Nelweld Operations and Service Manual
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Stud Weld Rate
Parameters listed are those used during testing, and should be used only when considering weld duty cycle
Stud Size Weld Rate (studs per minute)
(in) (mm)
Time
(sec)
Current
(A)
Nelweld 4000 Nelweld 6000
3/16” 5mm 0.15 300
Unlimited
Unlimited
1/4” 6mm 0.17 450 50 Unlimited
5/16” 8mm 0.25 500 40 Unlimited
3/8” 10mm 0.33 550 22 Unlimited
1/2” 13mm 0.55 800 19 30*
5/8” 16mm 0.67 1200 15 25*
3/4” 19mm 0.84 1500 12 20*
7/8” 22mm 1.00 1700 4 13*
1” 25mm 1.40 2000 10*
* For CE-marked, 400V, 50/60Hz units, stud weld rates are reduced by 50% due to temperature rating
limits imposed by EN60974-12.
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