F - Mech Eng,Light,Heat,Weapons – 16 – C
Patent
F - Mech Eng,Light,Heat,Weapons
16
C
F16C 13/02 (2006.01) F16C 13/00 (2006.01) F16C 32/06 (2006.01)
Patent
CA 2227790
A roller assembly has a rotating hollow roller which surrounds with clearance a longitudinally extending non-rotatable crosshead. The hollow roller is carried on supporting elements on the crosshead acting on the inner circumference of the roller. Each supporting element defines a hydrostatic bearing pocket which is supplied with hydraulic fluid that flows over the edge of the bearing pocket to form a supporting film between the bearing head and the roller. The dimension of the bearing pocket longitudinally of the roller is at least twice the dimension in the circumferential direction, and further stabilizing bearing pockets are arranged one at each of the four corners of the rectangular head part of the supporting element and supplied with fluid through throttling ports. These stabilizing bearing pockets preferably have a diameter that is at most equal to half the circumferential dimension of the main bearing pockets.
Le cylindre présenté comprend un cylindre creux rotatif et une traverse non rotative qui traverse le cylindre creux dans le sens de la longueur. Le cylindre creux est soutenu par des éléments de support (14) qui agissent sur sa circonférence intérieure et qui sont chacun pourvus d'une poche hydrostatique de support (23) dont la dimension dans le sens de la longueur du cylindre est au moins trois fois supérieure à leur dimension dans le sens circonférentiel. On évite ainsi des déformations du cylindre creux et la compression des arêtes (24) qui délimitent les poches de support (23).
Eduard Kusters Maschinenfabrik Gmbh & Co. Kg
Fetherstonhaugh & Co.
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