| 摘要 |
An improved, substantially solid core roll such as a mill roll having means for circulating heat transfer medium therethrough in close proximity to its working surface for effecting temperature control of the working surface. The improved roll includes means for independently controlling the temperature profile of the core so that the physical profile of the roll, including crowning of the roll surface, can be controlled independently from controlling the temperature of the working surface of the roll. Such improved rolls, when incorporated into an apparatus as one or both of a pair of rolls forming a nip, enable maintaining predetermined nip profiles under variable operating conditions. Such a predetermined nip profile is, for example, a nip having substantially uniform clearance throughout the length of the nip formed in the region where the working surfaces of the rolls are closest together.
|
