JB 10167-2000 Technical conditions for safety protection of gear shaping machines
Some standard content:
ICS25.060
J56
JB
Machinery Industry Standard of the People's Republic of China
JB10167-2000
Gear shaping machines
Safeguarding specification
Issued on 2000-01-04
Issued by State Bureau of Machinery Industry
Issued on 2000-06-01
JB10167—2000
Foreword
This standard is formulated according to the principles of GB/T15706.1-1995 "Basic concepts and general principles for machinery safety Part 1: Basic terms and methodology" and GB/T15706.2-1995 "Basic concepts and general principles for machinery safety Part 2: Technical principles and specifications".
This standard is based on GB15760-1995 "General Technical Conditions for Safety Protection of Metal Cutting Machine Tools", combined with the structural characteristics of gear shaping machines, and has been concretized and supplemented. The standards supporting this standard are:
GB/T4686-1984
JB/T31931992
JB/T3193.1-1999
JB/T3193.2-1999
Gear shaping machine accuracy
Gear shaping machine technical conditions
Gear shaping machine, parameters
Gear shaping machine series spectrum
This standard is proposed by the National Technical Committee for Standardization of Metal Cutting Machine Tools. This standard is under the jurisdiction of Tianjin Gear Machine Tool Research Institute. The responsible drafting units of this standard are: Nanjing Second Machine Tool Plant, Tianjin Gear Machine Tool Research Institute. The participating drafting units of this standard are: Tianjin First Machine Tool Plant, Yangtze River Machine Tool Plant. The main drafters of this standard are: Ma Dashan, Wu Xuan, Cheng Liangfan, Zhan Jianzang, Zhu Wangquan, and Lv Fugen. This standard was first issued in January 2000.
Scope
Standard of the Machinery Industry of the People's Republic of China
Gear shaping machines-
Safeguarding specification
JB10167--2000
This standard specifies the main technical requirements, measures and assessments for the safety protection of gear shaping machines (hereinafter referred to as gear shaping machines). This standard is applicable to basic and modified gear shaping machines with a maximum workpiece diameter of 200~3150mm. Referenced standards
2
The provisions contained in the following standards 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 following standards. GB/T 3167-1993
GB/T 3168—1993
GB 4053.1—1993
GB 4053.2—1993
GB 4053.3--1993
GB 4053.4—1983
GB/T 5226.1—1996
GB/T 6576—1986
GB 12265.1—1997
GB 12265.3-1997
Visual symbols for operating instructions of metal cutting machine toolsVisual symbols for operating instructions of digital control machine toolsSafety technical conditions for fixed steel straight laddersbZxz.net
Safety technical conditions for fixed steel inclined ladders
Safety technical conditions for fixed industrial guardrailsFixed industrial steel platforms
Electrical equipment of industrial machineryPart 1: General technical conditionsMachine tool lubrication system
Safety of machinerySafety distance to prevent upper limbs from touching the danger zoneSafety of machineryMinimum distance to avoid squeezing of various parts of the human bodyGB/T15706.2-1995
Safety of machinery, basic concepts and general rules for investment designPart 2: Technical principles and specificationsGB 15760—1995
GB/T16769—1997
GB/T17161—1997
JB/T 8356.1—1996
JB/T 9875—1999
JB/T 10051—1999
3 Hazards of machine tools
3.1 Hazards of machinery
General technical conditions for safety protection of metal cutting machine tools Method for measuring the sound pressure level of metal cutting machine tools Operating direction of machine tool control devices
Technical conditions for machine tool packaging
Compilation of technical documents accompanying metal cutting machine tools General technical conditions for hydraulic systems of metal cutting machine tools 3.1.1 Improper layout of the appearance makes the machine tool unstable, and there is a risk of accidental overturning, falling or moving. 3.1.2. The sharp points, corners, protrusions and openings on the exposed parts of the machine tool may cause stabbing or piercing. Approved by the State Bureau of Machinery Industry on January 4, 2000 and implemented on June 1, 2000
3. 1.3
Hazards.
JB10167—2000
When the workbench (or column slide) moves rapidly in radial direction, there may be a danger of extrusion between the column (or workbench, or stationary part). 3.1.4 When the workbench of the rack-type gear shaping machine moves rapidly in transverse direction, there may be a danger of extrusion between the workbench and the stationary part. 3.1.5 When the workbench (or column slide) moves linearly, there may be a danger of falling beyond the working area. 3.1.6 When the exchange gear and belt transmission device are in operation, there may be a danger of entanglement and entanglement. 3.1.7 When the main motion mechanism such as the crank connecting rod or crank gear fan or crank slider is in operation, there may be a danger of extrusion and entanglement. 3.1.8 Dangers of collision caused by reciprocating motion of tool spindle: a) The reciprocating motion stroke and position adjustment mechanism of tool spindle are unreliable, which may cause collision between tool and workpiece (or fixture and worktable):
b) Before and after machining of internal gear, if tool spindle does not stop at the upper end of its stroke (hereinafter referred to as upper stop), the worktable (or column slide) will move radially rapidly, which may cause collision between tool and T-piece (or fixture, worktable). 3.1.9 Dangers caused by loosening of main motion crank and other parts during movement. 3.1.10 Dangers caused by loosening of clamping device of tool and workpiece. 3.1.11 Dangers caused by motorized clamping device: a) Dangers caused by incoordination between clamping and loosening of clamping device and operation and stop of machine tool; b) Dangers caused by emergency stop or failure of power system. 3.1.12 Dangers caused by lubrication system. 3.1.13 Dangers caused by hydraulic system. 3.1.14 Dangers caused by coolant spraying and chip splashing. 3.1.15 Hazards that may arise from improper packaging, storage and transportation of machine tools. 3.2 Electrical hazards
3.2.1 Hazards of electric shock:
a) Hazard of direct electric shock;
b) Hazard of indirect electric contact.
3.2.2 Hazards caused by improper protection of electrical equipment: a) Current in electrical equipment exceeding the rated value may cause damage to the electrical equipment; b) Overload of the motor may cause damage to it; c) Overspeed of the motor may cause unexpected dangers. 3.2.3 Hazards that may arise from improper design or failure of the control system. 3.2.4 Hazards that may arise from improper location and symbol marking of control devices such as buttons, signal lights, and displays. 3.2.5 Hazards that may arise from improper wire connection and marking. 3.2.6 Hazards that may arise when the motor rotates in reverse. 3.3 Hazards of noise
Noise may cause permanent hearing loss, tinnitus, fatigue, mental depression, etc. 3.4 Dangers caused by ignoring ergonomic principles when designing machine tools 3.4.1 The operating force of the machine tool handwheel and handle is too large, affecting the operator's healthy knee. 3.4.2 The operation of the machine tool operating handle and the reading mechanism of the measuring device is affected by the inappropriate installation height. 2
3.4.3 Dangers caused by lighting that does not meet the regulations. JB10167—2000
3.4.4 Dangers caused by confusion in the operating direction of the machine tool control device. 3.4.5 Dangers that may be caused by machine tools that cannot be operated on the ground. 3.5 Additional dangers that may be caused by improper safety protection devices, safety signs and safety colors. 4 Safety requirements and measures
4.1 General requirements for safety requirements and measures
4.1.1 All potential risk factors should be eliminated or reduced as much as possible through design. 4.1.2 Safety protection devices should be installed for dangers that cannot be properly avoided or fully limited through design. 4.1.3 For certain dangers that are inconvenient to protect, they should be explained in the instruction manual, and warning signs should be installed near the dangerous parts when necessary. 4.2 Machine safety requirements and measures
4.2.1 The appearance and layout of the machine tool should ensure sufficient stability under predetermined working conditions, and there should be no risk of accidental overturning, falling or movement. 4.2.2 Without affecting the use, the exposed parts of the machine tool that can be accessed should be as flat and smooth as possible, and there should be no sharp edges, corners, sharp edges, protruding parts and openings that may cause personal injury. 4.2.3 The workbench (or column slide) that moves radially and the workbench of the rack-type gear shaper that moves laterally should have reliable limiting devices in the direction of movement, and there should be no pinching or squeezing. There is a risk of injury, otherwise safety precautions should be taken. 4.2.4 Crank connecting rods or other devices for reciprocating motion of the tool spindle, exchange gears, and belt transmission devices should generally be closed. If closure is difficult, safety protection devices should be installed or necessary protective measures should be taken. 4.2.5 The adjustment mechanism for the reciprocating stroke and position of the tool spindle should be stable and reliable. 4.2.6 When adding T. internal gear, it should be ensured that the worktable (or column slide) can move rapidly in the radial direction when the tool spindle is in the upper stop position. 4.2.7 Main movement cranks, radial feed mechanisms and other parts that may become loose during movement should be equipped with anti-loosening devices. 4.2.8 The clamping device should ensure that the tool and workpiece will not loosen, fall or be thrown out. 4.2.9 The start of machine tool operation should generally be interlocked with the end of the clamping process of the motorized clamping device. The start of loosening of the motorized clamping device should generally be interlocked with the end of machine tool operation.
In the event of an emergency stop or power system failure, the motorized clamping device should still maintain the clamping force on the tool and workpiece until the machine tool stops completely.
4.2.10 The safety requirements of machine tool lubrication systems should generally comply with the provisions of 5.9 and Chapter 7 of GB/T6576-1986. For machine tools with separate oil supply and lubrication (that is, lubrication and hydraulic systems are separated), the whole machine can only be started after the lubrication system is working. 4.2.11 The safety requirements of machine tool hydraulic systems should generally comply with the provisions of 5.1, 5.2, 5.3 and 5.5 in JB/T10051-1999. When the machine tool is stopped, the hydraulic circuit equipped with the energy demander should be able to automatically release or manually release the pressure in the energy burner, or be able to reliably isolate the circuit from the energy demander.
4.2.12 There should be protective devices or protective measures in the cutting processing area to prevent chips and coolant from splashing and to protect the safety of operators. When necessary, the opening and closing of the protective device should be interlocked with the stop and start of the machine tool. The device for fixing the coolant nozzle should be able to be fixed at the required position conveniently, safely and reliably. 4.2.13 Safety requirements and measures for packaging, storage and transportation of machine tools should generally comply with the provisions of 13.1 and 13.2 of GB15760-1995 and Chapter 3 and 5 of JB/T8356.1-1996.
4.3 Safety requirements and measures for electrical systems
4.3.1 Protection against electric shock shall comply with the following provisions: JB10167-2000
a) Protection against direct electric shock shall comply with GB/T5226.1- The provisions of 6.2 in 1996: b) The protection against indirect electric contact shall comply with the provisions of 6.3 in GB/T5226.1-1996. 4.3.2 The protection of electrical equipment shall comply with the following provisions: a) Over-current protection shall comply with the provisions of 7.2 in GB/T5226.11996: b) Motor overload protection shall comply with the provisions of 7.3 of GB/T5226.1-1996: c) Motor overspeed protection should comply with the provisions of 7.6 in GB/T5226.11996. 4.3.3 The control system should ensure its reliable function. The control system should be able to withstand expected workloads and external influences. Logical errors and interruptions or damage to the machine tool control information should not lead to dangerous situations. 4.3.4 The safety requirements of the control circuit should comply with the provisions of 9.1 and 9.4 in GB/T5226.1-1996. 4.3.5 Accidental interruption of power should not cause danger to personnel, and the machine tool should not start on its own after power is restored. Protection against power interruption or voltage drop and subsequent recovery shall comply with the provisions of 7.5 in GB/T5226.11996. 4.3.6 When the machine tool stops, the rotary motion and radial feed motion of the tool spindle should stop no later than the reciprocating motion of the tool spindle. 4.3.7 In the event of emergency stop or power system failure, the workbench (or column slide) that moves radially should stop on the spot. 4.3.8 When the machine tool is in cycle working mode, the button operation in manual mode is invalid or reliable measures are taken to avoid manual operation (except when an unexpected situation occurs in the working cycle and the operator's participation is required) 4.3.9 Each control function on the CNC machine tool should be Set the working status selection switch so that each position can only correspond to one control method or working status. Other methods (such as code control) can also be used to select the working status. CNC machine tools should also consider the possible impact of the inductive power supply on the CNC system. The power supply requirements should comply with the provisions of 4.3 in GB/T5226.1-1996.
4.3.10 The control method of tool spindle up stop should ensure that the up stop action is correct and reliable. 4.3.11 A "stop" control device should be set near each "start" control device. An emergency stop control device should generally be installed on each operating panel to ensure that the machine tool or moving parts stop running as quickly as possible. 4.3.12 The position and location of the control device should ensure that misoperation and additional risks will not be caused during operation. The location of electrical control devices should comply with the provisions of 5.3.4, 10.1.1 and 13.2 in GB/T5226.1-1996. 4.3.13 Control devices such as buttons, indicator lights, and displays should be clearly identifiable and easy to distinguish. The mark indicating its function or purpose should comply with the relevant provisions of GB/T3167 and GB/T3168, and the use of its forehead color should comply with the provisions of 10.2, 10.3 and 10.4 in GB/T5226.11996.
4.3.14 Wire connection and identification shall comply with the provisions of 15.1 and 15.2 in GB/T5226.1-1996. 4.3.15 When the motor is only allowed to rotate in one direction, there should be a clearly visible direction arrow sign near the motor. 4.4 Safety requirements and measures for noise
Measure the noise of the machine tool during idle operation and load operation according to the provisions of GB/T16769. When the machine tool is running, there should be no abnormal squeaking or impact sounds. Under dry running conditions, the noise sound pressure level of machine tools should not exceed 83dB(A), and the high-speed gear shaping machine should not exceed 85dB(A). Record the noise sound pressure level during the load test of the machine tool and indicate it in the instruction manual. 4.5 Safety requirements and measures taken according to the principles of ergonomics 4.5.1 The control force of the machine tool handwheel and handle should be uniform within the stroke range. The operating force of the handwheel and handle should comply with the provisions of 7.10 "Infrequent use of handwheels and handles" in GB15760--1995. For machine tools that use column offset to achieve diagonal tool release, the operating force of the column offset handle should comply with the design requirements.
JB101672000
4.5.2 The installation height of the operating handle should generally comply with the provisions of 7.11 "Infrequently used" in GB15760--1995. For measuring devices that observe readings, the installation height of the reading mechanism should comply with the provisions of 7.14 "Infrequently used observation and reading mechanisms" in GB15760--1995.
4.5.3 Machine tool lighting devices should not have stroboscopic effects and disturbing dazzling phenomena. 4.5.4 The operating direction of the machine tool control device should comply with the regulations of GB/T17161. When it is inconsistent with the machine tool structure due to machine tool structure, corresponding signs should be made on the machine tool.
4.5.5 For machine tools that cannot be operated on the ground, steel ladders and working platforms leading to the fixed console should be installed. The platforms and passages should be non-slip, and pedals and railings can be installed if necessary. Steel ladders and platforms should generally comply with the relevant regulations of GB4053.1~4053.4. 4.6 Safety requirements and measures for safety protection devices, safety signs and safety colors 4.6.1 The safety requirements for safety protection devices, safety signs and safety colors should comply with the provisions of 6.1, 6.2, 6.3, 6.4, 6.6 and 6.7 of GB15760-1995.
4.6.2 The protective safety distance between the protective device and the dangerous parts of the machine tool should generally comply with the regulations of GB12265.1 and GB12265.3. When the distance between the protective device of the machine tool cutting T zone and the dangerous part is less than the requirements of GB12265.1 and GB12265.3, an information sign should be set to remind that it is not allowed to exceed the protective device and enter the dangerous area while the machine tool is running. 4.6.3 For movable protective devices that do not use interlocking, information signs should be set to remind that the protective devices must not be opened while the machine tool is running. 4.7 Usage Information
4.7.1 General requirements
a) Usage information should clearly specify the intended use of the machine tool, and should include all instructions required to ensure safe and correct use of the machine tool; b) Usage information should not be used to make up for design defects: c) Usage The information must include transportation, delivery, test operation (assembly, installation and adjustment), use (setting, teaching or process conversion, operation, cleaning, troubleshooting and machine maintenance). 4.7.2. The use information should be based on the structure of the machine tool, the user The time and risk of using the information is required to configure. 4.7.3 Usage information can be given from the machine tool itself, random documents (especially the instruction manual) and other means (such as various signals and text warnings, etc.):
a) Signal and warning devices should comply with GB The provisions of 5.3 in /T15706.2-1995: b) signs, symbols (pictograms), and text warnings should comply with the provisions of 5.4 in GB/T15706.2-1995: c) random documents should comply with the provisions of JB/T9875. 5 Assessment of safety requirements and measures
5.1 General assessment
5.1.1, assess whether the machine tool has reduced risks through design: a) According to the contents specified in GB/T15706.2-1995 3.1~3.9 Check whether the machine tool avoids or reduces the risk through appropriate design structure;
b) According to the content specified in 3.10~3.12 of GB/T15706.2-1995, check whether the machine tool avoids or reduces the risk to the operator entering the dangerous area. needed to limit people's exposure to danger.
5.1.2 Evaluate whether the machine tool has taken necessary protective measures or installed safety protection devices for dangers that cannot be eliminated by design: JB10167-2000
a) According to the provisions of 4.1 in GB/T15706.21995 Check whether the selected protective devices and safety devices are reasonable: b) Check whether the design and manufacturing requirements of machine tool protective devices and safety devices are correct according to the content specified in 4.2 of GB/T15706.2-1995.
5.1.3 Evaluate whether the use information of the machine tool informs and warns users about remaining risks that cannot be eliminated or sufficiently reduced through design and for which safety protection devices are ineffective or not fully effective. 5.2 Assessment of mechanical safety requirements and measures
5.2.1 Evaluate whether the drawings and processes comply with the provisions of 4.2.2 and inspect the exposed surface of the machine tool to see if there are sharp edges, sharp corners, protruding parts and openings that may cause personal injury .
5.2.2 Check whether the machine tool workbench (or column slide) and rack-type gear spreader workbench have limit devices in the direction of movement, whether the limit devices are reliable, and check whether they are in motion during movement Is there a crushing hazard? 5.2.3 Check whether the crank connecting rod or other devices for the reciprocating motion of the tool spindle, exchange gears, belt drives and other devices on the machine tool are closed or whether safety protection devices are installed or safety protection measures are taken. 5.2.4 Adjust the stroke and position of the main movement and reciprocate 10 times to check whether the main movement adjustment mechanism of the machine tool is stable and reliable. 5.2.5 When the machine tool is in the internal gear processing mode, check whether the worktable (or column slide) can make rapid radial movement (forward or backward) when the tool spindle is not in the upper stop position.
5.2.6 Evaluate whether the parts that may become loose in the assessment drawing (such as the main movement crank, etc.) have anti-loosening devices. 5.2.7 Evaluate whether the machine tool clamping device meets the requirements of 4.2.8. 5.2.8 Evaluate whether the motorized clamping device of the machine tool meets the requirements of 4.2.9: a) Check whether the machine tool can be started when the machine tool is not clamped or the clamping force is lower than the design requirements. Check whether the clamping device is loose after the machine tool is finished running:
b) Press the "Emergency Stop" button or press the "Hydraulic Stop" button to check whether it is still in the clamping state before the machine tool stops running completely.
5.2.9 Evaluate whether the machine tool meets the requirements of 4.2.10 and 4.2.11. 5.2.10 Check whether the machine tool meets the requirements of 4.2.12. 5.2.11 Evaluate whether the machine tool meets the requirements of 4.2.13. 5.3 Assessment of electrical safety requirements and measures
5.3.1 Evaluate whether the electrical system 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/T5225.11996. 5.4 Assessment of machine tool noise
Check whether the machine tool noise meets the requirements of 4.4. 5.5 Assessment of whether the machine tool has taken measures in accordance with ergonomics principles. 5.5.1 Assessment of whether the machine tool handwheel and handle control force meet the requirements of 4.5.1. 5.5.2 Evaluate whether the installation height of the machine tool operating handle and the reading mechanism of the measuring device meets the requirements of 4.5.2. 5.5.3 Evaluate whether the machine tool lighting device meets the requirements of 4.5.3. 5.5.4 Evaluate whether the operating direction of the machine tool control device complies with the provisions of 4.5.4. 5.5.5 Evaluate whether machine tools that cannot be operated on the ground meet the requirements of 4.5.5. JB10167-2000
5.6 Assessment of safety protection devices, safety signs and safety colors Evaluate whether machine tool safety protection devices, safety signs and safety colors comply with the provisions of 4.6. 5.7 Assessment of usage information
Evaluate whether the usage information complies with the provisions of 4.7. 6 Responsibilities
6.1 The manufacturer should provide operating instructions for each machine tool. The machine tool instruction manual should include the safety performance, safety precautions, and safety requirements for operation, adjustment, and maintenance of the machine tool. 6.2 The manufacturer shall be responsible for the safety protection of the machine tools and supplied auxiliary equipment. 6.3 The user is responsible for the safety protection of the fixtures, tooling and auxiliary equipment added by himself, and the safety protection of the machine tool working area after changing or modifying the original tooling and auxiliary equipment. 6.4 The user is responsible for the dangers caused by failure to install, operate and maintain the machine tool in accordance with the instruction manual.6. Evaluate whether the parts that may become loose in the assessment drawing (such as the main movement crank, etc.) have anti-loosening devices. 5.2.7 Evaluate whether the machine tool clamping device meets the requirements of 4.2.8. 5.2.8 Evaluate whether the motorized clamping device of the machine tool meets the requirements of 4.2.9: a) Check whether the machine tool can be started when the machine tool is not clamped or the clamping force is lower than the design requirements. Check whether the clamping device is loose after the machine tool is finished running:
b) Press the "Emergency Stop" button or press the "Hydraulic Stop" button to check whether it is still in the clamping state before the machine tool stops running completely.
5.2.9 Evaluate whether the machine tool meets the requirements of 4.2.10 and 4.2.11. 5.2.10 Check whether the machine tool meets the requirements of 4.2.12. 5.2.11 Evaluate whether the machine tool meets the requirements of 4.2.13. 5.3 Assessment of electrical safety requirements and measures
5.3.1 Evaluate whether the electrical system complies with the provisions of 4.3. 5.3.2 Electrical equipment shall be subject to protection and functional tests of continuity, insulation resistance, withstand voltage and residual voltage of the protective grounding circuit in accordance with Chapter 20 of GB/T5225.11996. 5.4 Assessment of machine tool noise
Check whether the machine tool noise meets the requirements of 4.4. 5.5 Assessment of whether the machine tool has taken measures according to ergonomics principles. 5.5.1 Assessment of whether the machine tool handwheel and handle control force meet the requirements of 4.5.1. 5.5.2 Evaluate whether the installation height of the machine tool operating handle and the reading mechanism of the measuring device meets the requirements of 4.5.2. 5.5.3 Evaluate whether the machine tool lighting device meets the requirements of 4.5.3. 5.5.4 Evaluate whether the operating direction of the machine tool control device complies with the provisions of 4.5.4. 5.5.5 Evaluate whether machine tools that cannot be operated on the ground meet the requirements of 4.5.5. JB10167-2000
5.6 Assessment of safety protection devices, safety signs and safety colors Evaluate whether machine tool safety protection devices, safety signs and safety colors comply with the provisions of 4.6. 5.7 Assessment of usage information
Evaluate whether the usage information complies with the provisions of 4.7. 6 Responsibilities
6.1 The manufacturer should provide operating instructions for each machine tool. The machine tool instruction manual should include the safety performance, safety precautions, and safety requirements for operation, adjustment, and maintenance of the machine tool. 6.2 The manufacturer shall be responsible for the safety protection of the machine tools and supplied auxiliary equipment. 6.3 The user is responsible for the safety protection of the fixtures, tooling and auxiliary equipment added by himself, and the safety protection of the machine tool working area after changing or modifying the original tooling and auxiliary equipment. 6.4 The user is responsible for the dangers caused by failure to install, operate and maintain the machine tool in accordance with the instruction manual.6. Evaluate whether the parts that may become loose in the assessment drawing (such as the main movement crank, etc.) have anti-loosening devices. 5.2.7 Evaluate whether the machine tool clamping device meets the requirements of 4.2.8. 5.2.8 Evaluate whether the motorized clamping device of the machine tool meets the requirements of 4.2.9: a) Check whether the machine tool can be started when the machine tool is not clamped or the clamping force is lower than the design requirements. Check whether the clamping device is loose after the machine tool is finished running:
b) Press the "Emergency Stop" button or press the "Hydraulic Stop" button to check whether it is still in the clamping state before the machine tool stops running completely.
5.2.9 Evaluate whether the machine tool meets the requirements of 4.2.10 and 4.2.11. 5.2.10 Check whether the machine tool meets the requirements of 4.2.12. 5.2.11 Evaluate whether the machine tool meets the requirements of 4.2.13. 5.3 Assessment of electrical safety requirements and measures
5.3.1 Evaluate whether the electrical system 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/T5225.11996. 5.4 Assessment of machine tool noise
Check whether the machine tool noise meets the requirements of 4.4. 5.5 Assessment of whether the machine tool has taken measures according to ergonomics principles. 5.5.1 Assessment of whether the machine tool handwheel and handle control force meet the requirements of 4.5.1. 5.5.2 Evaluate whether the installation height of the machine tool operating handle and the reading mechanism of the measuring device meets the requirements of 4.5.2. 5.5.3 Evaluate whether the machine tool lighting device meets the requirements of 4.5.3. 5.5.4 Evaluate whether the operating direction of the machine tool control device complies with the provisions of 4.5.4. 5.5.5 Evaluate whether machine tools that cannot be operated on the ground meet the requirements of 4.5.5. JB10167-2000
5.6 Assessment of safety protection devices, safety signs and safety colors Evaluate whether machine tool safety protection devices, safety signs and safety colors comply with the provisions of 4.6. 5.7 Assessment of usage information
Evaluate whether the usage information complies with the provisions of 4.7. 6 Responsibilities
6.1 The manufacturer should provide operating instructions for each machine tool. The machine tool instruction manual should include the safety performance, safety precautions, and safety requirements for operation, adjustment, and maintenance of the machine tool. 6.2 The manufacturer shall be responsible for the safety protection of the machine tools and supplied auxiliary equipment. 6.3 The user is responsible for the safety protection of the fixtures, tooling and auxiliary equipment added by the user, and the safety protection of the machine tool working area after the original tooling and auxiliary equipment have been changed or modified. 6.4 The user is responsible for the dangers caused by failure to install, operate and maintain the machine tool in accordance with the instruction manual.
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