crankshaft grinder: pm(d)-series this crankshaft grinder is offered with conventional grinding wheel or cbn technology, in a single-wheel confi guration with one spindle, or equipped with two wheel heads and two spindles,......crankshaft grinder: pm(d)-series this crankshaft grinder is offered with conventional grinding wheel or cbn technology, in a single-wheel confi guration with one spindle, or equipped with two wheel heads and two spindles, or as a multi-wheel machine with a single spindle supported on both sides.