Fine forging technology for automobile claw pole forging

A precision forging and forging technology, which is applied in the field of precision forging of automobile claw poles, and can solve the problems of multiple processes

Inactive Publication Date: 2004-09-15
YANSHAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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  • Fine forging technology for automobile claw pole forging
  • Fine forging technology for automobile claw pole forging
  • Fine forging technology for automobile claw pole forging

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Embodiment Construction

[0017] attached figure 1 , attached figure 2 It is a specific embodiment of the present invention (see figure 1 , figure 2 ,), at first should design cold and hot forgings diagram according to product parts diagram, calculate required billet size (diameter and length); According to the principle and method of the present invention, design can divide die lateral warm extrusion precision prefabricated billet diagram (its The shape and size should be conducive to the filling of the cavity during final forging); calculate the force and energy parameters (extrusion force and die tension, etc.) during deformation; select the die force loading method and equipment type; figure 1 , figure 2 Design the preform mold diagram, final forging forming mold diagram and trimming mold diagram; finally select the appropriate mold material and mold heat treatment, and select the appropriate lubricant material and mold preheating and cooling methods.

[0018] Due to the forging scheme of...

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Abstract

The present invention relates to precise metal forming technology, and is especially precise automobile claw forging process. The technological process includes four steps of upset, lateral hot extrusion in separable female die to form prefabricated blank, final forging and cutting overlap after heating. The simplified forging process had less steps, high product quality, saving in material, low in power consumption, and prolonged die service life.

Description

technical field [0001] The invention relates to the technical field of metal precision forming, in particular to the technical method of precision forging of automobile claw poles. technical background [0002] Claw poles are key components in automotive alternators. It has many specifications, but its shape is similar, but its size is different. Due to the high complexity of its geometric shape and the importance of performance, the difficulty of forging and forming is increased. [0003] The shape and structure of such forgings are very complex ( image 3 , Figure 4 ): The middle part is a boss with a hole, and there are six thin and evenly distributed transverse webs on the end of the boss, and six vertical claws with complex shapes are evenly distributed on the end of the transverse web. Except for machining, the rest are all black leather, so forging is very difficult. [0004] In the prior art, there are many methods for forming claw pole forgings, but each has it...

Claims

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Application Information

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IPC IPC(8): B21J5/00
Inventor 孙惠学苏升贵史艳国王迎斌
Owner YANSHAN UNIV
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