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A combined casting and forging forming process for deformed aluminum alloy workpieces

A deformed aluminum alloy and forming process technology, which is applied in the field of aluminum alloy workpiece manufacturing, can solve the problems of high processing cost and low processing efficiency of deformed aluminum alloy, and achieve the effects of improving manufacturing efficiency, eliminating mechanical processing links, and reducing manufacturing costs

Active Publication Date: 2018-08-03
浙江天雅江涛动力有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the problems of low processing efficiency and high processing cost of deformed aluminum alloys in the prior art, the present invention provides a casting and forging integrated forming process for deformed aluminum alloy workpieces, through which complete workpieces that meet the mechanical strength can be directly produced , eliminating the need for semi-finished product manufacturing and subsequent processing procedures, which greatly improves the manufacturing efficiency of workpieces and reduces processing costs

Method used

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  • A combined casting and forging forming process for deformed aluminum alloy workpieces

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Embodiment 1

[0019] Embodiment 1: A combined casting and forging forming process for a deformed aluminum alloy workpiece, comprising the following steps:

[0020] a. Clamp the mold. After the mold is closed, perform preheating treatment. The preheating temperature is 220°C-250°C, the preheating time is 30s-50s, and the liquid deformed aluminum alloy above 750°C is injected into the mold cavity; figure 1 As shown, the mold includes a lower mold 1 and an upper mold 2, and the mold cavity 3 is formed after the upper mold and the lower mold are closed. The outer end of the mold cavity adjustment slider is connected to the press 6, a number of overflow holes 7 are provided at the connection between the upper mold and the lower mold, and a heating mechanism 8 and a temperature sensor 9 are installed in the mold. The temperature sensor is used to detect the inner wall of the mold cavity. the temperature at;

[0021] b. The deformed aluminum alloy in the mold cavity is naturally cooled for the fi...

Embodiment 2

[0022] Embodiment 2: Add a grain refiner with a mass ratio of 0.3%-0.5% to the liquid deformed aluminum alloy in the melting furnace, the grain refiner is AlTi, and an ultrasonic generator is arranged outside the mold, and the whole mold is placed In the ultrasonic wave; the liquid deformed aluminum alloy containing the grain refiner is injected into the mold cavity, and the rest of the steps are the same as in Example 1.

[0023] The complete deformed aluminum alloy workpiece directly manufactured by the process of combining casting and forging in the present invention saves the semi-finished product link and the subsequent mechanical processing link, which greatly improves the manufacturing efficiency of the deformed aluminum alloy product and reduces the manufacturing cost. , the mechanical properties of the deformed aluminum alloy workpiece produced by this process can reach the performance of the deformed aluminum alloy workpiece produced by the traditional process.

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Abstract

The invention relates to the technical field of an aluminum alloy workpiece manufacturing and discloses a casting-forging forming process for a deformed aluminum alloy workpiece. The casting-forging forming process for the deformed aluminum alloy workpiece comprises the following steps: a, closing a mold, wherein liquid deformed aluminum alloy is injected into a mold cavity; b, carrying out first-time natural cooling on the deformed aluminum alloy in the mold cavity, wherein first-time extrusion forming is carried out by a press machine, and a rough workpiece blank is formed; c, carrying out second-time natural cooling on the deformed aluminum alloy in the mold cavity, wherein a heating mechanism in a mold carries out heating; d, carrying out third-time natural cooling on the deformed aluminum alloy in the mold cavity, wherein second-time extrusion forming is carried out by the press machine, and the deformed aluminum alloy workpiece is formed; and e, carrying out natural cooling on the deformed aluminum alloy workpiece, wherein an upper mold and a lower mold are separated, and the deformed aluminum alloy workpiece is taken out. According to the casting-forging forming process for the deformed aluminum alloy workpiece, the complete deformed aluminum alloy workpiece meeting the requirement of the mechanical property can be directly manufactured, the link of semi-finished products is omitted, the link of subsequent machining is omitted, the manufacturing efficiency of the product of the deformed aluminum alloy is greatly improved, and the manufacturing cost is reduced.

Description

technical field [0001] The invention relates to the technical field of manufacturing aluminum alloy workpieces, in particular to a casting and forging forming process for deformed aluminum alloy workpieces. Background technique [0002] Aluminum alloys can be divided into cast aluminum alloys and deformed aluminum alloys according to different processing methods. Cast aluminum alloys can be formed by casting. Precision workpieces are generally not molded by casting aluminum alloys, and the silicon content in cast aluminum alloys is higher than that in deformed aluminum alloys. Cast aluminum alloys are brittle, so the strength and recovery of cast aluminum alloys are relatively high. Poor, the advantage of cast aluminum alloy lies in direct casting and low molding cost; the mechanical properties of deformed aluminum alloy are better than cast aluminum alloy, but deformed aluminum alloy needs to be processed by melting, pouring, ingot forming, extrusion, forging, etc. process...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D18/02B22D27/11
CPCB22D18/02B22D27/11
Inventor 胡荣辉阮国成付宁武
Owner 浙江天雅江涛动力有限公司
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