Rolling-mill housing for rolling bar-type or tube-type rolling piece
A technology of rolling mill stand and tube shape, applied in the direction of metal rolling stand, metal rolling mill stand, metal rolling, etc., can solve the problems such as the change of side clearance, and achieve the effect of simple moving performance
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[0016] As can be seen from the drawing, the bevel gear 1 , supported on the eccentric sleeve 3 via rolling bearings 2 , passes through each of the trapezoids arranged on the outside on the eccentric sleeve 3 in a known manner when the eccentric sleeve 3 rotates. Thread 4 moves along the axial direction. The bevel gear thus moves axially on the roller shaft 5 , which is radially supported in the bevel gear via bushings 6 , 7 , but is fixed in its axial position by an axial bearing 8 . The torque is positively transmitted by the roller shaft 5 via the involute mesh 9 to the bevel gear.
[0017] The clip 20 engages via projections 21 , 22 in axially formed grooves 23 , 24 of the eccentric sleeves 3 , 25 . Thus, the rotational movements of these eccentric sleeves are synchronized. However, the eccentric sleeves can be moved axially away from or closer to each other.
[0018] Through this structure, the shaft can be moved precisely and parallel to the axial direction.
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