Two-stage coaxle multi-wedge type pulley and processing technology and equipment

A processing technology and pulley technology, applied in the direction of belts/chains/gears, mechanical equipment, components with teeth, etc., can solve the problem of poor fastness of two-stage coaxial multi-ribbed pulleys, fewer processing stations, and cannot be installed at one time Problems such as clip processing and molding, etc., to overcome the large error of coaxiality, smooth processing technology and beautiful appearance
CN1975208AInactive Publication Date: 2007-06-06温州市南亚机械配件有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
温州市南亚机械配件有限公司
Publication Date
2007-06-06
Estimated Expiration
Not applicable · inactive patent

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Abstract

The inventive belt pulley comprises bull and pony wheels integral formed by spinning of flat cold-rolled sheets. The process of manufacturing the belt pulley consists in: blanking; multistretching; shaping; spinning; punching and surfacing. The blanking is stretched into the semi-finished products for the two-stage coaxial multi-wedge pulley on the oil press by the multistretching and the times of multistretching can depend on the product conditions. The shaped and edged semi-finished pulley once-through complete the following process: spinning the big end and then spinning the small end by the spinning process.
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Description

technical field

[0001] The invention relates to a two-stage coaxial multi-ribbed belt pulley integrally formed by cold-rolled plates, a processing technique and equipment. The invention is suitable for all pulley transmission machines, especially for the automobile industry. Background technique

[0002] Traditional belt pulley production is based on cast iron, cast copper, cast aluminum and alloys as blanks through mechanical processing. The product not only wastes resources, but also has a processing cost 30%-50% higher than that of extruded products, and more than 30% of material waste. At the same time, during the casting process The working environment is harsh, which is not conducive to environmental protection and wastes energy. In addition, due to the air holes in the casting main billet, the texture of the billet is uneven, and the balance performance of the pulley is poor. The pulley needs to be balanced after processing. Compared with the traditional pulleys that...

Claims

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