![]() Sometimes it is too complex and would demand conflicting sections, ribs, cross-members, etc. Not every shape imaginable should be made as a one-piece casting. A properly designed casting brings as few sections together as possible. Mistake 3: Too many sections coming togetherīringing too many sections together leads to extended cooling times, again causing porosity, stress and cracking. If section thicknesses must be different, it is imperative that the heavy sections are accessible by the foundry so that a riser can be installed that will feed this section. Having different section thicknesses leads to different cooling rates, causing porosity, stress and cracking. Sharp corners create a hot spot causing contraction to occur at different rates. ![]() ![]() Outlined below are the top 5 design mistakes that we see when designers create a part that is to be made in high chrome white iron (ASTM A532). This will allow the foundry engineer to make casting-specific suggestions that will improve the soundness of the final product. The best course of action is for the design engineer to involve the foundry engineer early on in the design phase. Unfortunately, it is common for the designer to misunderstand the foundry process and engineer a component that cannot be manufactured in a commercially viable manner, free from structural anomalies. The foundry then has to produce a casting that exhibits all the properties that the designer built into the component. High chrome white iron, or ASTM A532 is a highly abrasion resistant alloy that outperforms chromium carbide overlay (CCO), steel and AR 400 in a variety of wear applications.ĭuring the design process, an engineer will ensure that a component functions as necessary and has the properties, including strength, required to meet expectations. Top 5 Design Mistakes in High Chrome White Iron Castings Posted by Penticton Foundry on
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