The requirements of the drum

1) calender roller should have enough stiffness;

(2) the work roll surface should have enough strength to resist wear and tear;

(3) roller surface should be enough to finish;

Machining precision (4) diameter shaft basis more than seven and leave the grinding allowance;

5. The structure and shape of the roller shall ensure that the work roll surface temperature distribution uniformity, prevent stress concentration, and use should be reliable, economic and reasonable roller.

Rolling principle

1. The material balance inventory = for the shoes

2. After a roller speed always greater than the previous roller speed

3. The difference between the roller speed as far as possible

4. The quality of the sheet related to the material stock situation between the two rollers

5. The thickness of the control depends on the stripping roller speed adjustment and calender roll gap adjustment

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