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Method for processing motorcycle hub

A processing method and technology for motorcycles, applied in the field of wheel hub processing, can solve problems such as easy burnout, increased casting cost, and insufficient tensile strength

Inactive Publication Date: 2011-06-15
WUXI WANXUAN METAL PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing friction wheel is made by low-pressure casting of the raw material ADC12. The chemical composition of the raw material ADC12 is: Si: 8.5-11.5%, Fe: less than 0.5%, Mg: less than 0.45%, Zn: 0.2%, Al: 82 %, the content of magnesium, iron, and zinc is high, and burning is prone to occur during smelting, and the material is brittle and easy to break; while the content of silicon is high, the melting point is low, and the tensile strength cannot meet the requirements; while the cost of low-pressure casting molds is high , resulting in increased casting costs

Method used

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Embodiment Construction

[0007] Describe the processing process of the present invention below: molten aluminum smelting

[0008] During smelting, the content of each main component is Si: 6.5% to 7.5%, the optimum content is 7%, Fe: less than 0.25%, Mg: less than 0.25%, Zn: 0.2%, Al: 92.5%, the sum of all the above ingredients is 100 %, the molten aluminum melting temperature is 720±15°C, and the optimum temperature is 720°C;

[0009] Blank casting;

[0010] Blank casting adopts gravity casting;

[0011] Cutting riser, drilling bottom hole, drilling nozzle hole, grinding, T6 heat treatment, hardness after heat treatment HB60~85, tensile strength ≥ 214MPa, elongation ≥ 7%, shot blasting, single board machine, cleaning, painting, CNC Processing, finished product inspection, cleaning, packaging, storage.

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Abstract

The invention provides a processing method for a motorcycle hub. When the hub is processed by the method of the invention, the processing cost is low and the performance is stable. The processing method is characterized in that the processing method comprises the steps as follows: aluminium solution melting, casting blank, riser cutting, bottom pore drilling, air nozzle drilling, grinding, T6 heat disposal, shot blasting, single-board computer, cleaning, coating, numerical control processing, finished product detecting, cleaning, packaging, and warehousing. The processing method is characterized in that the contents of all components in the aluminium solution are 6.5 to7.5 percent of Si, less than 0.25 percent of Fe, less than 0.25 percent of Mg, and 0.2 percent of Zn, 92.5 percent of Al;the melting temperature of the aluminium solution is ranging from 705 DEG C to 735 DEG C; and the casting blank is cast by gravity.

Description

technical field [0001] The invention relates to the technical field of wheel hub processing, in particular to a processing method for a motorcycle wheel hub. Background technique [0002] The existing friction wheel is made by low-pressure casting of the raw material ADC12. The chemical composition of the raw material ADC12 is: Si: 8.5-11.5%, Fe: less than 0.5%, Mg: less than 0.45%, Zn: 0.2%, Al: 82 %, the content of magnesium, iron, and zinc is high, and burning is prone to occur during smelting, and the material is brittle and easy to break; while the content of silicon is high, the melting point is low, and the tensile strength cannot meet the requirements; while the cost of low-pressure casting molds is high , leading to increased casting costs. Contents of the invention [0003] Aiming at the above problems, the invention provides a method for processing a motorcycle wheel hub. The wheel hub processed by the method has low processing cost and stable performance. [...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00B22D18/04C22C21/02
Inventor 林卫新
Owner WUXI WANXUAN METAL PROD
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