Productive technology of automobile pressure casting part

A production process and parts technology, which is applied in the production process field of aluminum alloy automotive die-casting parts, can solve problems such as low performance of aluminum alloy die-casting parts and cannot meet the performance requirements of key parts and high-quality requirements, and achieve good mechanical properties and meet Performance requirements, high product quality effect

Active Publication Date: 2016-12-21
宁波环亚机械制造有限公司
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  • Description
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Problems solved by technology

[0003] The purpose of the present invention is to provide a high-quality automotive die-casting parts to solve the problem that the performance of the existing automotive aluminum alloy die-casting parts is not high enough to meet the performance requirements of key parts and the high-quality requirements of high-end cars for parts. Production Process

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  • Productive technology of automobile pressure casting part

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Embodiment 1

[0023] exist figure 1 In the shown embodiment 1, a kind of production technology of automobile die-casting part comprises the following steps:

[0024] a. Configuration raw materials: in parts by weight, including 80-82 parts of aluminum, 8.5-9.5 parts of silicon, 2.5-3.5 parts of copper, 0.5-0.6 parts of iron, 0.1-0.15 parts of molybdenum, 0.3-0.4 parts magnesium and 0.3-0.4% manganese.

[0025] b. Alloy smelting: Preheat aluminum, silicon, copper, iron, molybdenum, magnesium and manganese to 260-270°C, first add aluminum to the melting furnace to melt, after all the aluminum is melted, heat the melt to 720-730°C, Add silicon, copper, iron, molybdenum, magnesium and manganese, and control the alloy melt at 760-780°C after complete integration;

[0026] c. Modification treatment: in parts by weight, put 0.3-0.5 parts of modification agent strontium in the form of master alloy Al-10%Sr into the melting furnace, and perform modification treatment when the temperature of the me...

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Abstract

The invention discloses a productive technology of an automobile pressure casting part. The productive technology comprises the technological steps of raw material configuration, alloy smelting, modification, electromagnetic stirring, chlorine filling and hydrogen removing, die assembling and oxygen filling, vacuum pressure injection, demoulding forming, solution treatment and ageing and the like. The automobile pressure casting part produced by adopting the productive technology disclosed by the invention is excellent in mechanical property and high in quality and can meet the performance requirement of a key automotive part and the high-quality requirement of the part of a high-grade automobile.

Description

technical field [0001] The invention relates to the technical field of automobile parts processing, in particular to a production process of aluminum alloy automobile die-casting parts. Background technique [0002] Aluminum alloy die castings are widely used in automobiles, but most of the automotive aluminum alloy die castings in the prior art are manufactured by simple processes, and their performance is not high, which cannot meet the performance requirements of key parts or high-end automobiles. Quality requirements. The publication date is May 22, 2013, and the Chinese patent document with the publication number CN 103111596 A discloses a die-casting process for an automobile transmission housing, including step 1: preparation before die-casting; step 2: die-casting process, that is, first in the die-casting mold Spray a layer of release agent on the surface; then insert the core puller, the sequence of core puller insertion is: loose block → front slider and rear sli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/04C22C1/02C22F1/043B22D27/00B22D17/00
CPCB22D17/00B22D27/006C22C1/026C22C21/04C22F1/043
Inventor 旷文中
Owner 宁波环亚机械制造有限公司
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