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The tool should be sharpened with can· Fig. 2.-Machining the crank pin. siderable bevel and made to cut deep but thin chips, taking off nearly the whole corner at the first cut. This procedure ...

A crank pin is what connects the crankshaft to the connecting rod, which is what is connected to the engine's pistons. In the case of a cross-plane crank, these crank pins are arranged at 90 ...