Car-O-Liner Group AB
CTR9
72
49023, EN - rev. 4, 2020-01
6.5
Pre pulse - for burning off coatings
Pre pulse (a short time welding) is necessary when Zn (zinc plated),
Ed coating (electrolytic dipped) or dry glue needs to be burned off to
achieve approved welding result.
The pre pulse from the welder must be set according to the type of
coating.
1.
Select "Pre pulse" by pressing the Pre pulse button.
Toggle between Zn, Ed, Ed+ coating and Drye Glue.
2.
The selected pre pulse modes are displayed.
In Auto1, Auto2 and Manual there are three selections for pre pulse:
Zn, Ed and Ed+.
Figure 6.1 Four different kinds of coating eliminated by Pre pulse welding.