Li-tubes tsa mochini li sebelisoa lits'ebetsong tsa mochini le tse bobebe tsa sebopeho.
Li-tubing tsa mechine li hlahisoa ho fihlela litlhoko tse khethehileng tsa tšebeliso ea ho qetela, litlhaloso, mamello le thepa ea lik'hemik'hale.
Liphaephe bakeng sa lisebelisoa tsa mochini le tse bobebe tsa sebopeho.Sena se lumella hore ho be le ho tšoana ho hoholo ha thepa ho pholletsa le phala ha ho bapisoa le liphaephe tse tloaelehileng kapa li-ducts.Li-tubes tsa mechine li ka hlahisoa ho ea ka litlhaloso tse tloaelehileng ha ho hlokahala, empa hangata li hlahisoa ka mokhoa o "tloaelehileng", ho tsepamisitsoe matla a lihlahisoa bakeng sa litekanyo tse nepahetseng le botenya ba lebota.Lits'ebetsong tse ling tse entsoeng haholo, matla a tlhahiso a ka 'na a se ke a hlalosoa,' me tlhahiso ea li-tubes tsa mechine e "loketse bakeng sa tšebeliso".Liphaephe tsa mechine li kenyelletsa mefuta e mengata ea lisebelisoa tsa meralo le tseo e seng tsa sebopeho.
Re sebelisa botsebi ba rona ba metallurgical le tlhahiso ho etsa lihlahisoa tsa mochini tse sebetsang hantle tse sebetsang hantle ho fihlela litlhoko tsa hau.
Sena se kenyelletsa k'habone, li-alloys esita le limaraka tse tloaelehileng tsa tšepe;annealed, normalized and tempered;khatello ea kelello e imolohile 'me ha e na khatello ea kelello;mme a tingwa mme a halefa.
Lipeipi tsa tšepe tse se nang seam bakeng sa mechini le likoloi, tse sebelisoang ho etsa le ho lokisa kutu ea koloi le liphaephe tsa axle tse ka morao, lisebelisoa tse nepahetseng, lisebelisoa le lisebelisoa.