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Electrical discharge machine and sensor unit

A technology of electric discharge machine and sensor unit, which is applied in the direction of electric processing equipment, conversion of sensor output, transmission of sensing components by electric/magnetic devices, etc. It can solve the problems of tool electrode positioning accuracy or processing accuracy reduction, and achieve simple and cost-effective , low cost, high precision effect

Pending Publication Date: 2022-01-07
SODICK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, there is a problem that the position of the tool electrode is shifted to cause a decrease in positioning accuracy or machining accuracy.

Method used

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  • Electrical discharge machine and sensor unit
  • Electrical discharge machine and sensor unit
  • Electrical discharge machine and sensor unit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0061] (1.1 Overall structure of the wire electric discharge machine 100)

[0062] Hereinafter, embodiments of the present invention will be described in detail using the drawings. figure 1 It is a perspective view showing the outline of the wire electrical discharge machine 100 according to the embodiment of the present invention.

[0063] The present invention is applied to a wire electric discharge machine and a shape-carving electric discharge machine, but in the embodiments described below, a wire electric discharge machine will be described as an example.

[0064] In addition, in the following description, the surface on the side where the vertical arm 61 is provided on the U-axis slider 51 ( figure 1 On the paper, the surface when the machine is viewed from the negative direction of the Y-axis) is set as the front. And the rear side is made into the back side facing the front, and the right-hand side and the left-hand side are made into the side surface when facing th...

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PUM

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Abstract

The invention provides an electric discharge machine and a sensor unit, which can correct the position offset of a shaft driving part caused by temperature change through simple and minimal improvement, and has high precision. An electric discharge machine includes: a shaft drive unit (5) that moves a tool electrode in at least one axial direction; and a sensor unit (4, 34) that detects the linear movement position of the shaft drive unit (5) in the axial direction, the sensor unit (4, 34) comprising: a linear measurement scale (421); a position detection unit (44) that scans the measurement scale (421) to obtain position information; and a pair of adjustment blocks (41, 41) which are fixed to both ends of the measuring scale (421) or the position detection unit (44), and which are vertically provided so as to be perpendicular to the direction in which the measuring scale (421) extends, wherein the adjustment blocks (41, 41) are fixed to the shaft drive unit (5) and bend in the axial direction due to temperature changes.

Description

technical field [0001] The present invention relates to an electrical discharge machine for machining a workpiece using a tool electrode, and a sensor unit with an adjustment block. Background technique [0002] Conventionally, there is known an electric discharge machine that processes a workpiece using a tool electrode. An electrical discharge machine uses the electrical discharge phenomenon between the workpiece and the tool electrode to process. Therefore, it can precisely process high-hardness materials such as hard metals and ceramics that are difficult to cut by cutting. [0003] In recent years, from the viewpoint of improving durability, high-hardness materials are used for various parts such as molds, and high-level machining accuracy is required for electrical discharge machines. [0004] In electric discharge machining, there are mainly wire electric discharge machining in which a wire such as tungsten or brass is used as a tool electrode, and the workpiece is c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H7/02B23H7/10B23H11/00G01B5/00
CPCB23H7/02B23H7/10B23H11/00G01B5/00G01D5/34753G01D5/24442G01D5/34G01D5/20B23H7/32B23H2500/20
Inventor 坂口昌志
Owner SODICK CO LTD