High-fluidity zinc alloy for die casting

A high-fluidity, zinc alloy technology, applied in the field of alloy manufacturing, can solve the problems of poor flow properties of die-casting alloys, and achieve the effect of increasing the yield of castings, good fluidity, and high flow properties

Pending Publication Date: 2019-03-01
YUNNAN HONGCHI RESOURCE INTEGRATION UTILIZATION CO LTD
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  • Abstract
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Problems solved by technology

[0003] The purpose of the present invention is to provide a die-casting zinc alloy that can effectively overcome the problem of poor fluidity of existing die-casting alloys and has a more excellent fluidity effect

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  • High-fluidity zinc alloy for die casting

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Embodiment Construction

[0007] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments. It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.

[0008] Below in conjunction with specific embodiment the present invention will be further described

[0009] The alloy production process in this invention is as follows: In a power frequency coreless induction furnace, turn on the heating and electromagnetic stirring functions, melt the zinc at 450-500°C, and after the zinc is completely melted, add aluminum in proportion and raise the temperature to 500-550°C ℃, under the action of heating and electromagnetic stirr...

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Abstract

The invention discloses a high-fluidity zinc alloy for die casting. The zinc alloy comprises, by weight, 4.0-5.0% of aluminum, 0.01-0.1% of copper, 0.001-0.05% of magnesium, 0.001-1% of titanium, 0.03% of iron or below, 0.003% of lead or below, 0.002% of cadmium or below and the balance zinc and unavoidable impurities. The zinc alloy for die casting has an excellent flow property and is easy to produce, manufacture and control, the high-fluidity requirement during manufacturing of ultra-thin parts can be met, and a die casting effect of a prepared product is ensured.

Description

technical field [0001] The invention relates to the field of alloy manufacturing, in particular to a zinc alloy for die-casting with high fluidity. Background technique [0002] The essence of pressure casting (referred to as die casting) is to make liquid or semi-liquid metal fill the die-casting mold (die-casting mold) cavity at a high speed under high pressure, and form and solidify under pressure to obtain castings. Compared with other casting methods, die casting has the following three advantages: ① Good product quality: high dimensional accuracy of castings, good surface finish; high strength and hardness; stable size, good interchangeability; thin-walled complex castings can be die-cast. ②High production efficiency: high machine productivity; long die-casting mold life, a pair of die-casting mold, die-cast zinc alloy, life can reach hundreds of thousands of times, or even millions of times; easy to realize mechanization and automation. ③Excellent economic effect: du...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C18/04
CPCC22C18/04
Inventor 钱清罗健生邓远久胡如忠魏源丁旭陈昌将马胜兰王宝龙
Owner YUNNAN HONGCHI RESOURCE INTEGRATION UTILIZATION CO LTD
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