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<strong>HPR300</strong> Custom solutionsAn <strong>HPR300</strong> custom tool considerably reduces productive andnon-productive times in the machining process when machininga final drive housing on a planetary hub for commercial vehicles.This saved money for the machinery under consideration whileincreasing productivity and output. The bell-shaped housing madeof GGG50 includes various precision bores and chamfer transitions.The multi-bladed tool using <strong>MAPAL</strong> tangential technology isused for pre-machining, and during the same machining step thebore is fine machined using an <strong>HPR300</strong> reaming stage. Tangentialinserts are also integrated into the tool which produce two chamfersand an edge break at the same time during this machiningsequence. An HPR step reamer is also used for two additionalprecision fit bores.MachiningSavingLocation bore for wheel bearing:ø272 H7 x 20 mm with chamfers and edgebreaksBores for precision fit screws andplanetary pins: ø16 H7 and ø32 H765 seconds of productive time15 seconds of non-productive time80 seconds saved per part!18
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