Thekayan tsutsa reducer shine tsarin watsa wutar lantarki wanda ke amfani da mai sauya saurin kayan aiki don rage adadin juyi na motar (motar) zuwa adadin da ake buƙata na juyi da kuma samun babban injin juzu'i. Gears tsutsotsi da ƙafar ƙafar tsutsa A cikin injin da ake amfani da su watsa iko da motsi, aikace-aikacen kewayon ragewa yana da yawa. Ana iya ganin alamun sa a cikin tsarin watsa nau'ikan injuna iri-iri, daga jiragen ruwa, motoci, locomotives, manyan injuna don gini, injin sarrafawa da na'urorin samar da atomatik da ake amfani da su a cikin masana'antar injin, zuwa kayan aikin gida na yau da kullun a rayuwar yau da kullun. , agogo, da dai sauransu Ana iya ganin aikace-aikacen mai ragewa daga watsa babban iko zuwa watsa ƙananan kaya da madaidaicin kusurwa. A cikin aikace-aikacen masana'antu, mai ragewa yana da ayyuka na raguwa da haɓakawa. Saboda haka, ana amfani da shi sosai a cikin sauri da kayan aikin jujjuyawa.

Domin inganta ingantaccen mai rage kayan tsutsa, ana amfani da karafa marasa ƙarfe gabaɗaya azaman kayan tsutsotsi da ƙarfe mai ƙarfi a matsayin shingen tsutsa. Domin shi ne sliding friction drive, a lokacin aiki, zai haifar da zafi mai tsanani, wanda ya sa sassan na'urar ragewa da kuma hatimi. Akwai bambanci wajen fadada yanayin zafi a tsakanin su, wanda ke haifar da tazara tsakanin kowace farfajiyar da za a aura, kuma man ya yi karanci saboda karuwar zafin jiki, wanda ke da saukin haifar da zubewa. Akwai manyan dalilai guda hudu, daya shine ko daidaitawar kayan yana da kyau, ɗayan kuma shine ingancin farfajiyar ɓangarorin haɗin gwiwa, na uku shine zaɓin mai mai mai, ko adadin ƙara daidai ne, na huɗu kuma shine. ingancin taro da yanayin amfani.