ABSTRACT
Theeffectoftherollcontactlengthonrollbendingefficiency-yrecanbeexpressedinrelativetermsasa changeofrollbendingeffectrateperunitchangeinrollcontactlength,i.e.:
'Yrc= kb-kbox100% Le-Leo
(21-5)
rollbendingeffectratescorrespondingtorollcontactlengthsLeandLeorespectively.
