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Composite cathode of closed whole component flow channel

A technology of integral components and composite cathodes, which is applied in the direction of processing electrodes, electrode manufacturing, electric processing equipment, etc., can solve the problems of low EDM efficiency and poor surface roughness, so as to improve production efficiency, reduce production costs, and improve product quality. quality effect

Active Publication Date: 2014-04-23
XIAN TECHNOLOGICAL UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The efficiency of EDM is low and the surface roughness is poor

Method used

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  • Composite cathode of closed whole component flow channel
  • Composite cathode of closed whole component flow channel
  • Composite cathode of closed whole component flow channel

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Embodiment Construction

[0019] The present invention will be described in more detail below in conjunction with the accompanying drawings and specific embodiments.

[0020] see figure 1 , a composite cathode of a closed integral component flow channel, including a front punch 1, a reaming end piece 2, a molded body 3 and a tail guide sleeve, and the inside of the front punch 1, the molded body 3 and the tail guide sleeve 7 are arranged in sequence connected channel.

[0021] The front punch 1 is a copper-tungsten alloy tube coated with epoxy resin insulation on the outer wall, and a polishing ring is left at the front end.

[0022] The molded body 3 is made of brass, and its outer contour is in the shape of a pistol. Except for the end of the gun barrel, the working surface of the curved section at the waist of the gun stock and the cone at the tail of the gun stock, the rest of the non-processed surfaces are coated with epoxy resin Insulation, the gun barrel and the brass material welded ...

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PUM

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Abstract

The invention relates to a composite cathode of a closed whole component flow channel. In a domestic method, electrolysis and electric spark combined machining is adopted, an electrolysis machining procedure serves as a rough machining procedure, and the flow channel electrolysis machining procedure is divided into a hole forming (slotting) procedure and a shaping, and only can be finished by changing a plurality of cathodes. The composite cathode of the closed whole component flow channel comprises a front punch, a reaming end plate, a forming body and a tail guide sleeve, and is characterized in that channels which are connected to one another sequentially are formed in the front punch, the forming body and the tail guide sleeve; the outer contour of the forming body is in the shape of a gun; a gun barrel of the forming body, together with the reaming end plate welded at the end of the gun barrel, is designed into a rectangle according to the shape of a throat of the closed whole component flow channel; and a frustum at the tail of a gun stock of the forming body is matched with a taper hole of the tail guide sleeve. By using the composite cathode of the closed whole component flow channel, hole forming and shaping on the flow channel can be finished at one step by front end hole forming, reaming, waist shaping and tail positioning; the production efficiency is greatly improved; the quality of products is also improved; and the production cost is reduced.

Description

technical field [0001] The invention relates to the technical field of electrolytic machining, in particular to a composite cathode for electrolytic machining of a flow channel of a closed integral component. Background technique [0002] The closed integral component is closed on both sides, and its flow channel is a variable-section special-shaped cavity with a narrow throat, and the CNC milling does not have tool accessibility; due to working under high temperature, high pressure, and high speed conditions, strict requirements are placed on the material , At present, special high-strength stainless steel is used. The efficiency of EDM is low and the surface roughness is poor. Domestically, it is proposed to use electrolysis-EDM combined machining, with the electrolytic machining process as the rough machining process, and the flow channel electrolytic machining is divided into two processes of hole (grooving) and copying, and it can only be completed by replacing multip...

Claims

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Application Information

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IPC IPC(8): B23H3/04
Inventor 唐霖范植坚范庆明王天诚贾建利康保印段秋丽李博
Owner XIAN TECHNOLOGICAL UNIV
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