N'iji ya tụnyere isi isi na-agwụ ike, ụdị ọhụrụ ahụ nwere uru ndị a:
1, Nduzi site na rola, na nkwado multi-point na arụmọrụ ntuziaka kwụsiri ike.
2, The point contact n'etiti roller na n'ime mgbidi nke workpiece ebelata esemokwu na pro-ogologo iji ndụ;Nke ka mkpa, ọ na-ezere nsogbu nke na-edochi ugboro ugboro mpe mpe akwa.
3, The arụpụtaghị ihe nwere ike ịba okpukpu abụọ.
4, Enwere ike ịhazi nha na oke nke 5 mm, ọ dịghị mkpa ka ọ dochie akụkụ ọ bụla, ya mere ọrụ ahụ dị nnọọ mfe na-echekwa oge.
Roller na-anabata ọkọlọtọ mba, ọ dị mfe ịnweta ọnụ ahịa ezi uche dị na ahịa, ọnụ ahịa eji eme ihe dị ala.
A na-anwale isi isi na-agwụ ike ọhụrụ ahụ ugboro ugboro, ọ nwere arụmọrụ kwụsiri ike ma nweta aha ọma n'aka onye ọrụ.