JB 10139-1999 Technical conditions for safety protection of gear hobbing machines
Some standard content:
ICS 25.080.99
J56
JB
Machinery Industry Standard of the People's Republic of China
JB.10139-1999
Gear hobbing machine
1999- Released on 10-08
Technical Conditions for Safety Protection
Implemented on 2000-03-01
National Machinery Industry Bureau
Released
JB 10139-1999|| tt | Complement and concretize. The standards supporting this standard are:
GB/T 8064—1998
GB/T10173—1988
JB/T6344—1992
JB/T 6344.11999| |tt||Gear hobbing machine accuracy inspection
Gear hobbing machine parameters
Gear hobbing machine technical conditions
Gear hobbing machine series type spectrum
This standard is proposed by the National Metal Cutting Machine Tool Standardization Technical Committee. This standard is under the jurisdiction of the Cylindrical Gear Machine Tool Branch and the Instrument Machine Tool Branch of the National Metal Cutting Machine Tool Standardization Technical Committee. This standard was drafted by: Chongqing Cylindrical Gear Machine Tool Research Institute, Chengdu Instrument Machine Tool Research Institute, Nanjing Second Machine Tool Factory, Shaanxi Second Machine Tool Factory, Qingdao Machine Tool Factory, Yangtze River Machine Tool Factory, Beijing Warner Gear Co., Ltd., and Wuhan Shenlong Automobile Co., Ltd. The main drafters of this standard: Zhang Yuqing, Wang Jian, Zhan Jianping, Qu Haishun, Yu Hongli, Wang Jingyang, Zhu Wangquan, Meng Zhaozhi, Yu Xianxiang. | |tt | measures and assessments. JB 101391999
This standard applies to vertical gear hobbing machines with a maximum T. piece diameter greater than or equal to 125mm and less than 2000mm. 2 Reference standards
The provisions contained in the following standards are constituted by reference in this standard are the provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties using this standard should explore the possibility of using the latest version of the standard listed below. GB 28931982
GB 2894—1996
GB/T 3167—1993
GB/T 31681993
GB 4053.3—1993
GB 4053.4—1983| |tt||GB/T 5226.1—1996
GB/T 6527.21986
GB/T 6576—1986
GB 8196—1987
GB 8197—1987|| tt||GB 12265.1—1997
GB 12265.3—1997
GB/T 15706.1—1995
GB/T 15706.2—1995
GB 15760-1995|| tt||GB/T 16769-1997
GB/T 17161—1997
JB/T 6344—I992
JB/T 8356.1—1996
JB/T 8360.21996
JB/T 98751999
JB/T10051—1999
Safety color
Safety sign
Metal cutting machine tool operating instructions visual symbols digital control machine tools Operating Instructions Visual Symbols Fixed Industrial Protective Railings Safety Technical Conditions Fixed Industrial Steel Platform
Industrial Machinery and Electrical Equipment Part One: General Technical Conditions Safety Color Usage Guidelines
Machine Tool Lubrication System||tt| |Safety requirements for protective covers of mechanical equipment
Safety requirements for protective screens
Mechanical safety The safe distance to prevent upper limbs from touching the danger zone Mechanical safety The minimum distance to avoid extrusion of various parts of the human body Mechanical safety Basic concepts and design general principles Part 1: Basic terminology, methodology, basic concepts of mechanical safety and general design principles Part 2: Technical principles and specifications General technical conditions for safety protection of metal cutting machine tools Metal cutting machine tool noise and sound pressure level measurement method Operating direction of machine tool control device ||tt| |Gear hobbing machine technical conditions
Machine tool packaging technical conditions
CNC hobbing machine technical conditions
Preparation of random technical documents for metal cutting machine tools Metal cutting machine tools
General technical conditions for hydraulic systems| |tt||National Machinery Industry Bureau approved 2000-03-01 implementation on 1999-10-08
3 Danger of machine tools
3.1 Danger of machinery
JB10139—1999||tt| |3.1.1 Sharp edges, sharp corners, protruding parts and openings in the exposed parts of the machine tool may cause personal injury hazards. 3.1.2 Rotating parts such as flywheels of machine tools may become loose, thrown out or entangled during movement. 3.1.3
Dangers that may arise if people or other objects enter the work area without taking protective measures or protective interlocking devices. 3.1.4
Overload hobbing may cause damage to the machine tool. 3.1.5 Possible dangers caused by machine tool control system failure or damage. 3.1.6
When the power is accidentally interrupted, the inertia of the machine may cause the risk of damage to the tool and the workpiece. 3.1.7
Possible dangers caused by coolant splashing and chip flying. 3.1.8 The reciprocating movement of components such as
, tool rest slide plate, tangential slide seat, etc. may exceed the working area and cause danger. 3.1.9 Column guide rails, slide guide rails, bed guide rails, workbench guide rails, etc. that do not have protective devices may cause damage to the machine tool. 3.1.10 The lack of interlocking devices for skateboarding, T. table feeding or exiting, axis speed conversion, outer bracket up and down conversion, etc. may cause damage to the machine tool.
3.1.11 The danger caused by the failure of the motorized clamping device to clamp the knife and the T-piece. 3.2 Dangers of electrical systems
3.2.1 Dangers caused by non-compliance with power supply regulations 3.2.1.1 Dangers caused by electrical systems that do not comply with power supply regulations. 3.2.1.2 Danger caused by machine tool power supply wiring type that does not meet the regulations. 3.2.1.3 Cut off (isolate) the machine tool power supply and shut down the danger caused by non-compliance with the regulations. 3.2.2 Risk of electric shock
3.2.2.1 Improper shielding of live objects may lead to risk of electric shock. 3.2.2.2 Poor grounding of live equipment may lead to the risk of indirect electric shock. 3.2.2.3 Poor insulation of live parts may cause the risk of electric shock. 3.2.3 Dangers caused by improper protection of electrical equipment 3.2.3.1 The current in electrical equipment exceeding the rated value may cause damage to the electrical equipment. 3.2.3.2 Overloading the motor may cause damage to it. 3.2.3.3 Possible dangers caused by malfunction of electrical equipment caused by power interruption or voltage drop. 3.2.4 Hazards caused by emergency
3.2.5 Hazards caused by buttons, indicator lights and other control devices that do not meet the design requirements and improper selection of wires. 3.2.6 Hazards caused by lighting devices that do not comply with design requirements. 3.3 Dangers of hydraulic and lubrication systems
3.3.1 Dangers caused by failure of hydraulic systems to meet design requirements. 3.3.2 Danger caused by overpressure or malfunction of hydraulic components caused by hydraulic system failure. 3.3.3 Improper lubrication of machine tools may cause damage to machine tools. 3.4 Danger of noise
Danger of hearing loss and physical and mental illness caused by noise that does not meet the regulations. 3.5 Hazards caused by materials and substances
2
JB10139-1999
3.5.1 Possible dangers caused by improper selection of materials for the main parts of machine tools or use that does not meet design requirements 3.5.2 Machine tools 1. Danger caused by large amounts of oil produced during operation. 3.6 The dangers caused by ignoring ergonomics principles when designing machine tools. 3.6.1 The improper height of the machine tool operating handle from the ground affects the operation. 3.6.2 The operating force of the machine tool operating handwheel and handle is too large, which affects the health of the operator. 3.6.3 Improper installation of the reading mechanism of the measuring device affects the health of the operator. 3.6.4 Danger caused by stroboscopic effect, disturbing glare and shadow area caused by improper lighting of machine tools, which may cause operator misoperation. 3.6.5 Danger caused by confusing control direction of machine tool control device. 3.7 Hazards caused by improper safety protection measures 3.7.1 Maximum T.The danger caused by improper safety protection measures for gear hobbing machines with a diameter greater than 800mm. 3.7.2 Danger caused by improper design of safety protection devices. 3.8 Possible dangers caused by failure to provide necessary usage information. 3.9 Danger caused by improper packaging, storage and transportation of machine tools. 4 Safety requirements and measures
4.1 - General requirements
4.1.1 All potential risk factors of the machine tool should be eliminated or reduced as much as possible through design. Generally, it can be in accordance with GB/T15706.1-1995. Chapter 5 and the provisions of Chapter 3 in GB/T15706.21995. 4.1.2 For risks that cannot be eliminated, necessary safety protection measures should be taken or safety protection devices should be installed as much as possible. 4.1.3 For certain hazards that are inconvenient to protect, usage information should be given in the instruction manual, and warning signs should be set near the dangerous parts if necessary.
4.2 Machinery safety requirements and measures
4.2.1 The exposed parts of the machine tool that may be touched should be as flat and smooth as possible, and there should be no sharp edges, sharp corners, protruding parts and Open your mouth.
4.2.2 For parts that may come loose during movement, measures should be taken to prevent them from loosening. Exposed rotating parts such as gears, flywheels, pulleys, etc. should be equipped with protective covers, and the inner surface of the protective cover should be painted with orange paint. The protective cover should comply with the regulations of GB8196. 4.2.3 Moving parts and transmission devices of machine tools that may cause danger should generally be sealed. If sealing is difficult, safety anti-expansion devices should be installed, or safety colors warning of danger or safety warning signs should be installed near dangerous parts of the machine tool. , or directly paint safety colors on the surface of hazardous parts. Warning signs should comply with the provisions of GB2894, and safety colors should comply with the provisions of 2.5 in GB2893-1982 and 2.6 in GB/T6527.21986.
4.2.4 Moving parts that may be damaged due to overload should generally be equipped with overload safety devices. If overloading cannot be prevented due to structural reasons, a sign indicating the extreme operating conditions should be installed on the machine tool. 4.2.5 The control system should not lead to dangerous situations. 4.2.5.1 The control system should ensure that its functions are reliable. The control system should be able to withstand expected loads and external influences. Logical errors, as well as interruption and damage to the machine tool control information carrier, should not lead to the emergence of dangerous situations. 4.2.5.2 For machine tools where the entire working area cannot be observed from the working position, an acoustic or optical starting warning device should generally be installed. 4.2.5.3 The position of the control parts should ensure that misoperation and additional risks will not be caused during operation. JB101391999
4.2.5.4 CNC machine tools should set a T status selection switch for each control function. Each position is only allowed to correspond to one control method and working status. Other methods (such as code control) can also be used. Make work status selection. 4.2.5.5 When the machine tool stops, the stop of the independent feed motion should not be later than the stop of the main motion. 4.2.5.6 In the event of emergency stop or power system failure, moving parts should stop on the spot, and vertical moving parts should retreat or stop in place, and should not fall on their own.
5.2.5.7 When the machine tool is running in the cycle T. operation mode, manual operation is invalid (except emergency stop operation) 5.2.5.8 An emergency stop control device should be set at each working or operating position. The emergency stop control device Movement should not affect the function of the device protecting the operator or the machine tool. 4.2.6 Accidental interruption of power should not cause danger to personnel and equipment; after power is restored, the machine tool must not start on its own. 4.2.7 The machine tool should be able to effectively recover coolant, and protective baffles should be installed to prevent coolant and chips from splashing. Machine tools that produce a large amount of chips should be equipped with mechanical chip removal devices. The device for fixing the coolant nozzle should be able to be positioned at the required position conveniently, safely and reliably. 4.2.8 The tool rest slide plate, tangential slide seat, workbench (or column), outer bracket and other components should be equipped with reliable limit devices. 4.2.9 The upper end of the column guide rail should be equipped with a protective device, and the lower end of the skateboard guide rail and both ends of the horizontal guide rail of the workbench (or column) should be equipped with dust-proof devices (such as scrapers).
4.2.10 The rapid up and down movement of the skateboard is converted to each other or the rapid movement is converted to axial feed, the radial rapid feed of the workbench (or column) is converted to retreat or radial feed, and the spindle speed is converted , the upper and lower movement conversion of the outer bracket, etc., the operating mechanism should be equipped with an interlocking device. When the interlocking device cannot be installed for mechanical transmission, corresponding explanation signs should be set near the operating mechanism. 4.2.11 The motorized clamping device should ensure that the tool and workpiece cannot fall or be used. The start and end of machine tool operation should be interlocked with the clamping and loosening of the motorized clamping device. In the event of an emergency stop or power system failure, the motorized clamping device should maintain the clamping force on the tool and T-piece, otherwise a reliable safety protection device should be installed. 4.3 Electrical system safety and measures
4.3.1 The power supply should comply with the regulations of GB/T5226.1. 4.3.1.1 The electrical system shall meet the power supply requirements and shall comply with the provisions of 4.3 in GB/T5226.1-1996. 4.3.1.2 The form and requirements of machine tool power supply connection shall comply with the provisions of 5.1 in GB/T5226.1-1996. 4.3.1.3 The power cut-off (isolation) switch shall comply with the provisions of 5.3 in GB/T5226.1-1996. 4.3.2 Protection against electric shock should comply with the provisions of Chapter 6 of GB/T5226.1-1996. 4.3.2.1 The screen protection of electrified objects shall comply with the provisions of 6.2.1 in GB/T5226.1-1996. 4.3.2.2 Protection against indirect electric contact shall comply with the provisions of 6.3 or 6.4 in GB/T5226.11996. The grounding of electrical equipment should be safe and reliable, and should comply with the provisions of Chapter 8 of GB/T5226.1-1996. 4.3.2.3 The insulation protection of live parts shall comply with the provisions of 6.2.2 in GB/T5226.1-1996. 4.3.3 The protection of electrical equipment should comply with the provisions of Chapter 7 of GB/T5226.1-1996. 4.3.3.1 Overcurrent protection shall comply with the provisions of 7.2 in GB/T5226.1-1996. 4.3.3.2 Motor overload protection shall comply with the provisions of 7.3 in GB/T5226.1-1996. 4.3.3.3 Protection against power interruption or voltage drop and subsequent recovery shall comply with the provisions of 7.5 in GB/T5226.1--1996. 4.3.4 Emergency stop shall comply with the provisions of 9.2.5.4 in GB/T5226.1-1996. 4.3.5 Buttons, indicator lights and other control devices should comply with the provisions of Chapter 10 of GB/T5226.11996. The selection of wires and cables should generally comply with the provisions of Chapter 14 of GB/T5226.1-1996. JB 10139-1999
4.3.6 The local lighting device of machine tools should generally comply with the provisions of 17.2 in GB/T5226.1-1996. 4.4 Safety requirements and measures for hydraulic and lubrication systems Hydraulic and lubrication systems should be able to ensure the normal operation of machine tools and personal safety. The safety of the hydraulic system should comply with the provisions of Chapter 5 of JB/T10051-1999. The entirety of the lubrication system should be In compliance with the provisions of 5.9 and 7 of GB/6576-1986, the indexing auxiliary oil pool, the tool holder spiral bevel gear auxiliary oil pool and other parts should be equipped with observation windows, the column, the tool spindle and the tool holder helical gear pair or weaving rod. The deputy should be equipped with an oil level indicating device and ensure good lubrication. 4.5 Noise safety requirements
When the machine tool is running, there should be no abnormal screams and impact sounds. When the main movement is running forward and reverse at low, medium and high speed, the machine tool noise sound pressure level shall not exceed 83dB(A).
4.6 Safety requirements and measures for materials and substances 4.6.1 The materials of parts and components used in machine tools should comply with design regulations. 4.6.2 For machine tools that produce a large amount of oil during operation (the oil concentration exceeds 5 mg/m), effective protective measures (such as oil mist separators) should be taken
4.7 Safety requirements and measures based on ergonomics principles Measures: The height of the machine tool operating handle from the ground (or operating station surface) (calculated based on the center position of the handle) should comply with the requirements in the table. 4.7.1
Table 1·Installation height of machine tool operating handle
Beam operating handle name
"Operation hand vehicle for radial movement of the operating table (or river pillar) outside the support tree| | tt | ||For operation
For adjustment
For machine tools with handwheels and handles, the operating force shall not exceed the requirements of Table 2 4.7.2
Table 2 Limits of control force of machine tool handwheel and handle. Working wheel, handle name
L\operating table (or column) radial moving hand tree
outer bracket Operating handle
Inching lubrication handle
Spindle speed change handle
Skateboard moving handle up and down
≤2
40
60| |tt||Machine weight
>2-5
60
100
>5-10
80
120|| tt||Installation height
0.5~1.7
$2
>10
120
160
m
N
4.7.3 For measuring devices that frequently observe readings, the installation height of the reading mechanism should generally be 0.7~1.7m. For observation and reading mechanisms that are not frequently used, the installation height is allowed to be 0.3-2.5m. 4.7.4 Machine tool lighting devices should not have stroboscopic effects and interference and dazzling phenomena. 5 | | tt | | JB10139-1999 |
4.8 Safety requirements and measures for safety protection devices For hazards that cannot be properly avoided or adequately limited through design, safety protection devices should generally be selected correctly and reasonably in accordance with the provisions of Chapter 4 of GB/T15706.2-1995. Protect people. 4.8.1 For machine tools with a maximum workpiece diameter greater than 800mm, when the operator needs to stand on the machine tool to load and unload tools or T-pieces: an anti-slip support surface or a special support plate should be provided. Machine tools that cannot be operated on the ground should be equipped with protective railings or a working platform leading to a fixed workbench, and its materials and dimensions should comply with the regulations of GB4053.3~4053.4. The protective railings should be painted with orange paint, and the working platform should be non-slip. 4.8.2' The safety protection device should have reliable performance and should not cause additional dangers. It should not limit the functions of the machine tool, nor should it restrict the operation, adjustment and maintenance of the machine tool too much. It should be firmly and reliably fixed. When the machine tool adopts an interlocking protective device, it should be ensured that the machine tool cannot be started before the protective device is closed. Once the protective device is opened, the machine tool should stop running. The safe distance between the protective device and the dangerous parts of the machine tool should comply with the regulations of GB12265.1 and GB12265.3. The materials and dimensions of safety protection devices should comply with the regulations of GB8196 and GB8197.
4.9 Usage information
4.9.1 General requirements
4.9.1.1 Usage information consists of words, signals, symbols or graphics, which can be used alone or in combination to provide users with Send message.
4.9.1.2 The usage information should clearly specify the intended use of the machine tool, and should ensure the instructions required for the safe and correct use of the machine tool. 4.9.1.3 Usage information should not be used to remedy design deficiencies. 4.9.1.4 Usage information must include transportation, delivery test operation (assembly, installation and adjustment), use (setting, teaching or process conversion, operation, cleaning, troubleshooting and machine maintenance). 4.9.2 Usage information should be configured according to the structure, risks and time of use of the machine tool. 4.9.3 Usage information can be given by the machine tool itself, random technical documents (especially the instruction manual) and other means (such as various signals and text notices, etc.). The safety performance of the machine tool, safety precautions and safety requirements for operation, adjustment and maintenance should be stated in the machine tool instruction manual.
4.9.3.1 Signs, symbols (pictograms) and text warnings should generally comply with the provisions of 5.4 in GB/T15706.2-1995 and GB/T3167 and GB/T3168.
4.9.3.2 Random technical documents should generally comply with the provisions of GB/T15706.2-1995 5.5 and JB/T9875. 4.9.3.3 Signal and warning devices shall comply with the provisions of 5.3 in GB/T15706.2-1995. 4.10 Safety requirements and measures for machine tool packaging, storage and transportation. Safety requirements and measures for machine tool packaging, storage and transportation should generally comply with GB15760-1995 13.1~13.2 and JB/T8356.! Provisions. 5 Assessment of safety requirements and measures
5.1 General assessment
5.1.1 Evaluate whether the machine tool is designed to avoid or reduce risks as much as possible. Limit people's exposure to danger by reducing the need for operators to enter danger zones.
5.1.2 Evaluate whether the machine tool has taken necessary safety protection measures or installed safety protection devices for dangers that cannot be eliminated. 6
JB10139-1999
5.1.3 Evaluate whether the machine tool usage information informs and warns users about risks that cannot be eliminated or fully reduced through design. The residual risk of rainy day safety guards being ineffective or not fully effective. 5.2 Assessment of mechanical safety requirements and measures
5.2.1 Check whether the machine tool complies with the provisions of 4.2.1. 5.2.2 Check whether the protective measures for the rotating parts of the machine tool comply with the provisions of 4.2.2. 5.2.3 Check whether the machine tool complies with the provisions of 4.2.3 and whether the safety protection device is firm and reliable. 5.2.4 The machine tool load test shall be carried out according to the provisions of 8.1 or 8.2 in JB/T6344-1992. The CNC hobbing machine shall be tested according to the provisions of 8.1 and 8.2 in JB/T8360.2-1996 to check whether the machine tool is running smoothly and reliably (spot check). 5.2.5 Check whether the machine tool control system complies with the provisions of 4.2.5. 5.2.6 Check whether the machine tool meets the requirements of 4.2.6. 5.2.7 Check whether the machine tool is equipped with protective baffles to prevent coolant splashing and chip flying. 5.2.8 Check whether the machine tool complies with the provisions of 4.2.8, 4.2.9, 4.2.10 and 4.2.11. 5.3 Assessment of electrical system safety requirements and measures 5.3.1 Check whether the machine tool complies with the provisions of 4.3. 5.3.2 Electrical equipment should be tested for continuity, insulation resistance, withstand voltage and residual voltage protection and functional tests of the protective grounding circuit in accordance with Chapter 20 of GB/T5226.11996. 5.4 Assessment of safety requirements and measures for hydraulic and lubrication systems Check whether the machine tool hydraulic system and lubrication system meet the requirements of 4.4. 5.5 Evaluation of machine tool noise
According to the provisions of GB/T16769, check whether the sound pressure level of the idle running noise of the machine tool meets the requirements of 4.5. 5.6 Assessment of material and material safety requirements and measures 5.6.1 Check whether the machine tool design has reasonably selected materials for main components. 5.6.2 Check whether the machine tools that produce a large amount of oil mist (the oil mist concentration exceeds 5 mg/m2) during operation have taken the measures required in 4.6.2. 5.7 Assessment of safety protection measures taken based on ergonomics principles. 5.7.1 Check the machine tool operation. Whether the installation height of the handle complies with the provisions of 4.7.1. 5.7.2 Check whether the control force of the machine tool handwheel and handle meets the requirements of 4.7.2. 5.7.3 Check whether the reading mechanism of the machine tool measuring device complies with the provisions of 4.7.3. 5.7.4 Check whether the machine tool lighting device has stroboscopic effect and interference and dazzling phenomenon. 5.7.5 Check whether the operating direction of the machine tool control device complies with the provisions of 4.7.5. 5.8 Evaluation of safety protection devices
Check whether the safety protection devices of machine tools comply with the provisions of 4.8. 5.9 Evaluation of Usage Information
5.9.! Evaluate whether the machine tool instruction manual stipulates the machine tool's safety performance, safety precautions, and safety regulations that should be followed during operation, adjustment, and maintenance.
5.9.2 Evaluate whether the usage information complies with the provisions of 4.9. 5.10 Assessment of safety requirements and measures for machine tool packaging, storage and transportation Check whether the machine tool packaging, storage and transportation meets the requirements of 4.10.4. Machine tool lighting devices should not have stroboscopic effects and interference and dazzling phenomena. 5 | | tt | | JB10139-1999 |
4.8 Safety requirements and measures for safety protection devices For hazards that cannot be properly avoided or adequately limited through design, safety protection devices should generally be selected correctly and reasonably in accordance with the provisions of Chapter 4 of GB/T15706.2-1995. Protect people. 4.8.1 For machine tools with a maximum workpiece diameter greater than 800mm, when the operator needs to stand on the machine tool to load and unload tools or T-pieces: an anti-slip support surface or a special support plate should be provided. Machine tools that cannot be operated on the ground should be equipped with protective railings or a working platform leading to a fixed workbench, and its materials and dimensions should comply with the regulations of GB4053.3~4053.4. The protective railings should be painted with orange paint, and the working platform should be non-slip. 4.8.2' The safety protection device should have reliable performance and should not cause additional dangers. It should not limit the functions of the machine tool, nor should it restrict the operation, adjustment and maintenance of the machine tool too much. It should be firmly and reliably fixed. When the machine tool adopts an interlocking protective device, it should be ensured that the machine tool cannot be started before the protective device is closed. Once the protective device is opened, the machine tool should stop running. The safe distance between the protective device and the dangerous parts of the machine tool should comply with the regulations of GB12265.1 and GB12265.3. The materials and dimensions of safety protection devices should comply with the regulations of GB8196 and GB8197.
4.9 Usage information
4.9.1 General requirements
4.9.1.1 Usage information consists of words, signals, symbols or graphics, which can be used alone or in combination to provide users with Send message.
4.9.1.2 The usage information should clearly specify the intended use of the machine tool, and should ensure the instructions required for the safe and correct use of the machine tool. 4.9.1.3 Usage information should not be used to remedy design deficiencies. 4.9.1.4 Usage information must include transportation, delivery test operation (assembly, installation and adjustment), use (setting, teaching or process conversion, operation, cleaning, troubleshooting and machine maintenance). 4.9.2 Usage information should be configured according to the structure, risks and time of use of the machine tool. 4.9.3 Usage information can be given by the machine tool itself, random technical documents (especially the instruction manual) and other means (such as various signals and text notices, etc.). The safety performance of the machine tool, safety precautions and safety requirements for operation, adjustment and maintenance should be stated in the machine tool instruction manual.
4.9.3.1 Signs, symbols (pictograms) and text warnings should generally comply with the provisions of 5.4 in GB/T15706.2-1995 and GB/T3167 and GB/T3168.
4.9.3.2 Random technical documents should generally comply with the provisions of GB/T15706.2-1995 5.5 and JB/T9875. 4.9.3.3 Signal and warning devices shall comply with the provisions of 5.3 in GB/T15706.2-1995. 4.10 Safety requirements and measures for machine tool packaging, storage and transportation. Safety requirements and measures for machine tool packaging, storage and transportation should generally comply with GB15760-1995 13.1~13.2 and JB/T8356.! Provisions. 5 Assessment of safety requirements and measures
5.1 General assessment
5.1.1 Evaluate whether the machine tool is designed to avoid or reduce risks as much as possible. Limit people's exposure to danger by reducing the need for operators to enter danger zones.
5.1.2 Evaluate whether the machine tool has taken necessary safety protection measures or installed safety protection devices for dangers that cannot be eliminated. 6
JB10139-1999
5.1.3 Evaluate whether the machine tool usage information informs and warns users about risks that cannot be eliminated or fully reduced through design. The residual risk of rainy day safety guards being ineffective or not fully effective. 5.2 Assessment of mechanical safety requirements and measures
5.2.1 Check whether the machine tool complies with the provisions of 4.2.1. 5.2.2 Check whether the protective measures for the rotating parts of the machine tool comply with the provisions of 4.2.2. 5.2.3 Check whether the machine tool complies with the provisions of 4.2.3 and whether the safety protection device is firm and reliable. 5.2.4 The machine tool load test shall be carried out according to the provisions of 8.1 or 8.2 in JB/T6344-1992. The CNC gear hobbing machine shall be tested according to the provisions of 8.1 and 8.2 in JB/T8360.2-1996 to check whether the machine tool is running smoothly and reliably (spot check). 5.2.5 Check whether the machine tool control system complies with the provisions of 4.2.5. 5.2.6 Check whether the machine tool meets the requirements of 4.2.6. 5.2.7 Check whether the machine tool is equipped with protective baffles to prevent coolant splashing and chip flying. 5.2.8 Check whether the machine tool complies with the provisions of 4.2.8, 4.2.9, 4.2.10 and 4.2.11. 5.3 Assessment of electrical system safety requirements and measures 5.3.1 Check whether the machine tool complies with the provisions of 4.3. 5.3.2 Electrical equipment should be tested for continuity, insulation resistance, withstand voltage and residual voltage protection and functional tests of the protective grounding circuit in accordance with Chapter 20 of GB/T5226.11996. 5.4 Assessment of safety requirements and measures for hydraulic and lubrication systems Check whether the machine tool hydraulic system and lubrication system meet the requirements of 4.4. 5.5 Evaluation of machine tool noise
According to the provisions of GB/T16769, check whether the sound pressure level of the idle running noise of the machine tool meets the requirements of 4.5. 5.6 Assessment of material and material safety requirements and measures 5.6.1 Check whether the machine tool design has reasonably selected materials for main components. 5.6.2 Check whether the machine tools that produce a large amount of oil mist (the oil mist concentration exceeds 5 mg/m2) during operation have taken the measures required in 4.6.2. 5.7 Assessment of safety protection measures taken based on ergonomics principles. 5.7.1 Check the machine tool operation. Whether the installation height of the handle complies with the provisions of 4.7.1. 5.7.2 Check whether the control force of the machine tool handwheel and handle meets the requirements of 4.7.2. 5.7.3 Check whether the reading mechanism of the machine tool measuring device complies with the provisions of 4.7.3. 5.7.4 Check whether the machine tool lighting device has stroboscopic effect and interference and dazzling phenomenon. 5.7.5 Check whether the operating direction of the machine tool control device complies with the provisions of 4.7.5. 5.8 Evaluation of safety protection devices
Check whether the safety protection devices of machine tools comply with the provisions of 4.8. 5.9 Evaluation of Usage Information
5.9.! Evaluate whether the machine tool instruction manual stipulates the machine tool's safety performance, safety precautions, and safety regulations that should be followed during operation, adjustment, and maintenance.
5.9.2 Evaluate whether the usage information complies with the provisions of 4.9. 5.10 Assessment of safety requirements and measures for machine tool packaging, storage and transportation Check whether the machine tool packaging, storage and transportation meets the requirements of 4.10.4. Machine tool lighting devices should not have stroboscopic effects and interference and dazzling phenomena. 5 | | tt | | JB10139-1999 |
4.8 Safety requirements and measures for safety protection devices For hazards that cannot be properly avoided or adequately limited through design, safety protection devices should generally be selected correctly and reasonably in accordance with the provisions of Chapter 4 of GB/T15706.2-1995. Protect people. 4.8.1 For machine tools with a maximum workpiece diameter greater than 800mm, when the operator needs to stand on the machine tool to load and unload tools or T-pieces: an anti-slip support surface or a special support plate should be provided. Machine tools that cannot be operated on the ground should be equipped with protective railings or a working platform leading to a fixed workbench, and its materials and dimensions should comply with the regulations of GB4053.3~4053.4. The protective railings should be painted with orange paint, and the working platform should be non-slip. 4.8.2' The safety protection device should have reliable performance and should not cause additional dangers. It should not limit the functions of the machine tool, nor should it restrict the operation, adjustment and maintenance of the machine tool too much. It should be firmly and reliably fixed. When the machine tool adopts an interlocking protective device, it should be ensured that the machine tool cannot be started before the protective device is closed. Once the protective device is opened, the machine tool should stop running. The safe distance between the protective device and the dangerous parts of the machine tool should comply with the regulations of GB12265.1 and GB12265.3. The materials and dimensions of safety protection devices should comply with the regulations of GB8196 and GB8197.
4.9 Usage information
4.9.1 General requirements
4.9.1.1 Usage information consists of words, signals, symbols or graphics, which can be used alone or in combination to provide users with Send message.
4.9.1.2 The usage information should clearly specify the intended use of the machine tool, and should ensure the instructions required for the safe and correct use of the machine tool. 4.9.1.3 Usage information should not be used to remedy design deficiencies. 4.9.1.4 Usage information must include transportation, delivery test operation (assembly, installation and adjustment), use (setting, teaching or process conversion, operation, cleaning, troubleshooting and machine maintenance). 4.9.2 Usage information should be configured according to the structure, risks and time of use of the machine tool. 4.9.3 Usage information can be given by the machine tool itself, random technical documents (especially the instruction manual) and other means (such as various signals and text notices, etc.). The safety performance of the machine tool, safety precautions and safety requirements for operation, adjustment and maintenance should be stated in the machine tool instruction manual.
4.9.3.1 Signs, symbols (pictograms) and text warnings should generally comply with the provisions of 5.4 in GB/T15706.2-1995 and GB/T3167 and GB/T3168.
4.9.3.2 Random technical documents should generally comply with the provisions of GB/T15706.2-1995 5.5 and JB/T9875. 4.9.3.3 Signal and warning devices shall comply with the provisions of 5.3 in GB/T15706.2-1995. 4.10 Safety requirements and measures for machine tool packaging, storage and transportation. Safety requirements and measures for machine tool packaging, storage and transportation should generally comply with GB15760-1995 13.1~13.2 and JB/T8356.! Provisions. 5 Assessment of safety requirements and measures
5.1 General assessment
5.1.1 Evaluate whether the machine tool is designed to avoid or reduce risks as much as possible. Limit people's exposure to danger by reducing the need for operators to enter danger zones.
5.1.2 Evaluate whether the machine tool has taken necessary safety protection measures or installed safety protection devices for dangers that cannot be eliminated. 6
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5.1.3 Evaluate whether the machine tool usage information informs and warns users about risks that cannot be eliminated or fully reduced through design. The residual risk of rainy day safety guards being ineffective or not fully effective. 5.2 Assessment of mechanical safety requirements and measures
5.2.1 Check whether the machine tool complies with the provisions of 4.2.1. 5.2.2 Check whether the protective measures for the rotating parts of the machine tool comply with the provisions of 4.2.2. 5.2.3 Check whether the machine tool complies with the provisions of 4.2.3 and whether the safety protection device is firm and reliable. 5.2.4 The machine tool load test shall be carried out according to the provisions of 8.1 or 8.2 in JB/T6344-1992. The CNC gear hobbing machine shall be tested according to the provisions of 8.1 and 8.2 in JB/T8360.2-1996 to check whether the machine tool is running smoothly and reliably (spot check). 5.2.5 Check whether the machine tool control system complies with the provisions of 4.2.5. 5.2.6 Check whether the machine tool meets the requirements of 4.2.6. 5.2.7 Check whether the machine tool is equipped with protective baffles to prevent coolant splashing and chip flying. 5.2.8 Check whether the machine tool complies with the provisions of 4.2.8, 4.2.9, 4.2.10 and 4.2.11. 5.3 Assessment of electrical system safety requirements and measures 5.3.1 Check whether the machine tool complies with the provisions of 4.3. 5.3.2 Electrical equipment should be tested for continuity, insulation resistance, withstand voltage and residual voltage protection and functional tests of the protective grounding circuit in accordance with Chapter 20 of GB/T5226.11996. 5.4 Assessment of safety requirements and measures for hydraulic and lubrication systems Check whether the machine tool hydraulic system and lubrication system meet the requirements of 4.4. 5.5 Evaluation of machine tool noise
According to the provisions of GB/T16769, check whether the sound pressure level of the idle running noise of the machine tool meets the requirements of 4.5. 5.6 Assessment of material and material safety requirements and measures 5.6.1 Check whether the machine tool design has reasonably selected materials for main components. 5.6.2 Check whether the machine tools that produce a large amount of oil mist (the oil mist concentration exceeds 5 mg/m2) during operation have taken the measures required in 4.6.2. 5.7 Assessment of safety protection measures taken based on ergonomics principles. 5.7.1 Check the machine tool operation. Whether the installation height of the handle complies with the provisions of 4.7.1. 5.7.2 Check whether the control force of the machine tool handwheel and handle meets the requirements of 4.7.2. 5.7.3 Check whether the reading mechanism of the machine tool measuring device complies with the provisions of 4.7.3. 5.7.4 Check whether the machine tool lighting device has stroboscopic effect and interference and dazzling phenomenon. 5.7.5 Check whether the operating direction of the machine tool control device complies with the provisions of 4.7.5. 5.8 Evaluation of safety protection devices
Check whether the safety protection devices of machine tools comply with the provisions of 4.8. 5.9 Evaluation of Usage Information
5.9.! Evaluate whether the machine tool instruction manual stipulates the machine tool's safety performance, safety precautions, and safety regulations that should be followed during operation, adjustment, and maintenance.
5.9.2 Evaluate whether the usage information complies with the provisions of 4.9. 5.10 Assessment of safety requirements and measures for machine tool packaging, storage and transportation Check whether the machine tool packaging, storage and transportation meets the requirements of 4.10.4 Usage information must include transportation, delivery test operation (assembly, installation and adjustment), use (setting, teaching or process conversion, operation, cleaning, troubleshooting and machine maintenance). 4.9.2 Usage information should be configured according to the structure, risks and time of use of the machine tool. 4.9.3 Usage information can be given by the machine tool itself, random technical documents (especially the instruction manual) and other means (such as various signals and text notices, etc.). The safety performance of the machine tool, safety precautions and safety requirements for operation, adjustment and maintenance should be stated in the machine tool instruction manual.
4.9.3.1 Signs, symbols (pictograms) and text warnings should generally comply with the provisions of 5.4 in GB/T15706.2-1995 and GB/T3167 and GB/T3168.
4.9.3.2 Random technical documents should generally comply with the provisions of GB/T15706.2-1995 5.5 and JB/T9875. 4.9.3.3 Signal and warning devices shall comply with the provisions of 5.3 in GB/T15706.2-1995. 4.10 Safety requirements and measures for machine tool packaging, storage and transportation. Safety requirements and measures for machine tool packaging, storage and transportation should generally comply with GB15760-1995 13.1~13.2 and JB/T8356.! Provisions. 5 Assessment of safety requirements and measures
5.1 General assessment
5.1.1 Evaluate whether the machine tool is designed to avoid or reduce risks as much as possible. Limit people's exposure to danger by reducing the need for operators to enter danger zones.
5.1.2 Evaluate whether the machine tool has taken necessary safety protection measures or installed safety protection devices for dangers that cannot be eliminated. 6
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5.1.3 Evaluate whether the machine tool usage information informs and warns users about risks that cannot be eliminated or fully reduced through design. The residual risk of rainy day safety guards being ineffective or not fully effective. 5.2 Assessment of mechanical safety requirements and measures
5.2.1 Check whether the machine tool complies with the provisions of 4.2.1. 5.2.2 Check whether the protective measures for the rotating parts of the machine tool comply with the provisions of 4.2.2. 5.2.3 Check whether the machine tool complies with the provisions of 4.2.3 and whether the safety protection device is firm and reliable. 5.2.4 The machine tool load test shall be carried out according to the provisions of 8.1 or 8.2 in JB/T6344-1992. The CNC hobbing machine shall be tested according to the provisions of 8.1 and 8.2 in JB/T8360.2-1996 to check whether the machine tool is running smoothly and reliably (spot check). 5.2.5 Check whether the machine tool control system complies with the provisions of 4.2.5. 5.2.6 Check whether the machine tool meets the requirements of 4.2.6. 5.2.7 Check whether the machine tool is equipped with protective baffles to prevent coolant splashing and chip flying. 5.2.8 Check whether the machine tool complies with the provisions of 4.2.8, 4.2.9, 4.2.10 and 4.2.11. 5.3 Assessment of electrical system safety requirements and measures 5.3.1 Check whether the machine tool complies with the provisions of 4.3. 5.3.2 Electrical equipment should be tested for continuity, insulation resistance, withstand voltage and residual voltage protection and functional tests of the protective grounding circuit in accordance with Chapter 20 of GB/T5226.11996. 5.4 Assessment of safety requirements and measures for hydraulic and lubrication systems Check whether the machine tool hydraulic system and lubrication system meet the requirements of 4.4. 5.5 Evaluation of machine tool noise
According to the provisions of GB/T16769, check whether the sound pressure level of the idle running noise of the machine tool meets the requirements of 4.5. 5.6 Assessment of material and material safety requirements and measures 5.6.1 Check whether the machine tool design has reasonably selected materials for main components. 5.6.2 Check whether the machine tools that produce a large amount of oil mist (the oil mist concentration exceeds 5 mg/m2) during operation have taken the measures required in 4.6.2. 5.7 Assessment of safety protection measures taken based on ergonomics principles. 5.7.1 Check the machine tool operation. Whether the installation height of the handle complies with the provisions of 4.7.1. 5.7.2 Check whether the control force of the machine tool handwheel and handle meets the requirements of 4.7.2. 5.7.3 Check whether the reading mechanism of the machine tool measuring device complies with the provisions of 4.7.3. 5.7.4 Check whether the machine tool lighting device has stroboscopic effect and interference and dazzling phenomenon. 5.7.5 Check whether the operating direction of the machine tool control device complies with the provisions of 4.7.5. 5.8 Evaluation of safety protection devices
Check whether the safety protection devices of machine tools comply with the provisions of 4.8. 5.9 Evaluation of Usage Information
5.9.! Evaluate whether the machine tool instruction manual stipulates the machine tool's safety performance, safety precautions, and safety regulations that should be followed during operation, adjustment, and maintenance.
5.9.2 Evaluate whether the usage information complies with the provisions of 4.9. 5.10 Assessment of safety requirements and measures for machine tool packaging, storage and transportation Check whether the machine tool packaging, storage and transportation meets the requirements of 4.10.4 Usage information must include transportation, delivery test operation (assembly, installation and adjustment), use (setting, teaching or process conversion, operation, cleaning, troubleshooting and machine maintenance). 4.9.2 Usage information should be configured according to the structure, risks and time of use of the machine tool. 4.9.3 Usage information can be given by the machine tool itself, random technical documents (especially the instruction manual) and other means (such as various signals and text notices, etc.). The safety performance of the machine tool, safety precautions and safety requirements for operation, adjustment and maintenance should be stated in the machine tool instruction manual. bzxZ.net
4.9.3.1 Signs, symbols (pictograms) and text warnings should generally comply with the provisions of 5.4 in GB/T15706.2-1995 and GB/T3167 and GB/T3168.
4.9.3.2 Random technical documents should generally comply with the provisions of GB/T15706.2-1995 5.5 and JB/T9875. 4.9.3.3 Signal and warning devices shall comply with the provisions of 5.3 in GB/T15706.2-1995. 4.10 Safety requirements and measures for machine tool packaging, storage and transportation. Safety requirements and measures for machine tool packaging, storage and transportation should generally comply with GB15760-1995 13.1~13.2 and JB/T8356.! Provisions. 5 Assessment of safety requirements and measures
5.1 General assessment
5.1.1 Evaluate whether the machine tool is designed to avoid or reduce risks as much as possible. Limit people's exposure to danger by reducing the need for operators to enter danger zones.
5.1.2 Evaluate whether the machine tool has taken necessary safety protection measures or installed safety protection devices for dangers that cannot be eliminated. 6
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5.1.3 Evaluate whether the machine tool usage information informs and warns users about risks that cannot be eliminated or fully reduced through design. The residual risk of rainy day safety guards being ineffective or not fully effective. 5.2 Assessment of mechanical safety requirements and measures
5.2.1 Check whether the machine tool complies with the provisions of 4.2.1. 5.2.2 Check whether the protective measures for the rotating parts of the machine tool comply with the provisions of 4.2.2. 5.2.3 Check whether the machine tool complies with the provisions of 4.2.3 and whether the safety protection device is firm and reliable. 5.2.4 The machine tool load test shall be carried out according to the provisions of 8.1 or 8.2 in JB/T6344-1992. The CNC hobbing machine shall be tested according to the provisions of 8.1 and 8.2 in JB/T8360.2-1996 to check whether the machine tool is running smoothly and reliably (spot check). 5.2.5 Check whether the machine tool control system complies with the provisions of 4.2.5. 5.2.6 Check whether the machine tool meets the requirements of 4.2.6. 5.2.7 Check whether the machine tool is equipped with protective baffles to prevent coolant splashing and chip flying. 5.2.8 Check whether the machine tool complies with the provisions of 4.2.8, 4.2.9, 4.2.10 and 4.2.11. 5.3 Assessment of electrical system safety requirements and measures 5.3.1 Check whether the machine tool complies with the provisions of 4.3. 5.3.2 Electrical equipment should be tested for continuity, insulation resistance, withstand voltage and residual voltage protection and functional tests of the protective grounding circuit in accordance with Chapter 20 of GB/T5226.11996. 5.4 Assessment of safety requirements and measures for hydraulic and lubrication systems Check whether the machine tool hydraulic system and lubrication system meet the requirements of 4.4. 5.5 Evaluation of machine tool noise
According to the provisions of GB/T16769, check whether the sound pressure level of the idle running noise of the machine tool meets the requirements of 4.5. 5.6 Assessment of material and material safety requirements and measures 5.6.1 Check whether the machine tool design has reasonably selected materials for main components. 5.6.2 Check whether the machine tools that produce a large amount of oil mist (the oil mist concentration exceeds 5 mg/m2) during operation have taken the measures required in 4.6.2. 5.7 Assessment of safety protection measures taken based on ergonomics principles. 5.7.1 Check the machine tool operation. Whether the installation height of the handle complies with the provisions of 4.7.1. 5.7.2 Check whether the control force of the machine tool handwheel and handle meets the requirements of 4.7.2. 5.7.3 Check whether the reading mechanism of the machine tool measuring device complies with the provisions of 4.7.3. 5.7.4 Check whether the machine tool lighting device has stroboscopic effect and interference and dazzling phenomenon. 5.7.5 Check whether the operating direction of the machine tool control device complies with the provisions of 4.7.5. 5.8 Evaluation of safety protection devices
Check whether the safety protection devices of machine tools comply with the provisions of 4.8. 5.9 Evaluation of Usage Information
5.9.! Evaluate whether the machine tool instruction manual stipulates the machine tool's safety performance, safety precautions, and safety regulations that should be followed during operation, adjustment, and maintenance.
5.9.2 Evaluate whether the usage information complies with the provisions of 4.9. 5.10 Assessment of safety requirements and measures for machine tool packaging, storage and transportation Check whether the machine tool packaging, storage and transportation meets the requirements of 4.10.2 Check whether the control force of the machine tool handwheel and handle meets the requirements of 4.7.2. 5.7.3 Check whether the reading mechanism of the machine tool measuring device complies with the provisions of 4.7.3. 5.7.4 Check whether the machine tool lighting device has stroboscopic effect and interference and dazzling phenomenon. 5.7.5 Check whether the operating direction of the machine tool control device complies with the provisions of 4.7.5. 5.8 Evaluation of safety protection devices
Check whether the safety protection devices of machine tools comply with the provisions of 4.8. 5.9 Evaluation of Usage Information
5.9.! Evaluate whether the machine tool instruction manual stipulates the machine tool's safety performance, safety precautions, and safety regulations that should be followed during operation, adjustment, and maintenance.
5.9.2 Evaluate whether the usage information complies with the provisions of 4.9. 5.10 Assessment of safety requirements and measures for machine tool packaging, storage and transportation Check whether the machine tool packaging, storage and transportation meets the requirements of 4.10.2 Check whether the control force of the machine tool handwheel and handle meets the requirements of 4.7.2. 5.7.3 Check whether the reading mechanism of the machine tool measuring device complies with the provisions of 4.7.3. 5.7.4 Check whether the machine tool lighting device has stroboscopic effect and interference and dazzling phenomenon. 5.7.5 Check whether the operating direction of the machine tool control device complies with the provisions of 4.7.5. 5.8 Evaluation of safety protection devices
Check whether the safety protection devices of machine tools comply with the provisions of 4.8. 5.9 Evaluation of Usage Information
5.9.! Evaluate whether the machine tool instruction manual stipulates the machine tool's safety performance, safety precautions, and safety regulations that should be followed during operation, adjustment, and maintenance.
5.9.2 Evaluate whether the usage information complies with the provisions of 4.9. 5.10 Assessment of safety requirements and measures for machine tool packaging, storage and transportation Check whether the machine tool packaging, storage and transportation meets the requirements of 4.10.
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