Lirolara tsa k'hamphani ea rona li ka aroloa ka mefuta e 5: lirolara tse tloaelehileng, lirolara tse mahareng, lirolara tse ntle haholo, le letoto la lirolara tse phahameng tsa chromium.
Mefuta eohle ea li-roller e entsoe ka thepa ea boleng bo holimo, e entsoeng ka ho qhibilihisa sebōpi sa motlakase, ho hlahisa li-centrifugal tse kopantsoeng le ho sebetsa hantle. Sebaka sa rolara se thata ka ho hanyetsa ho apara hantle.
Rolara e bohareng ke mofuta o mocha oa thepa e nang le li-alloy content, e hlahisoang ho sebelisoa mekhoa e mecha. E na le litšoaneleho tsa boima bo phahameng ba li-roller, khanyetso e ntle ea ho apara, le bophelo bo bolelele ba ts'ebeletso. Rolara ena e loketse ka ho khetheha bakeng sa ho sila le ho hasanya lihlahisoa tse ntle, tse phahameng tsa viscosity tse nang le viscosity e phahameng.
The ultra-fine roller e entsoe ka lisebelisoa tse ncha, mekhoa le mehaho ea kopano. E na le litšoaneleho tsa boleng bo botle ba thepa, sebopeho sa compact, matla a phahameng le ho hanyetsa ho apara hantle.
Li-roll tse khethehileng tsa alloy content li hlahisoa ho sebelisoa lisebelisoa tse ncha, mekhoa le mehaho ea kopano. E na le litšoaneleho tsa lisebelisoa tse ntle, sebopeho sa lisele tse teteaneng, matla a phahameng, khanyetso e ntle ea ho roala, boima bo phahameng ba holim'a lirolara le phello e ntle ea ho pholisa. Ke rolara e loketseng bakeng sa ho sila makhasi a boleng bo holimo.
| Mohlala le Parameter | TR6" | TR9" | TR12" | TR16" | TRL16" |
| Bophara ba Rola(mm) | 150 | 260 | 305 | 405 | 406 |
| Bolelele ba Roller(mm) | 300 | 675 | 760 | 810 | 1000 |