niƙa roll (Rolling die, gami kayan)
Babban sassa na aiki da kayan aikin don ci gaba da nakasar filastik na ƙarfe a kan injin mirgine.The yi shi ne yafi hada da yi jiki, yi wuyansa da shaft head.The yi jiki ne tsakiyar ɓangare na yi wanda aka zahiri da hannu a mirgina karfe. Yana da m cylindrical ko tsagi surface.An shigar da wuyan mirgine a cikin ɗaki kuma ana watsa ƙarfin jujjuya zuwa firam ta hanyar mahalli da na'urar latsawa.Shugaban shaft na ƙarshen watsawa yana haɗa tare da tushe gear. ta hanyar haɗin haɗin gwiwa, kuma lokacin juyawa na motar yana canjawa zuwa mirgina.
Za a iya shirya nadi a cikin nau'i na biyu, uku, hudu ko fiye a cikin firam ɗin niƙa.
Akwai hanyoyi daban-daban na rarrabuwa don rollers, musamman waɗanda suka haɗa da: (1) Dangane da nau'in samfura, akwai roll ɗin tsiri, nadi na sashe, naɗin waya, da sauransu.(2) Dangane da matsayin nadi a ciki.injin mirginajerin, akwai blank yi, m Roll, karewa yi, da dai sauransu Ya kasu kashi na nadi na karfe, nadi na simintin karfe, nadi na carbide, yumbu Roll, da dai sauransu;(5) Dangane da hanyar masana'anta, ana iya raba shi zuwa simintin gyare-gyare, jujjuyawar ƙirƙira, roll surfacing roll, sleeve roll, da sauransu;(6) Dangane da yanayin da aka yi birgima, akwai nadi mai zafi, nadi mai sanyi. Ana iya haɗa nau'ikan rarrabuwa daban-daban don ba da ƙarin takamaiman ma'ana ga jujjuyawar, irin su centrifugal simintin babban chromium simintin ƙarfe mai aiki na nadi don birgima mai zafi.
