Wear of protective equipment
1. Use the welder to wear protective equipment as required, including: dust-proof gas masks or masks, insulated shoes, welder overalls, glasses or masks with special filter lenses.
2. It is strictly forbidden to wear chemical fiber clothing, short sleeves, shorts, sandals, and women workers must be tied in the work cap.
3. Wear a safety helmet and fasten your seat belt at high altitude.
Inspection of welding equipment, utensils and working environment
1. Before the welder starts welding, carefully check whether the tools and equipment are in good condition, such as: switch, power cord, cable, grounding protection wire of electric welder casing, electric welding tongs, etc. for inspection and testing. There must be no loose or false connections.
2. Before using the welder, check whether the electrical circuit is intact, between the primary and secondary windings of the welder, between the winding and the iron core, between the winding, the lead and the outer casing, and the insulation resistance shall not be less than 0.5 megohm.
3. Check that the welding torch handle is in good condition. When the welding tongs are not in use, they should be placed on the insulator.
4. The power distribution system switch and leakage protection device of the welding machine must be sensitive and effective. The secondary wide-load step-down protector must be installed in the switch box. The wire insulation must be good. Check the distribution box, it should be closed firmly, and the power supply indication is correct.
5. It is forbidden to contact the wire and ground wire with the wire rope, and it is not allowed to replace the zero wire with bare conductors or electromechanical equipment such as scaffolding, wire rope and iron plate. The welding wire is not allowed to be placed on flammable or explosive pipes or machine tools. The wire and wire must be good.
6. Before work, carefully check whether the surrounding working environment is allowed to be welded. After confirming that it is normal, you can start work. Before operation, you must check whether there are any inflammable and explosive materials around. If you have, you must remove it to work.
7. The input and output wire ends of the welding machine should be firmly connected, and there should be a reliable grounding wire. The welding clamp insulation device should be complete and the working temperature of the welding machine should not exceed 60 °C~70 °C.
8. Pay attention to check the welder and regulator during the operation. If the temperature exceeds 60 °C, it should be cooled. The secondary voltage during electric welding shall not deviate from 60-80V (volts); if the fault is found, the wire is damaged, and the fuse is repeatedly blown, it shall be shut down for repair or replacement.
Safety regulations during welding
1. When closing the knife switch, the left hand should be closed, the human body should be skewed, the head should be on the side of the switch, and the gloves and shoes should not be wet. When turning on the electric switch, push it in once and then turn on the welding machine; when stopping, turn off the welding machine and then turn off the power switch.
2. Pay attention to protect the handlebars and return wires from mechanical damage. When the handlebars and return wires need to pass through the railway, they should pass under the track.
3. Weld the sealed container and open the hole to establish insulation protection.
4. Solder in container or closed metal container, the container must be grounded reliably, well ventilated, and should be supervised; harmful smoke should be discharged to prevent poisoning; paint inside the container is not allowed to be welded; it is strictly prohibited to input oxygen into the container. . At least 2 people must work together, one person to operate, one person to monitor and protect.
5. When the construction welding site is wet, the welder should work on the dry insulation board or rubber pad. The matching personnel should wear insulated shoes or stand on the insulation board or rubber pad.
6. When welding in places with toxic substances, the residuals should be removed. After passing the test, the ventilation can be strengthened. Workers should wear anti-virus masks, protect all the workers in the workplace, and take reliable safety measures.
7. When welding the preheated workpiece, there should be insulation measures such as asbestos cloth or baffle.
8. When removing weld slag, wear protective glasses or a mask. The head should avoid the splashing direction of the slag to prevent the iron slag from splashing and injuring people.
9. When using arc gouging to clear the root, wear protective glasses or a mask to prevent the iron slag from splashing and injuring people.
10. When multiple welders are welded together at the same time, the welding platform or weldment must be grounded and a light shield should be installed.
11. When turning the machine for welding, it must be powered off and have a safety sign of “repair construction, no operation†or a special person responsible for guarding.
12. When welding various tire types and heavy objects, the workpiece must be placed in a stable position. Two or more people should lift the work and coordinate the movements so as not to hurt the hands and feet.
13. If there is a sudden power failure during welding, the welding machine should be shut down immediately. When the welder fails or leaks, immediately turn off the power and contact the electrical maintenance personnel for repair.
14. Corresponding protective measures should be taken in the welding of high places, special personnel should be set in the work process; safety belts should be fastened in high-altitude operations, work points should be firm, welding rod tools should be placed well to prevent falling down, and safety measures should be taken below. And fire prevention measures, special personnel to monitor, pay attention to safe work such as pedestrians. It is strictly forbidden to climb the ladder by hand.
15. If the welding machine is faulty or the wire is damaged or the fuse is repeatedly blown, it should be stopped and reported to the personnel for repair.
16. When moving the welding machine or pulling the cable to a distant place, the power must be cut off before moving. When pulling the handlebar, take care to prevent the pneumatic clamp valve from being shaken to prevent the clamp from being accidentally injured.
17. When changing the site, the power should be cut off when moving the wire. Gloves should be worn when replacing the electrode.
18. When rain or rain is leaking, the welder should be covered. All wires and handlebars should be placed on a dry or non-conducting building.
19. When using cranes for welding heavy work, the safety regulations for cranes and cranes should be strictly observed to check whether the ropes, cranes and fixtures meet the safety requirements. When lifting, the binding is firm, not tilted, and should be closed by the surrounding staff.
20. Pay attention to safety when welding on tyres, delivery lines and other moving sites.
21. When working near high-voltage lines, it must be approved by the safety and technical department and necessary safety measures before welding.
22. When welding on the back side, tighten the collar and cuffs to prevent sparks.
23. Safety glasses must be worn when welding rusted work, descaling or removing the slag coat.
24. Soldering hot parts should not be placed on wires, acetylene rubber hoses and oxygen cylinders, oxygen rubber hoses and safety roads. They should be placed in a specified or safe place.
25. When moving the welder, it is not allowed to use the wire or other wires as a bundled rope by hand.
26. It is strictly forbidden to weld the parts or places where the flammable materials can be used as insulation, cooling layer, sound insulation or heat insulation before Mars can be splashed.
27. When welding containers containing flammable, explosive or toxic liquids or gases (such as steel cylinders, fuel tanks, tank trucks, etc.), they must be cleaned with cleaning liquid, etc. After confirming safety, open the hole cover or leave 30mm. After the vent, the square is welded.
28. When welding in the pit or boiler container, special personnel should be provided for monitoring; when welding the lower pit, check whether there is toxic gas; it is forbidden to use gas lamps or lamps with voltage exceeding 12V in the pit.
29. During work, do not touch the inside of the welder to avoid electric shock; the electrode head should not be littered and should be placed in a designated safe place.
30. When working at heights, the following rules should also be observed:
The wooden ladder used must not have decay and lack of defects. The ladder should be placed firmly and at an angle of 60° to 70° with the ground. It is not allowed to use the two ladders together. It is not allowed to climb on the top two of the ladder.
Hang up the seat belt. The tools used are applied by ropes and are not allowed to be thrown at the bottom.
Within 10m below the high-level operation, no flammable or explosive materials shall be allowed, and guardians shall be provided.
When working at heights, the welding wire should be hung in a safe and reliable place with guardians on the ground. It is not allowed to wrap the pipeline around the body, up, down and work.
Fire safety regulations for welding operations
1. When welding in a place where combustibles are present, and in the diffusion area where flammable or explosive gases or liquids are welded, the hot fire approval procedures should be strictly applied before welding, and after sufficient preparation, at the specified time and prescribed Welding is done in the location.
2. During construction, the surrounding flammable or explosive materials should be removed or reliable protective measures should be taken.
3. When welding on the used tank, it is necessary to find out whether there is flammable or explosive gas or material. It is strictly forbidden to weld before the fire is found.
4. If there is a work in the vicinity that is in conflict with the open fire operation (such as paint), welding is strictly prohibited.
5. When the arc is cut or welded with non-ferrous metals and the surface is coated with oil, etc., the working environment should be good, and people should be in the upwind.
6. When welding is on fire, the power of the welding machine should be cut off first, then fire extinguishers such as carbon dioxide and 1211 dry powder should be used to extinguish the fire. It is forbidden to use foam fire extinguishers.
7. In places where there is a risk of fire or explosion, welding operations are generally not allowed. Equipment that needs to be repaired should be removed and moved to a safe place for repair. When welding at these locations, the hot fire system should be strictly enforced. The place where the welding work is required should be kept at a sufficient safety distance from the inflammable and explosive workshops, warehouses, oil depots, gas cabinets, stacks, etc., and as far as possible away from the production of flammable and explosive devices, equipment and pipelines.
8. The construction of key projects and key parts should be determined by special personnel for guardianship. When conducting arc welding in key projects and key parts, there should be scientific and reasonable safety guarantee measures, technical solutions are feasible, and special care, construction guidance, and fire-fighting equipment are prepared to ensure safe construction.
9. Immediately after the completion of the construction work, the fire should be eliminated, the work site should be thoroughly cleaned, and the monitoring should be carried out for a period of time. If there is no problem, leave the site and leave no dead ends.
Wear of protective equipment
1. Use the welder to wear protective equipment as required, including: dust-proof gas masks or masks, insulated shoes, welder overalls, glasses or masks with special filter lenses.
2. It is strictly forbidden to wear chemical fiber clothing, short sleeves, shorts, sandals, and women workers must be tied in the work cap.
3. Wear a safety helmet and fasten your seat belt at high altitude.
Inspection of welding equipment, utensils and working environment
1. Before the welder starts welding, carefully check whether the tools and equipment are in good condition, such as: switch, power cord, cable, grounding protection wire of electric welder casing, electric welding tongs, etc. for inspection and testing. There must be no loose or false connections.
2. Before using the welder, check whether the electrical circuit is intact, between the primary and secondary windings of the welder, between the winding and the iron core, between the winding, the lead and the outer casing, and the insulation resistance shall not be less than 0.5 megohm.
3. Check that the welding torch handle is in good condition. When the welding tongs are not in use, they should be placed on the insulator.
4. The power distribution system switch and leakage protection device of the welding machine must be sensitive and effective. The secondary wide-load step-down protector must be installed in the switch box. The wire insulation must be good. Check the distribution box, it should be closed firmly, and the power supply indication is correct.
5. It is forbidden to contact the wire and ground wire with the wire rope, and it is not allowed to replace the zero wire with bare conductors or electromechanical equipment such as scaffolding, wire rope and iron plate. The welding wire is not allowed to be placed on flammable or explosive pipes or machine tools. The wire and wire must be good.
6. Before work, carefully check whether the surrounding working environment is allowed to be welded. After confirming that it is normal, you can start work. Before operation, you must check whether there are any inflammable and explosive materials around. If you have, you must remove it to work.
7. The input and output wire ends of the welding machine should be firmly connected, and there should be a reliable grounding wire. The welding clamp insulation device should be complete and the working temperature of the welding machine should not exceed 60 °C~70 °C.
8. Pay attention to check the welder and regulator during the operation. If the temperature exceeds 60 °C, it should be cooled. The secondary voltage during electric welding shall not deviate from 60-80V (volts); if the fault is found, the wire is damaged, and the fuse is repeatedly blown, it shall be shut down for repair or replacement.
Safety regulations during welding
1. When closing the knife switch, the left hand should be closed, the human body should be skewed, the head should be on the side of the switch, and the gloves and shoes should not be wet. When turning on the electric switch, push it in once and then turn on the welding machine; when stopping, turn off the welding machine and then turn off the power switch.
2. Pay attention to protect the handlebars and return wires from mechanical damage. When the handlebars and return wires need to pass through the railway, they should pass under the track.
3. Weld the sealed container and open the hole to establish insulation protection.
4. Solder in container or closed metal container, the container must be grounded reliably, well ventilated, and should be supervised; harmful smoke should be discharged to prevent poisoning; paint inside the container is not allowed to be welded; it is strictly prohibited to input oxygen into the container. . At least 2 people must work together, one person to operate, one person to monitor and protect.
5. When the construction welding site is wet, the welder should work on the dry insulation board or rubber pad. The matching personnel should wear insulated shoes or stand on the insulation board or rubber pad.
6. When welding in places with toxic substances, the residuals should be removed. After passing the test, the ventilation can be strengthened. Workers should wear anti-virus masks, protect all the workers in the workplace, and take reliable safety measures.
7. When welding the preheated workpiece, there should be insulation measures such as asbestos cloth or baffle.
8. When removing weld slag, wear protective glasses or a mask. The head should avoid the splashing direction of the slag to prevent the iron slag from splashing and injuring people.
9. When using arc gouging to clear the root, wear protective glasses or a mask to prevent the iron slag from splashing and injuring people.
10. When multiple welders are welded together at the same time, the welding platform or weldment must be grounded and a light shield should be installed.
11. When turning the machine for welding, it must be powered off and have a safety sign of “repair construction, no operation†or a special person responsible for guarding.
12. When welding various tire types and heavy objects, the workpiece must be placed in a stable position. Two or more people should lift the work and coordinate the movements so as not to hurt the hands and feet.
13. If there is a sudden power failure during welding, the welding machine should be shut down immediately. When the welder fails or leaks, immediately turn off the power and contact the electrical maintenance personnel for repair.
14. Corresponding protective measures should be taken in the welding of high places, special personnel should be set in the work process; safety belts should be fastened in high-altitude operations, work points should be firm, welding rod tools should be placed well to prevent falling down, and safety measures should be taken below. And fire prevention measures, special personnel to monitor, pay attention to safe work such as pedestrians. It is strictly forbidden to climb the ladder by hand.
15. If the welding machine is faulty or the wire is damaged or the fuse is repeatedly blown, it should be stopped and reported to the personnel for repair.
16. When moving the welding machine or pulling the cable to a distant place, the power must be cut off before moving. When pulling the handlebar, take care to prevent the pneumatic clamp valve from being shaken to prevent the clamp from being accidentally injured.
17. When changing the site, the power should be cut off when moving the wire. Gloves should be worn when replacing the electrode.
18. When rain or rain is leaking, the welder should be covered. All wires and handlebars should be placed on a dry or non-conducting building.
19. When using cranes for welding heavy work, the safety regulations for cranes and cranes should be strictly observed to check whether the ropes, cranes and fixtures meet the safety requirements. When lifting, the binding is firm, not tilted, and should be closed by the surrounding staff.
20. Pay attention to safety when welding on tyres, delivery lines and other moving sites.
21. When working near high-voltage lines, it must be approved by the safety and technical department and necessary safety measures before welding.
22. When welding on the back side, tighten the collar and cuffs to prevent sparks.
23. Safety glasses must be worn when welding rusted work, descaling or removing the slag coat.
24. Soldering hot parts should not be placed on wires, acetylene rubber hoses and oxygen cylinders, oxygen rubber hoses and safety roads. They should be placed in a specified or safe place.
25. When moving the welder, it is not allowed to use the wire or other wires as a bundled rope by hand.
26. It is strictly forbidden to weld the parts or places where the flammable materials can be used as insulation, cooling layer, sound insulation or heat insulation before Mars can be splashed.
27. When welding containers containing flammable, explosive or toxic liquids or gases (such as steel cylinders, fuel tanks, tank trucks, etc.), they must be cleaned with cleaning liquid, etc. After confirming safety, open the hole cover or leave 30mm. After the vent, the square is welded.
28. When welding in the pit or boiler container, special personnel should be provided for monitoring; when welding the lower pit, check whether there is toxic gas; it is forbidden to use gas lamps or lamps with voltage exceeding 12V in the pit.
29. During work, do not touch the inside of the welder to avoid electric shock; the electrode head should not be littered and should be placed in a designated safe place.
30. When working at heights, the following rules should also be observed:
The wooden ladder used must not have decay and lack of defects. The ladder should be placed firmly and at an angle of 60° to 70° with the ground. It is not allowed to use the two ladders together. It is not allowed to climb on the top two of the ladder.
Hang up the seat belt. The tools used are applied by ropes and are not allowed to be thrown at the bottom.
Within 10m below the high-level operation, no flammable or explosive materials shall be allowed, and guardians shall be provided.
When working at heights, the welding wire should be hung in a safe and reliable place with guardians on the ground. It is not allowed to wrap the pipeline around the body, up, down and work.
Fire safety regulations for welding operations
1. When welding in a place where combustibles are present, and in the diffusion area where flammable or explosive gases or liquids are welded, the hot fire approval procedures should be strictly applied before welding, and after sufficient preparation, at the specified time and prescribed Welding is done in the location.
2. During construction, the surrounding flammable or explosive materials should be removed or reliable protective measures should be taken.
3. When welding on the used tank, it is necessary to find out whether there is flammable or explosive gas or material. It is strictly forbidden to weld before the fire is found.
4. If there is a work in the vicinity that is in conflict with the open fire operation (such as paint), welding is strictly prohibited.
5. When the arc is cut or welded with non-ferrous metals and the surface is coated with oil, etc., the working environment should be good, and people should be in the upwind.
6. When welding is on fire, the power of the welding machine should be cut off first, then fire extinguishers such as carbon dioxide and 1211 dry powder should be used to extinguish the fire. It is forbidden to use foam fire extinguishers.
7. In places where there is a risk of fire or explosion, welding operations are generally not allowed. Equipment that needs to be repaired should be removed and moved to a safe place for repair. When welding at these locations, the hot fire system should be strictly enforced. The place where the welding work is required should be kept at a sufficient safety distance from the inflammable and explosive workshops, warehouses, oil depots, gas cabinets, stacks, etc., and as far as possible away from the production of flammable and explosive devices, equipment and pipelines.
8. The construction of key projects and key parts should be determined by special personnel for guardianship. When conducting arc welding in key projects and key parts, there should be scientific and reasonable safety guarantee measures, technical solutions are feasible, and special care, construction guidance, and fire-fighting equipment are prepared to ensure safe construction.
9. Immediately after the completion of the construction work, the fire should be eliminated, the work site should be thoroughly cleaned, and the monitoring should be carried out for a period of time. If there is no problem, leave the site and leave no dead ends.
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