Thekayan tsutsa reducer shine tsarin watsa wutar lantarki wanda ke amfani da mai jujjuya saurin kayan aiki don rage adadin juyi na motar (motar) zuwa adadin da ake buƙata na juyi da kuma samun babban injin juzu'i.worm gears da mashin ƙafafun tsutsa A cikin injin da ake amfani da shi don watsa wutar lantarki da motsi, kewayon aikace-aikacen ragewa yana da yawa sosai. Ana iya ganin alamun sa a cikin tsarin watsawa na kowane nau'in injuna, daga jiragen ruwa, motoci, locomotives, dunƙule jacks yi gearbox, manyan injuna don gini, injin sarrafawa da kayan aikin 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 daidaita kayan yana da ma'ana, ɗayan kuma shine ingancin saman farfajiyar juzu'i, na uku shine zaɓin mai mai mai, ko adadin ƙara daidai ne, na huɗu shine ingancin haɗuwa da yanayin amfani.