| 摘要 |
PURPOSE: To provide a vise-clamping punch that can simultaneously punch a plurality of holes in a workpiece along the width or length thereof and is freely adjustable in the hole pitch. CONSTITUTION: The vise-clamping punch comprises a clamping means for clamping a workpiece, and at least two working tools rotatable by a drive mechanism to machine the workpiece clamped by the clamping means. The distance between those working tools is variable with a distance varying means.
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