A kind of electrolysis-broaching compound processing method

A technology of composite processing and electrolyte, which is applied in the field of special processing, can solve problems such as the inability to fundamentally improve the performance of broaching processing, achieve clear principles, solve serious tool wear, and improve process performance.

Active Publication Date: 2020-07-14
YANGZHOU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, researchers have tried to improve the performance of broaching processing in various aspects such as changing the lubrication method, optimizing the structure design of the broach, matching the material relationship and the surface coating of the tool, and have achieved certain results, but they still cannot fundamentally improve the broaching process. Processing performance

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  • A kind of electrolysis-broaching compound processing method
  • A kind of electrolysis-broaching compound processing method
  • A kind of electrolysis-broaching compound processing method

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with accompanying drawing:

[0026] Such as figure 1 As shown, an electrolysis-broaching composite processing method includes an insulating separator 1, a porous metal plate electrode 2, a porous metal plate electrode inner flow channel 3, a cutter electrode matrix 4, a cutter body inner flow channel 5, and a broaching blade 6. Broaching edge 7, workpiece 8, electrochemical corrosion layer 9, electrochemical corrosion product 10, air bubbles 11, broaching chips 12; broaching blade 6 and porous metal plate electrode 2 are alternately separated by insulating separators 1, between the two No current loop can be formed between them; the distance between the tip of the broaching blade 7 and the electrode 2 of the porous metal plate should not be less than 0.5mm;

[0027] figure 2 As shown, an electrolysis-broaching composite processing method includes an electrolyte inlet 13, an electrolytic circulating ...

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Abstract

An electrolysis-broaching composite processing method belongs to the field of special processing technology. The low-concentration neutral salt solution passes through the internal flow channel and is transported from the pores of the porous metal plate to the processing gap; The corresponding area on the surface forms electrochemical corrosion, which reduces the mechanical properties of the matrix material on the surface of the workpiece. The broaching blade cuts into the workpiece, easily removes excess material on the surface, and exposes fresh matrix material; as the tool electrode continues to move forward, the next piece of porous metal plate The electrode performs electrochemical corrosion on the fresh matrix material exposed on the surface of the workpiece again, and the surface corrosion layer is cut off by the next broaching blade, thereby exposing the fresh matrix material again; the invention improves the process performance of broaching and improves the processing quality And tool life, reducing the overall processing costs.

Description

technical field [0001] The invention belongs to the technical field of special processing and relates to a broaching processing method, in particular to an electrolysis-broaching composite processing method which can improve broaching processing performance and tool wear and reduce processing energy consumption. Background technique [0002] Broaching is realized on a broaching machine by using a special broach, which can be used for processing various through holes and internal and external surface structures without obstacles. The broaching process has significant advantages such as high production efficiency, good forming precision, low surface roughness, and good consistency of the processed surface, and is widely used in the fields of marine, aerospace, energy, vehicles and other construction machinery. [0003] Broaching processing is usually carried out under low-speed and heavy-load conditions. The extrusion friction between the broach flank and the workpiece process...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23H5/06
CPCB23H5/06
Inventor 葛永成孙小光朱永伟
Owner YANGZHOU UNIV
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