8
2-7. Stud welding torch
2-7-1 torch (as diagram on right)
Torch operating principle:
Press the stud screw contact to the base metal.
The welding torch will discharge when contact is made.
That applies to :
Soft steel, stainless steel stud screw.
Length of stud screw less than 150mm.
2-7-2 Adjust the pressure and extend distance
Trigger
Handle
Torch head holder
3 support
feet
Screw
clamp
Shell
Pressure
adjustment
Diagram 4
1. Stud screw must extend 2.0mm from 3 support feet,
shown in Diagram 4.
2. Turn the Spring adjustment left, stud welding heat
will increase, torch pressure will reduce.
3. Turn the Spring adjustment right, stud welding heat
will reduce, torch pressure will increase.
4. When torch pressure becomes low, remove back
cover and spring adjustment, then replace the pressure
spring.
Extend 2.0mm
Pressure spring
Spring adjustment