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Hub forging method

A hub forging and final forging technology, applied in the field of forging, can solve the problems of increasing process time, waste of raw materials, long processing time, etc., and achieve the effects of reducing heating space, saving energy consumption, good product quality and performance improvement

Active Publication Date: 2016-12-14
宁波路威汽车轮业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] (1) Using the sawing method will produce a lot of waste aluminum scraps, causing a certain waste of raw materials;
[0006] (2) The whole aluminum plate is sawed in a criss-cross manner, and the processing time is long;
[0007] (3) After cutting into cubes of the designed size, it is transported and preheated. There are many process steps, which increases the process time.

Method used

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Examples

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Comparison scheme
Effect test

Embodiment 1

[0037] Example 1, a method for forging a wheel hub, see attached figure 1 It is mainly divided into the major steps of material preparation, forging, spinning, heat treatment and machining. Based on a 17-inch aluminum alloy wheel hub, the 65mm thick 7A04 aluminum alloy extruded sheet is hot-cut to a size of 350mm ×350mm×65mm square blank;

[0038] The material preparation stage is a continuous production process in this embodiment, a. After the aluminum rod is melted and cast, an extruder is used to extrude an aluminum alloy sheet of 350mm×65mm; b. The extruded aluminum alloy sheet is delivered online for preheating The furnace is heated to 440°C and preheated for 30 minutes; c. One end of the preheated aluminum alloy sheet from the furnace is pressed against the holding mechanism, and the hydraulic cutter at the exit of the furnace directly directly affects the preheated aluminum alloy. Perform on-line hot cutting, and the cut blank will directly fall into the lower feeding chu...

Embodiment 2

[0042] Example 2, a method for forging a wheel hub, see attached figure 1 It is mainly divided into the major steps of material preparation, forging, spinning, heat treatment and machining. Based on a 17-inch aluminum alloy wheel hub, the 65mm thick 6061 aluminum alloy extruded sheet is hot cut into a size of 350mm ×350mm×65mm square blank;

[0043] The material preparation stage is a continuous production process in this embodiment, a. After the aluminum rod is melted and cast, an extruder is used to extrude an aluminum alloy sheet of 350mm×65mm; b. The extruded aluminum alloy sheet is delivered online for preheating The furnace is heated to 470℃, and the preheat treatment is 40 minutes; c. One end of the preheated aluminum alloy sheet from the furnace is pressed on the support mechanism, and the hydraulic cutter at the exit of the furnace directly affects the preheated aluminum alloy. Perform on-line hot cutting, and the cut blank will directly fall into the lower feeding chut...

Embodiment 3

[0047] Example 3, a method for forging a wheel hub, see attached figure 1 It is mainly divided into the major steps of material preparation, forging, spinning, heat treatment and machining. Based on a 17-inch aluminum alloy wheel hub, the 6061 aluminum alloy extruded sheet with a thickness of 58mm is hot cut into a size of 370mm ×370mm×58mm square blank;

[0048] The material preparation stage is a continuous production process in this embodiment, a. After the aluminum rod is melted and cast, an extruder is used to extrude an aluminum alloy sheet of 370mm×58mm; b. The extruded aluminum alloy sheet is sent online for preheating The furnace is heated to 450°C and preheated for 40 minutes; c. One end of the preheated aluminum alloy sheet from the furnace is placed on the support mechanism, and the hydraulic cutter at the exit of the furnace directly directly affects the preheated aluminum alloy. Perform on-line hot cutting, and the cut blank will directly fall into the lower feedin...

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Abstract

The invention discloses a hub forging method which comprises the following steps: a. profile extrusion: extruding an aluminum alloy plate with set thickness and width by an extruding machine; b. preheating: continuously online heating the aluminum alloy plate extruded by the extruding machine through heating equipment; c. hot cutting: cutting the preheated aluminum alloy plate which goes out from the heating equipment into a preset length to form a square-shaped blank by adopting the hot cutting technology; d. forging: putting the blank after being hot cut into a die, and forging and pressing the blank to form a disk shape; e. punching and bulging the disk-shaped blank; f. putting an enamel blank after being punched and bulged into a spinning machine, and carrying out spinning forming; and g. carrying out heat treatment and machining on the enamel blank after spinning forming to obtain a finished hub product. With adoption of the hub forging method, the efficiency of forging the hub, the utilization ratio of a raw material and the density of a product are higher.

Description

Technical field [0001] The invention relates to the forging field, and more specifically, it relates to a forging method for forging aluminum alloy wheels. Background technique [0002] The world's automobile industry is developing in the direction of light weight, high speed, safety, energy saving, comfort and light environmental pollution. Therefore, the use of aluminum alloy parts in automobiles is increasing. As one of the important components in the automobile driving system, the wheel hub is also a kind of high-demand security part. It not only bears the weight of the automobile, but also reflects the appearance of the automobile. In the past 10 years, the average annual growth rate of global aluminum alloy automobile wheel production has reached 7.6%. It can be seen that with the increasing demand for lightweight automobiles, aluminum alloy wheels are gradually replacing traditional steel wheels in modern automobile manufacturing and are being widely promoted and applied....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00
CPCB23P15/00B23P2700/50
Inventor 董祥义张涛
Owner 宁波路威汽车轮业有限公司
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