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A kind of processing method of thin-walled aluminum alloy forging

A processing method and aluminum alloy technology, applied in the direction of metal processing equipment, etc., can solve the problems of complex forging process, high cost, high aluminum alloy manufacturing cost, etc., and achieve the effects of simplifying forming requirements, improving efficiency, and reducing waste

Active Publication Date: 2021-05-14
JIANGYIN HENGRUN HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The use of forging molding process to manufacture aluminum alloy also has shortcomings. First, the process flow of forging method is relatively complicated, and the manufacturing cost of aluminum alloy is relatively high.
The aluminum alloy manufactured by the forging process has better overall performance, but the cost is higher

Method used

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Embodiment Construction

[0017] The specific implementation of the present invention will be further described below in conjunction with the examples. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0018] The present invention is aimed at thin-walled aluminum alloy workpieces, and is not suitable for thick-walled aluminum alloy workpieces. The wall thickness of so-called thin-walled aluminum alloy workpieces is less than 3cm.

[0019] The invention is a processing method of a thin-walled aluminum alloy forging, comprising the following steps:

[0020] S1: blanking, cutting aluminum alloy ingots as blanks, and the size of the blanks is larger than the blanking size of 5 single workpieces;

[0021] S2: Heating before forging, place the billet in a natural gas heating furnace and heat it up to 280°C with the furnace, then heat it to 450°C±10°C at a heating rate of ≤40°C / h a...

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Abstract

The invention discloses a processing method of a thin-walled aluminum alloy forging, S1: blanking; S2: heating before forging; S3: forging, the initial forging temperature is 450°C, and the final forging temperature is 400°C, using three pulls and three piers. Operation, forging the billet into a sheet shape, the thickness of the sheet is less than 3cm, and the thickness of the forged billet is greater than the thickness of the workpiece by 0.2-0.4cm; S4: rapid die-cutting, using a hydraulic punching machine to die-cut several unit blanks on the sheet-shaped billet, The excess scrap is sent to the natural gas heating furnace to heat up and keep warm as the next batch of forging blanks; S5: return to the furnace for heating, put several unit blanks into the heating furnace and heat up to 450℃±10℃ with the furnace, and keep warm for 1‑2h ;S6: blank forming, punching the unit blank, and then spinning; S7: cooling; S8: solution treatment; S9: visual inspection after machining and marking for storage.

Description

technical field [0001] The invention relates to a processing method of a thin-walled aluminum alloy forging, in particular to a processing method of a thin-walled thin-walled aluminum alloy forging. Background technique [0002] The processing of aluminum alloy workpieces in the prior art includes forging method and casting method, and casting method includes gravity casting and low pressure casting, but with the continuous development of aluminum alloy technology, gravity casting method has basically been eliminated by the market now, and some better quality The molding method is being widely used. In addition to the gravity casting molding method, the low-pressure casting method is also a commonly used method for aluminum alloy molding. The low-pressure casting method is to pressurize during the molding process. The entire mold is filled, and at the same time, the aluminum alloy is still solidified and crystallized under the action of external pressure. Under the same con...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21J5/00
CPCB21J5/002
Inventor 承立新沈忠协顾明浩赵周力吴斌卞磊何中波
Owner JIANGYIN HENGRUN HEAVY IND
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