CHECKLIST
| Safety at work during stud welding jobs | ||
| Increased electrical hazard (Narrow and damp rooms, predicaments) |
Use only devices with S or K characters. Wear dry protective clothing. |
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Protective clothing |
Leather apron, glove, protective goggles (Protection level 2 DIN EN 169), insulating footwear and in case of overhead work in predicament head an neck protection | |
| Fire hazard |
Check environment for fire hazard by welding splashes |
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| Respiratory protection |
Sufficient ventilation at the welding site! Be careful with chrome-nickel steels and coated surfaces! |
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| Magnetic fields |
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| Thickness of workpiece |
Workpiece must have at least thickness of the stud diameter! |
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| Operating personnel | ||
| Requirements |
Experience with the handling of stud welders! |
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Audit |
If the quality requirements of DIN EN ISO 14555 apply, the welding personnel must have an operator test in accordance with DIN EN ISO 14732! |
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| Welding gun | ||
| Accessories |
Select and properly mount suitable chucks, ceramic ferrule holders, foot plates and pillars. |
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Check the movement mechanism |
Move piston against spring pressure, no extraordinary friction! Check Immersion damping (if available) |
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| Chuck |
Move piston against spring pressure, no extraordinary friction! Check Immersion damping (if available) Check for stains and tension, |
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| Alignment stud and ceramic ferrule |
Foot plate with ceramic ferrule holder centric |
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| Lift and overlap |
Select lift and stud overlap according to stud diameter and material and check with way measurement system (display of ACTUAL values in graphic display / main menu of power unit)! |
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| Welding power source | ||
| Main power connection |
Mains power must be sufficient be dimensioned! Different observe mains voltage abroad! |
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Installation site |
Please notice that devices not taken into |
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Selection of welding parameters |
Current: approximately stud Ø x 70 - 80 (90) |
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Functional running |
Check function sequence |
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| Cables and plugs | ||
| Cable length |
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Electrical connections and plugs |
Plugs, connectors and ground terminals |
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Cables |
Welding cable and control cables |
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| Workpiece | ||
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Ground clamps (mass) |
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| Surface |
Welding position must be metallic cleaned and free of impurities such as tinder, rust, oil and coatings |
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| Trial weldings and testing | ||
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Before starting work |
Make welding samples at the same materiel for testing welding performance (Mechanic solidity, closed collet) |
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| Verify |
Perform visual and bending test and |
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Druckversion 