Kenyelletso ea lisebelisoa tsa rollers mochining oa ho etsa roll

Lirolarake mohato oa bohlokoa ka ho fetisisa homokgoa o batang wa ho bopa.Ka hona, thepa e khethiloeng bakeng sa rolara e boetse ke ntlha ea bohlokoa ea ho ahlola boleng bamochini o etsang roll.Khetho ea lisebelisoa tse fapaneng tsa lirolara e tla baka phapang e kholo boleng ba profil le ka theko ea tlhahiso.'Marakeng oa mochini oa mochini oa China, lisebelisoa tsa lirolara hangata li arotsoe ka mefuta e latelang: tšepe e 45, tšepe e 45 e kentsoeng ka Cr, GCr15, Cr12, Cr12MOV, jj.

Baetsi ba bangata le bona ba tla fetola lirolara hore li lahle tšepe e le ho boloka litšenyehelo.Bareki ba hloka ho khetholla ka hloko ha u reka mechini.Ka lebaka la likarolo tse fapaneng tsa tšepe tsa likarolo tsa lik'hemik'hale C, Cr, MO, V, joalo-joalo tsa mefuta e 'maloa ea lisebelisoa tse boletsoeng ka holimo, ts'ebetso ea ts'ebetso le theko li fapane haholo, kahoo kopo tlhahisong e boetse e fapane.Bakeng sa li-coil tse tloaelehileng tse nang le matla a ho hlahisa ka tlase ho 330Mpa le bophara ba botenya bo ka tlase ho 1.5mm, joalo ka maqephe a chesang a chesang, maqephe a batang, PPGI, tšepe ea galvanized, 45 steel kapa 45 steel chromed e ka finyella litlhoko.E le ho thibela li-rollers hore li se ke tsa rusa le ho lelefatsa bophelo ba tšebeletso ea li-roller, Mechini ea Linbay e sebelisa mokhoa oa ho roala ka chrome ho li-roller tsohle tse 45 tsa tšepe (botenya ba chrome ke 0.05mm), 'me boima ba ka mor'a phekolo ea mocheso bo ka fihla ho 58-62HRC, e batla e tšoana le ho thatafala ha Cr12 le GCr15.Ha e ntse e fokotsa litšenyehelo, e fumana boleng bo botle ka nako e le 'ngoe.Haeba u batla ho hlahisa likhoele tse matla haholo tse nang le matla a ho kotuloa a fetang 350Mpa kapa li-coil tsa tšepe tse sa hloekang, Linbay Machinery li tla khetha GCr15 kapa Cr12 e le lisebelisoa tsa lirolara, tse theko e phahameng haholo.Lisebelisoa tsena tse peli li na le khanyetso e phahameng ea ho apara, botsitso ba mocheso le matla a ho hatella, ts'ebetso e babatsehang ka kakaretso.Har'a tsona, karolo ea Cr12 e lekana le American Standard D3.Ntle le ho sebelisoa joalo ka thepa ea roll, Cr12 e boetse e sebelisoa hangata joalo ka setebele, ho shoa le ho kenya thepa.Thepa ea boleng bo holimo ea lirolara ke Cr12Mov kapa SKD11 e tloaelehileng ea Majapane kapa D2 ea Amerika, e theko e phahameng haholo ha e bapisoa le tse ling, e na le khanyetso e phahameng ea ho roala ebile e na le nako e telele ea ts'ebeletso.Ntle le ho sebelisoa e le lisebelisoa tsa rolara, Mechini ea Linbay hangata e sebelisa thepa ena ho seha lehare.

Ka holim'a tsohle, o ka khetha thepa ea rolara ho latela litlhoko tsa profil ea hau le tekanyetso ea matsete.Linbay Machinery e tla lula e u fa tharollo e molemohali bakeng sa litlhoko tsa hau tse ikhethileng, e le hore u ka reka mochini o khotsofatsang haholo oa ho etsa moqolo.

Sebopeho se seholo le ts'ebetso ea li-rollers mochining oa ho etsa moqolo
Ho hlahisa
naha
Lintho tse bonahalang
mohlala
C
dikahare
Cr
dikahare
MO
dikahare
V
dikahare
Thata ka mora
phekolo ea mocheso
Tshebetso
China 45 tšepe 0.42%-0.5% ≤0.25% 56-59HRC E na le matla a matle le ts'ebetso ea ho itšeha, phekolo ea mocheso ho fumana tekanyo e itseng ea ho thatafala, polasetiki, ho hanyetsa ho roala, ka mor'a ho tima le ho fokotsa phekolo, thepa ea mechine e molemo ho feta litšepe tse ling tse mahareng tsa carbon structural.
China GCr15 0.95%-1.05% 1.3%-1.65% 61-66HRC High-carbon chromium e nang le tšepe e nang le alloy e tlase, kamora ho tima le mocheso o tlase oa mocheso, e na le bothata bo phahameng, mochini o motle.
thepa, sebopeho se ts'oanang,
mokhathala o motle le ho kopana haholo
tshebetso ya mokgathala.
China Cr12 2.0%-2.3% 11.0%-13% ≥58HRC Tšepe e phahameng ea carbon e na le khabone e phahameng, ka hona e na le boima bo phahameng, likarolo tsa alloy li eketsa ho thatafala, ho hanyetsa ho apara haholo, empa ho na le tšusumetso e mpe.
boimana.
China Setšoantšo sa Cr12MOV 1.45%-1.7% 11.0%-12.5% 0.4%-0.6% 0.15% -0,3 ≥60HRC V e ka hloekisa lijo-thollo tsa tšepe,
ntlafatsa ho thatafala le
matla a mocheso, ho boloka matla le ho hanyetsa ho lekaneng ho deformation ka mocheso o phahameng;Cr e ka eketsa matla le ho tiea,
'me u kopane le C ho etsa li-carbides, tse ka sebelisoang tlas'a mocheso o phahameng le khatello E ka ntlafatsa khanyetso ea hydrogen corrosion;
ho thatafala ka mor'a ho tima le ho halefa, ho hanyetsa le matla a phahame ho feta Cr12, e sebelisetsoang ho etsa hore litebele tse fapaneng tse batang li shoe.
Japane SKD11 1.4%-1.6% 11%-13% 0.8%-1.2% 0.2%-0.5% + 62HRC E tsamaellana le Cr12MOV ea China, le US D2
US D2 1.4%-1.6% 11.0%-13% 0.7%-1.2% 0.80% ≥60HRC E lumellana le Cr12Mov ea China,
le SKD11 ea Japane
US D3 2%-2.35% 11%-13.5% 60-62HRC E tsamaellana le Cr12 ea China

Nako ea poso: Aug-27-2020

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