CASE STUDY www.transmet.com (614) 276-5522 engineering@transmet.com Transmet was approached by the zinc die casting company to review their shot blasting process and help reduce the high reject rate. Transmet requested production parts be sent to Columbus, Ohio for testing. Multiple test blasts were performed on batches of parts. Machine and media variables were documented to identify the best conditions for removing flash from these parts. Transmet changed the type of shot blasting media, machine wheel speed, blast cycle time, load size, and other variables throughout testing. TRANSMET APPROACH This custom zinc die casting company from Wisconsin was casting a zinc part that required a highly cosmetic surface finish. The company was suffering from a high reject rate after powde

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