| 摘要 |
<p>A deflection controlled roll (10) has a rotatable shell (15) supported on a non-rotating central beam (12) by a plurality of individual shoes (25) which are positioned between the beam and the shell. A curved surface (30) of the shoe bears against an inside surface (19) of the shell and is lubricated by an oil film. The shoes are biased by inflatable air lift bellows between the shoe and the beam. The shoes are mounted on the beam on pins (50) which provide at least three degrees of freedom of movement. An improved drive for the roll shell has a cog belt sheave mounted on the shell in concentric relation to one of the shell support bearings. A cog-type drive belt is threaded on the sheave, and a drive pulley is positioned such that deflections do not change the spacing between the pulley and the sheave.</p> |
