Illustrated embodiments include providing the vacuum through a passage in the cutting tool (61) and providing the vacuum through a cavity in a presser foot (64).
所示实施例包括通过切割工具(61)中的通道提供真空以及通过压脚(64)中的腔提供真空。
The invention relates to a hardware tool, in particular to a hand-held tool with a storage cavity in a handle.
本发明涉及一种五金工具，特别是一种手柄内有储腔的手持工具。
So, machining the cavity is quite a task, in the paper we present a method for shaping the cavity with some special toolings on a simple special-purpose machine tool.
本文介绍了如何利用一些特殊的工装、刀具在简易的专用机床上加工该内型腔的方法。
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