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How to control the thickness of the aluminum foil difference?

Difficult to control thickness variation is a characteristic of Aluminum rolling, 3% of the thickness difference at the plate and strip production is not difficult to control, and in the production of aluminum foil was difficult to control.
 
Due to the thickness of the aluminum case with thinning, which trace conditions can be affected, such as temperature, oil, and gas concentration. A roll of aluminum foil rolling up to tens of meters, rolling up to about 10h, with time thickness measurement error is easy to form.
 
While the means to adjust the thickness of the aluminum foil is just tension and speed.

These factors have caused difficulties controlling the thickness of aluminum foil rolling.
 
Therefore, the real difference between the control Aluminum thickness less than 3%, with a number of conditions need to be guaranteed: Qualified thickness of aluminum foil stock; adjustment rolling, control and reduction roll, and roll grinding prescribed parameters; stable rolling process; rolling over Aluminum thickness measurements, in order to avoid a system failure when the side thickness is not to be found and so on.

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