CN1597215A - Method of processing revolving surface on wire-cutting lathe - Google Patents

Method of processing revolving surface on wire-cutting lathe Download PDF

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Publication number
CN1597215A
CN1597215A CN 200410011037 CN200410011037A CN1597215A CN 1597215 A CN1597215 A CN 1597215A CN 200410011037 CN200410011037 CN 200410011037 CN 200410011037 A CN200410011037 A CN 200410011037A CN 1597215 A CN1597215 A CN 1597215A
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China
Prior art keywords
workpiece
wire electrode
wire
axis
rotary surface
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Pending
Application number
CN 200410011037
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Chinese (zh)
Inventor
杨兆军
张海薇
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Jilin University
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Jilin University
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 Jilin University filed Critical Jilin University
Priority to CN 200410011037 priority Critical patent/CN1597215A/en
Publication of CN1597215A publication Critical patent/CN1597215A/en
Pending legal-status Critical Current

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  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

A method for machining a rotating surface on wire cutting machine features that rotary unit for the workpiece to be machined is fixed to the tool carriage no bench and said workpiece is fixed to the manishaft of said rotary unit. As a result, the workpiece is moving on a plane while it is rotating. The wire electrode is perpendicular to its rotating axis for machining.

Description

The method of processing rotary surface on wire cutting machine tool
Technical field
The process of ablation processing the present invention relates to discharge on wire cutting machine tool.This method is particularly suitable for processing small slender axles and fine axle.
Background technology
Along with the precise treatment day by day of electronic product, integrated and microminiaturized, the process requirements of small slender axles, fine axle and complicated shape rotary surface will increase gradually.But the strength and stiffness of small axle are extremely low, and existing cutting technology (as turning, grinding) is because the existence of cutting force, very easily cause the distortion of workpiece and fracture, and are difficult to process small slender axles and fine axle.Do not have cutting force on the macroscopic view during wire cutting machine tool processing work, but traditional wire cutting technology all is that workpiece is fixed on the planker, does plane motion with planker, therefore can only processes straight wall surface, can not process rotary surface.
Summary of the invention
The objective of the invention is to propose a kind of method of on wire cutting machine tool, processing rotary surface, can only process straight wall surface, can not process the technical problem of rotary surface to solve wire cutting machine tool.
The present invention processes the method for rotary surface on wire cutting machine tool, be on the wire electrode cutting bench planker, to set firmly a work spindle slewing equipment, workpiece to be machined is installed on this work spindle slewing equipment, when workpiece is done plane motion with planker, also do continuous gyration around its axis of rotation, axis of rotation and wire electrode are spatial vertical or space intersection position, by the relative motion generate rotary surface between wire electrode and the workpiece, the discharge ablation of workpiece is removed allowance by wire electrode.
The method that adopts the present invention to process rotary surface on wire cutting machine tool has increased the technology content of wire cutting machine tool, makes wire cutting machine tool can process various rotary surfaces.The outer rotary surface that is difficult to process the small slender axles that maybe can not process and fine axle, particularly small multidiameter and fine multidiameter and different shape complexity on the machining lathe all can utilize process of the present invention to process.
Process of the present invention can be processed the rotary surface of diameter 0.05~10mm, can process axial workpiece and complicated shape rotary surfaces such as isometrical axle, multidiameter, can process draw ratio greatly to 20: 1 slender axles, can the little annular groove that adds the minimal width of the minimum discharging gap of twice to the wire electrode diameter of working width.
Description of drawings
Fig. 1 is the work schematic diagram of processing method of the present invention;
Fig. 2 is that A shown in Fig. 1 is to view;
Fig. 3 is that B shown in Fig. 1 is to view.
Fig. 4 is the fine outward appearance stereoscan photograph that this method processes;
Fig. 5 is the fine surface roughness AFM detected image that this method processes.
The specific embodiment
Further processing method of the present invention is elaborated below in conjunction with embodiment and accompanying drawing.
Embodiment
The processing diameter is that 0.08mm, length are the fine axle of carbide alloy of 1.6mm on the DK7725 numerically controlled wire cutting machine.
Its practice is:
Referring to figs. 1 through 3, the present invention processes the method for rotary surface on wire cutting machine tool, be on the wire electrode cutting bench planker, to set firmly a work spindle slewing equipment that constitutes by spindle motor 1, workpiece to be machined 3 is installed on this workpiece slewing equipment by the chuck 2 that is installed in front-end of spindle, when workpiece is done plane motion with planker, also do continuous gyration around its axis of rotation 5, axis of rotation 5 is spatial vertical or space intersection position with wire electrode 4, by the relative motion generate rotary surface between wire electrode and the workpiece, the discharge ablation of workpiece is removed allowance by wire electrode.
The continuous gyration of said workpiece is meant the gyration that workpiece 3 is done around workpiece axis of rotation 5; Workpiece axis of rotation and wire electrode 4 are spatial vertical or space intersection and are meant spatial vertical or space intersection between axis of rotation 5 and the wire electrode 4.As shown in Figure 2, the outer surface of wire electrode 4 and axis 5 can not intersect, and the distance between the two is the radius and the discharging gap sum of workpiece.
The motion of the present invention in process be workpiece gyration n, workpiece plane motion both wire electrode with respect to workpiece at the rectilinear motion of x and y both direction, the linear reciprocating motion v of wire electrode.Wherein the gyration n of workpiece and wire electrode be with respect to the periphery of workpiece at the rectilinear motion generate workpiece of x direction, the gyration n of workpiece and wire electrode with respect to workpiece the synthetic plane motion of x and y both direction can the generate workpiece complicated rotary surface.By wire electrode the discharge ablation of workpiece is removed allowance in the process.
Workpiece spindle device in the accompanying drawing is made up of broadband speed governing spindle motor 1 and the Workpiece clamping head 2 that is installed on the motor shaft, drives workpiece 3 and realizes gyration n.Workpiece spindle device should have 10~500rpm even higher rotation speed change scope, so motor 1 should adopt the broadband buncher.Workpiece spindle device should have good rotating accuracy, so motor 1 should adopt spindle motor, can not adopt common buncher.
The present invention does not have active force on the macroscopic view between wire electrode 4 and the workpiece 3 in discharge ablation process, can not cause the distortion of workpiece and fracture, and therefore is particularly suitable for processing small slender axles and fine axle.
It is 2 μ s that present embodiment is selected the discharge pulse width, and the pulse spacing is 6 μ s, and short circuit peak is 2A, and speed of work spindle is 100rpm, has processed the fine axle of diameter 0.08mm.Accompanying drawing 4 is picture shot under SEM, be cut to small sample after, detect through AFM, obtain the detection image of accompanying drawing 5, its surface roughness is Ra0.473 μ m.

Claims (1)

  1. One kind on wire cutting machine tool processing rotary surface method, it is characterized in that on the wire electrode cutting bench planker, setting firmly a work spindle slewing equipment, workpiece to be machined is installed on this work spindle slewing equipment, when workpiece is done plane motion with planker, also do continuous gyration around its axis of rotation, axis of rotation and wire electrode are spatial vertical or space intersection position, by the relative motion generate rotary surface between wire electrode and the workpiece, the discharge ablation of workpiece is removed allowance by wire electrode.
CN 200410011037 2004-08-16 2004-08-16 Method of processing revolving surface on wire-cutting lathe Pending CN1597215A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200410011037 CN1597215A (en) 2004-08-16 2004-08-16 Method of processing revolving surface on wire-cutting lathe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200410011037 CN1597215A (en) 2004-08-16 2004-08-16 Method of processing revolving surface on wire-cutting lathe

Publications (1)

Publication Number Publication Date
CN1597215A true CN1597215A (en) 2005-03-23

Family

ID=34662687

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200410011037 Pending CN1597215A (en) 2004-08-16 2004-08-16 Method of processing revolving surface on wire-cutting lathe

Country Status (1)

Country Link
CN (1) CN1597215A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101347846B (en) * 2007-07-19 2010-06-16 东芝机械株式会社 Microscopic geometry cutting device and microscopic geometry cutting method
CN101603815B (en) * 2008-06-13 2012-03-28 鸿富锦精密工业(深圳)有限公司 System and method for checking small line segment figure
CN104174942A (en) * 2014-07-29 2014-12-03 广东工业大学 Electrolytic wire turning equipment for narrow and deep grooves in revolving body
CN106238842A (en) * 2016-09-27 2016-12-21 东北大学 Rotating mechanism and board for low-speed wire cutting linear cutter micro tool electrode
CN106563858A (en) * 2015-10-10 2017-04-19 上海交通大学 Rotational part wire-electrode cutting machining method based on outline approaching method
CN106863623A (en) * 2017-03-17 2017-06-20 广东工业大学 A kind of device of the turning insulating materials that discharges

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101347846B (en) * 2007-07-19 2010-06-16 东芝机械株式会社 Microscopic geometry cutting device and microscopic geometry cutting method
CN101603815B (en) * 2008-06-13 2012-03-28 鸿富锦精密工业(深圳)有限公司 System and method for checking small line segment figure
CN104174942A (en) * 2014-07-29 2014-12-03 广东工业大学 Electrolytic wire turning equipment for narrow and deep grooves in revolving body
CN104174942B (en) * 2014-07-29 2016-12-07 广东工业大学 A kind of electrolytic wire turning equipment of the narrow deep trench of revolving body
CN106563858A (en) * 2015-10-10 2017-04-19 上海交通大学 Rotational part wire-electrode cutting machining method based on outline approaching method
CN106238842A (en) * 2016-09-27 2016-12-21 东北大学 Rotating mechanism and board for low-speed wire cutting linear cutter micro tool electrode
CN106238842B (en) * 2016-09-27 2019-02-05 东北大学 Rotating mechanism and board for low-speed wire cutting linear cutter micro tool electrode
CN106863623A (en) * 2017-03-17 2017-06-20 广东工业大学 A kind of device of the turning insulating materials that discharges

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