Roller length and diameter refers to the roller length and diameter of the working part. This is the characterization of calendar size parameters.
1, roller length
Roller length represents the maximum range of rolled products. As required to keep the position of the striker plate placed at both ends and, therefore, effective length of rollers for roller length minus the length of non-working surface (about 15% of roller lengths).
2, roller length-diameter ratio
Roll working section length and diameter ratio of length to diameter ratio. The ratio of length to diameter of the roller (or roller diameter) main calender