Theketane hub sprocketea excavator e jara boima ba tšusumetso e kholo ts'ebetsong ea ts'ebetso.Ha excavator e thekesela, boemo ba khatello ea maikutlo ha bo ratehe haholoanyane. ea li-halves tse peli tsa chain hub sprocket e tebile ka ho khetheha.Ho ipakile ka ho itloaetsa hore ho sebelisa tjheseletsa ea ho kenya ho lokisa lisebelisoa tsa lesale ho bonolo ebile ho potlakile, 'me ho ka tiisa ts'ebetso ea mochine kaofela.
Ho ea ka tšenyo ea ketane hub sprocket, fumana sebaka sa sekoti se tsitsitseng le karolo e senyehileng e lokelang ho nkeloa sebaka, ebe o khaola karolo ea meno hore e nkeloe sebaka ke ho khaola khase.Etsa ho kenya ho ea ka likarolo tsa sprocket tse hlokang ho lokisoa, kapa u khaole karolo e betere ea meno a sprocket ho tloha karolong e lekanang ea lisebelisoa tse ling tsa khale tse nang le tiisetso ea molumo, 'me u khaole sebopeho sa groove mateanong.etsa qeto ea hore na sebaka sa lesoba la ho lokisa se kenya, se phunye le ho se lokisa karolong e ts'oanang ea ketane hub sprocket, 'me u ele hloko ho netefatsa ho nepahala ha sebaka sa ho lokisa sekoti.E le ho etsa bonnete ba hore weld e na le matla a phahameng le a ka khonang ho mamella tšusumetso e kholo le ho sisinyeha, bophara ba Φ4 mm joint 507 electrode e khethiloe.Electrode e lokela ho behoa bakeng sa 1 h ho 250 ~ 350 ℃ pele e sebelisoa.Ax3500 DC arc welding machine DC reverse welding method, ea hona joale ke 130 ~ 140 A.
Pele ho tjheseletsa, preheat holim'a tjheseletsa ho hoo e ka bang 200 ℃ ka sethunya se seholo sa 200 sa khase ea 2. Ka ho cheselletsa backfire, weld ea ho qetela e ka halefisa oald ea pele, e leng molemo ho felisa microstructure e thata e hlahisoang ke weld ea pele.Hobane groove ke e kholo, tjheseletsa ea pele e lokela ho tšeloa hanyenyane ho fokotsa bophara ba ho kopanya le ho fokotsa carbon content ea tšepe.Ha u koala arc, ho lokela ho lefshoa tlhokomelo ea ho tlatsa sekoti sa arc ho qoba ho hlahisa sekhahla sa arc pit crack.Ka mor'a ho tjheseletsa, ka potlako hammer weld le mahlakoreng ka bobeli ka hamore e nyenyane e nang le ntlha ho phomotsa khatello ea kelello ho fihlela ho e-na le matheba a teteaneng ka har'a weld. .Tsoela pele ho tjheseletsa ha tjheseletsa e pholile hoo e ka bang 200 ℃. Mokhoa oa ho cheselletsa oa weld e 'ngoe le e 'ngoe ka mor'a ho cheseha pele o tšoana le oa pele.Electrode e ka ts'oaroa hanyane.E le ho qoba li-pores, u se ke ua sisinyeha haholo. Ka mor'a ho cheselletsa, e le ho felisa lesela le thata le khatello ea kelello, seam ea welding le mahlakoreng ka bobeli a futhumatsoa hoo e ka bang 600 ~ 650 ℃ ka lelakabe la oksijene ea acetylene, 'me mocheso o bolokiloe 20 mets.Joale, seam tjheseletsa se koahetsoeng ka asbestos, hydrated kalaka phofo kapa lehlabathe le omeletseng, 'me seam tjheseletsa butle-butle cooled ho mocheso kamoreng.Sebelisa lebili polishing ho polishing weld, e le hore ketane hub sprocket tokiso e phethoe.
Nako ea poso: Jul-16-2021
