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What are the main contents and precautions for rotor spindle repair of tire shredder?
Due to the large journal, difficulty in heating, and long heating time, and the temperature is not easy to control evenly, the following five points should be noted in straightening of tire shredder spindle:
a. The applied straightening force should not be too strong to prevent the main shaft from cracking at the hidden spot of the crack;
b. When the amount of bending is large, it should be straightened several times;
c. The correction value should appropriately exceed the bending value of the shaft to eliminate the effect of the springback deformation of the shaft after removing the straightening force;
d. During straightening, it should stay for a period of time after adding straightening force, and gently tap the surface of the shaft with a small lead hammer along the axial surface to eliminate internal stress and prevent deformation after straightening;
e. During the straightening process, the bending value of the shaft is continuously measured until it meets the standard. That is, when the axis is Φ200-300, the bending value should not exceed 0.06mm. After straightening the shaft of tire shredder, the bending value should not exceed 0.1-0.15mm.