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CRANKSHAFT MACHINING

CRANKSHAFT MACHINING

CRANKSHAFT MACHINING

(OP)
Can any body advise us on what is the best setup to use for turning billet crankshafts on an old lathe. Eg what fixtures to use in chuck & tailstock to get correct offsets for crankpins quickly & accurately. What was used years ago.
Are there any sites or books on the subject of machining crankshafts. --Manual lathe?

RE: CRANKSHAFT MACHINING

You might look at the way a crankshaft grinding machine is set up.  It has two special four-jaw chucks that can both be set up to hold the ends of the crank off-center so that the journals can be ground.  You might be able to mount a second headstock on the tail end of the lathe and do a similar trick.

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