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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  • Abstract
  • Description
  • Claims
  • Application Information

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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 t

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

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[0017] Refer to the attached drawings. The method provided by the present invention firstly spheroidizes and anneals the raw material of the steel billet, then rough draws the spheroidized annealed disk material, then performs spheroidization annealing again, and finely draws a forming disk circle whose cross-sectional shape conforms to the three-hole harness sleeve After the material is put into the phosphating tank, the skin is treated with phosphoric acid, and then it is automatically cut into a single three-hole wire harness blank 10 in the cold heading machine; then, the cold heading machine is used for the following five-station cold Pier treatment:

[0018] (1) Use a mechanical clamp to clamp the three-hole wire harness cover blank 10 and send it to the first die of the cold extrusion die, and the three-hole wire harness cover blank is pushed into by the punch of the first die In the die, there is a ejector pin at the back end of the die, and the inner wall of the bottom ...

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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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