JP2011073130A5

JP2011073130A5 -

Info

Publication number: JP2011073130A5
Application number: JP2009243884A
Authority: JP
Filing date: 2009-09-30
Publication date: 2012-09-13
Anticipated expiration: 2029-09-30

Description

Outer peripheral electric discharge machining device for disk work and outer peripheral electric discharge machining method for disk workpiece, combined electric discharge machining device for disk work and combined electric discharge machining method for disk workpiece

本発明は、例えば、ジェットエンジンを構成するタービンブレードを支持するディスク（円板ワーク）の外周放電加工装置とその加工方法、更に円板ワークの切削加工を併せて行う複合放電加工装置とその加工方法に係わり、特に、円板ワークの外周放電加工を行うに際して、円板ワークの外周下面側に配置したコンパクトな水槽で実施可能な円板ワークの外周放電加工装置とし、併せて円板ワークの外周面や両側面を加工する切削加工機能も併せ持つ複合放電加工装置に関するものである。The present invention is, for example, the outer peripheral discharge machining apparatus and its processing method for a disk (disc work) for supporting the turbine blades constituting the jet engine, the composite electric discharge machining apparatus and its processing performed further along the cutting disc workpiece relates to a method, in particular, when performing outer peripheral discharge machining of the circular plate work, of the disc compact aquarium in feasible circular plate workpiece disposed on the outer peripheral lower surface of the workpiece and the outer peripheral electric discharge machining apparatus, together disc workpiece The present invention relates to a composite electric discharge machining apparatus which also has a machining function for machining an outer peripheral surface and both side surfaces.

近年、例えば、航空機による国際的な物流増大に対応する事と、対地球環境向上を図るための低燃費性の要求が高まり、航空機の機体軽量化と燃費改善が図られている。
その具体的方策として、ジェットエンジンを構成するタービンブレードを支持するディスク（円盤）の軽量化のための薄肉構造に伴う材料特有の歪みと機械加工で発生する歪みが加工精度低下を招き、困難性の高い切削加工における一層の精度向上が高まっている。これは、発電用ガスタービンのディスク加工においても同様な課題になっている。In recent years, for example, there has been an increase in demand for fuel efficiency to cope with the increase in international physical distribution by aircraft and improvement in the global environment, and the weight reduction of aircraft and improvement in fuel efficiency have been achieved.
As a specific measure, distortion inherent in the material and distortion caused by machining accompanied by thin-walled structure to reduce the weight of the disk (disk) supporting the turbine blades that make up the jet engine result in reduced processing accuracy, making it difficult Further improvement in precision in high cutting is increasing. This is a similar problem in disk processing of a gas turbine for power generation.

また、上記ディスク（円盤）は、極高温（１０００℃〜）での使用となり、その材質はハイニッケル難削材の加工となり、無人加工化が遅れている。そして、上記ディスク（円盤）は、エンジンの高出力化で大型化（外径１０００ｍｍ）の傾向にあり、肉薄軽量化により、外周面，側面，内面の切削加工を益々困難化している。そして、上記ディスク（円盤）の外周等のワイヤ放電加工時には、ディスク（円盤）全体を大型の水槽内にずぶ漬けしての放電加工を余儀なくされ、大型の設備機械となる切削加工機やワイヤ放電加工機が必要になり、加工コストアップの大きな要因になっている。Moreover, the said disc (disc) becomes use at extremely high temperature (1000 degreeC-), the material becomes a process of a high nickel hard-to-cut material, and unmanned process-ization is behind. The disk (disk) tends to be large (outside diameter 1000 mm) due to the high output of the engine, and the thin and lightweight construction makes it increasingly difficult to cut the outer peripheral surface, the side surface, and the inner surface. At the time of wire electric discharge machining of the outer periphery or the like of the disc (disc), is forced to electric discharge machining by dip pickled the entire disk (disc) in a large water tank, a large equipment and machinery cutting machine or wire electric discharge A processing machine is required, which is a major cause of processing cost increase.

上記ディスク（円盤）の現状における製造工程は、先ず、素材となる円板（円盤）を鍛造により肉薄軽量化に適合するように成形される。この鍛造工程でディスクには、鍛造時の応力が残存して歪みを与えている。続く、旋盤加工は、図７に示すようにして実施されている。加工工程は、荒加工と仕上げ加工とに区分される。先ず、荒加工は、回転チャックＣに把持されたディスク（円盤）Ｄにおいて、（１）基準面削り、（２）内外径端面削り、（３）反対側外径端面削りからなり、人手による段取り替えを余儀なくしていた。これは、自動化運転を不能としている最大の要因である。続く、仕上げ加工は、（４）内外径端面削り、（５）反対側外径端面削りからなる。しかしながら、図７（ａ）に示すように、上記薄肉円盤形状のディスクＤは、加工中の切削抵抗により回転チャックＣから飛び出す危険性が高く、そこで、クランプＫを高トルクでディスクの側面に対し把持して押さえると、歪みを起こしてしまい、高速回転の加工が困難である（非特許文献。）。In the present manufacturing process of the disk (disk), first, a disk (disk) to be a material is formed by forging so as to be compatible with thinning and weight reduction. In the forging process, stress during forging remains on the disk to cause distortion. The subsequent lathe machining is performed as shown in FIG. The machining process is divided into roughing and finishing. First, roughing is performed on the disk (disk) D held by the rotating chuck C: (1) Reference surface cutting, (2) inner and outer diameter end surface cutting, (3) opposite side outer diameter end surface cutting I was forced to replace it. This is the biggest factor that makes automated operation impossible. Subsequently, the finishing process consists of (4) inner and outer diameter end face grinding and (5) opposite side outer diameter end face grinding. However, as shown in FIG. 7A, the thin disk-shaped disc D has a high risk of popping out of the rotary chuck C due to cutting resistance during processing, so the clamp K against the side surface of the disc with high torque. If it is held and pressed, distortion occurs and processing at high speed rotation is difficult (non-patent document).

また、上記大型化（外径１０００ｍｍ）したディスク（円盤）Ｄの外周面等のワイヤ放電加工は、ディスク（円盤）全体を大型の水槽内にずぶ漬けした放電加工を余儀なくされる。即ち、大型の設備機械となるワイヤ放電加工装置が必要になり、加工コストアップの大きな要因になる。その具体例として、浸漬型ワイヤカット放電加工機が提供されている。その構成は、ベッド上に固定された加工水を貯蔵する加工槽と、加工槽内に設けられ、ワイヤ下ガイドをＸ−Ｙ方向に駆動する駆動手段と、コラムに支持され、ワイヤ下ガイドに対応してＸ−Ｙ方向に駆動されるワイヤ上ガイドとを有するものとなる（例えば、特許文献１参照。）。In addition, wire electric discharge machining such as the outer peripheral surface of the disk (disk) D which has been enlarged (outside diameter 1000 mm) is obliged to perform electric discharge machining in which the entire disk (disk) is dipped into a large water tank. That is, a wire electric discharge machining apparatus which is a large-sized equipment machine is required, which is a major factor of an increase in machining cost . As a specific example, an immersion type wire cut electric discharge machine is provided. The configuration includes a processing tank for storing processing water fixed on a bed, a driving unit provided in the processing tank, driving means for driving the wire lower guide in the X-Y direction, and a column for supporting the wire lower guide. Correspondingly, the wire guide is driven in the X-Y direction (see, for example, Patent Document 1).

上記浸漬型ワイヤカット放電加工機では、大型の水槽を必要とし、大型の設備機械となるワイヤ放電加工装置が必須であった。この問題点を解消すべく、大型ワークとなるディスク（円盤）に対しても低コストに加工可能な放電加工機とすべく、ブローチ盤にワイヤ加工ユニットとブラッシングワイヤの断線防止効果を向上させた特殊ノズル装置を備えたものがある。その構成は、ブローチ盤、フライス盤等の工作機械の加工ヘッドにワイヤ加工ユニットを備えたワイヤカット放電加工機としたものである。上記ワイヤ加工ユニットは、被加工物となるディスク（円盤）に対して上下に水流噴射ノズルを対向配置させ、上記対向する上下の水流噴射ノズルの中心孔にワイヤを挿通させ、各水流噴射ノズルに高圧水源を繋いだものである（例えば、特許文献２参照。）。 In the said immersion type | mold wire cut electric discharge machine, the large sized water tank was required and the wire electric discharge machining apparatus used as a large-sized installation machine was essential. In order to solve this problem, we have improved the effect of preventing breakage of the wire processing unit and the brushing wire in the broaching machine, in order to make the EDM machine capable of processing the disk (disc) that is a large work at low cost. Some have special nozzle devices. The configuration is a wire-cut electric discharge machine provided with a wire processing unit on a processing head of a machine tool such as a broaching machine or a milling machine. The wire processing unit, the water jetting nozzle is disposed opposite to the vertical with respect to the disk as the workpiece (disc), it is inserted a wire into the central hole of the upper and lower water flow injection nozzle to the opposite, the water jet nozzle And a high pressure water source (see, for example, Patent Document 2).

特開平８−１１８１５５号公報 JP-A-8-118155 特開２００９−１３７０００号公報 JP, 2009-137000, A

上記従来方式の旋盤加工機や浸漬型ワイヤカット放電加工機においては、数々の問題点が指摘される。即ち、「工程数が多い，治具へのワーク交換作業を人力で行う、設備機械の大型化とそれによる設備費の増大，ランニングコストアップ，加工能率の低下」等々の問題点がある。更に、大型ワークに対しても加工できる放電加工機とすべく、ブローチ盤にワイヤ加工ユニットとブラッシングワイヤの断線防止効果を向上させた特殊ノズル装置を備えたものは、ワーク全体を水槽内に浸漬しなくても良いが、加工点が水流不足の状態に成り易いから、不良放電で加工不良を起こす。また、特殊ノズル装置は水流飛散が免れず作業環境の悪化を招く欠点を有する。更に、大型ワークとなるディスク（円盤）（外径１０００ｍｍ）における切削加工と外周面の放電加工との複合加工は、一台の加工機で同時に実施することは不可能である。 A number of problems are pointed out in the above-mentioned conventional lathes and immersion type wire-cut electric discharge machines. That is, there are problems such as "the number of processes is large, the work of exchanging the work to the jig is performed manually, the enlargement of the equipment machine and the equipment cost by it are increased, the running cost is increased, and the processing efficiency is lowered" . Furthermore, in order to make an EDM machine capable of machining even large-sized workpieces, the broaching machine equipped with a special nozzle device that improves the disconnection prevention effect of the wire processing unit and the brushing wire immerses the entire workpiece in the water tank. Although it may not be necessary, since the machining point is likely to be in a state of insufficient water flow, machining failure is caused by defective discharge. In addition, the special nozzle device has the disadvantage that the flow environment is inevitable and the working environment is deteriorated. Furthermore, it is impossible to simultaneously carry out combined processing of cutting with a disk (disc) (outside diameter 1000 mm) as a large work and electric discharge machining of the outer peripheral surface with one processing machine.

本発明は、上記従来方式の旋盤加工機や浸漬型ワイヤ放電加工装置やブローチ盤にワイヤ加工ユニットとブラッシングワイヤの断線防止効果を向上させた特殊ノズル装置を備えたものにおける数々の問題点に鑑みてなされたものである。
第一の目的は、円板ワークの外周放電加工を行うに際して、大型ワークとなるディスク（円盤）においてもコンパクトな水槽で円板ワークの加工部のみを水槽内に浸けた実施を可能な円板ワークの外周面を放電加工する放電加工装置を提供する。
第二の目的は、上記円板ワークの外周放電加工装置において、円板ワークの両側面や外周面の切削加工機能を併せ持った刃具加工部を装備し、円板ワークの放電加工と切削加工の全ての加工工程が一台の設備機械で完全無人化運転を可能とするハイブリッドな複合放電加工装置とその加工方法を提供する。The present invention has been made in view of numerous problems in the above-described conventional lathes and immersion type wire electric discharge machines and broaching machines provided with special nozzle devices having an improved effect of preventing breakage of wire processing units and brushing wires. It was done.
The first object is a compact water tank that can be used as a large-sized disk (disk) to immerse only the machined part of the disk work in the water tank when performing peripheral electric discharge machining of the disk work Provided is an electric discharge machining apparatus for electric discharge machining an outer peripheral surface of a work.
The second object is that the above-mentioned apparatus for peripheral electric discharge machining of a disk work is equipped with a cutting tool processing unit having a cutting processing function for both side surfaces and the outer peripheral surface of the disk work, and for electric discharge machining and cutting of the disk work The present invention provides a hybrid composite electric discharge machining apparatus and its machining method which enable complete unmanned operation with a single facility machine for all machining processes .

上記第一の目的を達成する本発明の請求項１による円板ワークの外周放電加工装置は、水平配置した回転出力軸と、この回転出力軸に装着されて旋回される円板ワークと、上記円板ワークの外周下面側に配置して該外周下面を液体に浸す水槽と、上記水槽内に配置して円板ワークの外周下面を放電加工するワイヤ放電加工部と、を具備したことを特徴とする。According to the first aspect of the present invention for achieving the above first object, an apparatus for peripheral electric discharge machining of a disk work according to claim 1 comprises: a rotary output shaft arranged horizontally; a disk work mounted on the rotary output shaft and pivoted ; A water tank is disposed on the outer peripheral lower surface side of the disk work and the outer peripheral lower surface is immersed in the liquid, and a wire electric discharge machining portion is disposed in the water tank and discharges the outer peripheral lower surface of the disk work. I assume.

また、第一の目的を達成する本発明の請求項２による円板ワークの外周放電加工方法は、水平配置した回転出力軸に装着されて旋回される円板ワークに対して、上記円板ワークの外周下面をこの下方に配置した水槽内の液体に浸すとともに、上記水槽内に配置したワイヤ放電加工部により円板ワークの外周下面を放電加工するとともに回転出力軸の回転駆動により円板ワークの外周囲を加工することを特徴とする。The outer peripheral discharge machining method of a disc workpiece according to claim 2 of the present invention to achieve the first object, to the disc workpiece to be pivoted are mounted on the rotary output shaft which is horizontally disposed, the circular plate work The outer peripheral lower surface of the disk work is immersed in the liquid in the water tank disposed below this, and the outer peripheral lower surface of the disk work is discharged by the wire electric discharge machining portion arranged in the water tank, and the disk work is rotated by the rotational output shaft. It is characterized by processing the outer circumference.

また、第二の目的を達成する本発明の請求項３による円板ワークの複合放電加工装置は、水平配置した回転出力軸と、この回転出力軸に装着されて旋回される円板ワークと、上記円板ワークの外周及び側面を切削加工すべくこの上方に配置した加工工具と、上記円板ワークの外周下面側に配置して該外周下面を液体に浸す水槽と、上記水槽内に配置して円板ワークの外周下面を放電加工するワイヤ放電加工部と、を具備したことを特徴とする。Further, according to a third aspect of the present invention for achieving the second object, a composite electric discharge machining apparatus for a disc work according to a third aspect of the present invention comprises: a rotary output shaft arranged horizontally; and a disc work mounted on the rotary output shaft and pivoted ; a working tool arranged on the upper side in order to cutting the periphery and sides of the circular plate work, a water tank dipping the outer peripheral lower surface in a liquid disposed on the outer peripheral lower surface of the circular plate work, and disposed in the water tank And a wire electric discharge machining unit for electric discharge machining the lower surface of the outer periphery of the disk work .

また、第二の目的を達成する本発明の請求項４による円板ワークの複合放電加工方法は、水平配置した回転出力軸に装着されて旋回される円板ワークに対して、上記円板ワークの上方に配置した加工工具により円板ワークの外周及び側面を切削加工する一方、上記円板ワークの外周下面をこの下方に配置した水槽内の液体に浸すとともに、上記水槽内に配置したワイヤ放電加工部により円板ワークの外周下面を放電加工するとともに回転出力軸の回転駆動により円板ワークの外周囲を加工することを特徴とする。Further, in the composite electric discharge machining method of a disk work according to claim 4 of the present invention for achieving the second object , the above-mentioned disk work is mounted on a rotary output shaft horizontally arranged and rotated. while cutting the periphery and sides of the disc workpiece by the processing tool disposed above the, together immersed in the liquid in the water tank disposed to the outer peripheral lower surface of the circular plate work in this downward wire discharge disposed within the water tank The outer peripheral lower surface of the disc work is subjected to electrical discharge machining by the processing portion, and the outer periphery of the disc work is processed by rotational driving of the rotation output shaft.

また、第二の目的を達成する本発明の請求項５による円板ワークの複合放加工装置は、円板ワークの中心孔を基準内径仕上げするに際して円板ワークの外周を把持する円板チャックと、上記円板チャックの把持から解放した円板ワークを水平配置した回転出力軸の中間位置に装着する支持軸駆動体と、上記支持軸駆動体の回転により円板ワークの外周及び側面を旋削加工する旋削加工部と、上記円板ワークの側面を孔加工する孔加工部と、上記円板ワークの外周下面を液体に浸すべく円板ワークの下方に水槽を搬入する水槽移送部と、上記水槽移送部の水槽内に配置し回転出力軸の回転駆動により円板ワークの外周囲を放電加工するワイヤ放電加工部と、上記放電加工後の円板ワークの外周面を刃具で仕上加工する刃具加工部と、からなることを特徴とする。The composite release processing apparatus of a disc workpiece of claim 5 of the present invention for achieving the second object is a circle for gripping the outer periphery of the disc workpiece on the occasion of the center hole of the disc workpiece to the reference inner diameter finishing A support chuck mounted on an intermediate position between a plate chuck and a rotary output shaft on which a disk work released from the gripping of the disk chuck is horizontally disposed, and the outer periphery and side surfaces of the disk work by rotation of the support shaft driver. A turning process section for turning a hole, a hole processing section for boring a side surface of the disk work, and a water tank transfer unit for carrying a water tank under the disk work so as to immerse the outer peripheral lower surface of the disk work with liquid. A wire electric discharge machining unit disposed in the water tank of the water tank transfer unit and performing electric discharge machining on the outer periphery of the disk work by rotational drive of the rotation output shaft, and finish machining the outer peripheral surface of the disk work after electric discharge machining with a blade A cutting edge processing unit to The features.

また、第二の目的を達成する本発明の請求項６による円板ワークの複合放電加工方法は、円板チャックに把持した円板ワークの中心孔を基準内径仕上げする孔加工工程と、上記円板ワークを水平配置した回転出力軸の中間位置に装着する円板ワーク把時工程と、上記円板ワークの外周及び側面を旋削工具により旋削加工する全面加工工程と、上記円板ワークの側面を孔加工する孔加工工程と、上記円板ワークの外周下面を液体に浸すべく円板ワークの下方に水槽を搬入する搬入工程と、上記水槽内に配置したワイヤ放電加工部により回転出力軸の回転駆動により円板ワークの外周囲を放電加工する外周加工工程と、上記放電加工後の円板ワークの外周面を刃具で加工する仕上加工工程と、からなることを特徴とする。 A second aspect of the present invention for achieving the second object is a method of combined electric discharge machining of a disc work according to claim 6 of the present invention, a hole processing step of finishing the center hole of the disc work gripped by the disc chuck with a reference diameter; A disc workpiece gripping process for mounting a disc workpiece at an intermediate position of a rotating output shaft horizontally disposed, an overall processing process for turning the outer periphery and the side surface of the disc workpiece with a turning tool, and a side surface of the disc workpiece A drilling process for drilling holes, a loading process for loading a water tank under the disk work so as to immerse the outer peripheral lower surface of the disk work in the liquid, and rotation of a rotation output shaft by a wire electric discharge machining unit disposed in the water tank It is characterized by comprising: an outer periphery processing step of performing electric discharge machining on an outer periphery of a disc work by driving; and a finishing process step of processing an outer peripheral surface of the disc work after the electric discharge machining with a cutting tool.

本発明の請求項１の円板ワークの外周放電加工装置によると、円板ワークの外周下面をこの下方に配置した水槽内の液体に浸し、上記水槽内に配置したワイヤ放電加工部により放電加工でき、回転出力軸の回転駆動により旋回させて円板ワークの全外周面が放電加工できる。これにより、小さな水槽で済み、放電加工装置のコンパクト化が図れると共に大径円板ワークの外周面の放電加工を効率良く低コストに実行できる。According to the apparatus for peripheral electric discharge machining of a disk work according to claim 1 of the present invention, the outer peripheral lower surface of the disk work is immersed in the liquid in the water tank disposed below this, and the wire electric discharge machining portion arranged in the water tank The entire outer peripheral surface of the disc work can be subjected to electrical discharge machining by turning by rotational drive of the rotational output shaft. As a result, a small water tank can be used, and the electric discharge machining apparatus can be made compact, and electric discharge machining of the outer peripheral surface of the large diameter disk work can be efficiently performed at low cost .

本発明の請求項２による円板ワークの外周放電加工方法によると、円板ワークの外周下面をこの下方に配置した水槽内の液体に浸し、上記水槽内に配置したワイヤ放電加工部により放電加工でき、回転出力軸の回転駆動により旋回させて円板ワークの全外周面が放電加工できる。これにより、小さな水槽で済み、放電加工装置のコンパクト化が図れると共に大径円板ワークの外周面の放電加工を効率良く低コストに連続加工することが可能となる。According to the outer periphery electric discharge machining method of the disk work according to claim 2 of the present invention, the outer peripheral lower surface of the disk work is immersed in the liquid in the water tank disposed below this, and the wire electric discharge machining portion arranged in the water tank The entire outer peripheral surface of the disc work can be subjected to electrical discharge machining by turning by rotational drive of the rotational output shaft. As a result, a small water tank can be used, and the electric discharge machining apparatus can be made compact, and the electric discharge machining of the outer peripheral surface of the large diameter disk work can be continuously and efficiently machined at low cost .

本発明の請求項３による円板ワークの複合放電加工装置によると、水平配置した回転出力軸に装着させた円板ワークに対して、この円板ワークの外周及び側面を切削加工する加工工具と、この円板ワークの外周下面側に水槽とワイヤ放電加工部とを備えたから、小さな水槽で加工装置のコンパクト化と大径円板ワークの外周面の放電加工を効率良く低コストに実行できるほか、円板ワークの外周及び側面の切削加工も一台の複合放電加工装置により同時に実行できる。According to the apparatus for combined electric discharge machining of a disk work according to claim 3 of the present invention, a processing tool for cutting the outer periphery and the side surface of a disk work mounted on a horizontally arranged rotary output shaft Since the water tank and the wire electric discharge machining part are provided on the lower surface side of the outer periphery of the disk work, the small water tank can be used to compact the processing apparatus and perform electric discharge machining of the outer peripheral surface of the large diameter disk work efficiently at low cost. The cutting of the outer periphery and the side of the disk work can also be performed simultaneously by one combined electric discharge machine .

本発明の請求項４による円板ワークの複合放電加工方法によると、一台の複合放電加工装置により小さな水槽で加工装置のコンパクト化と大径円板ワークの外周面の放電加工を効率良く低コストに実行できるほか、円板ワークの外周及び側面の切削加工も同時に連続加工することが可能となる。 According to the composite electric discharge machining method of a disk work according to claim 4 of the present invention, the compactness of the machining device and the electric discharge machining of the outer peripheral surface of the large diameter disk work with a small water tank are efficiently reduced by one combined electric discharge machining device. In addition to costing, cutting of the outer periphery and side of the disk work can also be continuously performed simultaneously.

本発明の請求項５による円板ワークの複合放電加工装置によると、円板ワークの外周及び側面の切削加工と、円板ワークの外周下面側の水槽内のワイヤ放電加工部による放電加工とをワンチャッキングの無人自動化運転のもとに、旋削加工，孔加工から小さな水槽により大径円板ワークの外周面の放電加工までが効率良く低コストに複合的にできる。更に、複合放電加工装置のコンパクト化が図れる。 According to the apparatus for combined electric discharge machining of a disk work according to claim 5 of the present invention, cutting of the outer periphery and the side of the disk work and electric discharge machining by a wire electric discharge machining portion in a water tank on the outer peripheral lower surface side of the disk work Under one-handed unmanned automated operation, everything from turning and hole machining to electric discharge machining of the outer peripheral surface of a large diameter disk work can be efficiently and inexpensively combined with a small water tank. Furthermore, the composite electric discharge machining apparatus can be made compact.

本発明の請求項６による円板ワークの複合放電加工方法によると、上記請求項５による円板ワークの複合放電加工装置において、ワンチャッキングの無人自動化運転のもとに、旋削加工，孔加工と小さな水槽により大径円板ワークまでの外周面の放電加工が複合的に合理的に高効率に運転実施できる。 According to the composite electric discharge machining method of a disk work according to claim 6 of the present invention, in the compound electric discharge machining apparatus of a disk work according to the above-mentioned claim 5, turning machining and hole machining under unmanned automated operation of one chucking. With the small water tank, the electric discharge machining of the outer peripheral surface up to the large diameter disk work can be combined and run rationally with high efficiency.

本発明の第１の実施の形態を示し、円板ワークの複合放電加工装置の斜視図と要部拡大図である。The 1st Embodiment of this invention is shown, and it is a perspective view and principal part enlarged view of the composite electric discharge machining device of a disc work. 本発明の第１の実施の形態を示し、円板ワークの複合放電加工装置の断面図である。The 1st Embodiment of this invention is shown, and it is sectional drawing of the composite electric discharge machining device of a disc work. 本発明の第１の実施の形態を示し、ワイヤ放電加工部の斜視図と断面図である。 The 1st Embodiment of this invention is shown, and it is a perspective view and sectional drawing of a wire electric discharge machining part. 本発明の第１の実施の形態を示し、複合放電加工装置の加工工程図である。FIG. 2 shows a first embodiment of the present invention, and is a processing process diagram of a composite electric discharge machining apparatus . 本発明の第１の実施の形態を示し、両面同時加工の作用図である。 The 1st Embodiment of this invention is shown, and it is an action view of simultaneous processing on both sides. 本発明の第１の実施の形態を示し、同時穴明けの作用図である。 The 1st Embodiment of this invention is shown and it is an action view of simultaneous drilling. 従来技術を示し、円板ワークのクランプと加工手順の工程図である。 The prior art is shown and it is process drawing of a clamp of a disk work, and a processing procedure.

以下、図１乃至図６を参照して本発明の第１の実施の形態となる円板ワークの複合放電加工装置を説明する。Hereinafter, a composite electric discharge machining apparatus for a disk work according to a first embodiment of the present invention will be described with reference to FIGS. 1 to 6.

本発明の円板ワークの外周放電加工装置及び円板ワークの複合放電加工装置とを合わせ持つように、多軸制御工作機械を基本構成とし、これを設計変更したもので、下記のようにその主たる構成要件からなる。まず、図１と図２に示すように、円板ワーク１の複合放電加工装置１００は、円板ワーク１の中心孔１Ａを基準内径仕上げに際して円板ワークの外周１Ｂを把持爪３Ａで把持する円板チャック３と、上記円板チャックの把持から解放した円板ワーク１を水平配置した回転出力軸５の先端把持部５Ａと、これに対向する円板チャック４の回転出力軸６の先端の把持部６Ａで把持される。即ち、回転出力軸５，６の各先端部となる支持軸駆動体１０の中間位置に装着される。尚、上記円板チャック４を支持する回転出力軸６の基部６Ｂは、基盤９上の移動台９Ａの支持体１１に回転可能に保持されている。これで、円板チャック４は、移動台９Ａの進退移動で対向する円板チャック３及び円板ワーク１に対して接近，離反する。上記回転出力軸６の軸心孔Ｐの後端は、油圧ユニットＯＵに繋がれていて、ここからの圧力油Ｏで把持部６Ａが拡縮動作され、円板ワーク１の中心孔１Ａを把持，解放する。上記支持軸駆動体１０は、駆動部ＫＵの駆動軸２に連結する円板チャック３の回転により円板チャック３，４及び円板ワーク１を連動して回転させる。A multi-axis control machine tool has a basic configuration that is modified in design so as to have both the disk work peripheral electric discharge machining apparatus and the disk work complex electric discharge machining apparatus of the present invention together, as described below It consists of the main configuration requirements. First, as shown in FIGS. 1 and 2 , the composite electric discharge machining apparatus 100 for the disc work 1 grips the outer periphery 1B of the disc work 1 with the gripping claws 3A when the center hole 1A of the disc work 1 is finished with reference diameter. The tip gripping portion 5A of the rotary output shaft 5 on which the disc chuck 3 and the disc work 1 released from gripping of the disc chuck are horizontally disposed, and the tip of the tip of the rotation output shaft 6 of the disc chuck 4 opposed thereto It is held by the holding unit 6A. That is, it is mounted at an intermediate position of the support shaft driving body 10 which becomes each tip end of the rotation output shafts 5 and 6. The base 6 B of the rotary output shaft 6 supporting the disc chuck 4 is rotatably held by the support 11 of the movable table 9 A on the base 9. Then, the disk chuck 4 approaches and separates from the facing disk chuck 3 and the disk workpiece 1 by the forward and backward movement of the movable table 9A. The rear end of the shaft center hole P of the rotary output shaft 6 is connected to the hydraulic unit OU, and the pressure oil O from here causes the grip portion 6A to expand and contract to hold the center hole 1A of the disc work 1 , release. The support shaft drive 10 rotates the disk chucks 3 and 4 and the disk work 1 in conjunction with each other by the rotation of the disk chuck 3 connected to the drive shaft 2 of the drive unit KU.

更に、上記円板ワーク１の外周１Ｂ及び側面１Ｃ，１Ｄを旋削加工する旋削加工部１５と、上記円板ワークの側面１Ｃ，１Ｄを孔加工する孔加工部１７と、上記円板ワーク１の外周下面１Ｂを液体Ｗに浸すべく円板ワークの下方に水槽２０を搬入する水槽移送部２２と、上記水槽移送部２２の水槽内に配置し回転出力軸５の回転駆動により円板ワーク１の外周囲１Ｂを荒溝加工するワイヤ放電加工部２５と、上記放電加工後の円板ワーク１の外周面１Ｂを刃具，加工工具ＣＨで仕上げ加工する刃具加工部２７と、からなる。尚、ワイヤ放電加工部２５の細部構成は、図３に示すように、水槽２０内の液体Ｗに浸された円板ワーク１の外周囲１Ｂの両側にワイヤＹの供給ヘッド３１と受取ヘッド３２とが対向配置され、ワイヤＹの中間部を円板ワーク１の外周面１Ｂに接近させ、高圧電圧をワイヤＹと外周面１Ｂ間に付与して外周面１Ｂを荒溝加工する。尚、ワイヤＹは、供給側のプーリー３３を経由して供給ヘッド３１に至り、受取ヘッド３２からプーリ−３４を経由して排出し集積部（図示なし）に集められる。また、供給ヘッド３１内には、放電加工で生じた金属粉塵を排除する高圧噴射水ノズル（図示なし）を備えている。Furthermore, a turning portion 15 for turning the outer periphery 1B and the side surfaces 1C and 1D of the disk work 1, a hole processing portion 17 for drilling the side surfaces 1C and 1D of the disk work, and the disk work 1 The water tank transfer unit 22 carries the water tank 20 under the disk work so as to immerse the outer peripheral lower surface 1B in the liquid W, and the water tank transfer unit 22 is disposed in the water tank of the water tank transfer unit 22. It consists of a wire electrical discharge machining section 25 for rough grooving the outer periphery 1B, and a cutting tool processing section 27 for finishing the outer peripheral surface 1B of the disc work 1 after the electric discharge machining with a cutting tool and a processing tool CH. The detailed configuration of the wire electric discharge machining unit 25 is, as shown in FIG. 3, the supply head 31 and the reception head 32 of the wire Y on both sides of the outer periphery 1B of the disc work 1 immersed in the liquid W in the water tank 20. And the middle portion of the wire Y is brought close to the outer peripheral surface 1B of the disk work 1 and a high voltage is applied between the wire Y and the outer peripheral surface 1B to roughen the outer peripheral surface 1B. The wire Y reaches the supply head 31 via the pulley 33 on the supply side, is discharged from the receiving head 32 via the pulley 34, and is collected in the accumulation unit (not shown). Moreover, in the supply head 31 , the high pressure injection water nozzle (not shown) which excludes the metal dust produced by electric discharge machining is provided.

続いて、上記円板ワーク１の複合放電加工装置１００の機能，作用を説明する。図１〜図４に見るように、複合放電加工装置は、先ず、円板ワークの外周１Ｂを円板チャック３で把持し、円板ワーク１の中心孔１Ａが基準内径仕上げされる。その後、図１と図２に示すように、円板ワーク１の中心孔１Ａは、対向する円板チャック３の回転出力軸５の先端把持部５Ａと、これに対向する円板チャック４の回転出力軸６の先端の把持部６Ａで把持される。即ち、回転出力軸５，６の各先端部となる支持軸駆動体１０の中間位置に装着される。そして、円板ワーク１の外周１Ｂ及び側面１Ｃ，１Ｄが旋削加工部１５により切削加工し、図６に示すように、上記孔加工部１７による円板ワークの側面１Ｃ，１Ｄの孔加工が行われる。更に、円板ワークの外周下面側の水槽内のワイヤ放電加工部２５による荒溝加工、そして、再び外周の荒溝加工の溝仕上加工が刃具加工部２７に取り付けた総形カッターで行われる。上記円板ワークは、両円板チャック３，４でワンチャッキングのもとに、旋削加工，孔加工から小さな水槽による大径な円板ワークの外周面の放電加工及び外周面の外形仕上加工が複合的に行われる。Subsequently, the function and operation of the composite electric discharge machining apparatus 100 for the disc work 1 will be described. As seen in FIGS. 1 to 4, in the composite electric discharge machining apparatus , first, the outer periphery 1B of the disc work is gripped by the disc chuck 3, and the central hole 1A of the disc work 1 is finished with the reference inner diameter. Thereafter, as shown in FIGS. 1 and 2, the central hole 1A of the disc work 1 is the tip gripping portion 5A of the rotational output shaft 5 of the opposing disc chuck 3 and the rotation of the disc chuck 4 opposing thereto. The tip end of the output shaft 6 is gripped by the grip portion 6A. That is, it is mounted at an intermediate position of the support shaft driving body 10 which becomes each tip end of the rotation output shafts 5 and 6. Then, the outer periphery 1B and the side surfaces 1C and 1D of the disc work 1 are cut by the turning portion 15, and as shown in FIG. 6, the hole forming of the side faces 1C and 1D of the disc work by the hole forming portion 17 is performed It will be. Furthermore, rough groove machining by the wire electrical discharge machining portion 25 in the water tank on the outer peripheral lower surface side of the disk work, and rough groove processing of the outer circumferential groove processing are performed again by the general shape cutter attached to the cutter processing portion 27. The disc work is subjected to one-chucking with both disc chucks 3 and 4 by turning , hole processing to small water tank, electric discharge machining of the outer peripheral surface of the large diameter disc work and outer shape finishing of the outer peripheral surface Takes place in a complex manner.

上記複合放電加工装置１００による複合加工の工程手順を、図４〜図６により説明する。先ず、円板チャックに把持した円板ワーク１の中心孔を基準内径仕上げする孔加工工程（Ａ）と、上記円板ワークを水平配置した回転出力軸５，６の中間位置に装着する円板ワーク把持工程（Ｂ）と、上記円板ワークの外周１Ｂ及び側面１Ｃ，１Ｄを旋削工具により旋削加工する全面加工工程（Ｃ）と、上記円板ワークの側面を孔加工する孔加工工程（Ｄ）と、上記円板ワークの外周下面を液体Ｗに浸すべく円板ワークの下方に水槽２０を搬入する搬入工程（Ｅ）及び上記水槽内に配置したワイヤ放電加工部２５により回転出力軸５，６の回転駆動により円板ワークの外周囲に溝荒加工をワイヤ放電加工する外周加工工程（Ｅ）と、上記放電加工後の円板ワークの外周面を刃具（総形カッター）で溝仕上げ加工する仕上加工工程（Ｆ）と、からなる。尚、全面加工工程（Ｃ）は、図５に示すように、円板ワーク１の外周１Ｂ及び側面１Ｃ，１Ｄを旋削加工部１５の旋削工具により旋削加工される。この時、両側面の同時加工が可能で、加工時間が半減し、側面方向への加工撓みが解消される。孔加工工程（Ｄ）とワイヤ放電加工による外周加工工程（Ｅ）は、図６に示すように、円板ワーク１の側面１Ｃ，１Ｄが孔加工部１７で行われ、円板ワーク１の外周１Ｂの荒溝加工がワイヤ放電加工部２５により行われる。この時、孔明けと放電加工とが同時に実施されるから加工能率が倍増する。
しかして、上記円板ワークは、ワンチャッキングの無人自動化運転のもとに、旋削加工，孔加工と、小さな水槽２０により大径な円板ワーク１の外周面の放電加工と、その仕上げ加工が複合的に合理的に行われる。且つ、この加工は、コンパクトな複合放電加工装置１００のもとに実施される。The process procedure of the composite machining by the composite electric discharge machining apparatus 100 will be described with reference to FIGS. First, a hole processing step (A) for finishing the center hole of the disk work 1 gripped by the disk chuck with a reference inner diameter, and a disk mounted at an intermediate position between the rotary output shafts 5 and 6 on which the disk work is horizontally disposed. Work holding step (B), whole surface processing step (C) for turning the outer periphery 1B and side surfaces 1C and 1D of the disk work with a turning tool, and hole forming step (D for drilling the side surface of the disk work , And a carry-in step (E) for carrying the water tank 20 under the disk work so as to immerse the outer peripheral lower surface of the disk work in the liquid W and the rotation output shaft 5 by the wire electric discharge machining unit 25 disposed in the water tank . 6 Outer peripheral processing step (E) which performs wire electric discharge machining of groove roughing around the outer periphery of disk work by rotational drive of 6 and groove finishing of outer peripheral surface of disk workpiece after the above electric discharge machining with cutter (form cutter) Finishing process (F) It made. In the entire surface processing step (C), as shown in FIG. 5, the outer periphery 1 B and the side surfaces 1 C and 1 D of the disc work 1 are turned by the turning tool of the turning portion 15. At this time, simultaneous machining of both side surfaces is possible, machining time is halved and machining deflection in the side direction is eliminated. In the hole machining process (D) and the outer periphery machining process (E) by wire electric discharge machining, as shown in FIG. The rough groove machining of 1 B is performed by the wire electric discharge machining unit 25. At this time, machining efficiency is doubled because drilling and electric discharge machining are performed simultaneously.
Thus, the circular plate work, under the unmanned automated operation of the one chucking, turning, and hole processing, and electrical discharge machining of the outer circumferential surface of the large diameter disc workpiece 1 by a small aquarium 20, the finishing Is rationally performed in a complex manner. And, this processing is performed under the compact combined electric discharge machining apparatus 100.

尚、本発明の円板ワークの複合放電加工装置１００は、上記第１の実施の形態における構成に限定されず、その発明の要旨内での各部の各種の設計変更が自由にできる。例えば、複合加工機能を分割させ、ワイヤ放電加工部だけの単一機能とした状態での第２の実施の形態の使用も可能である。具体的には、放電加工機能のみを備えた円板ワーク１の外周放電加工装置とする。即ち、上記複合放電加工装置１００において、水平配置した回転出力軸５と、この回転出力軸の先端に装着させた円板ワーク１と、上記円板ワークの外周下面側に配置した水槽２０と、上記水槽内に配置したワイヤ放電加工部２５と、だけを備えたものとする。即ち、円板ワーク１の把持を片側の円板チャック３の回転出力軸５の先端把持部５Ａにだけに行わせた構成とする。勿論、円板ワーク１の把持を両側の円板チャック３，４の回転出力軸５，６の中間部で行わせた構成としても良い。The composite electric discharge machining apparatus 100 for a disk work according to the present invention is not limited to the configuration in the first embodiment, and various design changes of each part can be freely made within the scope of the invention. For example, it is possible to use the second embodiment in a state in which the complex machining function is divided into a single function of only the wire electric discharge machining unit . Specifically, the peripheral electric discharge machining device of the disk work 1 having only the electric discharge machining function is used. That is, in the composite electric discharge machining apparatus 100, the rotary output shaft 5 arranged horizontally, the disc work 1 mounted on the tip of the rotational output axis, and the water tank 20 disposed on the outer peripheral lower surface side of the disc work Only the wire electric discharge machining unit 25 disposed in the water tank is provided. That is, the gripping of the disc work 1 is performed only on the tip gripping portion 5A of the rotation output shaft 5 of the disc chuck 3 on one side . Of course, the configuration may be such that the gripping of the disc work 1 is performed at the intermediate portion of the rotation output shafts 5 and 6 of the disc chucks 3 and 4 on both sides.

これで、円板ワーク１の外周下面をこの下方に配置した水槽２０内の液体Ｗに浸すとともに、上記水槽内に配置したワイヤ放電加工部２５により放電加工するとともに回転出力軸５の回転駆動により旋回させるから、円板ワーク１の外周１Ｂの下面を、この下方に配置した水槽内の液体に浸すとともに、水槽内のワイヤ放電加工部２５により放電加工する。これにより、小さな水槽により加工装置のコンパクト化と大径円板ワークの外周面の放電加工を実行できる効果が発揮される。Then, the outer peripheral lower surface of the disk work 1 is immersed in the liquid W in the water tank 20 disposed below this, and the wire electric discharge machining unit 25 arranged in the water tank performs electric discharge machining and rotational drive of the rotation output shaft 5. Since it is turned, the lower surface of the outer periphery 1B of the disk work 1 is immersed in the liquid in the water tank disposed below, and the wire electric discharge machining unit 25 in the water tank performs electric discharge machining. As a result, the effect of being able to execute the downsizing of the processing apparatus and the electrical discharge machining of the outer peripheral surface of the large-diameter disk work with a small water tank is exhibited.

上記円板ワークの複合放電加工装置１００による加工方法は、水平配置した回転出力軸５に装着された円板ワーク１に対して、この円板ワークの外周下面をこの下方に配置した水槽２０内の液体Ｗに浸すとともに、上記水槽内に配置したワイヤ放電加工部２５により放電加工するとともに回転出力軸５の回転駆動により円板ワーク１の外周囲を連続加工できる。The method of processing the disc work by the composite electric discharge machining apparatus 100 is such that, with respect to the disc work 1 mounted on the rotary output shaft 5 disposed horizontally, the inside of the water tank 20 in which the outer peripheral lower surface of the disc work is disposed below this While being immersed in the liquid W, the electric discharge machining is performed by the wire electric discharge machining unit 25 disposed in the water tank, and the outer periphery of the disk work 1 can be continuously machined by the rotational drive of the rotation output shaft 5.

また、円板ワークの複合放電加工装置１００において、放電加工機能のほか最小限の切削機能のみを備えた第３の実施の形態となる円板ワークの複合放電加工装置とする。即ち、水平配置した回転出力軸５と、この回転出力軸５に装着させた円板ワーク１と、上記円板ワークの外周１Ｂ及び側面１Ｃ，１Ｄだけを切削加工する旋削加工部１５と、上記円板ワークの外周下面側に配置した水槽２０と、上記水槽内に配置したワイヤ放電加工部２５とを備える。これにより、円板ワーク１の把持を片側の円板チャック３の回転出力軸５の先端把持部５Ａにだけに行わせた構成とする。勿論、円板ワーク１の把持を両側の円板チャック３，４の回転出力軸５，６の中間部で行わせた構成としても良い。Further, in the composite electric discharge machining apparatus 100 for a disk work, the composite electric discharge machining apparatus for a disk work according to the third embodiment has only the minimum cutting function in addition to the electric discharge machining function . That is, the rotary output shaft 5 disposed horizontally, the disk work 1 mounted on the rotary output shaft 5, the turning portion 15 for cutting only the outer periphery 1B and the side surfaces 1C and 1D of the disk work, and the above It has a water tank 20 disposed on the outer peripheral lower surface side of the disc work, and a wire electric discharge machining unit 25 disposed in the water tank. Thus, a structure in which to perform the gripping of the disc workpiece 1 only the distal grip portion 5A of the rotating output shaft 5 of the one side of the disc chuck 3. Of course, the configuration may be such that the gripping of the disc work 1 is performed at the intermediate portion of the rotation output shafts 5 and 6 of the disc chucks 3 and 4 on both sides.

上記第３の実施の形態となる円板ワークの複合放電加工装置において、円板ワークの外周及び側面の切削加工と、円板ワークの外周下面側の小さな水槽内のワイヤ放電加工部による放電加工と、その後の外形仕上加工が加工装置のもとに、大径円板ワークの外周面の放電加工を含めて無人自動化運転のもとに実行される。
また、上記円板ワークの複合放電加工装置による加工方法は、円板ワークの外周及び側面の切削加工と、円板ワークの外周下面側での放電加工と、その後の外形仕上加工が無人自動化運転のもとに複合的に実施される。In the apparatus for composite electric discharge machining of a disc work according to the third embodiment, the cutting work on the outer periphery and the side of the disc work and the electric discharge machining by the wire electric discharge machining portion in the small water tank on the outer peripheral lower surface side of the disc work After that, the external shape finishing process is performed under the unmanned automatic operation including the electric discharge machining of the outer peripheral surface of the large diameter disk work under the machining device.
In addition, the method of processing the disc work by the composite electric discharge machining device, the cutting processing of the outer periphery and the side of the disc work, the electric discharge machining on the outer peripheral lower surface side of the disc work, and the subsequent external shape finishing are unmanned automated operation Is implemented in a complex manner.

以上のように、本発明の実施の形態となる円板ワークの複合放電加工装置１００及びその加工方法によれば、下記の効果が奏せられる。
先ず、円板ワーク１の複合放電加工装置によると、円板ワーク１の外周１Ｂ及び側面１Ｃ，１Ｄの切削加工と、円板ワーク１の外周１Ｂの下面側の水槽２０内のワイヤ放電加工部２５による放電加工とをワンチャッキングのもとに無人自動化されて、旋削加工，孔加工をはじめとして、小さな水槽により大径円板ワークの外周面の放電加工が複合的にできる。従って、複合放電加工装置のコンパクト化が図れて、設備機械費の低減と加工能率が飛躍的に向上する。As described above, according to the composite electric discharge machining apparatus 100 for a disk work and the machining method thereof according to the embodiment of the present invention, the following effects can be achieved.
First, according to the composite electric discharge machining apparatus for the disk work 1, the cutting of the outer periphery 1B and the side surfaces 1C and 1D of the disk work 1 and the wire electric discharge machining portion in the water tank 20 on the lower surface side of the outer periphery 1B of the disk work 1 The electric discharge machining by No. 25 is unmanned and automated based on one chucking, and the electric discharge machining of the outer peripheral surface of the large diameter disk work can be combinedly performed by a small water tank including turning machining and hole machining. Therefore, the combined electric discharge machining apparatus can be made compact, and the reduction of the equipment cost and the machining efficiency can be dramatically improved.

本発明の円板ワークの複合放電加工方法によると、ワンチャッキングのもとに無人自動化されて、旋削加工，孔加工をはじめとして、小さな水槽２０により大径円板ワークの外周面の放電加工が複合的に合理的に高効率に運転実施できる。更には、コンパクトな複合放電加工装置１００により、コストダウンが図れる合理的な複合加工が実行できる。 According to the method of combined electric discharge machining of a disk work of the present invention, it is automated unmanned under one chucking, and electric discharge machining of the outer peripheral surface of a large diameter disk work by a small water tank 20 including turning and hole machining. Can be implemented in combination with reasonably high efficiency. Furthermore, the compact combined electric discharge machining apparatus 100 can execute rational combined machining which can reduce the cost.

本発明は、その対象物について、ジェットエンジンを構成する大型タービンブレードを支持する大型ディスク（円板ワーク）の実施例で説明したものであるが、様々な用途に使用される各種外径寸法のディスク（円板ワーク）への適用が可能である。Although the present invention is described in the embodiment of the large disk (disk work) supporting the large turbine blade constituting the jet engine, the object thereof has various outer diameter sizes used for various applications. Application to a disc (disc work) is possible.

１円板ワーク
１Ａ中心孔
１Ｂ外周
１Ｃ，１Ｄ側面
２駆動軸
３Ａ把持爪
３円板チャック
４円板チャック
５回転出力軸
５Ａ先端把持部
６回転出力軸
６Ａ把持部
６Ｂ基部
９基盤
９Ａ移動台
１０支持軸駆動体
１１支持体
１５旋削加工部
１７孔加工部
２０水槽
２２水槽移送部
２５ワイヤ放電加工部
２７刃具加工部
３０供給ヘッド
３２受取ヘッド
３３プーリー
３４プーリー
１００複合放電加工装置
（Ａ）孔加工工程
（Ｂ）円板ワーク把持工程
（Ｃ）全面加工工程
（Ｄ）孔加工工程
（Ｅ）搬入工程
（Ｆ）仕上加工工程
ＣＨ刃具，加工工具
ＫＵ駆動部
Ｐ軸心孔
ＯＵ油圧ユニット
Ｏ圧力油
Ｙワイヤ
Ｗ液体Reference Signs List 1 disc work 1A center hole 1B outer periphery 1C, 1D side face 2 drive shaft 3A grip jaw 3 disc chuck 4 disc chuck 5 rotation output shaft 5A tip grip portion 6 rotation output shaft 6A grip portion 6B base 9 base 9A moving stand 10 Support shaft driving body 11 Support body 15 Turning portion 17 Hole processing portion 20 Water tank 22 Water tank transfer portion 25 Wire electrical discharge processing portion 27 Cutting tool processing portion 30 Supply head 32 Receiving head 33 Pulley 34 Pulley 100 Composite electric discharge processing device (A) Hole processing Process (B) Disc work gripping process (C) Whole surface processing process (D) Hole processing process (E) Loading process (F) Finishing process CH Cutting tool , processing tool KU Drive part P Center hole OU Hydraulic unit O Pressure oil Y wire W liquid

Claims

A horizontally arranged rotary output shaft, a disk work installed and pivoted on the rotary output shaft, and a water tank arranged on the outer peripheral lower surface side of the disk work to immerse the outer peripheral lower surface in liquid ;
A wire electric discharge machining portion disposed in the water tank to perform electric discharge machining on the outer peripheral lower surface of the disk work ;
An apparatus for peripheral electric discharge machining of a disk work, comprising:

Against disc workpiece to be pivoted are mounted on the rotary output shaft which is horizontally disposed, together immersed in the liquid in the water tank disposed to the outer peripheral lower surface of the circular plate work in this downward wire electric discharge machining which is disposed in the water tank A method for outer periphery electric discharge machining of a disk work, characterized in that the outer periphery lower surface of the disk workpiece is electric discharge machined by the part and the outer periphery of the disk workpiece is machined by rotational drive of the rotation output shaft.

A horizontally arranged rotary output shaft, a disk work installed and pivoted on the rotary output shaft, a processing tool arranged above for cutting the outer periphery and the side surface of the disk work, and the disk work And a water tank for immersing the outer peripheral lower surface in liquid ,
A wire electric discharge machining portion disposed in the water tank to perform electric discharge machining on the outer peripheral lower surface of the disk work ;
An apparatus for complex electric discharge machining of a disc work, comprising:

Against disc workpiece to be pivoted are mounted on the rotary output shaft which is horizontally arranged, while cutting the periphery and sides of the disc workpiece by the processing tool disposed above the disc workpiece, the disc workpiece The outer peripheral lower surface is immersed in the liquid in the water tank disposed below this, and the outer peripheral lower surface of the disk work is discharged by the wire electric discharge machining portion arranged in the water tank, and the outer surface of the disk workpiece is rotated by the rotation output shaft. The composite electric discharge machining method of the disk workpiece characterized by processing a periphery.

A disc chuck for gripping the outer periphery of the disc workpiece on the occasion of the center hole of the disc workpiece to the reference inner diameter finish, the intermediate position of the rotary output shaft of the disc workpieces freed from the grip of the disc chuck horizontally arranged A support shaft drive body mounted on the shaft, a turning portion for turning the outer periphery and the side surface of the disc work by rotation of the support shaft drive body, a hole forming portion for boring the side surface of the disc work, and the circle A water tank transfer unit for carrying a water tank under the disk work so as to immerse the outer peripheral lower surface of the plate work in the liquid, and the water tank transfer unit disposed in the water tank of the water tank transfer unit to discharge the outer periphery of the disk work by rotational drive of the rotation output shaft What is claimed is: 1. A composite electric discharge machining apparatus for a disk work, comprising: a wire electric discharge machining unit to be machined; and a cutting tool machining unit to finish the outer peripheral surface of the disk work after electric discharge machining with a cutting tool.

A hole processing step of finishing the center hole of the disk work gripped by the disk chuck with a reference inner diameter, a disk work grasping step mounted at an intermediate position of the rotary output shaft on which the disk work is horizontally disposed, and the disk In order to immerse the outer peripheral lower surface of the above-mentioned disk work into the liquid below the disk work so as to immerse the outer peripheral lower surface of the above-mentioned disk work in the whole surface processing step of turning the outer periphery and side of the work with a turning tool A carrying-in step of carrying in the water tank, an outer periphery working step of performing electric discharge machining on the outer periphery of the disk work by rotational driving of the rotation output shaft by the wire electric discharge machining unit arranged in the water tank, and a disk work after the electric discharge machining composite electric discharge machining method of a disc workpiece to a finishing processing step of processing the outer peripheral surface at the cutting tool, in that it consists characterized.