Automotive Welding Tests (Spot Welding Tests for Thin Sheets)

Case Studies of Automotive Welding (Spot Welding Tests for Thin Sheets)

Condition of spot welding of thin sheets table
Spot welding of thin sheets  

Spot Welding Test Methods

  • Quantitative Evaluation Tests
    • Tensile shear test (JIS Z 3136)
    • Cross tension test (JIS Z 3137)
  • Field Test Methods (Routine Tests,
    JIS Z 3144)
    • Peel test
    • Torsion test
    • Chisel test
  • Cross-Sectional Tests (JIS Z 3139)
  • Test of Welding Production Conditions
    • Electrode life test (continuous spot welding test)
Cross tension test
Cross tension test
Fracture part in peel test
Fracture part in peel test
Record of shape deformation of electrode tipRecord of shape
Record of shape
deformation of electrode tip
Example of cross-sectional observation of spot welds
Example of cross-sectional
observation of spot welds

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