isitiringi se-rack ne-pinon
Isistimula se-rack ne-pinon yi-represent kakhulu uhlelo lwezinhlelo ebalulekile loku guqula uhloko lwezicathami zokugcina ukuvalela kwezinhlelo zokugcina zokuvalela izinhlelo zokugcina. Le ndlela engenziwanga nezinto ezimbili eziphambene: igiye yemvilanqiso (pinion) esixhengwa kwi-shaft yokugcina nekhanda le-gear evelayo (rack) esixhengwa kwi-tie rods zezinhlelo. Xa umgcini uvalela izicathami zokugcina, igiye ye-pinion ivalela, ivumelanisa nokubona kwezinhlelo ku-rack, oku kuza kube yinkonzo yezokugcina kanye noma ngakwesobunxe. Le ndlela yokuvalela iyabelana nezinhlelo ngokusebenzisa i-tie rods, ngaleyo ndlela ukuvalela izinhlelo kule ndlela ethandwayo. Izinhlelo zamanje ze-rack ne-pinon ziyasebenzisa uhlelo lokusetshenziswa, ngokusebenzisa amandla okanye amandla wezinhlelo, ukunciphisa umsebenzi okufanele wokugcina ngenkathi uyahlula ukugcinwa okuphezulu. Uhlelo lwokuxhuma kwezinhlelo kuphakathi kunceda umgcini ukuthola ulwazi olukhulu, ukuvumela kona ukuthi abe nobuchwepheshe bezingo futhi abe nezinhlelo zokugcinwa okuphezulu. Le ndlela yokugcina kuyasebenziswa kakhulu kuma-vehicle amathunzi nezinhlelo eziphansi, lapho uhlelo lwalo olukhulu, ukusebenza kwayo kanye nezinhlelo zokugcina okungcono kuyenza into engcono. Uhlelo lwalo olulodwa kakhulu lwenza ukuthola ukulungiswa nokulungiswa okungcono kunazo zinye izinhlelo zokugcina.