JPH0429319U

JPH0429319U -

Info

Publication number: JPH0429319U
Application number: JP7150890U
Authority: JP
Priority date: 1990-07-06
Filing date: 1990-07-06
Publication date: 1992-03-09

Description

[Brief explanation of the drawing]

第１図は本考案に係る旋回ユニツトを取り付け
たＮＣ放電加工機の全体図であり、第２図は第１
図中Ｂ部拡大図であり、第３図は第２図中Ｃ矢視
図である。第４図はＮＣ放電加工機により製作さ
れる蒸気タービンのノズル板の平面図であり、第
５図は第４図中Ａ−Ａ断面図であり、第６図は従
来の旋回加工を示す説明図である。図面中、１はワーク、２はブレード、３は放電
電極、４はＮＣ放電加工機の本体、５は旋回ユニ
ツト、６はヘツド、７は電解液槽、８はサーボモ
ータ、９はギヤボツクス、１１は旋回アーム、１
２は電極アーム、１５は電極ホルダである。 Figure 1 is an overall view of an NC electrical discharge machine equipped with a rotating unit according to the present invention, and Figure 2 is an overall view of an NC electrical discharge machine equipped with a rotating unit according to the present invention.
This is an enlarged view of part B in the figure, and FIG. 3 is a view taken in the direction of arrow C in FIG. Fig. 4 is a plan view of a nozzle plate of a steam turbine manufactured by an NC electric discharge machine, Fig. 5 is a sectional view taken along line A-A in Fig. 4, and Fig. 6 is an explanation showing conventional turning machining. It is a diagram. In the drawing, 1 is the workpiece, 2 is the blade, 3 is the discharge electrode, 4 is the main body of the NC electrical discharge machine, 5 is the rotation unit, 6 is the head, 7 is the electrolyte tank, 8 is the servo motor, 9 is the gearbox, 11 is a rotating arm, 1
2 is an electrode arm, and 15 is an electrode holder.

Claims

[Scope of utility model registration request]

A turning unit attached to the head of an NC electric discharge machine, which includes a servo motor driven by a drive control device of the NC electric discharge machine, and a gearbox that converts the rotational force of the servo motor into a vertical turning movement. A rotating unit for an NC electrical discharge machine, comprising: a rotating arm attached to an output shaft of the gearbox; and a discharge electrode attached to the rotating arm.