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An electrode and its production method and its method for processing complex internal grooves

An electrode and electrode holder technology, which is used in electric machining equipment, electrode manufacturing, metal processing equipment, etc., can solve the problems of difficult to guarantee the dimensional tolerance of the inner groove, electrode wear, and low electrode life, so as to overcome stress deformation and reduce machining. Cost, overcoming the effect of large machining taper

Active Publication Date: 2018-08-24
XIAN AERO ENGINE CONTROLS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The object of the present invention is: in order to solve the problems in the prior art that the ribs in the middle of the processing electrode are deformed greatly, resulting in the difficulty in ensuring the dimensional tolerance of the inner groove; Its production method and its method for processing complex internal grooves

Method used

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  • An electrode and its production method and its method for processing complex internal grooves
  • An electrode and its production method and its method for processing complex internal grooves
  • An electrode and its production method and its method for processing complex internal grooves

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Embodiment Construction

[0038] see Figure 4 The structure of the specific embodiment of the present invention is a split mosaic structure, including three parts: electrode rod 1, electrode 2, and electrode holder 3; wherein one end of the electrode rod 1 is connected to the spindle chuck of the machine tool through a polished rod, and the other end is connected to the electrode through a thread. Connection with seat 3; there is a hole on electrode seat 3, its shape is consistent with that of electrode 2 and the size gap with electrode 2 is guaranteed to be 0.005mm. Install electrode 2 in the hole of electrode seat 3 and pass through the inner surface of the hole Limit the deformation of the outer surface of the electrode;

[0039] The production method of the split mosaic processing electrode of the present invention comprises the following steps:

[0040] 1) Clamp the fixture on the workbench of the EDM slow-moving wire cutting machine, and use a dial gauge to align the fixture with a positive err...

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Abstract

The present invention is an electrode and its production method and its method for processing complex internal grooves. The electrode includes an electrode rod, an electrode seat, and an electrode. The electrode is connected to the electrode seat. A hole with the same shape as the electrode is arranged on the electrode seat, and the electrode is installed in the hole. The invention solves the problems in the prior art that the ribs in the middle of the processing electrode are deformed greatly, resulting in difficult guarantee of the dimensional tolerance of the inner groove;

Description

technical field [0001] The invention belongs to the field of mechanical processing of aviation machinery parts. In particular, it relates to an electrode, its production method and its method for processing complex internal grooves. Background technique [0002] In aerospace precision bushings, such as figure 1 As shown, there are usually some internal grooves distributed on its inner wall; the internal groove has complex shapes (slots of different widths, transfer fillets of different sizes), small dimensional tolerance (minimum 0.1mm), wall Thick and thin (0.5mm at the thinnest point), deep (5mm), narrow and long in the middle (1mm at the narrowest point, 80mm at the longest). In view of the special structure of the groove, EDM is generally used at present, and the electrode is processed to the final size at one time; there are two commonly used EDM electrode design and manufacturing methods: [0003] 1. Integral structure processing electrodes, such as figure 2 As sh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23H1/04B23H1/00
CPCB23H1/00B23H1/04
Inventor 马永红范周荣杨红茹刘伦云
Owner XIAN AERO ENGINE CONTROLS