Segmented crankshaft machining process
A crankshaft processing and crankshaft technology, applied in the field of crankshaft processing technology and segmented crankshaft processing technology, can solve the problems of low precision, high matching degree requirements, low processing method efficiency, etc., to reduce requirements, save processing time, easy-to-control effects
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Problems solved by technology
 A segmented crankshaft machining process of the present invention. The segmented crankshaft includes three sections, a front, a middle, and a rear section. The front, middle, and rear sections pass through the tapers of the connecting rod journals of each section to match the taper of the connecting arm. Holes are connected and assembled, including independent connecting arm processing. The crankshaft is processed by roughing the whole first, then sawing and semi-finishing in sections, and finally finishing the whole after assembly to obtain a complete crankshaft connecting rod assembly.
 First, the front, middle and rear sections of round steel made of 40CrNiMoA are used for overall cutting and processing, and the round steel is fixed to the drill end fixture with a radial drilling machine, and center holes are drilled on both sides of the round steel. The depth of the center hole is 8±1mm. The error between the two centers on the cylindrical axis i...
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