WO1987003521A1 - Guide de support a trois points pour machine a electrode-fil de coupe par decharge electrique - Google Patents

Guide de support a trois points pour machine a electrode-fil de coupe par decharge electrique Download PDF

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Publication number
WO1987003521A1
WO1987003521A1 PCT/JP1986/000630 JP8600630W WO8703521A1 WO 1987003521 A1 WO1987003521 A1 WO 1987003521A1 JP 8600630 W JP8600630 W JP 8600630W WO 8703521 A1 WO8703521 A1 WO 8703521A1
Authority
WO
WIPO (PCT)
Prior art keywords
guide
wire
wire electrode
movable member
point support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP1986/000630
Other languages
English (en)
Japanese (ja)
Inventor
Toshiyuki Aso
Yuki Kita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fanuc Corp
Original Assignee
Fanuc Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fanuc Corp filed Critical Fanuc Corp
Publication of WO1987003521A1 publication Critical patent/WO1987003521A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/02—Wire-cutting
    • B23H7/08—Wire electrodes
    • B23H7/10—Supporting, winding or electrical connection of wire-electrode

Definitions

  • the present invention relates to a guide for supporting a wire electrode of a wire electric discharge machine, and more particularly to a three-point support guide for supporting a wire electrode at three points. It is.
  • V-groove-shaped guides and die-shaped guides are known as wire electrode guides provided above and below a workpiece.
  • the V-groove guide is unstable because it supports the wire electrode at two points.
  • a movable member is provided at the opening of the V-groove guide and the movable member is used.
  • a three-point support guide for pressing the wire electrode and supporting the wire electrode at three points is also known.
  • the movable member In the case of this type of three-point support guide, the movable member must be held at the wire electrode support position, and a holding mechanism for that purpose is required. In particular, it is unfavorable that the movable member is moved by the fluctuation of the pressure of the working fluid injected into the guide portion and the support position of the wire electrode fluctuates. Disclosure
  • An object of the present invention is to improve the above-described conventional technique so that the three-point support guide does not change the position of the movable electrode supporting the movable member due to the pressure fluctuation of the working fluid. And provide a fc three-point support guide.
  • Another object of the present invention is to provide a three-point support guide capable of adjusting the pressing force of the movable member on the wire electrode. It is here.
  • the present invention provides a wire electric discharge machine in which a wire electrode is pressed and supported at three points by a V-shaped guide and an electrode support surface of a movable member.
  • the machining fluid injected into the guide portion where the V-groove guide and the electrode support surface of the movable member are arranged is guided to a predetermined position of the movable member.
  • a liquid introducing means is provided, and the pressure of the processing liquid applied to the electrode supporting surface of the movable member is offset by the pressure of the introduced processing liquid.
  • the force for pressing and supporting the wire electrode is increased due to the change in the pressure of the liquid applied to the guide portion and acting on the support surface of the movable member that presses and supports the wire electrode. Even if it fluctuates, the combined pressure of the working fluid applied to the movable member and the amount of variation become zero because the pressure of the working fluid is also applied to the predetermined part of the movable member.
  • the movable member does not move due to the pressure fluctuation of the liquid, and always presses and supports the wire electrode with a predetermined supporting force.
  • one end of a spring for urging the movable member toward the wire electrode is attached to the movable member, and the other end of the spring is adjusted to move in the axial direction of the movable member.
  • the movable member is attached to a possible holding member, and the force of pressing the wire electrode by the movable member can be adjusted by adjusting the position of the holding member.
  • FIG. 1 is a front sectional view of a three-point support guide according to one embodiment of the present invention
  • FIG. 2 is a wire electrode three-point support part shown in FIG. FIG.
  • the V-groove guide 1 has one half having a hole at the center and the other half having a substantially semicircular cross-sectional shape. In the other half, a V-groove 1a is formed along the axis.
  • the V-groove guide 1 is fixed to the pedestal 12 with a port (not shown) or the like at a flange portion 1b which forms a part of a half of the V-groove guide 1.
  • a die base 2 accommodating the V-groove guide ⁇ ⁇ is fixed by a port or the like (not shown).
  • a nozzle 3 is screwed to the upper end of the die base 2.
  • the pedestal 12 is fixed to the guide base 3 with a port hole 25.
  • a cylinder 6 is fixed to one side of the peripheral surface of the die base 2, and a piston 5 is accommodated in the cylinder 6, and the cylinder 5 is fixed to the cylinder 6.
  • the inner end face of the female rod 4 fixed to the V-groove guide 1 faces the V-groove section 1a of the V-groove guide 1, and one end is fixed to the V-groove guide 1.
  • the other end of the plate panel 1 that is free to bias is pressed.
  • a wire electrode support member 10 such as a ruby is fixed to the other end of the panel panel 1 ⁇ , and the wire electrode support member 10 connects a wire electrode P on its electrode support surface.
  • the wire electrode P is pressed against the V-groove 1a of the V-groove guide 1 to support the wire electrode P at three points in cooperation with the two electrode support surfaces of the V-groove 1a.
  • a holding member 8 is attached to the outer end of the cylinder 6, and the holding member is provided on the anti-wire arm pole P side of the screw rod 4. The outer end of the rod is accommodated, and a space 9 is formed between the rod and the outer end surface of the rod.
  • a spring 17 is provided between the inner end face of the holding member 8 and the opposite end face of the above-mentioned screw 5, and the piston 5 is moved by the spring 17. ⁇ ⁇ Press to the left in the figure and push piston rod 4 to the left in the figure.
  • the piston rod 4 is provided with a hole 7 as a machining fluid passage along the axis thereof, and the inner open end of the hole 7 is formed on the die base 2.
  • a guide hole is formed in the outer peripheral surface of the piston rod 4 in the center hole for housing, that is, in the guide portion in which the members 1 and 10 are arranged.
  • the outer open end of the hole 7 is open to the outer end face of the holding member 8 facing the space 9 so that the working liquid injected into the guide can pass through the hole 7.
  • the fluid is guided to the space 9 so that the working fluid pressure is applied to both end faces of the screw rod 4.
  • the effective pressure receiving areas to which the machining fluid pressure is applied on both end surfaces of the bistro rod 4 are formed so as to be equal to each other.
  • a hole 24 is provided at the inner end of the cylinder 6. The cylinder 6 is passed through the air hole 18 provided in the pedestal 12 and the hole 23 provided in the die base 2 so that both ends are aligned with the holes 18 and 24, respectively.
  • Reference numeral 14 denotes a working fluid inlet hole provided in the guide base 13, and a working fluid from a working fluid supply source (not shown) was provided in the hole 14 and the pedestal 12.
  • Hole 20, hole 21 provided in flange portion 1 b of V-groove guide 1, large-diameter internal space provided at the lower end of die base 2, and die space It passes through the holes 22 provided in the case 2 sequentially, and blows out from the nozzle holes of the nozzle 3 into the discharge processing area.
  • 16 and 19 are air holes
  • ⁇ 5 is a hole for injecting a processing liquid into the wire electrode P insertion hole formed in the guide base 13
  • W is a workpiece Is a thing.
  • the wire P is connected to the V-groove of the V-groove guide 1 by the material 10.
  • wire electrode P is connected to member 10 and V-groove 1a.
  • the working fluid When the working fluid is injected, the working fluid is filled with holes 14, 20, 21,
  • the pressure of the processing liquid is applied to both end faces of the rod 4,
  • the components are virtually zero, and even if the pressure of the machining fluid fluctuates,
  • Stone rod 4 is plate panel 1, wire electrode holding member 10
  • the force that presses the wire electrode P via the wire does not fluctuate.
  • Pressing is always performed with a predetermined force.
  • wiring is performed by a cylinder mechanism such as a cylinder.
  • the cylinder and the piston mechanism The same machining fluid is provided on the wire electrode support side end face and the opposite end face of the movable member that moves the wire electrode support member 10 to support the wire electrode by moving the wire electrode support member 10.
  • the movable members may be urged toward the wire electrode support side by a panel or the like, and the pressure of the processing liquid may be evenly applied to both end surfaces of the movable members.
  • the working fluid introduced into the guide portion may be guided to the end face of the movable member opposite to the wire electrode support side so as to be added to the wire.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

Dans une guide de support à trois points de l'électrode-fil d'une machine à électrode-fil de coupe par décharge électrique, un liquide de traitement est introduit dans un guide (1) à encoche en V et est conduit par un trajet de guidage (7) du liquide de traitement formé sur la surface terminale de l'organe mobile (4) opposée à l'encoche de guidage de l'électrode-fil, de sorte que la pression du liquide de traitement agit également sur les deux surfaces terminales de l'organe mobile (4) qui arme et soutient une électrode-fil (P) et l'encoche en V du guide-fil indépendamment des changements de pression du liquide de traitement introduit dans le guide (1).
PCT/JP1986/000630 1985-12-12 1986-12-12 Guide de support a trois points pour machine a electrode-fil de coupe par decharge electrique Ceased WO1987003521A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP60/278060 1985-12-12
JP27806085A JPS62157725A (ja) 1985-12-12 1985-12-12 ワイヤ放電加工機の３点支持ガイド

Publications (1)

Publication Number Publication Date
WO1987003521A1 true WO1987003521A1 (fr) 1987-06-18

Family

ID=17592093

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1986/000630 Ceased WO1987003521A1 (fr) 1985-12-12 1986-12-12 Guide de support a trois points pour machine a electrode-fil de coupe par decharge electrique

Country Status (2)

Country Link
JP (1) JPS62157725A (fr)
WO (1) WO1987003521A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5003148A (en) * 1988-10-11 1991-03-26 Fort Wayne Wire Die, Inc. Method of threading electrode through EDM guide
US5045661A (en) * 1988-03-15 1991-09-03 Fanuc Ltd Wire electrode guide apparatus in a wire-cut electric discharge machine

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03111128A (ja) * 1989-09-27 1991-05-10 Fanuc Ltd 開閉ワイヤガイド

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5525012B2 (fr) * 1973-08-06 1980-07-03
JPS59100528U (ja) * 1982-12-23 1984-07-06 ジヤパツクス株式会社 ワイヤカツト放電加工のワイヤ電極ガイド
JPS59232728A (ja) * 1983-06-14 1984-12-27 Inoue Japax Res Inc ワイヤカット放電加工に於けるワイヤ電極の位置決めガイド装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5525012B2 (fr) * 1973-08-06 1980-07-03
JPS59100528U (ja) * 1982-12-23 1984-07-06 ジヤパツクス株式会社 ワイヤカツト放電加工のワイヤ電極ガイド
JPS59232728A (ja) * 1983-06-14 1984-12-27 Inoue Japax Res Inc ワイヤカット放電加工に於けるワイヤ電極の位置決めガイド装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5045661A (en) * 1988-03-15 1991-09-03 Fanuc Ltd Wire electrode guide apparatus in a wire-cut electric discharge machine
US5003148A (en) * 1988-10-11 1991-03-26 Fort Wayne Wire Die, Inc. Method of threading electrode through EDM guide

Also Published As

Publication number Publication date
JPS62157725A (ja) 1987-07-13
JPH059213B2 (fr) 1993-02-04

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