Forging method for magnesium-alloy automobile hub

An automobile wheel and magnesium alloy technology, which is applied in the field of magnesium alloy automobile wheel forging, can solve the problems of insufficient compact structure, low mechanical strength, and insufficient uniform composition of magnesium alloy automobile wheel hubs, and achieves improved thermal insulation effect, safety, and high mechanical strength. , convenient and practical effect of transposition

Active Publication Date: 2016-06-15
刘兴军
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to overcome the disadvantages of magnesium alloy automobile wheel hub produced by traditional molding process, although the production efficiency is high, but the magnesium alloy automobile hub structure is not compa

Method used

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  • Forging method for magnesium-alloy automobile hub
  • Forging method for magnesium-alloy automobile hub
  • Forging method for magnesium-alloy automobile hub

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[0021] The present invention will be further described below in conjunction with the accompanying drawings.

[0022] as attached figure 1 Shown: a magnesium alloy automobile wheel forging method, step 1, heating the magnesium alloy bar in a heating furnace, the heating temperature is controlled at 390 ° C to 420 ° C; step 2, pre-forging the magnesium alloy bar, magnesium The alloy bar is taken out from the heating furnace and indexed into the pre-forging die through the indexing device, and the first hydraulic forging machine is started to forge the magnesium alloy bar into a disc-shaped billet 1; step 3, the disc-shaped billet is forged for the initial shape , the disc-shaped blank is indexed into the primary forming die by the indexing device for heating, the heating temperature is controlled at 390°C to 420°C, and the second hydraulic forging machine is started to forge the disc-shaped blank into the primary forming wheel hub 2; step 4, to Preliminary wheel hubs are subjec...

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Abstract

The invention relates to the forging field, and aims to provide a forging method for a magnesium-alloy automobile hub. The forging method for the magnesium-alloy automobile hub comprises the following steps: step I, heating a magnesium alloy rod in a heating furnace; step II, pre-forging the magnesium alloy rod; step III, carrying out pre-profiling forging on disc-shaped blank; step IV, carrying out fine-profiling forging on a pre-profiled hub; step V, carrying out fine-shaping forging on a fine-profiled hub; step VI, transferring the fine-shaped hub to a transfer table for heating through a position transfer device, wherein a heating temperature is controlled to 320 DEG C to 450 DEG C; and step VII, carrying out rim extrusion sizing on the fine-shaped hub. The forging method for the magnesium-alloy automobile hub is relatively high in production efficiency; and the magnesium-alloy automobile hub is compact in texture, is uniform in component, and is relatively high in mechanical strength.

Description

technical field [0001] The invention relates to the field of forging, in particular to a forging method for a magnesium alloy automobile wheel hub. Background technique [0002] Magnesium alloy materials have the characteristics of light weight, high specific strength, good elastic modulus, good shock absorption and vibration reduction, and can be fully recycled. Using magnesium alloy materials to make automobile hubs is the best wheel hub material after aluminum alloy materials, which can improve the performance of automobiles. Excellent handling performance, acceleration performance and braking performance, and can save fuel by 10% to 14%. The grains of magnesium alloy materials are coarse and the lattice is arranged in a hexagonal square. Deformation; during high-temperature plastic deformation, the temperature range of deformation is narrow, and it is very sensitive to the control requirements of deformation rate and deformation speed; the traditional forming process is ...

Claims

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Application Information

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IPC IPC(8): B21K1/40B21J5/02B21J9/20B21J13/02B21J13/03B21J13/10B21J13/14B21J17/02B21K29/00
CPCB21J5/02B21J9/20B21J13/02B21J13/03B21J13/10B21J13/14B21J17/02B21K1/40B21K29/00
Inventor 刘兴军
Owner 刘兴军
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