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Manufacturing method of integrated bicycle axle leather

A manufacturing method and bicycle technology, applied to bicycle accessories, transportation and packaging, etc., can solve the problems of low production efficiency, slow production speed, and many waste and defective products, and achieve the effects of saving production costs, improving production efficiency, and realizing automation

Inactive Publication Date: 2012-03-14
阮云忠
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AI Technical Summary

Problems solved by technology

This kind of production method has many processes, is complicated, consumes a lot of materials, has slow production speed, low production efficiency, and the quality of the produced products is unstable, and there are many waste and defective products.

Method used

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Embodiment Construction

[0014] A manufacturing method for integrally formed bicycle axle skins, the first step: selecting round and straight steel pipes; the second step: rolling the round straight steel pipes through a fully automatic numerical control rolling machine, and then cutting them into bicycle axle skins by a numerically controlled automatic cutting machine The required length; shape, the third step: use a fully automatic CNC machine tool to roll the shaft skin steel bowl bearing holes at both ends of the bicycle shaft skin, and then remove the excess waste of the shaft skin steel bowl bearing holes at both ends of the bicycle shaft skin after shrinking Step 4: use a full-automatic numerical control extruder to extrude the rolled and compressed bicycle axle skin material into a complete one-piece bicycle axle skin. Step 5: Use a CNC punching machine to punch the spoke holes on the faceplate of the one-piece bicycle shaft skin, then install the shaft rollers at both ends of the tube core of ...

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PUM

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Abstract

The invention discloses a manufacturing method of integrated bicycle axle leather, which comprises the following steps of: selecting a round straight steel pipe; carrying out moulding by rolling on the round and straight steel pipe through utilizing an fully-automatic numerical-control roller press, and cutting the moulded steel pipe by utilizing a numerical-control automatic cutter; rolling by utilizing a fully-automatic numerical-control lathe to contract axle leather steel bowl bearing holes at two ends of the bicycle axle leather, and removing redundant scrap edges of the contracted axle leather steel bowl bearing holes at two ends of the bicycle axle leather; extruding a bicycle axle leather blank which is moulded by rolling and contacted by rolling, by using a fully-automatic numerical-control extruder, to form complete integrated bicycle axle leather; punching spoke holes on a disc chuck of the integrated bicycle axle leather by using a numerical control punching machine; and forming chamfers on the spoke holes to obtain the bicycle axle leather. The manufacturing method disclosed by the invention has the beneficial effects of less production procedures, implementation of production automation, improved production efficiency, saved production cost and good product quality.

Description

technical field [0001] The invention relates to a method for manufacturing a bicycle hub, in particular to a method for manufacturing an integrally formed bicycle hub. Background technique [0002] At present, the production of bicycle axle skins is to first cut the steel pipe according to the length of the axle skin, and then produce the middle pipe and the two faceplates on the left and right respectively. The middle pipe of the axle skin needs to be rounded and turned; Punch stretching, annealing and softening treatment, punch extrusion molding, edge trimming and punching, lathe turning into a faceplate, using a hydraulic press to cold press the middle tube and the left and right two faceplates to form a shaft skin. This kind of production method process is many, and is complicated, consumes a lot of materials, and production speed is slow, and production efficiency is low, and the quality of the product produced is unstable, and there are many defective products. Conte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D53/86
Inventor 阮云忠
Owner 阮云忠
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