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Method for manufacturing three-hole wire jacket blank

A technology of hole lines and bundles, applied in vehicle parts, railway car body parts, transportation and packaging, etc., can solve the problems of unsatisfactory product comprehensive performance, difficult processing, and lack of quality, and achieve cold extrusion manufacturing. Easy to achieve, fast processing speed, small mold loss

Active Publication Date: 2011-06-01
NINGBO ANCHOR FASTENERS INDAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] With the increase of sports and fitness in people's daily life, the demand for bicycles is also increasing, and the market's demand for bicycle-related supporting parts and components has increased significantly. The hole processing method, its process equipment and the comprehensive performance of the product cannot meet the requirements of the domestic and foreign markets. Its production not only wastes materials, but also has complicated procedures, difficult processing, low efficiency, and the quality cannot be guaranteed accordingly.

Method used

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  • Method for manufacturing three-hole wire jacket blank
  • Method for manufacturing three-hole wire jacket blank
  • Method for manufacturing three-hole wire jacket blank

Examples

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Embodiment Construction

[0017] Refer to attached picture. In the method provided by the present invention, firstly, the billet raw material is subjected to spheroidizing annealing, and then the spheroidizing annealed disc material is rough drawn, and then spheroidized and annealed again, and finely drawn to form a shaped disc whose cross-sectional shape conforms to the three-hole wire harness sleeve. After the material is put into the phosphating pool, the skin is treated with phosphoric acid, and then it is automatically cut into a blank piece 10 of a single three-hole wire harness sleeve in the cold heading machine; Pier handling:

[0018] (1) Use the mechanical fixture to clamp the three-hole wire harness cover blank 10 and send it to the first die opening of the cold extrusion die, and push the three-hole wire harness cover blank into the first die by the punching tool of the first die In the die, there is an ejector rod at the top of the rear end of the die, and the inner wall at the bottom of ...

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Abstract

The invention provides a method for manufacturing three-hole wire jacket blanks, comprising the following steps: spheroidizing billet raw materials; then crudely drawing the spheroidized wire rod materials; then spheroidizing again, finely drawing to manufacture a shaped wire rod material of which the cross section is fit for the three-hole wire jacket blank; putting the shaped wire rod material into a phosphating pool and using phosphoric acid to perform skin treatment; then cutting the shaped wire rod material into separate blanks of each three-hole wire jacket blank; and performing five-station cold heading treatment by a cold heading machine. In the method, method that punching tools are parallel to post rods is utilized to upset three locations and three holes during the shaping process so as to change traditional cold heading technology that one location or one hole can upset once, and the method is fast in processing speed; three holes of the manufactured three-hole wire jacket blank are high in parallelism and excellent in quality.

Description

technical field [0001] The invention relates to a method for manufacturing a blank of a three-hole wire harness cover. Background technique [0002] The three-hole wire harness is an important part of the bicycle brake system and speed control system. Its cross-sectional shape is an arc-shaped ring segment, the outer arc surface of the arc-shaped ring segment is wave-shaped, and the inner arc surface of the arc-shaped ring segment There are axial welding ribs, three axial through holes are arranged in the three-hole wire harness sleeve, the three axial through holes are arranged in a triangle, and the diameter of one end of the axial through holes is small, so that the through holes are in the shape of stepped holes. [0003] With the increase of sports and fitness in people's daily life, the demand for bicycles is also increasing, and the market's demand for bicycle-related supporting parts and components has greatly increased. The hole processing method, its process equip...

Claims

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Application Information

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IPC IPC(8): B21K7/12
Inventor 张金清林正佳
Owner NINGBO ANCHOR FASTENERS INDAL
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