How to write the production content of safety activities of welding team

1. Protective equipment (welding suits, labor protection gloves, protective glasses, etc.) must be worn before work. 2. Before using the welder, check whether the electrical circuit is intact and whether the secondary coil and shell are well grounded. 3. Before operation, you must check whether there are flammable and explosive items around. If there are any, you must move 10 meters away before working. 4. Before starting the welding machine, check whether the insulation of the welding clamp handle is intact. When the welding clamp is not in use, it should be placed on an insulator. 5. When pushing and pulling the switch, the human body should stand at an angle, push and pull enough at one time, and then start the welding machine. When parking, turn off the welding machine first and then turn on the switch. 6. The welding workbench must be equipped with a screen and light shield. Do not look directly at the arc with the naked eye. 7. It is strictly prohibited to weld closed containers and flammable containers such as rosin cylinders, banana water cylinders, and hydrogen cylinders, otherwise an explosion accident may occur. 8. When moving the welding machine, the power supply must be cut off first. If there is a sudden power outage during welding, the welding machine should be turned off immediately. 9. If the welding machine malfunctions or if the wires are damaged, leakage, or the fuse repeatedly blows out, stop using it and report it to the relevant personnel for repair. 10. When leaving get off work, turn off the power and tidy up the power cord and welding cables.

(1) Inflammable and explosive items shall not be piled within 10m around the welding operation site. (2) Open-air operations are not allowed in weather conditions with rain, snow, and winds above Level 6 (including Level 6). After rain or snow, accumulated water and snow should be removed before work can be performed. (3) Before operation, you should first check the welding machine and tools, such as the insulation of the welding clamp and welding cable, the protective grounding of the welding machine shell and the wiring points of the welding machine, etc., and ensure that they are safe and qualified before operating. (4) Welding and cutting are strictly prohibited in areas where flammable and explosive gases or liquids diffuse, in operating pressure pipelines, containers containing flammable and explosive materials, and on stressed components. (5) When welding containers that have stored flammable or explosive items, they should be replaced and cleaned multiple times according to the medium, and all openings should be opened. Welding can only be carried out after testing and confirmation of safety. (6) When welding in a sealed container, ventilation measures should be taken, and welders should rest outside during intermittent operations. The lighting voltage inside the container must not exceed 12V. The welder's body should be isolated from the welding parts by insulating materials. Special personnel must be provided for supervision during welding, and the supervision personnel should be familiar with the welding operating procedures and rescue methods. (7) When welding copper, aluminum, lead, and zinc alloy metals, you must wear protective equipment and work in a well-ventilated area. When welding in hazardous media locations, anti-virus measures should be taken, and forced ventilation should be provided when necessary. (8) When the welding site is humid or the welder's clothes are wet due to sweating, it is strictly forbidden to lean on the live steel plate or workpiece. The welder should work on a dry insulating board or rubber pad, and the cooperating personnel should wear insulating shoes or stand on the insulating board. superior. (9) During the welding process, the temporary grounding wire head is strictly prohibited from floating. It must be fixed, pressed tightly, and tightly wrapped with tape.

(1) The power must be cut off when encountering abnormal conditions during operation. ① When changing the welding machine connector. ② When replacing the weldment and requiring the secondary circuit to be reconnected. ③ When moving the work location for welding. ④ When the welding machine breaks down and needs to be repaired. ⑤ When replacing the fuse. ⑥ When the work is completed or the operator temporarily leaves the operating site. (2) Welders working at heights must comply with the following regulations: ⑦ Standard fireproof safety belts must be used and tied to a reliable structure. ⑧ A guardrail must be set up 5m directly below the operating point, and a dedicated person must be assigned to monitor it. Inflammable and explosive items must be removed from the area below the work site. ⑨ A helmet-type mask must be worn. The welding cable should be tied tightly to a fixed place, and it is strictly prohibited to wrap it around the body or put it on the back for work. ⑩ The welder must work on a stable operating platform. The welder must be balanced and firm and equipped with a good grounding protection device. (3) During operation, it is strictly prohibited to hold the welding clamp under the arm to move the workpiece to be welded or to hang the welding cable around the neck. (4) During welding, the secondary ground wire must be double-wired. It is strictly prohibited to use metal pipes, metal scaffolding, tracks and structural steel bars as loop ground wires. The welding wire is not damaged and the insulation is good. The welding handle wire must be equipped with a welding machine electric shock protector. (5) When the welding cable passes through the road, it must be elevated or other protective measures must be taken.

(6) The welding handle wire must not be placed near the arc or next to the hot welding seam, and the welding handle wire must not be rolled over. Measures should be taken to prevent the welding wire from being damaged by sharp objects. (7) Protective glasses or masks should be worn when removing welding slag, and welding rod heads should be stacked centrally. (8) After get off work, the power must be turned off, the ground wire and the handle wire must be separated, and the fire must be extinguished before leaving the scene.

Safe use rights of welding equipment (1) The welding machine must be placed in a well-ventilated, dry, non-corrosive medium, away from high temperature, humidity and dust. Canopies should be erected for welding machines used in the open air, and the welding machines should be padded with insulating materials. The height of the pad should not be less than 20cm, and fire-fighting equipment should be equipped according to regulations. (2) Before using the welding machine, the insulation and wiring conditions must be checked. The wiring parts must be tightly wrapped with insulating tape to prevent corrosion, moisture, or looseness. (3) The welding machine must be equipped with a separate power switch and automatic power-off device. The length of the primary side power cord should not be greater than 5m, and the length of the secondary wire welding wire should not be greater than 30m. The wiring on both sides should be crimped firmly, and a reliable protective cover must be installed. (4) The shell of the welding machine must be equipped with reliable zero connection or grounding protection. (5) The welding cable of the electric welding machine must use multi-stranded thin copper wire cables, and its cross-section should be selected according to the regulations for the use of the electric welding machine. The cable sheath should be intact and soft, and its insulation resistance should be no less than 1M. (6) The inside of the welding machine should be kept clean. Blow out dust regularly. The power must be cut off when cleaning. (7) After the welding machine is started, it must run without load for a period of time. Adjusting the welding current positivity switch should be done under no load. The no-load voltage of a DC welding machine shall not exceed 90V, and the no-load voltage of an AC welding machine shall not exceed 80V.

(1) The following regulations should be followed when using a argon arc welding machine. ① The pipelines should be checked before work. The air pipes and water pipes must not be under pressure or leakage. ② The argon gas pressure reducing valve and pipe joints must not be stained with grease. It should be tested after installation and the pipeline should be free of obstacles and leak-proof. ③ The cooling water of water-cooled welding machines should be kept clean, the water flow during welding should be normal, and welding with the flame off is strictly prohibited. ④ For high-frequency argon arc welding machines, the high-frequency protection device must be in good condition and no short circuit may occur. ⑤ When replacing the tungsten electrode, the power supply must be cut off. Gloves and masks must be worn when grinding tungsten electrodes. Dust from grinding should be removed promptly. Thorium, cerium and tungsten electrodes must be stored in sealed lead boxes and are not allowed to be carried around. ⑥ The argon gas in the argon cylinder must not be used up, and 98-226kpa should be retained. Argon cylinders should be placed upright and fixed and should not be placed upside down. ⑦ After work, cut off the power supply and turn off the water and air sources. Welding personnel must take off their work clothes promptly and wash their hands, face and exposed skin. (2) The voltage at the end of the carbon dioxide gas preheater must not be higher than 36V. ⑧ Preheat for 15 minutes before operation. When turning on the gas, the operator must stand on the side of the bottle mouth. ⑨ The voltage at the carbon dioxide gas preheater terminal must not be higher than 36V.

⑩ Carbon dioxide gas should be placed in a cool place and not close to heat sources. The maximum temperature should not exceed 30°C and should be placed securely. Inspections should be carried out before operation. The welding wire feeding mechanism, power supply connection section, carbon dioxide gas supply system and cooling water circulation system should all meet the requirements. (3) The following regulations should be observed when using submerged arc automatic or semi-automatic welding machines: Before operation It should be checked that the grooves and tooth patterns of the wire feed roller should be intact, the roller and the contact nozzle (block) must be in good contact, and the lubricating oil in the oil tank of the reduction box should be fully qualified. The hose slot of the hose-type wire feeding mechanism should be kept clean and flushed regularly. (4) Welding clamps and welding cables should meet the following requirements: The welding clamps should ensure that the welding rod can be clamped at any inclination and that the welding rod can be easily replaced. The welding clamp must have good insulation and heat insulation capabilities, and the handle should have good thermal insulation properties. The connection between the welding clamp and the cable should be simple and reliable, and the conductor must not be exposed. The spring of the welding clamp has failed and should be replaced immediately. The jaws should always be kept clean. Welding cables should have good electrical conductivity and an insulating outer layer. The selection of welding cables should be based on the size of the welding current and the length of the cable, and a larger cross-sectional area should be selected according to regulations. The welding cable head should use copper conductors with good contact, firmness and reliability.

1. In addition to the safe operation skills of electric welders, welders who weld stainless steel must also be proficient in safety protection and safe operation skills in argon arc welding, plasma cutting, stainless steel pickling and passivation, etc. . 2. The following regulations should be followed when using a DC welding machine: (1) Before operation, check the grounding protection of the welding machine shell, the insulation of the primary power cord terminal, the protective cover, the wiring of the voltmeter and ammeter, the rotation direction of the welding machine and the body Operation can only be performed after the indicator signs and wiring bolts are qualified, complete, sensitive and firm. (2) (3) The welding machine should be placed flat and stable. There should be a distance of more than 500mm between multiple welding machines. One machine must have one gate. A rotating DC arc welding machine should have compensation and "start", "run" and "stop" marks. Before closing, make sure the handle is correct. The power cord should not be larger than 5M. Whether it is in the "stop" position, when starting, identify whether the rotor is rotating, and then move the handle to the "transport" position if the rotation is normal. If there is a sudden power outage during welding, the handle must be moved to the "stop" position immediately. (4) (5) Stainless steel welding adopts "reverse pole connection", and the working pole is connected to the negative pole. If the positive and negative markings of the welding machine are unclear or the conversion button and markings are easy to fall off, the coating of the stainless steel welding rod must be removed. The welding rod head must be removed or the welding machine handle must be hung up before shutting down. It is strictly prohibited to place it randomly. If it does not match, you must use a multimeter to measure the positive and negative polarity, and then operate after confirmation. 3. Generally, stainless steel equipment is used to store or transport corrosive and toxic liquid or gaseous substances. Welding is not allowed on stainless steel containers or pipelines operating under pressure. It is not allowed to borrow equipment pipes to make welding wires. 4. When welding or repairing containers or pipes that have stored chemicals or toxic substances, steam cleaning, soda water cleaning and other measures must be taken. After replacement, after passing the inspection and analysis, the orifice should be opened or filled with water before welding. It is strictly forbidden to blindly get angry. 5. In the process of making and welding stainless steel, when using a grinding wheel to trim the bevel and clean the weld before welding, you must check the grinding wheel and tighten it to make sure it is safe and reliable, and wear goggles before grinding. 6. When welding in a container or indoors, good ventilation measures must be taken or a special dust mask must be worn for welding.

1. Argon arc welding should comply with the following regulations: (1) (2) (3) (4) (5) (6) 2. For manual tungsten arc welding of stainless steel, the power supply adopts DC positive connection. The workpiece is connected to positive and the tungsten electrode is connected to negative. When welding stainless steel with an AC tungsten arc welding machine, high frequency should be used to stabilize the arc, and the welding gun and welding wires should be connected. Operators of manual argon arc welding must wear work clothes, buttoned up, insulated shoes, and soft leather gloves. The argon arc welding operation site should have good natural ventilation or use ventilation devices to discharge harmful gases and smoke in a timely manner. Anyone suffering from organic diseases of the central nervous system, neurological dysfunction, active tuberculosis, emphysema, or grinding thorium When working with tungsten rods, you must wear a dust mask and glasses. Hands that come into contact with thoriated tungsten rods should be washed promptly.

Use metal textile for shielding. Prevent high-frequency electromagnetic fields from irritating the hands holding the welding gun and welding wire. When welding in containers, personal protective equipment such as air-supply helmets, air-supply masks or respirators should be worn. Ensure good air circulation in the operating area. Operators should be positioned upwind. And the intermittent operation method should be adopted. People with mental illness or neurosis should not engage in argon arc stainless steel welding operations. Thoriated tungsten rods must not be left lying around and should be stored in a covered lead box, and a dedicated person should be assigned to keep them. Stainless steel welders should comply with the following regulations for pickling and passivation: (7) (8) (9) 3. Pickling and passivation of stainless steel When using a stainless steel wire brush to brush the weld, the brush should be pushed from the inside out and should not be brushed back and forth. Anyone suffering from respiratory diseases should not engage in pickling operations. Chemicals, especially hydrogen fluoride, must be properly kept and strict procedures must be followed for their use. When engaged in stainless steel pickling, you must wear acid-proof overalls, masks, protective glasses, latex gloves and rubber shoes.

(10) The waste liquid after pickling and passivation must be specially treated, and it is strictly prohibited to dump it randomly. During plasma cutting of metals such as stainless steel, the safe operating regulations of argon arc welding must be followed. During welding, due to the high temperature conducted by the arc, non-ferrous metals expand due to heat. When the arc stops, do not check the weld immediately.