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APPENDIX F: DEFINING THE OPTIMUM PROCESS
HF28 DC RESISTANCE WELDING SYSTEM
F-12 990-372
Conclusion
The resistance welding process can deliver a reliable and repeatable joining solution for a wide range of
metal joining applications. Defining the optimum welding process and best production settings can be
achieved through a methodical and statistical approach. Time spent up front in weld development will
ensure a stable welding process and provide a substantial return in quality and long term consistency.
Welding problems can more easily be identified and solved if sufficient experimental work is carried out
to identify the impact of common variables on the quality and variation of the welded assembly. Amada
Miyachi America frequently uses the Screening DOE tool to establish the impact of key variables and to
assist customers with troubleshooting. Often, the testing described above will provide the information
and understanding to predict common failure modes and causes. A troubleshooting guide can be
requested in the form of a slide rule, to assist users in identification of welding problems and likely
causes.