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Friction-resistant aluminum alloy hub spinning process

A technology of aluminum alloy wheel hub and spinning process, which is applied in the direction of wheel hub, transportation and packaging, vehicle parts, etc.

Inactive Publication Date: 2017-09-01
BENGBU FUWOTE WHEEL MFG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is to overcome the prior art and provide a spinning process suitable for friction-resistant aluminum alloy wheels.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Example 1: Friction-resistant aluminum alloy wheel spinning process, the main process of the process is melting-casting preforming-homogenization treatment-pretreatment-spinning-heat treatment-shot peening-machining-coating; specifically:

[0047] Melting: Prepare aluminum alloy according to requirements and use electric melting furnace for melting;

[0048] Casting preforming: use pressure casting to make liquid metal fill the cavity at a very high speed under high pressure, and solidify under pressure to obtain castings;

[0049] Homogenization treatment: each processed hub must be polished on the deburring machine, and then carefully polished by workers to polish the casting surface of the workpiece to be smooth and flat;

[0050] Preheating treatment: Put the semi-finished house in a solid solution furnace at a temperature of 525°C-535°C for 6.5 hours of solid solution treatment; within 20 seconds after coming out of the solid solution furnace, quench it in a mixed ...

Embodiment 2

[0075] Example 2: Friction-resistant aluminum alloy wheel spinning process, the main process of the process is melting-casting preforming-homogenization treatment-pretreatment-spinning-heat treatment-shot peening-machining-coating; specifically:

[0076] Melting: Prepare aluminum alloy according to requirements and use electric melting furnace for melting;

[0077] Casting preforming: use pressure casting to make liquid metal fill the cavity at a very high speed under high pressure, and solidify under pressure to obtain castings;

[0078] Homogenization treatment: each processed wheel hub must be polished on the deburring machine, and then carefully polished by workers to make the casting surface of the workpiece smooth and smooth;

[0079] Preheating treatment: Put the semi-finished house in a solid solution furnace at a temperature of 525°C-535°C for 6.5 hours of solid solution treatment; within 20 seconds after coming out of the solid solution furnace, quench it in a mixed ...

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Abstract

The invention discloses a friction-resistant aluminum alloy hub spinning process. Main procedures of the process comprise the steps of melting, casting pre-forming, homogenizing treatment, heating spinning, pre-heat treatment, shot blasting, spinning, heat treatment, shot blasting, machining and coating. Heat-spinning plastic deformation can make up superfine loosening defects, so that mechanical performance of a hub is improved; and the casting spinning new technology greatly improves the overall strength and corrosion resistance of a wheel, the machining allowance is greatly reduced, the service life of the wheel is significantly prolonged, safety of the wheel is significantly improved, vehicle weight reducing and oil saving are facilitated, and the wheel production cost is decreased.

Description

[0001] Technical field: [0002] The invention relates to a common aluminum alloy wheel hub, in particular to a spinning process for a friction-resistant aluminum alloy wheel hub. [0003] Background technique: [0004] With the rapid development of the automobile industry, the requirements for energy saving and consumption reduction of modern automobiles are constantly increasing, safety and environmental protection regulations are becoming stricter, and the requirements for automobile lightweight are more urgent. Due to the wide use of aluminum alloy wheels, its beautiful, atmospheric and changeable shape design also adds a lot to the car. At present, in the Chinese auto market, the utilization rate of aluminum alloy wheels for cars has reached at least 70 shares of the total car market. According to relevant statistics, in 2003 this proportion was about 50 copies. Aluminum alloy is light in weight, high in strength, good in formability, moderate in price, and high in recov...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00
CPCB23P15/00B60B27/00
Inventor 年君
Owner BENGBU FUWOTE WHEEL MFG TECH
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