CNC special
purpose machine is designed and manufactured especially
for drilling oil holes of crankshafts. The adopted gun
drilling process guarantees high machining accuracy of
oil holes. Main movement of the machine is controlled by
Siemens 802C CNC system, while accessorial movement is
controlled by hydraulic system. With features of high
flexibility and convenient mould exchange, the machine
is available for drilling various crankshaft oil holes
with crankshaft length less than 1200mm.
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