oem die casting mold making construction

Dies, or oem die casting tooling, are made of alloy tool steels in at least two sections, the fixed die half, or cover half, and the ejector half, to permit removal of castings. Modern dies also may have moveable slides, cores or other sections to produce holes, threads and other desired shapes in the casting. Sprue holes in the fixed die half allow molten metal to enter the die and fill the cavity. The ejector half usually contains the runners (passageways) and gates (inlets) that route molten metal to the cavity. Dies also include locking pins to secure the two halves, ejector pins to help remove the cast part, and openings for coolant and lubricant.

oem die casting mold making construction

When the die casting mold making machine closes, the two die halves are locked and held together by the machine’s hydraulic pressure. The surface where the ejector and fixed halves of the die meet and lock is referred to as the “die parting line”. The total projected surface area of the part being cast, measured at the parting line, and the pressure required of the machine to inject metal into the die cavity governs the clamping force of the machine.

There are a few different types of dies:

• Single cavity to produce one component
• Multiple cavity to produce a number of identical parts
• Unit die to produce different parts at one time
• Combination die to produce several different parts for an assembly.

Alpine Mold is an oem die casting mold making manufacturer, having specialized in mold making for more than 25 years with good quality and pretty competitive price. Please contact us by kerry@alpinemold.com.