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Economic fine blanking method for motorcycles

An economical and motorcycle technology, applied in the field of motorcycle economical fine blanking, can solve the problems of low production efficiency, no market competitiveness of products, high cost of parts, etc., and achieve the effect of improving efficiency, reducing production cost and good flatness

Inactive Publication Date: 2012-05-23
张灵芝
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the manufacturing methods of this kind of parts in China are fine milling or even grinding on milling machines. The production efficiency is low, resulting in high cost of parts, and the products have no market competitiveness.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0006] 1. Through the characteristics of the fine blanking process and the requirements for fine blanking equipment, the calculation formula of the blanking force under the fine blanking condition is obtained by using the slip line theory; the size of the main blanking force, pressing force, and jacking force and their relationship and order of action. Find out the relationship between the main blanking force, pressing force, jacking force and stroke during the fine blanking process; make the "stroke-process force curve" of these forces

[0007] 2. According to the above requirements, systematically analyze mechanical, hydraulic and pneumatic force transmission devices, make structural design specifications, and use modern design principles such as optimization design to realize the optimization of various types of structures and parameters;

[0008] 3. Based on the principle of process design, combined with the existing general-purpose CAD and VB software, the fine-blanking p...

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PUM

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Abstract

The invention relates to an economic fine blanking method for motorcycles. A large quantity of plate-like precision outline parts such as gears, chain wheels, cams and the like exit among parts of automobiles and motorcycles, and finish milling and even grinding on a milling machine are mostly adopted in domestic manufacturing methods for the parts, so that the production efficiency is low, the costs of the parts are high and the products do not have market competitiveness. Overseas experience shows that the fine blanking forming method for plates is an inevitable choice for manufacturing the parts. According to the method, fine blanking forming of plate outlines on a common press is realized by means of the principle of 'fine blanking' of the plates, so that the aim of greatly improving the manufacturing efficiency with low investment is fulfilled.

Description

【Technical field】 [0001] The invention relates to an economical fine-blanking method for motorcycles, especially different from ordinary blanking. The fine-blanking is to use a special fine-blanking machine on a special fine-blanking die to make the material undergo pure shear separation under a three-way pressure state. , so the section of the punching piece is smooth and vertical, with good flatness and high precision. Using precision blanking instead of cutting to manufacture disc-shaped precision contour parts improves efficiency by more than ten times compared with traditional cutting and greatly reduces production costs. . 【Background technique】 [0002] my country is the largest motorcycle production country in the world, and Chongqing is the largest motorcycle and parts production city in China. After joining the WTO, China's automobiles and motorcycles are facing severe challenges of improving quality and reducing costs, among which reducing the manufacturing cost...

Claims

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Application Information

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IPC IPC(8): B21D28/02
Inventor 张灵芝
Owner 张灵芝
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