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公开(公告)号：US11590594B2
公开(公告)日：2023-02-28
申请号：US17022426
申请日：2020-09-16
申请人： Sodick Co., Ltd.
发明人： Jun Takahashi , Yasuhiko Fujisawa , Yuzo Dohi
摘要： A compact lower guide unit that allows the electrode guide to be attached and detached more easily and reliably. Provided is a lower guide unit including a housing, an electrode guide, and a pull-up mechanism having a guide support, links, and a power cylinder. The guide support includes a biasing member and a displacement member. The biasing member can bias the displacement member, and the displacement member can be displaced between a restriction position and a release position. The links can be rotated by a force applied by the power cylinder. The electrode guide is fixed to the guide support by a biasing force of the biasing member when the displacement member is in the restriction position, and the electrode guide is released from the lower guide unit when the displacement member is displaced to the release position.
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公开(公告)号：US11465222B2
公开(公告)日：2022-10-11
申请号：US16898953
申请日：2020-06-11
申请人： Sodick Co., Ltd.
发明人： Jun Takahashi , Yasuhiko Fujisawa , Yuzo Dohi
摘要： An electric discharge machining unit capable of stably supplying working fluid to the vicinity of a portion to be machined. The electric discharge machining unit includes a tool electrode, a housing, an electrode guide, and a working fluid supplying device. The housing includes a fitting hole having a tapered surface. A first supply path is formed in the housing. The electrode guide includes a tapered portion and an ejection opening formed on a lower surface. A first flow path is formed in the electrode guide. The tapered portion is configured to be fitted into the fitting hole to connect the first flow path to the first supply path. The working fluid supplied from the working fluid supplying device to the first supply path and the first flow path is ejected from the ejection opening.
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