I-shaft yesmm, ebizwa ngokuba sisikrelem zesibungu, sisixhobo esisetyenziselwa ukuhambisa intshukumo phakathi kweenqanawa ezimbini ezingenanto. Inentonga ye-cylindrical ye-cylindrical roove okanye intambo kumphezulu wayo. Iigiya ye-WormKwelinye icala, luhlobo lwegiya efana nesikhafu, kunye ne-cogges enamachaphaza ane-mesh ene-spiral roove ye-shaft ye-curm ukuhambisa amandla
Xa i-shaft ye-morm ijikeleza, i-spiral roove ishukumisa igiya ye-Worm, ethi ihambe ngoomatshini abadibeneyo. Le ndlela ibonelela ngenqanaba eliphezulu losulelo lukhuni, lwenza ukuba lilungele imisebenzi efuna ukushukuma okunamandla kunye nokucotha, njengoomatshini kwezolimo.
Inye ilungelo lokusebenzisa ishawari ye-Worm kunye ne-Worm Gear kwibhokisi yezolimo kukukwazi ukunciphisa ingxolo kunye nokuzibandakanya. Oku kungenxa yoyilo oluhlukileyo oluvumela ukuba lugudise kwaye luhambe ngoomatshini. Oku kubangela ukunxiba kancinci kwaye kuphele kumatshini, ukwandisa ixesha lokuphila eliphantsi kunye nokunciphisa iifizi zesondlo.
Elinye i-inzuzo kukukwazi kwabo ukwandisa amandla othungelwano lwamandla. I-angle ye-Spiral Groove kwi-shafti ye-Worm ichaza umlinganiso wegiya, okuthetha ukuba umatshini unokuyenzela ngokukodwa ukuvumela isantya esithile okanye isiphumo esithile. Oku kwandiswa kweziphumo zokusebenza kwempumelelo kuqoqosho lwamafutha kwaye kunciphise ukusetyenziswa kwamandla, ekufuneka kukhokelela ekulondolozeni kakhulu.
Ukuqukumbela, ukusetyenziswa kweshaphu ye-morm kunye nempempe zempempe kwi-Gearlbox yeLizwe idlala indima ebalulekileyo kwolimo nophuhliso lwezolimo. Uyilo lwabo olukhethekileyo luvumela ukusebenza ngokuzolileyo negudileyo ngelixa ibonelela ngokuphunyezwa kwamandla enkqubo yokuhambisa amandla, ekugqibeleni ikhokelela kwishishini elizinzileyo nelinenzuzo.