Kalup za tlačno litje iz magnezijeve aluminijeve zlitine

Die casting is a process of metal smelting and processing. It is a casting method that fills the cavity of a steel mold with molten alloy liquid at high speed under the action of high pressure, and solidifies the alloy liquid under pressure to form a casting. plastic injection”. The main features of die casting that distinguish it from other casting methods are high pressure and high speed.

Advantages of aluminum alloy die casting

High production efficiency: The machine has high productivity. For example, the domestic JIII3 horizontal cold air die-casting aluminum machine can die-cast aluminum 600-700 times in eight hours on average, and the small hot-chamber die-casting aluminum machine can die-cast aluminum 3000-7000 times per eight hours on average.

Excellent economic effect: due to the precise size of die-casting aluminum parts, the surface is smooth and clean. Generally, it is used directly without mechanical processing, or the processing volume is very small, so it not only improves the metal utilization rate, but also reduces a lot of processing equipment and man-hours. The castings are cheap, and combined die-casting aluminum can be used. , which saves both assembly man-hours and metal.

Kalup za tlačno litje iz magnezijeve aluminijeve zlitine

In competing with aluminium alloys as structural materials, magnesium alloys have the advantages of low density, high strength ratio, better electromagnetic shielding properties and castability. These result in the preferential use of magnesium alloys in 3C components(Computer, Communication and Consumer product) where lightweight , heat dissipation, electromagnetic shielding is critical.also have extremely broad applications in the fields of automotive, aerospace,outdoor sports and so on.

With the high integration in 3C , removing the excessive heat produced during the operation of electronic components and heat exchangers, which causes the components to fail as a result of overheating or deformation, becomes more urgent. The demand for materials with both excellent heat dissipation and mechanical properties is increasing rapidly. Selecting materials with appropriate thermal conductivity is very important for achieving the best performance of components.

Mg alloys exhibit great potential as heat dissipation materials owing to their smaller heat capacity and better heat dissipation effects than those of Al alloys. Over the past decades, there have been some efforts devoting to enhancing the thermal conductivity of Mg alloys with a clear understanding of the fundamental heat transfer at the micro, nano and even molecular scales.

Aiming to develop a Mg alloys that can provide significantly improved thermal conductivity in comparison to the commonly used AZ91D magnesium alloys, Zhongmei built Research Institute of Magnesium Alloy Materials jointly with the global leading expert, Prof. Pan Fusheng of Chongqing University and his team.

The Research Instittue keep doing experiments & testing , has made considerable achievements

Mg zlitine z visoko toplotno prevodnostjo

Key Benefits

Improved thermal conductivity of magnesium alloys – critical in applications specifically for increasing the capacity of heat exchange and heat sink of engineering components.
The improved thermal conductivity can reduce the working temperatures of final products and therefore increase the energy efficiency and product life.

Applications

Electric automotive industry

3C components(Computer, Communication and Consumer product)

Communication base station components and other heat sinks

Die-casting magnesium aluminum alloy mold Products

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