Method for manufacturing crankshaft for internal combustion engine, involves performing mechanical surface treatment process on remaining surface areas of crankshaft element, after assembling crankshaft element on surface region

摘要

The method involves assembling crankshaft elements (12) of crankshaft (10) on respective surface regions (13). The crankshaft elements are connected with each other through connecting elements (14). The mechanical surface treatment is performed on remaining surface region (15) of the crankshaft element of crankshaft, after assembling crankshaft element on surface region.