The welding machine used on site should be equipped with a rainproof, moisture-proof, sun-proof machine shed.
Welding machine power lines and special switch box set up, should meet the requirements of the safe use of welding machines, and must be installed with a secondary no-load voltage reduction protection device and anti-electric shock protection device. Welding machine switch box and power line wiring and line troubleshooting must be carried out by professional electricians.
No welding in the open air on rainy days. When working in the wet area, the operator should stand in the place where the insulated items are laid, and should wear insulated shoes.
Welder wire should be well insulated, and shall not be placed near hot objects. Welding machine wire and welding ground wire shall not be hitched on the flammable, explosive and with the heat source of the goods, ground wire shall not be connected to the pipeline, machine tool equipment and building metal frame or track.
Welding machine wire length should not be greater than 30m, when the need to add wire, should increase the cross-section of the wire accordingly. When the conductor through the road, must be elevated or penetrate into the protective tube buried in the ground; when passing through the track, must be from under the track through. When the conductor insulation is damaged or broken strands, it should be replaced immediately.
Electric welding pliers should be well insulated and heat insulation. Electric welding pliers grip must be well insulated, grip and wire connection should be secure, good contact, the connection should be wrapped with insulating cloth and not exposed.
Strictly prohibited in the operation of the pressure pipeline, containers containing flammable and explosive substances and load bearing components on the welding.
When welding in the container, the following measures must be taken:
1, the container must be reliably grounded, the welder and the weldment should be insulated.
2, the container must have inlet and outlet and set up ventilation equipment. It is strictly prohibited to input oxygen into the container.
3, the lighting voltage inside the container shall not exceed 12V.
4, welding must be present to monitor.
5, it is strictly prohibited to weld in the container that has been sprayed with paint and plastic.
When welding or cutting at high places, there should be a reliable working platform, must hang the safety belt. Welding and cutting place around and below should take the prescribed fire prevention measures and should be supervised.
Multiple welders in a concentrated welding, welding platform or welding must be grounded, and there should be a light barrier. Welding copper, aluminum, zinc and other non-ferrous metals, must be carried out in a well-ventilated place, the welder should wear a gas mask or breathing filter.
Replacement site to move the welding handle wire, should cut off the power supply. Operators shall not use their arms to clamp the electric welding pliers. It is prohibited to climb ladders and heights with the handle wire in hand.
Removal of welding slag, should wear protective glasses or mask, head should avoid knocking welding slag splash direction.
The end of the work, should cut off the power supply of the welder, lock the switch box, and check the work and the surrounding places, confirm that no fire hazard before leaving.