Processing method of special electric power fitting taper sleeve taper hole for carbon fibre compound core wires and special device thereof

A tapered hole processing method and technology of electric fittings, which are applied in the field of electric power transmission, can solve the problems of short tool life, high production cost, and high scrap rate, and achieve advantages in cutting and chip removal, meeting shape tolerances, and small contact surfaces. Effect

Inactive Publication Date: 2010-06-02
仝明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the popularization and application of this new technology, the machining of the taper deep hole of the stainless steel taper sleeve of the power fittings tension clamp is all done by drilling and reaming, which has the disadvantage of short tool life. , high production cost, low efficiency, high scrap rate, and the processing accuracy is difficult to meet the design requirements and other defects

Method used

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  • Processing method of special electric power fitting taper sleeve taper hole for carbon fibre compound core wires and special device thereof
  • Processing method of special electric power fitting taper sleeve taper hole for carbon fibre compound core wires and special device thereof
  • Processing method of special electric power fitting taper sleeve taper hole for carbon fibre compound core wires and special device thereof

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings.

[0022] Such as figure 1 , 2 , Shown in 3, the special equipment of the present invention includes the chuck 2 and the middle pallet 7 of the CNC lathe, and also includes the cutter 4 and the tooling that drives the cutter 4 to rotate. The cutter head of the cutter 4 is equally provided with 4 cutting edges (not shown). The tooling is composed of a rotating shaft 8 and a housing 5, the rotating shaft 8 is movably connected to the housing 5 through bearings, and the housing 5 is fixedly connected to the middle support plate 7 through bolts 9.

[0023] Such as image 3 As shown, the end of the rotating shaft 8 facing the chuck 2 is provided with a taper hole 84 connected to the cutter 4, the connecting end of the cutter 4 matches it, and the connecting end of the cutter 4 is inserted into the taper hole 84 for fixed connection. The other end of the rotating shaft 8 pr...

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Abstract

The invention discloses a processing method of a special electric power fitting taper sleeve taper hole for carbon fibre compound core wires and a special device thereof. The processing method comprises the following steps: (1) setting the processing size and the processing procedure of the workpiece for a numerical control machine, and clamping the workpiece to be processed on a clamping chuck of the numerical control machine; (2) starting the numerical control machine, and meanwhile, starting the tooling of the cutter; and milling the workpiece at high speed, wherein the workpiece rotates at the speed of 80-120 rpm, and the cutter rotates at the speed of 1400-2400 rpm. The special device comprises a clamping chuck and a middle backing plate of the numerical control machine, a cutter and a tooling which drives the cutter to rotate, wherein the tooling comprises a rotating shaft and a shell, the rotating shaft is movably connected with the shell through a bearing, and the shell is fixed with the middle backing plate. The invention has the advantages of high machining precision, high production efficiency, long cutter life and low production cost.

Description

Technical field: [0001] The invention relates to the field of electric power transmission, in particular to a method for processing a taper hole of a taper sleeve of a special electric power fitting for a carbon fiber composite core conductor and special equipment thereof. Background technique: [0002] In order to save energy and reduce emissions, my country's power industry has vigorously introduced new technologies and new materials for power transmission in recent years. Among them, the carbon fiber composite core wire and the connecting fittings for the supporting wire are advanced technologies imported from the United States. With the continuous digestion and absorption of imported technology in our country, carbon fiber wires and fittings have been localized, and the State Grid Corporation is gradually promoting this new technology. During the popularization and application of this new technology, the machining of the taper deep hole of the stainless steel taper sleev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B1/00
Inventor 仝明
Owner 仝明
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