Changing shape of the canbody (apple-like shape), after a certain production time

Possible cause:

  • insufficient cooling
    • clean cooling circuit
    • change cooling additive / lubricant in the chiller
    • clean or change main- and micro-filter in cooling system (see pictures below)
  • Check insulation
    • feel hot spots in the entire secondary circuit by hand or use IR camera if available.
  • Check Z-guide for broken parts (nosepiece or main Z – bar or, depending on welder type, intermediate Z-bar)