Specialists in Aluminum Die Casting

Castool Tooling Systems – Die Cast Toolings (Chill Vents)

In order to increase strength to weight ratio of casting, the casting needs to be heat-treated. The heat treatment temperature could go as high as 400ºC and for as long as 24 hours. The air trapped inside could expand and cause blistering during heat treatment, especially for aluminum alloys. One of the major challenges for die casters is to eliminate porosity caused by air entrapment. The parts with porosity need to be rejected. The cost of rejection is very high and usually under-estimated by die casters. The cost includes loss of production time and energy. A robust vacuum system reduces machine down time, production cost and energy. In addition, the casting will have high quality surface finishing.

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