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Warm chamber die casting

Forming process where a piston presses the molten metal through a preheated die into a chamber with high pressure and where the pressure is maintained until the metal has solidified.

Beskrivning
Illustration of Warm chamber die casting

The process

Two molds [1] are clamped using hydraulic presses to withstand pressure from the molding process. The mold is typically water or oil cooled to increase their longevity.

Molten metal is held in liquid form in the crucible [2]. The feed mechanism [3] is submerged in the crucible. The plunger’s [4] elevated position allows the melt from the crucible to fill the pressure chamber [5]. The piston pushes the melt into the mold under high pressure which is maintained until the melt solidifies.

The mold halves are then separated and the ejector [6], pushes the cast product out.

In cases where burrs are formed post processing in the form of sanding is applied.

Standards
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