49
RAZOR COMPACT 250
OPERATING MANUAL
5. Lack of penetration
•
Insufficient heat input:
Increase the amperage or choose a smaller electrode.
•
Poor welding technique:
Use the correct welding technique or seek assistance for the correct technique.
•
Poor joint preparation:
Check the joint design and fit up, make sure the material is not too thick. Seek assistance for the
correct joint design and fit up.
6. Excessive penetration - Burn through
•
Excessive heat input:
Reduce the amperage or use a larger electrode.
•
Incorrect travel speed:
Try increasing the weld travel speed.
7. Uneven weld appearance
•
Unsteady hand, wavering hand:
Use two hands where possible to steady up, practise your technique.
8. Distortion - Movement of base metal during welding
•
Excessive heat input:
Reduce the amperage or use a larger electrode.
•
Poor welding technique:
Use the correct welding technique or seek assistance for the correct technique.
•
Poor joint preparation and/or joint design:
Check the joint design and fit up, make sure the material is not too thick.
Seek assistance for the correct joint design and fit up.
9. Electrode welds with different or unusual arc characteristic
•
Incorrect polarity:
Change the polarity, check the electrode manufacturer for correct polarity.
RAZOR Compact 250 Manual APR23.indd 49
RAZOR Compact 250 Manual APR23.indd 49
6/04/2023 4:03:16 PM
6/04/2023 4:03:16 PM
