CRANKSHAFT MANUFACTURING ON MACHINING CENTRES ―TURN-MILLING AND DEEP HOLE DRILLING

摘要

Large crankshafts are used in the field of stationary power generation and ship motor construction. Due to the strong global market pressure and the very high technical requirements on the component, economical and reliable production technologies have to be used. This treatise presents optimisation possibilities for machining large forged crankshafts on machining centres with respect to the complete process chain in the field of cutting technology. Investigations in special cutting technologies such as turn-milling of grooves to reduce tension and of the crankpins as well as deep hole drilling with single-edge gundrills for the purpose of machining oil holes are presented. A reduction of the production time, an increase of the process security at the required quality and a higher flexibility regarding the complete process chain can be achieved simultaneously.