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Automotive vocabulary · Manufacturing, Quality and Testing

Spot welding

Meaning in automotive, with examples

nounCommon term

In automotive, spot welding means: A welding method in which two electrodes press sheets of metal together and pass a strong current through them, melting a small spot that joins the sheets. A car body has thousands of spot welds.

In Turkish: punta kaynağı, nokta kaynağı, direnç nokta kaynağı

How it is used

Used in the body shop, where robots do most spot welding. Quality teams check weld quality with ultrasonic tests and destructive chisel or peel tests. In repair work, body shops drill out spot welds to replace panels.

Example sentences

  1. Robots do about 4,500 spot welds on each body in the welding shop.

  2. The peel test showed poor spot welding on the B-pillar: several welds were too small.

Common collocations

  • resistance spot welding
  • spot weld
  • welding robot
  • body shop
  • body-in-whiteThe stage of car production at which the sheet metal parts of the body have been welded together, before painting and before the engine, trim and other parts are added.
  • assembly lineA production line where a vehicle moves from station to station and workers or robots add parts in a fixed order until the car is complete.
  • unibodyA construction in which the body and the frame are one welded structure that carries all the loads. Almost all modern passenger cars and crossovers are built this way.
  • paint shopThe area of a car plant, or a repair workshop, where bodies are cleaned, coated against corrosion and painted. In a plant the main layers are e-coat, primer, base coat and clear coat.

More terms: Manufacturing, Quality and Testing

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