Hangata e sebelisoa libakeng tse hlabang tsa motlakase le libore.Sena se matla ho feta lisebelisoa tsa tšepe tse phahameng tsa carbon tse nang le phihlelo tse 'nileng tsa sebelisoa ka tloaelo ho tloha lilemong tsa bo-1940 kaha li khona ho sebetsana le mocheso o phahameng ntle le ho ama matla a tsona (bothata).Thepa ena e thusa HSS ho khaola ka potlako ho feta tšepe e phahameng ea carbon, ka hona lentsoe High Speed ​​Steel.Mocheso oa kamore, ka har'a moo, haholo-holo, ho etsoa tlhahiso ea phekolo ea mocheso, litlhahlobo tsa HSS, boholo ba tsona, li bontša boima bo phahameng (ka holim'a Rockwell hardness 60) le khanyetso ea matheba (ka kakaretso e amana le tungsten le vanadium content hangata e sebelisoang HSS) e fapaneng le e tloaelehileng ea carbon le sesebelisoa e lokisetsa.

Lisebelisoa

Tšebeliso ea mantlha ea lebelo le phahameng e ntse e tsoela pele ho kopanngoa ha lisebelisoa tse fapaneng tsa ho itšeha: li-drill, lipompo, li-cutters, li-cutters tsa lisebelisoa, li-cutters tsa hobbling (gear), tse boneng mecheng e bohale, lipolane le lithapo tse kopaneng, li-switches, joalo-joalo. ., ho sa tsotellehe taba ea hore tšebeliso ea litebele le ho raha bakete e ntse e eketseha.

Litokisetso tse potlakileng li fumane sebaka sa lisebelisoa tse ntle tsa matsoho moo bophelo ba bona bo bolelele bo phahameng ba boima bo phahameng bo kopantsoeng le khanyetso e phahameng ea matheba bo entseng hore li tšoanelehe bakeng sa lits'ebetso tsa lebelo le tlase tse hlokang ntlha e nchocho, joalo ka logong, lithapo, litlhōrō tsa sefofane le mahare a kichineng. le lithipa tse menoang ho tsoa Damaseka.

Lisebelisoa tsa tšepe tse lebelo le phahameng ke tsona tse tsebahalang haholo bakeng sa ho sebelisoa ha ho etsoa mapolanka, kaha boemo ba tlhahiso ea mosebetsi ka nģ'ane ho bohale bo batla bo potlakile bakeng sa lisebelisoa tse tšoaroang ka letsoho, kahoo HSS e na le moeli o molelele ho feta lisebelisoa tse tloaelehileng tsa carbon steel.

Mefuta

Metsoako e potlakileng ke li-amalgam tse fumanang thepa ea tsona ho tsoa ho lirafshoa tse ngata tse kopantsoeng tse sebelisoang ho carbon steel, hangata joalo ka tungsten le molybdenum, kapa ho tsoa ho tse peli tse kopaneng, ka linako tse ling ka metsoako e arohaneng.Ba na le boemo ba sebopeho sa likarolo tse ngata tsa Fe - C - X moo X e bolelang chromium, tungsten, molybdenum, vanadium kapa cobalt.Sehlopha sa X se sebelisoa boholo ba karolo ea 7 lekholong, hammoho le karolo ea 0.60 lekholong ea carbon.

Litlelase tsa mofuta oa Tungsten (mohlala, T1, T15) tsamaisong e kopaneng ea linomoro (UNS) li abeloa linomoro ka sebopeho sa T120xx, ha molybdenum (mohlala, M2, M48) le T113xx li le bohareng ba mekhoa ea litsela.Litekanyetso tsa ASTM li bonts'a mefuta e 7 ea tungsten le mefuta e 17 ea molybdenum.

Katoloso ea hoo e ka bang 10% ea tungsten le molybdenum ka kakaretso e eketsa ho thatafala le ho tiea ha High Speed ​​ho lokisa le ho boloka thepa eo mochesong o phahameng o entsoeng ha ho seha litšepe.

E ka Lula ka thata joang?

Ha u nahana ka sesebelisoa sa ho itšeha sa HSS, nahana ka mocheso.Mofuthu o fokolang oo o o etsang (ka sesebelisoa), sesebelisoa se huloang haholoanyane se tla tšoarella.Ha u futhumatsa HSS, u e isa mochesong o itseng (hona joale o bitsoa mocheso o phahameng) ka nako e boletsoeng esale pele.Sena se fa HSS boima ba eona bo hlakileng, empa e fokola haholo.Ka mor'a moo, e ile ea nka mocheso ho "halefisa kapa ho e hula".Sena ka kakaretso se finyelloa ho feta hang.Sena se jara boima ho moo u se hlokang 'me se fana ka HSS sturdiness (bobeli boima le matla li laoloa ke motsoako oa thepa).Thempereichara ea Tempering ha ea lokela ho feta ha u sebelisa kapa ho lokisa sesebelisoa kapa se tla thatafala (ho phomola).Sena se tla fapana ho tloha ho tse 'maloa tse tsepamisitsoeng (Rc) ho ea tlase ka botlalo.Ena ke tlhaloso ea bohlokoa haholo ea mofuthu o putsang HSS.

Shanghai Histar Metal Co., Ltd

www.yshistar.com