Precise alignment method of the largescale crankshaft during .
WEBApr 10, 2015 · A largescale crankshaft of internalcombustion engine is easy to bend and twist when clamped onto the grinding machine. The deviation of workpiece axis from its optimal machining axis has a significant influence on machining accuracy of angle, eccentric throw, and diameter and contour of the heavy crankshaft in noncircular grinding. To .