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Rotor shaft hammer crusher Notes
Because the larger journal, heating problems, and the heating time is long, and difficult to control the temperature uniformity, straightening should pay attention to the following five points:
1, not too much straightening force applied to prevent the occurrence of the spindle at the crack hidden in the cracks;
2, when the bending is large, straightening should be carried out several times;
3, the correct value should be appropriate to exceed the value of the bending axis to eliminate the shaft straightening force in removing the impact of deformation after the rebound;
4, in straightening, add after straightening force to stay for some time, while the surface of the shaft along the axis with a small lead hammer to gently tap surface to eliminate internal stress and prevent distortion after straightening;
5, in the straightening process, the value of the shaft was measured to be constantly, until the standard so far. Φ200-300 in the shaft, the bending value should not exceed 0.06mm, after straightening the shaft, bending is not to exceed 0.1-0.15mm