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Forging and rotary extrusion forming process for aluminium alloy wheel

A forming process and technology of aluminum alloy, which is applied in the field of forging-spinning process of forging aluminum alloy wheels, and can solve the problems of complicated hot spinning process and other problems

Inactive Publication Date: 2006-09-06
JIAXING STONE WHEEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the spoke part has no plastic deformation, its structure is casting structure, and the blank must be heated before the rim part is spinning, and the hot spinning process is more complicated.

Method used

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  • Forging and rotary extrusion forming process for aluminium alloy wheel
  • Forging and rotary extrusion forming process for aluminium alloy wheel
  • Forging and rotary extrusion forming process for aluminium alloy wheel

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0010] Such as figure 1 As shown, the aluminum alloy wheel is composed of a spoke 1 and a rim 2.

[0011] Such as figure 2 As shown, the forging process described in the forging-spin forming process of this forged aluminum alloy wheel includes the following steps: a, blanking: sawing the aluminum alloy bar into a blank according to the principle of constant volume; b, heating: cutting the blank Heating to the forging temperature; c, upsetting: upsetting the heated billet with a press; d, die forging: placing the upset billet in a die forging die for die forging; e, shaping: forging The finished blank is placed in the shaping die for shaping. The spinning process is as follows: f. After annealing the shaped blank, use a spinning machine to spin the rim part until the overall wheel forming is completed.

[0012] Such as image 3 As shown, in the spinning process, the spinning mold 3 used is in two halves, and the two halves are inserted from both ends of the blank and press...

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Abstract

The invention relates to a forging aluminum alloy wheel forging-rotational molding method, which combines the forging and rotational compressing techniques. In forging, molding part of spoke of wheel, and pre-molding the rim; then in rotational compressing, rotationally compressing the rim to complete the molding. Wherein, the rim is molded by forging, and the rim is mainly molded by rotational compression. The invention can combine the forging and rotational compression to express their advantages. And the inventive aluminum alloy wheel has better quality, high accuracy, less finish allowance, higher strength, and reduced material consumption.

Description

technical field [0001] The invention relates to a manufacturing process for producing aluminum alloy wheels by a metal plastic forming method in the wheel manufacturing industry, a forging-rotation forming process for forging aluminum alloy wheels. Background technique [0002] Automobile wheels are an important part to ensure the safe driving of automobiles. In recent years, due to the advantages of forged aluminum alloy wheels with good appearance quality, high dimensional accuracy, light weight, good safety and environmental protection performance, they are gradually replacing traditional steel wheels and casting Aluminum alloy wheels produced by the method. Especially on large cars. [0003] The known manufacturing process of forged aluminum alloy wheels has the following two schemes: 1. direct forging process; 2. casting-spinning process. Process scheme 1 is to forge the spokes and rims of aluminum alloy with a large press. The advantage of this process is that the p...

Claims

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Application Information

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IPC IPC(8): B23P13/00B21J5/06B21D22/14B21D22/16
Inventor 张建荣张小光吴欣生
Owner JIAXING STONE WHEEL
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