![]() ![]() The term pre-finishing includes all the operations necessary to prepare the product for following treatments of electrodeposition or painting, such as deburring, vibrating, cleaning and polishing. For this reason it is important to know and learn to prevent defects linked to the final surface quality of the diecast.ĭie casting surface treatments defects can be linked to many different causes, ranging from the quality of the casting to issues in pre-finishing or finishing phases. Surface finishing has a crucial role in zinc alloy components production: often the main reason to choose Zamak for a component is the wide range of finishing and colorings available, either through plating or painting. ![]() We are going to analyze the following defects: blisters, pitting, burnings, nodules and flaking. In this post we are going to list the most common defects in zinc die casting surface treatments and explain how to prevent them.
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