Steel-aluminum dissimilar metal resistance spot welding electrode cap and spot welding method
The invention discloses a steel-aluminum dissimilar metal resistance spot welding electrode cap and a spot welding method. The steel-aluminum dissimilar metal resistance spot welding electrode cap comprises a steel part side electrode cap and an aluminum part side electrode cap. The steel part side...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a steel-aluminum dissimilar metal resistance spot welding electrode cap and a spot welding method. The steel-aluminum dissimilar metal resistance spot welding electrode cap comprises a steel part side electrode cap and an aluminum part side electrode cap. The steel part side electrode cap is of an integrated structure, a steel part side electrode cap welding contact section is of a conical structure, the steel part side electrode cap welding contact surface at the top of the steel part side electrode cap welding contact section is a plane, and the included angle between the steel part side electrode cap welding contact section and the steel part side electrode cap consumption section ranges from 120 degrees to 145 degrees. The aluminum part side electrode cap is of an integrated structure, and the welding contact section of the aluminum part side electrode cap is of a cambered surface structure. When spot welding is carried out, the steel-aluminum dissimilar metal resistance spot weldi |
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