The Shenyang CAK50186 machine tool is equipped with a wide number system GSK980TDi, which processes a workpiece with a length of 1.8 meters and a hollow long shaft with a diameter of 86 mm. The knurling depth is required to be 1mm, the overall depth is consistent, the grain is clear, and there is no disorder.

2 solution    

Clamping method: one clip one top + follow knife holder;

Machine tool requirements: machine tool horizontal deviation ≤0.02mm;

The deviation of the height of tailstock and main shaft is less than 0.05mm, and the contact surface of tailstock and workpiece is more than 3mm;

The center height of the double-wheel knurling cutter is absolutely relative to the center of the workpiece, and the deviation is within 0.05mm;

Knife knives need to use layered gradual swinging left and right to enter the knife;

Coolant is in place.

3 Application effect

The machining of the outer circle of the workpiece has no vibration pattern, the depth of the knurling is 1mm, the depth of the overall pattern is consistent, the pattern is clear and free of disorder, which meets the requirements of the customer.