Immersion Speed; Adjusting The Speed Of Immersion For Ph-4L And Ph-5L - Soyer BMH-22i Operating Instructions Manual

Appendix A / Adjustment of drawn arc and short-cycle drawn arc stud welding guns
2.5

Immersion speed

2.5.1

Adjusting the speed of immersion for PH-4L and PH-5L

The immersion speed or its damping depends on the stud diameter.
Studs with up to 10 mm in diameter do not require any damping (turn adjusting
screw (1) to the left till it stops).
The larger the diameter of the stud, the more the immersion speed has to be
dampened (turn adjusting screw (1) to the right till it stops).

R
Good results can be achieved with dampened immersion speeds of approx. 70 - 100
mm/s. The stud should be rapidly immersed in the weld pool, this, however, in a
reduced and non-hammer-type method to prevent excessive spatter formation.
Immersion speeds which are too low may cause pore formation and irregular bulging.
The surface of the molten pool would solidify before the stud touches the workpiece.
Determine the setting values and enter them in the table below
Damping can only be adjusted when the welding gun is not positioned on the
workpiece (spring box is in starting position).
Stud diameter (mm)
12
14
16
20
22
Rotations of adjusting screw
Appendix A /9