engleski

Experimental research of contact stresses during rolling

The research provides a methodology and results of experimental research of contact stresses in the non-stationary process of strip rolling, in a special laboratory mill with rolls made of optical glass grades, lead strips were rolled, and the contact stresses in their development were determined. The research aims at developing a method for the experimental determination of contact stresses during rolling with a linearly increasing back tension of the strip. The development is studied from the free stationary rolling process up to the strip slipping start in the rolls and the regularities establishment in the change of the friction ratio. It is shown that among the methods for studying the mechanics of a deformable solid, the most rigorously substantiated theoretically is the polarization-optical method of direct measurement of stresses.

rolling ; contact stresses

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