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Pressure Die Casting Surface Finishes

The Pressure die casting process has the advantage of excellent process repeatability. Generally, the surface finish of Pressure Die Cast parts is achieved from the surface finish of the tool that produces it.

The liquid alloy is forced under high pressure into a steel tool; the alloy solidifies rapidly and takes the form of the tool along with the finish of the tool. Therefore, a highly polished PDC tool will impart excellent finishes to the cast parts produced from that tool.

Typically, as cast surface finishes achievable are 1.6 Microns or better for Aluminium and Zinc Alloy parts, slightly lower for Brass Alloy parts.

Pressure Die Cast Surface Treatments

Generally, PDC parts are ejected from the tool with excellent surface finishes. Tool split lines, ejector pin flash, and waste gates are cropped off and parts are fine linished to remove any indications completely.

Typically, PDC parts are fine glass bead or Aluminium Oxide Grit Blast finished giving a uniform aesthetically pleasing finish that also improves adhesion for the paint process.

 Dependent on the application of the product various surface treatments can be undertaken on Aluminium Alloy parts. From simple Chemical conversion protection or Anodising to Powder Coating to International RAL specs.

Precision Die CastingView Larger

Aerospace Pressure Die casting

Typical Pressure Die Casting ApplicationView Larger

Aerospace application for Pressure Die Casting

Brass Alloy Pressure Die CastingView Larger

Brass Pressure Die Casting