Method And Tool For Hardening A Hollow Profile Of A Steel Workpiece
Disclosed herein is a method and tool for hardening a hollow profile of a steel workpiece having an interior space. The method includes the steps of providing a workpiece having a hollow profile, heating the hollow profile, placing the hollow profile of the steel workpiece in a hardening tool, and c...
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Format: | Patent |
Sprache: | chi ; eng |
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