Ka lebaka la ho tiea ho matla ha thepa e kopantsoeng ea tšepe e phahameng ea manganese le alloy alloy, alloy e sa sebetseng e nang le boima bo matla e ka phahamisoa holim'a metsi, e le hore matla a holim'a leino la bakete a ntlafatsoe haholo, e le hore ho ka fumanoa ho feta. leino la bakete le loketseng.Hobane e na le melao-motheo e matla ts'ebetsong ea ho hanyetsa komello, li-alloys tsa welding tsa overlay tse nang le boima bo phahameng le ho hanyetsa ho apara hantle li lokela ho khethoa ka thepa.
Ho ea ka liphuputso tse amehang, motsoako o phahameng oa tšepe o na le khanyetso e matla ho feta lisebelisoa tse phahameng tsa manganese, 'me motsoako o phahameng oa tšepe kapa motsoako oa tšepe oa martensitic o sebelisoa ha ho etsoa meno a macha a bakete le ho lokisa meno a khale a libakete.Ha ho lokisoa kalafo, lelakabe la acetylene le ka khaoloa ke ntlha ea leino la khale la nkho, le siea groove e itseng, ebe o sebelisa molamu oa tšepe oa austenitic oa manganese ho etsa kalafo e tšoanang ea mofuta oa pele, 'me qetellong o koahela kalafo ea welding holim'a metsi. ho ntlafatsa ho itoanela ha li-excavators tse kholo merafong.

Ntlha ea pele, mokhoa oa ho itšeha
Ha leino la nkho le itšoara ka lejoe (ore) tlas'a moroalo o phahameng oa tšusumetso, ka lehlakoreng le leng, le kopana le lejoe la majoe (ore) 'me le hlahisa matla a maholo, haeba matla a lihlahisoa a leino la nkho a le tlaase, ntlha ea leino la bakete e hlahisa ho holofala ho itseng ha polasetiki, ho leng bonolo ho etsa foro ea polasetiki.Ka lehlakoreng le leng, ha leino la bakete le kenngoa ka har'a lefika (ore), haeba boima ba leino la bakete bo le tlase ho feta boima ba lefika (ore), likaroloana tsa lefika (ore) li sutumetsoa ka holim'a metsi. leino la bakete, le tla hlahisa litsupa tse telele ka sebopeho sa mothinya kapa spiral, ho theha groove ea ho itšeha, e ka tsamaeang le li-chips tse nyane.Chip ka lebaka la ho kuta ketso le palo e khōlō ea deformation, hlahisa palo e khōlō ea deformation latent mocheso, hlaha haufi le ka makhethe lokisetsa thella mehato ea, ho thehoa ha wrinkles, ho phaella moo, khohlano lona le lefika (ore) ho hlahisa khohlano mocheso, deformation. Mocheso o patehileng le mocheso oa likhohlano o kopantsoeng ho etsa hore mocheso oa chip o phahame haholo, o matlafatsoa ke recrystallization, ho nolofala ha mocheso, phetoho e matla ea mohato, joalo-joalo, ho fetola sebopeho sa ka hare sa chip, tse ling le tsona li hlaha ketsahalo ea ho qhibiliha ea sebakeng seo.
Ea bobeli, mokhathala o ebola mochine
Leino la bakete le kenngoa ka har'a lejoe (bolelele) ho khutlisa, 'me foro ea mohoma ea polasetiki e entsoeng ka holim'a metsi e sithabetsoa ke likaroloana tsa lejoe holim'a phahamiso ka makhetlo a mangata, tse ka etsang tafole ea tšepe e ngata, le mapetsong le mapetsong a brittle. e tla hlahisoa ha khatello ea kelello ea leino la bakete e feta tekanyo ea matla.Ea pele e petsoha perpendicular ho tataiso ea ho apara, 'me e' ngoe e petsohile kapa e tabohile ka tataiso ea ho roala, e nang le metsero e boreleli e grooved ka lehlakoreng le ka pele, e boreleli ka morao, le metsero e fetang e entsoeng ka ho senya deformation ka mahlakoreng.Haeba lefika le le khutlontsi, le tla kuta lera la deformation mme le thehe maloanlahla, a bataletseng le a nang le mapheo a mahoashe.Ho boetse ho na le boemo, ha leino la nkho le lefika le nka khato khafetsa, deformation ea polasetiki ea nkho ea leino 'me e etsa hore ho be le phello e thata ea mosebetsi, e le hore leino le ka holimo la leino la nkho le robehe, tlas'a tšusumetso e matla ea lefika, bokaholimo ba leino bo tla etsa li-brittle chips, 'me bokaholimo ba eona bo na le mapetsong a radial a botebo bo fapaneng.Tšobotsi ena ea brittle cracking e boetse e le mokhoa o tiileng oa ho khathala ha mokhathala.Mochine oa ho hloleha ho apara o amana le thepa le maemo a ho sebetsa, haholo-holo ho kenyelletsa ho itšeha, ho khathala ho khathala le mekhoa e meng.Ka kakaretso, mokhoa oa ho itšeha o laola mokhoa oa ho hloleha ha meno a bakete, o fihla ho feta 7O;Ka ho eketseha ha boima ba meno a bakete, mochine oa ho khathala o ile oa eketseha butle-butle, o ikarabella bakeng sa 2O ~ 3O;Ha boima ba thepa bo fihla moeling o ka holimo, brittleness e eketseha 'me brittle chipping e ka etsahala.Bakeng sa maemo a ho sebetsa a laoloang ke mochine oa ho itšeha, ho ntlafatsa ho thatafala ha thepa ea leino la bakete ho thusa ho ntlafatsa ho hanyetsa ha eona;Bakeng sa mochine oa ho khathala ha mokhathala, thepa e hlokahalang ho ba le ho lekana hantle ka thata le ka thata;Boima bo phahameng, boima bo phahameng ba ho robeha, sekhahla se tlaase sa khōlo ea crack le tšusumetso e matla ea ho khathala ha mokhathala kaofela li kenya letsoho ho ntlafatsa ho hanyetsa ha thepa.