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41 00... Opening Weld Joints

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  1. Opening weld spots (resistance pressure spot welding): 
    • Set punch mark in center of weld spot. Set 8 mm dia. weld spot drill bit on punch mark and drill through top metal sheet.

      Or open weld spot with Vario Drill spot welding cutter (refer to WORKSHOP EQUIPMENT & PLANNING CD , Chapter 7).

      NOTE: Because the weld spots may have surface-hardened, grind them if necessary with an angle grinder and paper grinding disk.
  2. Opening laser weld seams: 
    • Place angle grinder with grinding disk on laser weld seam and grind through top metal sheet. Be careful not to cut through and damage sheet metal underneath.
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