Crankshaft helical gear marking device
October 16, 2018
In the crankshaft helical gear of the air-cooled engine, the angle between the center line of the first tooth of the gear and the center line of the first link journal is 20°±15′ during the machining. At the end of the crankshaft, which is nearly 1 m long, it is really difficult to machine such a helical gear with high precision and strict position requirements (see Figure 1). In the past, before the processing, first lift the crankshaft with a crane, find