Technology file

Resistance spot welding

- the principal process for joining sheet metal components such as vehicle body parts

Expertise

Through its longstanding, industry-based experience in resistance welding processes, TWI provides a complete R&D support service. Project work and consultancy activities have included:

• high strength steels & aluminium alloys
• welding through adhesives - weldbonding
• characterisation of power supplies
• quality monitoring & NDT
• static, fatigue & impact testing

Resource

• best practice advice & troubleshooting
• commercial & aerospace quality capability
• pedestal, portable & miniature welding equipment
• ac, dc and hf/dc inverter power supplies
• instrumentation & monitoring equipment
• tailored & scheduled training courses

Further information

Resistance welding of sheet metals - a guide to best practice

Resistance welding troubleshooting guide

Settings for resistance spot welding of steels - Practical guidelines

All TWI's confidential consultancy and project work is conducted to ISO 9001 quality standard

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Want to discuss resistance spot welding?
If you work for an Industrial Member of TWI look in Who Knows to find the expert.
Mail to twi_industrial@twi.co.uk if your company is not an Industrial Member.