Process for forming generator claw pole of vehicle

A generator claw pole and forming process technology, which is applied in the direction of manufacturing tools, metal processing equipment, forging/pressing/hammering machinery, etc., can solve the problems of reducing forming force, low material utilization rate, and large number of equipment, and achieve simplification The effect of forging process, high material utilization rate and high product precision
CN102179464BInactive Publication Date: 2013-04-17XI AN JIAOTONG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
XI AN JIAOTONG UNIV
Publication Date
2013-04-17
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a process for forming a generator claw pole of a vehicle, and the process provided by the invention comprises the following steps: firstly baiting; then heating; performing radial upsetting extrusion so as to form a middleware; reversely extruding a claw part into a final forging; and finally machining and preparing the forging into an end product workpiece, wherein the radial upsetting extrusion and the reverse extruding forming are realized by using a radial upsetting extrusion mould and a reverse extruding mould. According to the invention, the forging processing process is simplified, so the process provided by the invention has the advantages that the process is simple, the production period is short, the use ratio of materials is high, and the product precision is high.
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Description

technical field

[0001] The invention relates to the technical field of precision forging of automobile claw poles, in particular to a forming process for automobile claw poles of generators. Background technique

[0002] At present, the claw pole forming processes of automobile generators at home and abroad include: 1. Machining process after precision casting. The claws produced by this process are extremely prone to defects such as looseness, shrinkage, inclusions, and chemical composition instability, resulting in magnetic resistance. Increase, poor electromagnetic performance, which affects the power of the generator; 2. Sheet metal stamping, the process flow is: blanking ~ finishing R ~ punching ~ bending ~ claw finishing ~ overall finishing, during the punching process The selected plate thickness is the thickness of the claw pole parts required by the design. The production process steps are simple, and the requirements for workshops and machining equipment are not hi...

Claims

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