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Machining Of Shaft Parts

- Aug 01, 2017 -

1. diameter precision, geometric shape accuracy

On the axle, the support axle neck and the mating axle neck are very important, its diameter precision is it5-it9 grade, but the shape precision, should control in the diameter tolerance, and its request must be higher than the diameter precision.

2. Mutual position Accuracy

If the shaft is of ordinary precision, then its radial round, if to tie the axle neck to support the axle neck, generally regarded as 0.01-0.03mm, while the high-precision axis is 0.001-0.005mm. If there are special requirements, it should be noted clearly.

3. Roughness of surface

Because of the precision and speed of the machine, the surface roughness of the shaft parts is different, and the surface roughness of the supporting axle neck is 0.16-0.63um, with a shaft neck of 0.63-2.5um.

4. Spindle materials, blanks and heat treatment

In the shaft parts, the commonly used material is 45 steel, and through normalizing, annealing, tempering and quenching and other treatment, so as to obtain a certain strength, hardness, wear resistance and toughness.


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