CALENDER STACK AND METHOD FOR PRODUCING A FILM FROM THERMOPLASTICS

摘要

A calender stack including at least two rollers between which a nip can be formed. The ends of the rollers are supported in rotary fashion in bearings and one of the rollers is stationary and at least one other roller is embodied as an advancing roller and has a first adjusting system by which it is possible to move the bearings of the advancing roller, thus changing the nip. The advancing roller has a respective adjusting system on each of its two bearings and associated with each first adjusting system, a second adjusting system is provided, by which it is possible to adjust an axial offset of the advancing roller relative to the stationary roller.

主权项

1. A calender stack (1) including at least two rollers (2, 3, 15) between which a nip (4, 4′) can be formed; ends of the rollers (2, 3, 15) supported in rotary fashion in bearings (5, 6, 7, 8, 18, 19) and one of the rollers (3) stationary and at least one other roller (2, 15) being an advancing roller and having a first adjusting system (9) by which it is possible to move the bearings (5, 6, 18, 19) of the advancing roller, thus changing the nip (4, 4′), the calender stack comprising the advancing roller having a respective first adjusting system (9) at each of its two bearings (5, 6, 18, 19) and associated with each first adjusting system (9), a second adjusting system (9a) by which it is possible to adjust an axial offset of the advancing roller relative to the stationary roller (3).