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Inward-flushing type electrode brush for electric spark machining

An electrode brush and electric spark technology, applied in the field of internal flushing electrode brush, can solve the problems of difficult chip removal and carbon deposition, and achieve the effect of improving the service life of electrodes, avoiding transition loss, and improving product processing quality

Active Publication Date: 2015-07-15
HARBIN TURBINE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the problems that existing electrode brushes are not easy to remove chips and easily cause carbon deposition during semi-closed oil immersion processing, and proposes an internal flushing type electrode brush for EDM

Method used

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  • Inward-flushing type electrode brush for electric spark machining
  • Inward-flushing type electrode brush for electric spark machining
  • Inward-flushing type electrode brush for electric spark machining

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0013] Embodiment 1: An internal flushing electrode brush for EDM in this embodiment is composed of an electrode brush body module unit and an elastic compression unit with elastic elements; the electrode brush body module unit is made of copper Tube electrode 1, sealing ring 2, through hole 3, electrode brush body 4 and baffle plate 5; the elastic pressing unit is composed of pressing piece 6, spring 7, top wire 8 and end gap 13; the electrode There are horizontal oil passages 9 and vertical oil passages 10 in the brush body 4. The copper tube electrode 1 communicates with the through oil passage composed of the vertical oil passage 10 and the through hole 3. The open end of the horizontal oil passage 9 is opened in the oil seal. There are 11 threads; the copper tube electrode 1 is connected to the electrode brush body 4 through the sealing ring 2, the through hole 3, the baffle plate 5 and the end gap 14; the pressing part 6 is nested in the electrode brush body 4, and the pr...

specific Embodiment approach 2

[0019] Embodiment 2: This embodiment is a further description of Embodiment 1. The electrode brush body 4, baffle plate 5, pressing member 6, spring 7 and top wire 8 are all made of stainless steel.

[0020] Wherein the baffle plate 5 is used to block the sealing ring 2 and falls off when the copper tube electrode 1 is assembled and disassembled.

specific Embodiment approach 3

[0021] Embodiment 3: This embodiment is a further description of Embodiment 1 or 2. The material of the copper tube electrode 1 is red copper or brass, which passes through the through hole 3, the vertical oil passage 10 and the horizontal oil passage 9 connected.

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PUM

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Abstract

The invention provides an inward-flushing type electrode brush for electric spark machining, and relates to inward-flushing type electrode brushes. By means of the inward-flushing type electrode brush for electric spark machining, the problems that chips are not easy to discharge and carbon deposition occurs easily when an existing electrode brush is used in semi-closed type oil immersion machining are solved. The inward-flushing type electrode brush for electric spark machining is composed of an electrode brush body module unit and an elasticity and compression unit with elastic elements. The electrode brush body module unit is composed of a copper pipe electrode 1, a sealing ring 2, a through hole 3, an electrode brush body 4 and a dam board 5. The elasticity and compression unit comprises a compression part 6, a spring 7 and a fastening screw 8. A transverse oil way 9 is arranged inside the electrode brush body 4, one end of the transverse oil way 9 is communicated with the copper pipe electrode 1 through a vertical oil way 10 and the through hole 3, and the other end of the transverse oil way 9 is connected with sealing inner threads 11. The inward-flushing type electrode brush for electric spark machining can be applied to the field of electric spark non-traditional machining.

Description

technical field [0001] The invention relates to an inner flushing type electrode brush. Background technique [0002] At present, as a special processing method, EDM has been widely used in manufacturing fields such as automobile industry, aerospace, and electric equipment. The advantages of realizing the automation of the machining process have made EDM more and more important in the realization of parts technology. One of the prerequisites for EDM is to prepare suitable electrodes. Electrode preparation directly affects whether the processing goal can be achieved, and also has a decisive impact on processing quality and processing efficiency. [0003] In the field of gas turbine manufacturing, due to the use of a large number of difficult-to-machine materials such as high-temperature alloys, coupled with many special and complex design structures, special processing technology, especially EDM technology, has been widely used, which is one of the signs that distinguish gas...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23H9/14
Inventor 季东军付志刚董生权贾春艳高楠楠太秀滨王凯王超周珩磊乔勇
Owner HARBIN TURBINE