| 摘要 |
Method to eliminate the play between the chock (13) and the support element(16) in four-high rolling stands (10), the rolling stand (10) comprising working rolls (12) and back-up rolls (11) assembled on respective chocks (13, 14), support blocks (16) to support the chocks (13, 14) and a stationary housing (15), the support blocks (16) being arranged between the uprights of the stationary housing (15) and the relative chocks (13, 14) and supporting means for the crossover lateral displacement of the rolls (11, 12), the stand(10) also comprising transmission means to transmit a thrust (19) acting on the upper chock (13) and contrasting the rolling thrust (20), the method providing to define the value of the inward flection of the uprights of the housing (15) according to the value of the rolling thrust (20), to define the entity of play (21) resulting, with the uprights (15) in this condition of flection, between the chock (13, 14) and relative support block (16) during the crossover movements of the chocks (13, 14), and to displace at least one support block (16) towards the relative chock (13, 14) so as to minimize the play (21) to a desired value at least during the rolling passes. Device to achieve the above method.
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