SLEEVE-INSERT OF LIQUID FRICTION BEARING ASSEMBLY OF SUPPORT UNIT OF ROLLING ROLL AND METHOD FOR MAKING IT Russian patent published in 2003 - IPC

Abstract RU 2217252 C2

FIELD: rolled stock production, namely constructions of hydrodynamic supports of rolling rolls. SUBSTANCE: sleeve-insert of liquid friction bearing has inner surface with two oil supply pockets; said surface is elliptical; large axis of ellipse is parallel relative to said oil supply pockets. Method for making sleeve-insert comprises steps of boring inner surface, centrifugal casting of babbitt; after babbitt casting deforming sleeve-insert along its outer surface in direction towards axis parallel relative oil supply pockets by value not exceeding elastic deformation value; boring inner working surface from one center until designed working size; releasing deformation effort. EFFECT: highly effective operation of liquid friction bearing, lowered labor consumption for making sleeve-insert. 2 cl, 4 dwg

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RU 2 217 252 C2

Authors

Kudrjavtsev S.N.

Nikitin A.S.

Kudrjavtsev M.S.

Dates

2003-11-27Published

2000-07-04Filed