Wadanne dalilai ne ke haifar da ƙarar ƙarar ƙofar ƙofar?
1. Zane da matsalolin tsarin masana'antu, saman iyakar iyaka da gefen abin nadi yana goyan bayan amo mara kyau, ƙofar hinge shaft da jujjuya juyi na iyaka ba daidai ba ne;
2. Buɗe ko rufe kofa da ƙarfi na dogon lokaci, yana haifar da nakasar ƙarfi, lanƙwasa da lalacewar maƙarƙashiyar ƙofar;
3. Haɗuwa ta hanyar haɗuwa mara kyau;
4. Ƙofar iyaka lalacewa ko faɗuwar kofa yayin amfani;
5. Fuskar mai iyaka shine rashin lubrication.
Manufar maƙarƙashiyar ƙofar ita ce iyakance iyakar abin da za a iya buɗe ƙofar. A gefe guda kuma yana iya iyakance iyakar buɗe ƙofar don hana buɗewa da faɗi da yawa, a ɗaya ɓangaren kuma yana iya buɗe ƙofar lokacin da ake buƙata, kamar lokacin da motar ke fakin a kan tudu ko kuma lokacin da akwai. is a al'ada iska, ƙofar ba za ta atomatik rufe.There akwai biyu na kowa mota kofa limiter, su ne torsion mashaya spring limiter da ja bar limiter. Daga farashin samarwa ko farashin kulawa, mai iyakance mashaya shine mafi kyawun torsion bar spring limiter, a zahiri ya fi kowa, amma iyakar tasirin ja mai iyakance ba torsion mashaya ba ne kawai, wasan kwaikwayon ya fi madaidaiciya, wasu motoci suna jin iyaka a bayyane yake kuma wasu motocin ba a bayyane suke ba.
