GB/T 8176-1997 General rules for production safety in stamping workshops
Some standard content:
GB/T8176--1997
This standard is a revision of GB8716-87 "General Principles for Safety in Press Workshops". The main contents of this standard revision of GB8716 are as follows: the workshop illumination value of the original standard is relatively low. During this revision, the new version is coordinated with the relevant standards and necessary modifications are made to significantly increase the illumination value to be consistent with the relevant standards. Other relevant provisions have also been adjusted and modified as necessary.
This standard will be implemented from January 1, 1998, and will replace GB8176-87 from the date of entry into force. Appendix A of this standard is the standard appendix, and Appendix B is the reminder appendix. This standard was proposed by the Ministry of Machinery Industry and the Ministry of Labor of the People's Republic of China. This standard is under the jurisdiction of the National Technical Committee for Forging Standardization. Drafting unit of this standard: The Ninth Design Institute of the Ministry of Machinery Industry. The main drafter of this standard: Qi Libin.
1 Scope
National Standard of the People's Republic of China
General rules to safety production of pressing shop
GB/T 8176.-- 1997
Replaces GB 81768?
This standard specifies the general methods, requirements and criteria for safety production in metal stamping shops. In terms of personal protection, this standard also includes industrial hygiene content, and stipulates the production environment and conditions that meet labor hygiene and protect the health of workers. This standard applies to the design, construction, installation, acceptance and safety technology and management of new and old stamping shops of all enterprises (including foreign-funded enterprises or Sino-foreign joint ventures) during production. 2 Referenced standards
The following standards [see Appendix A (Appendix to the Standard)] contain provisions that constitute the provisions of this standard by reference in this standard. When this standard is published, the versions shown are valid. All standards are subject to revision, and parties using this standard should explore the possibility of using the latest versions of the standards listed in Appendix A.
3 Definitions
This standard adopts the following definitions.
3.1 Works, factory
A production unit that uses presses to punch or assemble stamped parts (components). The term "factory" in this standard has a specific meaning. It can refer to the general manager of an enterprise or the person in charge of a department in the enterprise. 3.2 Workshop, workshop
A component of a factory. The term "workshop" in this standard refers to a production unit that uses press machinery and must comply with this standard. It may be an independent factory (workshop) or a workshop (department or section). 3.3 Work flooring
The work location and the area around it, generally refers to the floor of the workshop. 3.4 Layout of manufacturing equipment The organization and arrangement of presses and other production and auxiliary equipment in the workshop according to the process flow and production area. 3.5 Position of work
The space occupied by the operator when working. 3.6 Instruments of position Instruments serving the position, such as racks, tables, boxes and trays for holding rough parts, workpieces or waste. 3.7 Operator Operator refers to a worker who operates a press and other production or auxiliary equipment, and generally refers to a production worker. 3.8 Helper refers to a worker who assists or helps an operator in his work. 3.9 Stamping worker Approved by the State Administration of Technical Supervision on June 27, 1997, 19980101 for implementation GB/T 8176--1997 A worker who operates a press (except a shearing machine) and completes the stamping process. 3.10 Shearing worker A worker who operates a shearing machine and completes the shearing process. 3.11 Operation danger zone: The area where the operator may be injured during work. This area refers to the area where the die (or shear blade) is installed and debugged on the press, and the parts are processed such as shearing, punching, forming or assembling the placed materials. 3.12 Die-setting work: The worker who installs and disassembles the die, tool and safety device on the press or shearing machine is responsible for the necessary adjustment (trim) during the installation process to make it work stably, correctly and safely. 3.13 Pinch point: The area between the moving parts of the press or auxiliary device, or between the moving parts and fixed parts of the press and auxiliary device, or between the material and the moving parts of the press or auxiliary device. At any point within this area, the human body or any part of the human body may be pinched or squeezed and injured. However, the nature of the injury is different from the operation danger zone. 3.14 Work plano: The actual or hypothetical plane where the main labor action is completed, generally 0.8m above the ground. 3.15 Die area
The place where dies, auxiliary tools and fixtures are stored and kept. 3.16 Raw material area The area where steel plates, profiles and other metal and non-metal materials are stored and kept. 3.17 Stamping area
The area where stamping finished products or products in process are stored and kept. 4 Working environment and conditions
4.1 General requirements
The factory should create and provide a good working environment for operators in terms of physiology and psychology, that is, the temperature, ventilation, illumination, vibration and noise of the workshop should meet the requirements of labor hygiene.
4.2 Temperature
4.2.1 The air temperature of the indoor workplace shall generally comply with the relevant provisions of GBJ36. 4.2.2 The winter air temperature of the indoor workplace shall meet the following requirements: a) light work* not less than 15°C;
b) medium work**) not less than 12°C;
c) workshops where light and medium work are mixed, not less than 15°C. 4.2.3 The summer air temperature of the indoor workplace shall generally not exceed 32°C. When it exceeds 32°C, the factory shall take effective cooling measures. When it exceeds 35°C, the factory shall have measures to ensure safety so that the press operator can continue to work. 4.3 Ventilation
4.3.1 The indoor workplace must have good air circulation and shall comply with the relevant provisions of GBJ19. 4.3.2 Tunnels where people often pass through shall have natural ventilation or mechanical ventilation facilities, and no harmful gas (including flammable gas) pipelines shall be laid in the tunnel.
4.3.3 When it is found that there are gases harmful to health in the foundation of the compressor, ventilation must be carried out before the operator (such as during maintenance) enters. 4.3.4 When there is smoke, dust and other polluted air in the workshop, an effective local exhaust device should be installed at the pollution source, and purification should be carried out if necessary. Light work refers to work with an average energy consumption of less than 3550kJ/person for 8h1 work: ×) Medium work refers to work with an average energy consumption of 3550~5500kJ/person for 8h working day. 5
Chemical treatment.
GB/T 8176--1997
For heating, cleaning and drying equipment, ventilation devices should be installed. The concentration of harmful substances in the workshop air shall not exceed the provisions of TJ36 standard. 4.4 Illumination
4.4.1 The workshop working space should have good illumination. The illumination value should be in accordance with the work with certain visual requirements specified in 4.2.1 to 4.2.3 of GB/T13379--92. The illumination range is 200-300-5001x. The illumination of the general working surface should not be lower than 1501x, and the illumination of the working point under the prepared working surface should not be lower than the value in Table 1.
Illumination in the stamping workshop
Working surface and working point
Working table of the shearing machine, horizontal illumination
Lower die on the press, horizontal illumination
Upper die on the press, vertical illumination
Control button of the press, vertical illumination
Start pedal of the press, horizontal illumination
Illumination on the floor of the warehouse inside the workshop
4.4.2 When natural light is used, direct sunlight is not allowed to illuminate the working space. The standard value of the daylight factor on the working surface shall be treated according to the daylighting grade III specified in Table 2.0.3 of GB50033-91. 4.4.3 When artificial lighting is used, it shall not interfere with the photoelectric protection device, and the stroboscopic effect shall be prevented. The standard value of the illumination on the working surface shall be treated according to the visual industry classification N grade B specified in Table 3.2.1 of GB50034-92. Except for safety lights and indicator lights, colored light sources should not be used for lighting. 4.4.4 In the case of insufficient indoor illumination, local lighting should be used. 4.4.4.1 The color tone of the local lighting source should be consistent with the overall light source. 4.4.4.2 The uniformity of local lighting: the maximum for the working point is 1:5, and the maximum for the working area is 1:3. 4.4.4.3 The brightness contrast of local lighting: the ratio of the stamping part (die working surface) to the bottom of the press is 3:1, the ratio of the press to the surrounding environment is 10:1, and the ratio of the light to the surrounding environment is 20:1. 4.4.5 The luminous bodies that are not related to lighting and illumination (such as arc welding, gas welding light and burning flame, etc.) shall not be connected or reflected into the field of vision of the press operator.
4.4.6 When it is necessary to work in the foundation of the press (such as maintenance, etc.), lighting devices should be installed. 4.4.7 The lighting device must be scrubbed and kept clean frequently. 4.5 Vibration and noise
4.5.1 The noise level of the workshop shall comply with the provisions of GBJ87. The vibration level of the workshop shall comply with the provisions of GB10434, GB/T13442 and JB/T6052.
4.5.2 The factory must take effective measures to reduce the vibration and noise of the workshop. 4.5.2.1 The noise value of the presses, shearing machines, etc. in the workshop during idling operation shall not exceed 85dB. 4.5.2.2 Strong vibration and noise generated during shearing or punching should be avoided. For example: use a press with a higher pressure, so that the punching force does not exceed 2/3 of the nominal pressure of the equipment, use a beveled die or install a vibration isolator, etc. 4.5.2.3 Take measures to reduce the source of noise and its propagation. For example: control the pressure and flow of compressed air purge; use sound-absorbing walls or soundproof panels to absorb noise and prevent it from spreading to the surroundings; use a vibration-reducing foundation to absorb vibration, and the design of the press foundation should comply with the relevant provisions of GBJ40: enclose the press that generates strong noise in a soundproof room or soundproof cover, etc. 4.5.3 Measures should be taken to transform workplaces where the noise level exceeds 90dB. Before the transformation, the factory should provide operators with earplugs (earmuffs) or other ear protection products. Earplugs should comply with the provisions of GB5893.1; earmuffs should comply with the requirements of GB5893.2. 4.6 Ergonomics
4.6.1 The structure and composition of the workstation should comply with the requirements of ergonomics and physiology, and the size requirements of the workspace should comply with the relevant provisions of (GB/T13547 and J13/Z308.
GB/T 8176-1997
4.6.2 The factory should allow the operator to sit or stand comfortably, or sit and stand alternately to operate beside the press, but the shearing machine operator is not allowed to sit while working.
When working while sitting, the factory should provide the operator with a work seat. 4.6.3 When working while sitting, the following requirements should generally be met: a) The work seat should be three-legged. The structure must be firm, and both feet can touch the ground when sitting down. The height of the seat is 400~430)mm. The height is adjustable and has a stopper. The seat should have a backrest, and the height of the backrest should also be adjustable, and should meet the relevant requirements of (B/T14774); b) There should be a foot space under the workbench of the press, with a height of not less than 600mm, a depth of not less than 100mm, and a width of not less than 500mm:
c) The height of the operating button of the press from the ground should be 700~! 000mm, if the operator is only 300mm away from the edge of the workbench, the button height can be 500mm;
d) The height of the work surface should be 700-750mm. When the height of the work surface exceeds this value and cannot be adjusted, a foot pedal should be used. The foot pedal should be adjustable in height. Its width should not be less than 300mm, its length should not be less than 400mm, its surface should be non-slip, and its front edge should have a 10mm high baffle.
4.6.4 When standing and working, the following requirements should be met: a) The operating button of the press should be 800-1500mm above the ground, and the farthest distance from the operator is 600mm: b) In order to facilitate the operator to get as close to the upper workbench as possible, the lower part of the press should have a foot space with a depth of not less than 150mm, a height of 150mm and a width of not less than 530mm;
c) The height of the upper work surface should be 930-980mm. 4.6.5 The height of the working table of the shearing machine should be 750~900mm. 4.6.6 The information display device and its installation position should comply with the provisions of JB/T5062. 4.7 Working floor
4.7.1 The working floor (including the passage) of each part of the workshop must be flat. And always keep it clean. The floor must be solid and able to bear the specified load. And it should comply with the load regulations of GBJ37
4.7.2 Obstacles not related to production are not allowed to be stored on the ground near the workstation, and butter, oil and water are not allowed to exist. The ground with frequent waves should not seep water and slope towards the drainage system. 4.7.3 The foundation of the large press should have a liquid reservoir to collect the liquid leaked from the pipeline. The reservoir can be specially made or connected to the bottom of the foundation to form a pit or trough. The bottom of the reservoir should have a certain slope to discharge waste liquid. 4.7.4 The working floor of the workshop must be non-slip. The cover of the press foundation or pit must be a patterned steel plate, or welded on a flat plate to prevent slip. 5 Plane layout
5.1--General requirements
5.1.1 In addition to meeting the process requirements, the plane layout of workshop process equipment shall also comply with the relevant safety, health and environmental protection standards. 5.1.2 The source of harmful substances should be located on the leeward side of mechanical ventilation or natural ventilation. The pickling room should be separated from the main plant by a distance. If it must be located in the main plant, it must be enclosed by a partition wall. The pickling room shall not be built in the main plant.
5.1.3 Equipment that generates strong noise (such as ventilation equipment and cleaning drums, etc.) should be placed away from the main production area if the noise cannot be reduced according to the requirements of 4.5.2.3. 5.1.4 When arranging the press, wide passages and sufficient discharge space should be left, and the placement of materials during operation should be considered. The equipment and work area must be unobstructed and convenient for storing materials, semi-finished products, finished products and waste. The equipment and work area must be suitable for the characteristics of the products, so that the operator's actions will not interfere with others.
5.1.5 The console (operating table) of the press and other process equipment is not allowed to cover the heavy parts of the machine and the work area. 5.1.6 In the delivery room where the crane is used, the layout of the press must make it easy for the operator and the crane engine to see each other. 7
GB/T 8176-1997
5.1.7 The process flow of the workshop should be smooth, and each department should be separated by a zone line. The zone line should be painted or inlaid on the workshop floor with white or yellow paint or other materials. The width of the zone line must be within the range of 5)~1()mm. The zone line can be continuous or intermittent. The inlaid material must not be higher than the ground level.
5.1.8 The workshop passage must be unobstructed, and the passage width should comply with the provisions of Table 2 (see Figure 1). No objects are allowed to be stored within 200mm of the edge of the passage. | |tt||Table 2 Shop Aisle Width
Aisle Name
Main Aisle of Shop
Aisle between Press Production Lines
Large Press"
Medium Press*")
Small Press"*）
Distance from Aisle Boundary to Factory Components
Distance from Aisle Boundary to Equipment
Aisle between Workshops (Sections)
Workshop Aisle
*）Large press refers to a press with a width of 8000 or more kN single point, 6300kV double point press. **) Medium press refers to 1600~~6300kN single point, 1600~4000kN double point press. **) Small press refers to 1000kN press. 24000--30000
Guodianxin
1--Large press; 2-Medium press; 3Small press Figure 1 Workshop channel and aisle
5.2 Arrangement of presses and press lines
5.2.1 Press For presses and other process equipment, the edge of the maximum working range shall be at least 800mm away from the walls, pillars and passageways of the building. This working range does not include workstations, molds, cabinets, racks and similar movable objects. 5.2.2 The plane projections of the press foundation and the foundation of the plant component or other buried components shall not overlap and shall maintain a distance of at least 200mm.
The arrangement spacing of large presses on the production line and the distance between the press and the plant component shall meet the requirements of Table 3 (see Figures 2 and 3). 5.2.3
However, when the press is equipped with a movable worktable, the arrangement spacing is not subject to this limit. 8
Press arrangement
Horizontal arrangement
Vertical arrangement
21000~30000
GB/T 8176—1997
Table 3 Arrangement spacing of large presses
1: Double-acting press 2. Single-action press; 3·Rough feeding mechanism: 4 Conveyor tree or other mechanism between processes
Figure 2 Schematic diagram of longitudinal arrangement of large presses
24000~30000
1·Double-action press 2·Single-action press; 3 Rough feeding mechanism; 4--Conveying mechanism between processes
Figure 3 Schematic diagram of horizontal arrangement of large presses
5.2.4 The arrangement spacing and distance from the factory components of medium-sized presses on the production line shall comply with the provisions of Table 4 (see Figures 4 to 6), but when the press is equipped with a movable workbench, its arrangement spacing shall not be limited by this. Table 4 Arrangement spacing of medium-sized presses
Press arrangement
Horizontal arrangement row
Vertical arrangement three rows
Horizontal arrangement four rows
1＊Double-action press; 2
GB/T 81761997
21000--30000
Single-action press; 3
24000 --30000
Bad feeding mechanism: 4
Conveying mechanism between processes
Schematic diagram of horizontal arrangement of medium-sized presses
21000～30000
1 Double-action press; 2 Single-action press; 3-Bad feeding mechanism; 4 Conveying mechanism between processes
Figure 5 Longitudinal arrangement of medium-sized presses
Closed single-point press: 2 Bad feeding mechanism; 3 Conveying mechanism between warehouses
Figure 6 Medium-sized presses are arranged in four rows horizontally
5.2.5 For small presses on the production line, the arrangement spacing and the distance between the room components should be arranged according to the requirements of Table 5 (see Figures 7 and 8). Table 5 Arrangement spacing of small presses
Press type
Parallel single-point press with automatic reverse feeding
(strip material)
Single-point
press without automatic feeding
material (strip material)
500～~2500
500--2500
Strip spacing
GB/T 8176-1997
1--Open single-point press with automatic feeding; 2--Parts box diagram? Schematic diagram of arrangement of small presses with automatic feeding 5.3 Mold library
1~Rough box; 2.3 Open single-point press: 4 Parts box-
Figure 8 Schematic diagram of arrangement of small presses without automatic feeding 5.3.1 All molds in the workshop (including punching dies and fixtures, the same below) should be stored neatly and orderly in the mold library (or fixed storage place, lower room). The molds must be cleaned before entering the warehouse, and lubrication and anti-rust grease should be added to the relevant working surfaces, movable or sliding parts. 5.3.2 The mold library should be managed by a dedicated manager. 5.3.2.1 When the total number of presses in the workshop is less than 10 and the total number of molds is less than 200 sets, the mold manager can serve concurrently; when the total number of presses is 10-30 and the total number of molds is 200-500 sets, each work shift should have a full-time manager; when the total number of presses exceeds 30 and the total number of molds exceeds 500 sets, each work shift should have two full-time managers. 5.3.2.2 The mold warehouse should have a mold management account, and the management personnel should promptly register the molds in and out of the warehouse. 5.3.2.3 When the management personnel find that the mold parts are damaged, they should mark the mold with obvious marks, and they shall not continue to be used for production, but shall be stored separately, and the relevant departments shall be notified for repair. 5.3.3 Various molds must be placed horizontally and stably, and shall not be stacked directly on the floor. 5.3.3.1 Large molds should be stacked on slats or pads, and each stack shall not exceed 3 layers. The stack height shall not exceed 2.3m. Slats or pads should be flat and solid, and deformation and cracking are not allowed after bearing. If any of the following conditions exist, multi-layer storage is not suitable: drawing molds;
die without guide pillars or guide blocks;
clamps;
frequently used die;
die that affects precision;
f) die without safety bolts or limiters, etc. There should be a 0.8m wide passage between the piles, and pedestrians are prohibited from crossing the piles. 5.3.3.2 Small dies should be stored on special mold frames. The mold frames should be made of metal, and the structure must be vertical and stable. The gap between the bottom plane of the mold frame should be 100mm. In the absence of lifting equipment, the top plane of the mold frame should not be higher than 1.7m. The mold frame and its various stalls should be numbered and clearly marked. Dies should be stored in the numbered seats. There should be a 0.8m wide passage between the mold channels
When using an elevated warehouse to store dies, the type of roller stacking crane, the operation method and the warehouse height should comply with the relevant provisions of JB2960.
5.3.3.3 Medium-sized dies should be stored according to the storage methods and requirements of large and small dies according to their volume and quality, and the depth should not exceed 2m.
GB/T8176—1997
5.3.3.4 Hoisting and transporting equipment shall be used to transport molds with a total mass exceeding 50kg. 5.4 Material warehouse
5.4.1 Materials (including coils and strips, the same below) shall be stored in the material warehouse according to their types and specifications. The effective load (t/m\) stored shall not exceed the value specified in the floor design.
The floor of the material warehouse must be flat and have a certain load capacity. When steel plates are stacked, they should be padded with fretwood or iron pads. Fretwood or iron pads must be flat and have sufficient strength. 5.4.2 The sheets entering the warehouse shall comply with the packaging regulations. However, this does not apply to sheets purchased in bulk. 5.4.3 Packaged sheets shall be stacked and stored. There shall be passages between stacks. When the stack height does not exceed 2m, the passage width shall be at least 0.8m; when the stack height exceeds 2m, the passage width shall be at least 1m. When using a crane and wire rope to lift the stack, the storage height should not exceed 2.3m. When using a stacking forklift to lift the stack, this limit does not apply.
For the same stack of sheet materials, pads should be placed between each package. If the package already contains pads, no pads are required. 5.4.4 For bulk sheet materials, pads should be placed every 100~~200mm. For sheet materials with a length of less than 2m: two pads are placed on each layer; for sheet materials with a length of between 2-~3m, three pads are placed on each layer; for sheet materials with a length of more than 3m, four pads are placed on each layer. The spacing between pads should be equal and support the steel plate evenly. The projection of the pads under the stack should overlap. The thickness of the pads should not be less than 50mm, and the length should be equal to the width of the sheet. The pads should be flat and strong, and should not deform or break when loaded. 5.4.5 The misalignment and tilt of the stacks of packaged and bulk sheet materials shall not exceed the following allowable ranges: when the stack height is less than 2m, the maximum is 1:25 along the length direction and 1:20 along the width direction; when the stack height exceeds 2m, the maximum is 1:30 along the length direction and 1:25 along the width direction. 5.4.6 It is better to store coils on slats. The centerline of the coil diameter should be parallel to the floor surface. 5.4.6.1 The coil diameter of each layer of steel coils in the same stack should be consistent and should be arranged parallel to the centerline of the coil diameter. To prevent the coils from rolling, special fixed angle braces should be provided in the warehouse, or special thrust blocks should be placed between the first two coils at the bottom of the stack. The thrust block should have a contact surface consistent with the outer diameter of the coil or make its cross section an isosceles triangle. The height should not be less than 1/4 of the coil diameter and the length should be equal to the width of the coil. The thrust block should be firm and flat. 5.4.6.2 When storing in multiple layers, the total height should not exceed 4m. In addition to placing thrust blocks at the first and last two rolls on the bottom layer, thrust blocks should be placed every 34 rolls.
The end face of the coil should be kept vertical to the ground, and its inclination should not exceed 1:20. 5.4.6.3 When storing a single coil, thrust blocks should be placed along the outer diameter on both sides of the coil. 5.4.6.4 When storing in multiple columns, there should be aisles between the columns. When the height of the coil stack is less than 2m, the width of the aisle should not be less than 0.8m; when the stack height exceeds 2m, the width of the aisle should not be less than 1m. 5.4.7 For the storage and storage of other metal or non-metal materials, refer to 5.4.1~5.4.6. When the number of materials is small, metal shelves should be used for storage.
5.4.8 Special motorized lifting and transportation equipment should be used for stacking and transportation of materials in the material warehouse. 5.5 Stamping parts warehouse
5.5.1 The air humidity in the stamping parts warehouse should not exceed 60%. 5.5.2 When using special boxes and racks to store stamping parts in multiple layers, standardized steel boxes and racks must be used. The boxes and racks must be structurally strong and not easily deformed. The boxes and racks should have special labels and indicate the box and rack number, box and rack quality, etc. Multiple layers of stacked boxes and racks should be stacked and transported by special lifting and transportation equipment. 5.5.3 When stamping parts or boxes are stored on special shelves (including high-bay automatic or semi-automatic warehouses), the length of stamping parts or boxes shall not exceed the depth of the shelves.
5.5.4 When stamping parts are stored in high-bay warehouses, the type of aisle stacking crane, the mode of operation and the height of the warehouse shall be selected according to the relevant regulations of JB2960.
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5.5.5 When stamping parts are stored without boxes or shelves, they should be stacked or placed upright on the floor planks according to the characteristics of the parts. The parts should not be permanently deformed during placement and storage. The sharp edges of the parts should not protrude toward the pedestrian passage. 5.5.6 The mass of stamping parts stored by various methods (including the mass of boxes) shall not exceed the floor allowable effective load (tm\) specified in the design.
5.5.7 Between stacks or box channels, there should be a 0.8m wide pedestrian passage; when a stacking forklift is driving in the warehouse, there should be at least a 2m wide passage.
6 Process and die design
6.1 General requirements
6.1.1 When the factory instructs the relevant personnel to carry out process or die design, it should also instruct the design reviewer to avoid the process (or step) or die structure that may endanger the operating parts.
6.1.2 Only those who meet one of the following conditions can serve as design reviewers. a) Graduates of stamping majors from higher and secondary specialized colleges and have more than two years of practical stamping work experience; b) Graduates of non-stamping majors from higher and secondary specialized colleges of engineering and have more than 10 years of practical stamping work experience; c) Those who have more than five years of experience in stamping process or die design; d) Those who have more than ten years of experience in stamping work; e) Those who have more than three years of experience in stamping work and have received special training in stamping technology. 6.1.3 When one person designs the process and the die, or when one person reviews the process and the die, both the designer and the reviewer shall have the skills of designing and reviewing the process and the die. 6.1.4 When designing the process and the die, the requirements of Chapter 4 and Chapter 7 of GB13887-92 shall be followed. 6.2 Process Design
6.2.1 The process designer shall correctly arrange the process for the parts to be stamped and reasonably select the stamping equipment. The designer must be very familiar with the technical parameters, performance and structure of the stamping equipment. 6.2.2 The process design shall be based on the actual situation and specific conditions. As far as possible, automatic stamping shall be considered, such as using various automatic feeding mechanisms, multi-station continuous stamping, sequential die stamping and automatic transmission between processes. When automatic stamping cannot be achieved or is inconvenient, various safety protection devices and measures shall be considered, including the use of hand tools. 6.2.3 When designing the process, composite processes should be used as much as possible, the number of processes should be limited to a minimum, and the workpiece positioning should be stable. It should be easy to load and unload materials, so that the operator has to perform fewer movements and the movements are less difficult. 6.2.4 Process designers should be familiar with various situations that often occur on the production site and properly arrange the work area. 6.2.5 When designing the process, the following factors that may cause harm and injury to the operator should be considered, and effective measures should be taken in the design to prevent them:
Raw materials or rough conditions;
Waste removal and processing methods;
Workpiece feeding or removal methods;
Whistling sound when blowing the workpiece;
Workpiece or finished product placement methods and equipment ;
vibration and noise generated during punching;
g) sharp edges and burrs of workpieces;
labor productivity (pieces/min or pieces/h); h)
workpiece transfer weight (t/h) and moving distance, etc., i
6.2.6 In addition to indicating the general process, the process documents (such as process documents or process cards) should also include relevant safety content, such as the key points of hourly production (or shift production), protective devices or measures adopted, etc. 6.3 Die design
GB/T 8176-1997
6.3.1 The die designer should correctly design the die in accordance with the requirements of the process documents and die design task book. 6.3.2 When designing the die, the requirements of 6.2 should be considered, and factors that may cause harm to the operator should be avoided and reduced in terms of die structure and strength.
6.3.2.1 Parts in the die that move relatively (such as the press plate, spring, cylinder piston, scrap cutter, hook claw, etc.) should be equipped with protective devices when there is no protective cover on the press (or it is inconvenient to use the protective cover). 6.3.2.2 When manually cutting and unloading, the upper and lower parts of the die should be provided with free hand slots or free hand holes as much as possible. 6.3.2.3 The moving parts in the die, such as the press ring, punch plate, wedge slider, etc., should be equipped with travel limit arms to prevent them from popping out or being carried out by other parts during operation.
6.3.2.4 Each part of the die should have safety measures to prevent loosening and falling off. 6.3.2.5 The lower die of the die should ensure a good field of vision during operation, and there should be no protrusions blocking the lower die working surface and parts. 6.3.2.6 Dies with a mass exceeding 10kg should be equipped with appropriate lifting holes, lifting rings (hooks) or lifting ears. When the upper and lower dies need to be combined into one, there should be a connecting piece.
6.3.2.7 The quality should be marked on the overall drawing of the die: including the upper die quality, the lower die quality and the total quality. 6.3.3 When designing the die, the working surface height should be considered. The die surface height of the lower die installed on the press should comply with the provisions of 4.6.3d) and 4.6.1℃).
6.4 Design review and countersignature
6.4.1 The process design and die design must be reviewed and, if necessary, submitted to the factory or the vehicle safety and technical department for countersignature. There should be a column for review and safety countersignature in the process and die design documents. 6.4.2 The process and die design documents that have not been countersigned for safety shall not be constructed or put into production. 6.4.3 If any violation of safety is found in the process of implementation of the process and die design documents, the implementation shall be stopped immediately and the competent department shall modify it in a timely manner. The modified process and die design documents shall be reviewed in accordance with the provisions of 6.4,1. 7 Equipment, dies, mechanized devices and safety devices 7.1 General requirements
7.1.1 The production equipment, dies and mechanized devices (including automated devices, the same below) used in the factory must match and coordinate with each other, should be organically integrated in the production process, and must not constitute dangerous or unsafe factors. 7.1.2 When selecting production equipment, dies and mechanized devices, safety must be considered first, and they must comply with the provisions of Chapter 5 and Chapter 6 of GB13887--92.
7.2 Equipment
7.2.1 The presses used in the factory must comply with the provisions of GB5083, JB3350.JB3915 and JB4203, among which the relevant electrical equipment shall comply with the provisions of GB4064. There should also be a complete equipment manual. The noise limit of the press shall comply with the provisions of Z13J62006.1~J62006.11.
7.2.2 The installation and acceptance of the press must comply with the regulations of TJ231 (III)-78, Part 1 Mechanical Press Installation, Part 3 Hydraulic Press Installation.
7.2.3 It is prohibited to design, manufacture, purchase and install unsafe arm and unsafe press. 7.2.4 Shearing machines with a shearing length of more than 2500mm (including 2500mm) and sheet metal bending presses with a worktable width of more than 2500mm (including 2500mm) should be equipped with an emergency switch device on each column 1. 7.2.5 Shearing machines should be equipped with a protective fence in front of the press. The protective fence should comply with the provisions of GB6077. 7.2.6 Each shearing position of the combined punching and shearing machine shall be equipped with a protective cover or fence. The protective device shall comply with the provisions of Appendix A and Appendix B of ZBJ62 (22-89).
7.2.7 The movable part of the crocodile shearing machine must be equipped with a protective cover. 7.2.8 The design and manufacture of the press shall comply with the requirements of 4.6. 7.2.9 The press equipped with various protective covers or fences shall be able to prevent the human body or part of the human body from entering the danger zone. The protective cover shall comply with 11 When the factory instructs the relevant personnel to design the process or die, it should also instruct the design reviewer to avoid the process (or step) or die structure that may endanger the operating parts.
6.1.2 Only those who meet one of the following conditions can serve as design reviewers. a) Graduates of stamping majors from higher and secondary specialized colleges with more than two years of practical stamping work experience; b) Graduates of non-stamping majors from higher and secondary specialized colleges of engineering with more than 10 years of practical stamping work experience; c) Those who have more than five years of experience in stamping process or die design; d) Those who have more than ten years of experience in stamping work; e) Those who have more than three years of experience in stamping work and have received special training in stamping technology. 6.1.3 When one person designs the process and die or one person reviews the process and die design, both the design and review candidates should have the skills of process and die design and review. 6.1.4 When designing the process and die, the requirements of Chapter 4 and Chapter 7 of GB13887-92 should be followed. 6.2 Process Design
6.2.1 The process designer should correctly arrange the process for the stamped parts and reasonably select the stamping equipment. The designer must be very familiar with the technical parameters, performance and structure of the stamping equipment. 6.2.2 The process design should be based on the actual situation and specific conditions. As much as possible, automatic stamping should be considered, such as the use of various automatic feeding mechanisms, multi-station continuous stamping, sequential die stamping and automatic transmission between processes. When automatic stamping cannot be achieved or is inconvenient, various safety protection devices and measures should be considered, including the use of hand tools. 6.2.3 When designing the process, composite processes should be used as much as possible to limit the number of processes to a minimum, and the workpiece positioning should be stable. It is convenient for loading and unloading, so that the operator has fewer movements and less difficulty in movement. 6.2.4 The process designers should be familiar with various situations that often occur on the production site and arrange the work area properly. 6.2.5 When designing the process, the following factors that may cause harm and injury to the operator should be considered, and effective measures should be taken to prevent them in the design:
Raw materials or rough conditions;
Waste removal and treatment methods;
Workpiece feeding or removal methods;
Whistling sound when blowing the workpiece;
Workpiece or finished product placement methods and equipment ;
vibration and noise generated during punching;
g) sharp edges and burrs of workpieces;
labor productivity (pieces/min or pieces/h); h)
workpiece transfer weight (t/h) and moving distance, etc., i
6.2.6 In addition to indicating the general process, the process documents (such as process documents or process cards) should also include relevant safety content, such as the key points of hourly production (or shift production), protective devices or measures adopted, etc. 6.3 Die design
GB/T 8176-1997
6.3.1 The die designer should correctly design the die in accordance with the requirements of the process documents and die design task book. 6.3.2 When designing the die, the requirements of 6.2 should be considered, and factors that may cause harm to the operator should be avoided and reduced in terms of die structure and strength.
6.3.2.1 Parts in the die that move relatively (such as the press plate, spring, cylinder piston, scrap cutter, hook claw, etc.) should be equipped with protective devices when there is no protective cover on the press (or it is inconvenient to use the protective cover). 6.3.2.2 When manually cutting and unloading, the upper and lower parts of the die should be provided with free hand slots or free hand holes as much as possible. 6.3.2.3 The moving parts in the die, such as the press ring, punch plate, wedge slider, etc., should be equipped with travel limit arms to prevent them from popping out or being carried out by other parts during operation.
6.3.2.4 Each part of the die should have safety measures to prevent loosening and falling off. 6.3.2.5 The lower die of the die should ensure a good field of vision during operation, and there should be no protrusions blocking the lower die working surface and parts. 6.3.2.6 Dies with a mass exceeding 10kg should be equipped with appropriate lifting holes, lifting rings (hooks) or lifting ears. When the upper and lower dies need to be combined into one, there should be a connecting piece.
6.3.2.7 The quality should be marked on the overall drawing of the die: including the upper die quality, the lower die quality and the total quality. 6.3.3 When designing the die, the working surface height should be considered. The die surface height of the lower die installed on the press should comply with the provisions of 4.6.3d) and 4.6.1℃).
6.4 Design review and countersignature
6.4.1 The process design and die design must be reviewed and, if necessary, submitted to the factory or the vehicle safety and technical department for countersignature. There should be a column for review and safety countersignature in the process and die design documents. 6.4.2 The process and die design documents that have not been countersigned for safety shall not be constructed or put into production. 6.4.3 If any violation of safety is found in the process of implementation of the process and die design documents, the implementation shall be stopped immediately and the competent department shall modify it in a timely manner. The modified process and die design documents shall be reviewed in accordance with the provisions of 6.4,1. 7 Equipment, dies, mechanized devices and safety devices 7.1 General requirements
7.1.1 The production equipment, dies and mechanized devices (including automated devices, the same below) used in the factory must match and coordinate with each other, should be organically integrated in the production process, and must not constitute dangerous or unsafe factors. 7.1.2 When selecting production equipment, dies and mechanized devices, safety must be considered first, and they must comply with the provisions of Chapter 5 and Chapter 6 of GB13887--92.
7.2 Equipment
7.2.1 The presses used in the factory must comply with the provisions of GB5083, JB3350.JB3915 and JB4203, among which the relevant electrical equipment shall comply with the provisions of GB4064. There should also be a complete equipment manual. The noise limit of the press shall comply with the provisions of Z13J62006.1~J62006.11.
7.2.2 The installation and acceptance of the press must comply with the regulations of TJ231 (III)-78, Part 1 Mechanical Press Installation, Part 3 Hydraulic Press Installation.
7.2.3 It is prohibited to design, manufacture, purchase and install unsafe arm and unsafe press. 7.2.4 Shearing machines with a shearing length of more than 2500mm (including 2500mm) and sheet metal bending presses with a worktable width of more than 2500mm (including 2500mm) should be equipped with an emergency switch device on each column 1. 7.2.5 Shearing machines should be equipped with a protective fence in front of the press. The protective fence should comply with the provisions of GB6077. 7.2.6 Each shearing position of the combined punching and shearing machine shall be equipped with a protective cover or fence. The protective device shall comply with the provisions of Appendix A and Appendix B of ZBJ62 (22-89).
7.2.7 The movable part of the crocodile shearing machine must be equipped with a protective cover. 7.2.8 The design and manufacture of the press shall comply with the requirements of 4.6. 7.2.9 The press equipped with various protective covers or fences shall be able to prevent the human body or part of the human body from entering the danger zone. The protective cover shall comply with 11 When the factory instructs the relevant personnel to design the process or die, it should also instruct the design reviewer to avoid the process (or step) or die structure that may endanger the operating parts.
6.1.2 Only those who meet one of the following conditions can serve as design reviewers. a) Graduates of stamping majors from higher and secondary specialized colleges with more than two years of practical stamping work experience; b) Graduates of non-stamping majors from higher and secondary specialized colleges of engineering with more than 10 years of practical stamping work experience; c) Those who have more than five years of experience in stamping process or die design; d) Those who have more than ten years of experience in stamping work; e) Those who have more than three years of experience in stamping work and have received special training in stamping technology. 6.1.3 When one person designs the process and die or one person reviews the process and die design, both the design and review candidates should have the skills of process and die design and review. 6.1.4 When designing the process and die, the requirements of Chapter 4 and Chapter 7 of GB13887-92 should be followed. 6.2 Process Design
6.2.1 The process designer should correctly arrange the process for the stamped parts and reasonably select the stamping equipment. The designer must be very familiar with the technical parameters, performance and structure of the stamping equipment. 6.2.2 The process design should be based on the actual situation and specific conditions. As much as possible, automatic stamping should be considered, such as the use of various automatic feeding mechanisms, multi-station continuous stamping, sequential die stamping and automatic transmission between processes. When automatic stamping cannot be achieved or is inconvenient, various safety protection devices and measures should be considered, including the use of hand tools. 6.2.3 When designing the process, composite processes should be used as much as possible to limit the number of processes to a minimum, and the workpiece positioning should be stable. It is convenient for loading and unloading, so that the operator has fewer movements and less difficulty in movement. 6.2.4 The process designers should be familiar with various situations that often occur on the production site and arrange the work area properly. 6.2.5 When designing the process, the following factors that may cause harm and injury to the operator should be considered, and effective measures should be taken to prevent them in the design:
Raw materials or rough conditions;
Waste removal and treatment methods;
Workpiece feeding or removal methods;
Whistling sound when blowing the workpiece;
Workpiece or finished product placement methods and equipment ;
vibration and noise generated during punching;
g) sharp edges and burrs of workpieces;
labor productivity (pieces/min or pieces/h); h)
workpiece transfer weight (t/h) and moving distance, etc., i
6.2.6 In addition to indicating the general process, the process documents (such as process documents or process cards) should also include relevant safety content, such as the key points of hourly production (or shift production), protective devices or measures adopted, etc. 6.3 Die design
GB/T 8176-1997
6.3.1 The die designer should correctly design the die in accordance with the requirements of the process documents and die design task book. 6.3.2 When designing the die, the requirements of 6.2 should be considered, and factors that may cause harm to the operator should be avoided and reduced in terms of die structure and strength.
6.3.2.1 Parts in the die that move relatively (such as the press plate, spring, cylinder piston, scrap cutter, hook claw, etc.) should be equipped with protective devices when there is no protective cover on the press (or it is inconvenient to use the protective cover). 6.3.2.2 When manually cutting and unloading, the upper and lower parts of the die should be provided with free hand slots or free hand holes as much as possible. 6.3.2.3 The moving parts in the die, such as the press ring, punch plate, wedge slider, etc., should be equipped with travel limit arms to prevent them from popping out or being carried out by other parts during operation.
6.3.2.4 Each part of the die should have safety measures to prevent loosening and falling off. 6.3.2.5 The lower die of the die should ensure a good field of vision during operation, and there should be no protrusions blocking the lower die working surface and parts. 6.3.2.6 Dies with a mass exceeding 10kg should be equipped with appropriate lifting holes, lifting rings (hooks) or lifting ears. When the upper and lower dies need to be combined into one, there should be a connecting piece.
6.3.2.7 The quality should be marked on the overall drawing of the die: including the upper die quality, the lower die quality and the total quality. 6.3.3 When designing the die, the working surface height should be considered. The die surface height of the lower die installed on the press should comply with the provisions of 4.6.3d) and 4.6.1℃).
6.4 Design review and countersignature
6.4.1 The process design and die design must be reviewed and, if necessary, submitted to the factory or the vehicle safety and technical department for countersignature. There should be a column for review and safety countersignature in the process and die design documents. 6.4.2 The process and die design documents that have not been countersigned for safety shall not be constructed or put into production. 6.4.3 If any violation of safety is found in the process of implementation of the process and die design documents, the implementation shall be stopped immediately and the competent department shall modify it in a timely manner. The modified process and die design documents shall be reviewed in accordance with the provisions of 6.4,1. 7 Equipment, dies, mechanized devices and safety devices 7.1 General requirements
7.1.1 The production equipment, dies and mechanized devices (including automated devices, the same below) used in the factory must match and coordinate with each other, should be organically integrated in the production process, and must not constitute dangerous or unsafe factors. 7.1.2 When selecting production equipment, dies and mechanized devices, safety must be considered first, and they must comply with the provisions of Chapter 5 and Chapter 6 of GB13887--92.
7.2 Equipment
7.2.1 The presses used in the factory must comply with the provisions of GB5083, JB3350.JB3915 and JB4203, among which the relevant electrical equipment shall comply with the provisions of GB4064. There should also be a complete equipment manual. The noise limit of the press shall comply with the provisions of Z13J62006.1~J62006.11.
7.2.2 The installation and acceptance of the press must comply with the regulations of TJ231 (III)-78, Part 1 Mechanical Press Installation, Part 3 Hydraulic Press Installation.
7.2.3 It is prohibited to design, manufacture, purchase and install unsafe arm and unsafe press. 7.2.4 Shearing machines with a shearing length of more than 2500mm (including 2500mm) and sheet metal bending presses with a worktable width of more than 2500mm (including 2500mm) should be equipped with an emergency switch device on each column 1. 7.2.5 Shearing machines should be equipped with a protective fence in front of the press. The protective fence should comply with the provisions of GB6077. 7.2.6 Each shearing position of the combined punching and shearing machine shall be equipped with a protective cover or fence. The protective device shall comply with the provisions of Appendix A and Appendix B of ZBJ62 (22-89).
7.2.7 The movable part of the crocodile shearing machine must be equipped with a protective cover. 7.2.8 The design and manufacture of the press shall comply with the requirements of 4.6. 7.2.9 The press equipped with various protective covers or fences shall be able to prevent the human body or part of the human body from entering the danger zone. The protective cover shall comply with 15 When designing the process, the following factors that may cause harm and injury to the operator should be considered, and effective measures should be taken to prevent them in the design:
Raw materials or rough conditions;
Waste removal and treatment methods;
Workpiece feeding or removal methods;
Whistling sound when blowing workpieces;
Workpiece or finished product placement methods and equipment;
Vibration and noise generated during punching;
g) Workpiece sharp edges and burrs;
Labor productivity (pieces/min or pieces/h); h)
Workpiece transfer mass (t/h) and moving distance, etc.
6.2.6 In addition to indicating the general process, the process documents (such as process documents or process cards) should also include relevant safety content, such as the key points of hourly production (or shift production), and the protective devices or measures adopted. 6.3 Die Design
GB/T 8176-1997
6.3.1 The die designer shall correctly design the die in accordance with the requirements of the process documents and die design task book. 6.3.2 When designing the die, the requirements of 6.2 shall be considered, and factors that may cause harm to the operator shall be avoided and reduced in terms of die structure and strength.
6.3.2.1 When there is no protective cover on the press (or it is inconvenient to use the protective cover), protective devices shall be installed for the relatively moving parts in the die (such as the pressure plate, spring, cylinder piston, waste cutting knife, hook claw, etc.). 6.3.2.2 When manually cutting and unloading, hand slots or hand holes shall be opened as much as possible at the upper and lower parts of the die. 6.3.2.3 The moving parts in the die, such as the pressure ring, the punching plate, the wedge slider, etc., shall be equipped with travel limit arms to prevent them from popping out or being carried out by other parts during operation.
6.3.2.4 Each part of the die should have safety measures to prevent loosening and falling off. 6.3.2.5 The lower die of the die should ensure a good field of vision during operation, and there should be no protrusions blocking the lower die T working surface and T parts. 6.3.2.6 Dies with a mass exceeding 10kg should be equipped with appropriate lifting holes, lifting rings (hooks) or lifting ears. When the upper and lower dies need to be combined into one, there should be connecting parts.
6.3.2.7 The mass should be marked on the general drawing of the die: including the mass of the upper die, the mass of the lower die and the total mass. 6.3.3 When designing the die, the working surface height should be considered. The height of the lower die surface installed on the press should comply with the provisions of 4.6.3d) and 4.6.1℃).
6.4 Design review and countersignature
6.4.1 The process design and die design must be reviewed and, if necessary, submitted to the factory or the vehicle safety and technical department for countersignature. The process and die design documents should have a review and safety sign-off column. 6.4.2 The process and die design documents that have not been signed for safety shall not be constructed or put into production. 6.4.3 If any violation of safety is found in the process of implementation of the process and die design documents, the implementation shall be stopped immediately and the competent department shall promptly revise it. The revised process and die design documents shall be reviewed in accordance with the provisions of 6.4, 1. 7 Equipment, dies, mechanized devices and safety devices 7.1 General requirements
7.1.1 The production equipment, dies and mechanized devices (including automation devices, the same below) used in the factory must match and coordinate with each other, and should be organically integrated in the production process, and shall not constitute dangerous or unsafe factors. 7.1.2 When selecting production equipment, dies and mechanized devices, safety must be considered first, and they should comply with the provisions of Chapter 5 and Chapter 6 of GB13887--92.
7.2 Equipment
7.2.1 The presses used in the factory must comply with the provisions of GB5083, JB3350, JB3915 and JB4203, among which the relevant electrical equipment shall comply with the provisions of GB4064. There shall also be a complete equipment manual. The noise limit of the press shall comply with the provisions of Z13J62006.1~J62006.11.
7.2.2 The installation and acceptance of the press must comply with the regulations of TJ231 (III)-78, Part 1 Mechanical Press Installation, Part 3 Hydraulic Press Installation.
7.2.3 It is prohibited to design, manufacture, purchase and install unsafe arm and unsafe presses. 7.2.4 For shearing machines with a shearing length of 2500mm or more (including 2500mm) and sheet metal bending presses with a workbench width of 2500mm or more (including 2500mm), an emergency switch device should be installed on each column 1. 7.2.5 Shearing machines should be equipped with protective fences in front of the press. The protective fences should comply with the provisions of GB6077. 7.2.6 Each shearing position of the combined punching and shearing machine should be equipped with a protective cover or fence, and the protective device should comply with the provisions of Appendix A and Appendix B of ZBJ62 (22-89).
7.2.7 The movable part of the crocodile shearing machine must be equipped with a protective cover. 7.2.8 The design and manufacture of the press should comply with the requirements of 4.6. 7.2.9 Presses equipped with various protective covers or fences must be able to prevent the human body or parts of the human body from entering the danger zone. The protective cover should comply with 15 When designing the process, the following factors that may cause harm and injury to the operator should be considered, and effective measures should be taken to prevent them in the design:
Raw materials or rough conditions;
Waste removal and treatment methods;
Workpiece feeding or removal methods;
Whistling sound when blowing workpieces;
Workpiece or finished product placement methods and equipment;
Vibration and noise generated during punching;
g) Workpiece sharp edges and burrs;
Labor productivity (pieces/min or pieces/h); h) bZxz.net
Workpiece transfer mass (t/h) and moving distance, etc.
6.2.6 In addition to indicating the general process, the process documents (such as process documents or process cards) should also include relevant safety content, such as the key points of hourly production (or shift production), and the protective devices or measures adopted. 6.3 Die Design
GB/T 8176-1997
6.3.1 The die designer shall correctly design the die in accordance with the requirements of the process documents and die design task book. 6.3.2 When designing the die, the requirements of 6.2 shall be considered, and factors that may cause harm to the operator shall be avoided and reduced in terms of die structure and strength.
6.3.2.1 When there is no protective cover on the press (or it is inconvenient to use the protective cover), protective devices shall be installed for the relatively moving parts in the die (such as the pressure plate, spring, cylinder piston, waste cutting knife, hook claw, etc.). 6.3.2.2 When manually cutting and unloading, hand slots or hand holes shall be opened as much as possible at the upper and lower parts of the die. 6.3.2.3 The moving parts in the die, such as the pressure ring, the punching plate, the wedge slider, etc., shall be equipped with travel limit arms to prevent them from popping out or being carried out by other parts during operation.
6.3.2.4 Each part of the die should have safety measures to prevent loosening and falling off. 6.3.2.5 The lower die of the die should ensure a good field of vision during operation, and there should be no protrusions blocking the lower die T working surface and T parts. 6.3.2.6 Dies with a mass exceeding 10kg should be equipped with appropriate lifting holes, lifting rings (hooks) or lifting ears. When the upper and lower dies need to be combined into one, there should be connecting parts.
6.3.2.7 The mass should be marked on the general drawing of the die: including the mass of the upper die, the mass of the lower die and the total mass. 6.3.3 When designing the die, the working surface height should be considered. The height of the lower die surface installed on the press should comply with the provisions of 4.6.3d) and 4.6.1℃).
6.4 Design review and countersignature
6.4.1 The process design and die design must be reviewed and, if necessary, submitted to the factory or the vehicle safety and technical department for countersignature. The process and die design documents should have a review and safety sign-off column. 6.4.2 The process and die design documents that have not been signed for safety shall not be constructed or put into production. 6.4.3 If any violation of safety is found in the process of implementation of the process and die design documents, the implementation shall be stopped immediately and the competent department shall promptly revise it. The revised process and die design documents shall be reviewed in accordance with the provisions of 6.4, 1. 7 Equipment, dies, mechanized devices and safety devices 7.1 General requirements
7.1.1 The production equipment, dies and mechanized devices (including automation devices, the same below) used in the factory must match and coordinate with each other, and should be organically integrated in the production process, and shall not constitute dangerous or unsafe factors. 7.1.2 When selecting production equipment, dies and mechanized devices, safety must be considered first, and they should comply with the provisions of Chapter 5 and Chapter 6 of GB13887--92.
7.2 Equipment
7.2.1 The presses used in the factory must comply with the pr
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