JPH01138527U

JPH01138527U -

Info

Publication number: JPH01138527U
Application number: JP3196288U
Authority: JP
Priority date: 1988-03-09
Filing date: 1988-03-09
Publication date: 1989-09-21

Description

[Brief explanation of the drawing]

第１図は本考案の実施例を示す側面図、第２図
は同正面図、第３図イ，ロ，ハ，ニはワークの加
工状態を示す説明図、第４図はワークの平面図、
第５図は従来の加工状態を示す説明図である。１……スタートホール加工装置、２……ワイヤ
放電加工機、４……フレーム、８……ワーク、１
０……下アーム、１１……加工液噴出装置、１２
……ノズル、１３……下面、１４……交点、１５
……ポンプ、１６……加工液、１７……濾過装置
、１８……ホース、１９……開口部、２１……ス
タートホール。 Fig. 1 is a side view showing an embodiment of the present invention, Fig. 2 is a front view of the same, Fig. 3 A, B, C, and D are explanatory diagrams showing processing states of the workpiece, and Fig. 4 is a plan view of the workpiece. ,
FIG. 5 is an explanatory diagram showing a conventional machining state. 1...Start hole machining device, 2...Wire electrical discharge machine, 4...Frame, 8...Work, 1
0... Lower arm, 11... Machining fluid ejection device, 12
... Nozzle, 13 ... Bottom surface, 14 ... Intersection, 15
... pump, 16 ... processing liquid, 17 ... filtration device, 18 ... hose, 19 ... opening, 21 ... start hole.

Claims

[Scope of Claim for Utility Model Registration] (1) In a start hole machining device that drills a start hole in a workpiece to be subjected to wire electrical discharge machining, machining fluid is sprayed from below the workpiece toward the starting hole opening position on the lower surface of the workpiece. A start hole machining device characterized by being equipped with a liquid ejecting device. (2) The start hole machining device according to claim 1, wherein the machining fluid jetting device is attached to the lower arm of the wire electric discharge machine. (3) The start hole machining device according to claim 1, wherein the machining fluid jetting device spouts the machining fluid in synchronization with start hole machining.