Repair method for surface quality of working roller
A technology of work roll and surface quality, which is applied in the field of repair, can solve the problems affecting the service life of work roll, the diameter of work roll becomes smaller, and the work roll bursts, etc., so as to improve repair efficiency, reduce runout deviation and prolong service life
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[0017] In order to deepen the understanding of the present invention, the present invention will be described in further detail below in conjunction with the examples, which are only used to explain the present invention and do not constitute a limitation to the protection scope of the present invention.
[0018] A method for repairing the surface quality of work rolls, comprising the following steps:
[0019] Step 1: Grinding at both sides of the work roll to form a first roll chamfer, the slope of the first roll chamfer is ≤20°, and the length of the first roll chamfer is 9±2mm;
[0020] Step 2: Grinding the two sides of the support roll to form a second roll chamfer, the slope of the second roll chamfer is ≤20°, and the length of the second roll chamfer is 5±1mm;
[0021] Step 3: Rolling of aluminum coils using work rolls and back-up rolls with roll chamfers;
[0022] Step 4: After the used work roll is left to stand for a period of time, the work roll is removed;
[0023...
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