CHIEF Multi-Spot M22AL - Page 10

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2-7. Stud welding adjustments
Adjust stud welding according to the diameter of stud screws.
* Adjust charge voltage.
* Adjust welding torch pressure or clearance.
Stud screw adjustments are standard in the following diagram.
2-7-1 Charge voltage for soft and stainless steel stud screws:
Stud screw Change voltage
(V)
Welding torch pressure
(kgf)
M3-S 40 4.5~5.5
M3-F 55 4.5~5.5
M4-S 50 4.5~5.5
M4-F 63 4.5~5.5
M5-S 60 4.5~5.5
M5-F 105 4.5~5.5
M6-S 100 4.5~5.5
M6-F 120 4.5~5.5
M8-S 160 4.5~5.5
M8-F 170 4.5~5.5
Charge voltage for aluminum:
Stud screw Change voltage
(V)
M3-S 50
M3-F 60
M4-S 60
M4-F 80
M5-S 75
M5-F 100
M6-S 120
M6-F 140
Weld torch pressure - Adjust pressure to minumum and test stud weld. Continue to increase pressure and test
until satisfactory results.