Zinc Alloy Die Casting Defects

Zinc die casting defects manual published by cominco ltd finishing electroplating die cast wrought zinc published by ilzro.

Zinc alloy die casting defects. This process is free to our die casting customers and more importantly allows for a quick and accurate analysis to avoid costly defective issues. This method is used by eastern alloys so that we can correctly classify defects determine their root cause and ultimately help improve the die casting process and improve casting yield. It will help you to save time and money when you run a die casting project. Die casting is a process that can produce geometrically complex metal parts.

The metal typically a non ferrous alloy such as aluminum or zinc is melted in the furnace and then injected into the dies in the die casting machine. Lots of problems will occur when you don t pay attention to it during production. There are two main types of die casting machines hot chamber machines used for alloys with low melting temperatures such as zinc and cold chamber machines used for alloys with high melting temperatures such as aluminum. Analysis of blister defects in zinc alloy die castings.

Za 27 or zinc aluminum alloy contains significantly more aluminum than the zamak group of alloys. This is one of the most common defects that happens during zinc alloy die casting. We ve just scratched the surface of die defects their causes and the impact on castings. Open blows and blow holes.

For more detail refer to. If the die casting alloy is subjected to cooling after the completion of the die casting process then there is a good chance for this defect to happen. The defects are characterized by the appearance of protruding vesicles on the surface of die casting which are found after die casting exposed after polishing or processing and after oil injection or electroplating. The most common defect in zinc alloy die casting is surface foaming.

Ezac is a hot chamber zinc die casting alloy with superior creep resistance high yield strength and high hardness. Here blow i would like to list the most common die casting defects. Za 27 zinc aluminum. However seeking the help of an expert die casting company will enable you to stay away from these kinds of.

For a list of alloys and properties see our zinc die casting alloys page. Die casting defects w. Walkington and published by nadca. Causes of foaming of zinc alloy die castings.

Defects in die castings. A high level of technical expertise and attention to detail is required to prevent small errors from causing huge losses to the company in the mass production of new parts. If you are business man or mechanical engineer its necessary to have a full knowledge on die casting defects which may occur in die casting manufacturing process.