Typical arrangement of rollers for rolling millsTwo-high mill, pulloverTwo-high mill, reversingThree-high millFour-high millCluster mill orSendzimir millThe stock isreturned to theentrance forfurther reduction.The work can bepassed back and forththrough the rolls byreversing theirdirection of rotation.Consist of upper andlower driven rolls anda middle roll, whichrotates by friction.Small-diameter rolls(less strength &rigidity) aresupported bylarger-diameterbackup rollsEach of the workrolls is supportedby two backingrolls.
đang được dịch, vui lòng đợi..
