Foreword
This standard is a revision of ZB J62 022-89 "Safety Technical Conditions for Joint Pressing Machines". This standard and the technical content of ZB J62 022-89 are basically the same, only according to the relevant provisions of the re-editing.
This standard has been implemented since January 1, 2000.
This standard replaces ZB J62 022-89 from the date of implementation.
Appendix A and Appendix B of this standard are all suggested hints.
This standard was proposed and managed by the National Standardization Technical Committee of Forging Machinery.
This standard is drafted by: Jinan Foundry Forging Machinery Research Institute.
This standard was first released in March 1989.
1 Scope This standard specifies the safety technical requirements that the joint punching and shearing machine design and manufacturing must comply with.
This standard applies to joint punching machines (hereinafter referred to as punching machines). Joint cutter can also refer to use.
2 Reference Standards The following standards contain provisions that, through reference in this standard, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards will be revised and all parties using this standard should explore the possibility of using the latest version of the following standards.
GB 2893—1982 Safety Colours GB 2894-1996 Safety Signs GB/T 3766—1983 General technical specifications of hydraulic systems GB 5083—1998 Safety and Hygiene Design General Rules for Production Equipment GB/T 5226.1—1996 Electrical equipment for industrial machinery Part 1: General Technical conditions GB 6527.2—1986 Guidelines for the use of safe colors GB 17120—1997 Safety technical conditions for forging machines JB/T 6102.1—1999 Accuracy of joint punching machines 3 General safety requirements 3.1 Design and manufacture of punching shears must be Meet the requirements of GB 5083 and GB 17120.
3.2 The strength, stiffness and stability of the main parts of the punching machine shall be guaranteed to meet the requirements of use. Breakage and breakage shall not occur during the service life of the punching machine.
3.3 Any parts of the punching machine should not be loosened or detached during operation. The fasteners used should be prevented from loosening.
3.4 Each station of punching and shearing machine should ensure sufficient illumination, and generally should be equipped with lighting devices.
3.5 The design of the fuselage and other exposed parts shall not include any dangerous parts such as acute angles, sharp edges, or protrusions, without affecting the functions of the punching machine.
4 Safety requirements for transmission and control systems 4.1 Transmission system 4.1.1 The flywheel shall rotate smoothly and its circular runout shall comply with the provisions of G6 of JB/T 6102.1-1999, and the direction of rotation shall meet the requirements. symbols of.
4.1.2 For the moving parts that are accessible to personnel, such as motor pulleys, belts, transmission shafts, transmission gears, flywheels, etc., safety protection devices shall be installed.
4.1.3 The design safety requirements for hydraulic systems are to comply with the provisions of 1.2 of GB/T 3766-1983.
4.1.4 When the hydraulic system suddenly loses pressure or is interrupted, the system should have safety protection measures.
4.2 Control System 4.2.1 Clutch and Brake 4.2.1.1 The punch and shear shall have the function of single stroke and continuous stroke.
4.2.1.2 The requirements for clutches and brakes are to comply with the provisions of Chapter 6 of GB 17120-1997.
4.2.2 Operating devices 4.2.2.1 Mechanical rigid pedal-operated mechanisms should not be used.
4.2.2.2 The controls must be installed correctly and securely.
4.2.2.3 The foot switch shall be protected by a safety guard on the upper part and both sides.
4.2.2.4 The foot switch shall be flexible and reliable. The return spring used must be a compression spring.
4.2.2.5 When operating with the handle, there shall be means to prevent the handle from being accidentally actuated and causing the shear to malfunction.
4.2.2.6 The selector switch of the work specification shall carry the key. When the selection switch is selected in the continuous stroke specification, there should be a pre-action on the control mode, and then it can achieve a continuous trip work.
4.2.3 Pneumatic system 4.2.3.1 When the air pressure disappears or the air supply is interrupted, there should be safety protection measures.
4.2.3.2 The pneumatic system shall have means to prevent foreign contaminants from entering the system.
4.2.3.3 Pneumatic components and pressure vessels shall comply with the relevant standards.
4.2.4 The electrical system shall comply with the relevant safety provisions in GB/T 5226.1.
5 Safety requirements for balancing devices 5.1 The punching shears shall have sliders and tool holder balancing devices.
5.2 The balance device shall be able to reliably balance in any position of the stroke when the connecting rod, piston rod, spring and other parts break, loose, supply liquid interruption, loss of pressure and other abnormal conditions occur, so that the working components do not fall .
6 Safety devices 6.1 Requirements for safety devices Safety devices must comply with at least one of the following conditions:
a) During the work journey, it is impossible for any part of the operator's body to enter dangerous areas of work;
b) During the working journey, when any part of the operator's body enters the working danger zone, the slider and the knife rest shall be able to immediately stop working.
6.2 Types of safety devices Safety devices can be classified into safety devices and safety devices.
The safety protection device refers to a device that itself directly participates in the protection of personal safety.
The safety control device means that it does not directly participate in the protection of personal safety, but sends a signal through it to control the braking device to brake the working part to achieve the personal protection function.
6.2.1 The safety protection device mainly has the following types:
a) Fixed: refers to a safety device that is fixed with screws and can only be removed with a tool;
b) Chain-type: Only after the safety protection device is closed, the working part can work, and it should stop working after opening;
c) Adjustable: safety protection device that can adapt to work needs and can adjust the size of the opening;
d) Others: Some safety devices with special requirements.
6.2.2 The safety control device is mainly divided into light type and inductive type.
6.3 Technical Requirements for Safety Devices 6.3.1 Technical Requirements for Safety Protective Devices 6.3.1.1 Hand (finger) can be prevented from entering the work-at-risk area around or through the device.
6.3.1.2 The device should not be pressed or touched with moving parts.
6.3.1.3 The device shall have sufficient strength and rigidity.
6.3.1.4 The device shall not obstruct observation, operation and maintenance.
6.3.1.5 The installation of the device shall be correct and firm. The relationship between the permitted safety opening between the device and the feed table and the distance from the safety opening to the working danger zone shall comply with the requirements of Table A1 in Appendix A (Note to the Guidance).
6.3.1.6 Mesh-type devices shall be constructed so that the operator cannot pass through the mesh and enter dangerous areas of work. The mesh size shall be less than 16 mm × 16 mm.
6.3.1.7 Devices using a fence structure must be constructed so that the operator cannot enter the working danger zone through the fence, and the fence spacing should not exceed 32 mm.
6.3.1.8 Adjustable guardrail design shall comply with the provisions of A2 in Appendix A.
6.3.2 The safety control device shall comply with the provisions of Chapter 13 of GB 17120-1997.
7 Safety Protection in Working Hazardous Areas 7.1 Each station shall use at least one of the safety devices specified in 6.2.1 and 6.2.2 for safety protection.
7.2 Work hazard The working parts shall be painted with a warning color or marked with a warning sign and shall comply with the provisions of GB 2893, GB 2894 and GB 6527.2.
7.3 Design of safety devices for operating stations 7.3.1 The safety devices for punching stations shall be designed in accordance with the requirements of 6.1. The type of the safety devices for punching stations may refer to the provisions of Bl in Appendix B (Appendix of the Guidance).
7.3.2 Profile cutting station 7.3.2. The type of feed side can refer to Appendix B B2.1.
7.3.2.2 The movable edge shall be equipped on the cutting edge. The type of the cover may refer to Appendix B B2.2.
7.3.3 Section shearing station 7.3.3.1 The feeding side can be found in Appendix B B3.1.
7.3.3.2 The side of the shearing knife can refer to the provisions of B3.2 in Appendix B.
7.3.3.3 The moving edge shall be equipped with the movable cover. The type of the cover may refer to Appendix B B3.3.
7.3.4 Molding and cutting station should be equipped with adjustable safety protection device. Its type can refer to Appendix B B4.
This standard is a revision of ZB J62 022-89 "Safety Technical Conditions for Joint Pressing Machines". This standard and the technical content of ZB J62 022-89 are basically the same, only according to the relevant provisions of the re-editing.
This standard has been implemented since January 1, 2000.
This standard replaces ZB J62 022-89 from the date of implementation.
Appendix A and Appendix B of this standard are all suggested hints.
This standard was proposed and managed by the National Standardization Technical Committee of Forging Machinery.
This standard is drafted by: Jinan Foundry Forging Machinery Research Institute.
This standard was first released in March 1989.
1 Scope This standard specifies the safety technical requirements that the joint punching and shearing machine design and manufacturing must comply with.
This standard applies to joint punching machines (hereinafter referred to as punching machines). Joint cutter can also refer to use.
2 Reference Standards The following standards contain provisions that, through reference in this standard, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards will be revised and all parties using this standard should explore the possibility of using the latest version of the following standards.
GB 2893—1982 Safety Colours GB 2894-1996 Safety Signs GB/T 3766—1983 General technical specifications of hydraulic systems GB 5083—1998 Safety and Hygiene Design General Rules for Production Equipment GB/T 5226.1—1996 Electrical equipment for industrial machinery Part 1: General Technical conditions GB 6527.2—1986 Guidelines for the use of safe colors GB 17120—1997 Safety technical conditions for forging machines JB/T 6102.1—1999 Accuracy of joint punching machines 3 General safety requirements 3.1 Design and manufacture of punching shears must be Meet the requirements of GB 5083 and GB 17120.
3.2 The strength, stiffness and stability of the main parts of the punching machine shall be guaranteed to meet the requirements of use. Breakage and breakage shall not occur during the service life of the punching machine.
3.3 Any parts of the punching machine should not be loosened or detached during operation. The fasteners used should be prevented from loosening.
3.4 Each station of punching and shearing machine should ensure sufficient illumination, and generally should be equipped with lighting devices.
3.5 The design of the fuselage and other exposed parts shall not include any dangerous parts such as acute angles, sharp edges, or protrusions, without affecting the functions of the punching machine.
4 Safety requirements for transmission and control systems 4.1 Transmission system 4.1.1 The flywheel shall rotate smoothly and its circular runout shall comply with the provisions of G6 of JB/T 6102.1-1999, and the direction of rotation shall meet the requirements. symbols of.
4.1.2 For the moving parts that are accessible to personnel, such as motor pulleys, belts, transmission shafts, transmission gears, flywheels, etc., safety protection devices shall be installed.
4.1.3 The design safety requirements for hydraulic systems are to comply with the provisions of 1.2 of GB/T 3766-1983.
4.1.4 When the hydraulic system suddenly loses pressure or is interrupted, the system should have safety protection measures.
4.2 Control System 4.2.1 Clutch and Brake 4.2.1.1 The punch and shear shall have the function of single stroke and continuous stroke.
4.2.1.2 The requirements for clutches and brakes are to comply with the provisions of Chapter 6 of GB 17120-1997.
4.2.2 Operating devices 4.2.2.1 Mechanical rigid pedal-operated mechanisms should not be used.
4.2.2.2 The controls must be installed correctly and securely.
4.2.2.3 The foot switch shall be protected by a safety guard on the upper part and both sides.
4.2.2.4 The foot switch shall be flexible and reliable. The return spring used must be a compression spring.
4.2.2.5 When operating with the handle, there shall be means to prevent the handle from being accidentally actuated and causing the shear to malfunction.
4.2.2.6 The selector switch of the work specification shall carry the key. When the selection switch is selected in the continuous stroke specification, there should be a pre-action on the control mode, and then it can achieve a continuous trip work.
4.2.3 Pneumatic system 4.2.3.1 When the air pressure disappears or the air supply is interrupted, there should be safety protection measures.
4.2.3.2 The pneumatic system shall have means to prevent foreign contaminants from entering the system.
4.2.3.3 Pneumatic components and pressure vessels shall comply with the relevant standards.
4.2.4 The electrical system shall comply with the relevant safety provisions in GB/T 5226.1.
5 Safety requirements for balancing devices 5.1 The punching shears shall have sliders and tool holder balancing devices.
5.2 The balance device shall be able to reliably balance in any position of the stroke when the connecting rod, piston rod, spring and other parts break, loose, supply liquid interruption, loss of pressure and other abnormal conditions occur, so that the working components do not fall .
6 Safety devices 6.1 Requirements for safety devices Safety devices must comply with at least one of the following conditions:
a) During the work journey, it is impossible for any part of the operator's body to enter dangerous areas of work;
b) During the working journey, when any part of the operator's body enters the working danger zone, the slider and the knife rest shall be able to immediately stop working.
6.2 Types of safety devices Safety devices can be classified into safety devices and safety devices.
The safety protection device refers to a device that itself directly participates in the protection of personal safety.
The safety control device means that it does not directly participate in the protection of personal safety, but sends a signal through it to control the braking device to brake the working part to achieve the personal protection function.
6.2.1 The safety protection device mainly has the following types:
a) Fixed: refers to a safety device that is fixed with screws and can only be removed with a tool;
b) Chain-type: Only after the safety protection device is closed, the working part can work, and it should stop working after opening;
c) Adjustable: safety protection device that can adapt to work needs and can adjust the size of the opening;
d) Others: Some safety devices with special requirements.
6.2.2 The safety control device is mainly divided into light type and inductive type.
6.3 Technical Requirements for Safety Devices 6.3.1 Technical Requirements for Safety Protective Devices 6.3.1.1 Hand (finger) can be prevented from entering the work-at-risk area around or through the device.
6.3.1.2 The device should not be pressed or touched with moving parts.
6.3.1.3 The device shall have sufficient strength and rigidity.
6.3.1.4 The device shall not obstruct observation, operation and maintenance.
6.3.1.5 The installation of the device shall be correct and firm. The relationship between the permitted safety opening between the device and the feed table and the distance from the safety opening to the working danger zone shall comply with the requirements of Table A1 in Appendix A (Note to the Guidance).
6.3.1.6 Mesh-type devices shall be constructed so that the operator cannot pass through the mesh and enter dangerous areas of work. The mesh size shall be less than 16 mm × 16 mm.
6.3.1.7 Devices using a fence structure must be constructed so that the operator cannot enter the working danger zone through the fence, and the fence spacing should not exceed 32 mm.
6.3.1.8 Adjustable guardrail design shall comply with the provisions of A2 in Appendix A.
6.3.2 The safety control device shall comply with the provisions of Chapter 13 of GB 17120-1997.
7 Safety Protection in Working Hazardous Areas 7.1 Each station shall use at least one of the safety devices specified in 6.2.1 and 6.2.2 for safety protection.
7.2 Work hazard The working parts shall be painted with a warning color or marked with a warning sign and shall comply with the provisions of GB 2893, GB 2894 and GB 6527.2.
7.3 Design of safety devices for operating stations 7.3.1 The safety devices for punching stations shall be designed in accordance with the requirements of 6.1. The type of the safety devices for punching stations may refer to the provisions of Bl in Appendix B (Appendix of the Guidance).
7.3.2 Profile cutting station 7.3.2. The type of feed side can refer to Appendix B B2.1.
7.3.2.2 The movable edge shall be equipped on the cutting edge. The type of the cover may refer to Appendix B B2.2.
7.3.3 Section shearing station 7.3.3.1 The feeding side can be found in Appendix B B3.1.
7.3.3.2 The side of the shearing knife can refer to the provisions of B3.2 in Appendix B.
7.3.3.3 The moving edge shall be equipped with the movable cover. The type of the cover may refer to Appendix B B3.3.
7.3.4 Molding and cutting station should be equipped with adjustable safety protection device. Its type can refer to Appendix B B4.
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