Lipoleiti tsa tšepe tse sa cheng:
(1) NM360 (360 e thibelang ho apara)
Ho reha lebitso: N ke resistance (nai) M ke tlhaku ea pele ea pinyin ea litlhaku tse peli tsa Sechaena bakeng sa ho sila (mo), 'me 360 e emela boima bo tloaelehileng ba Brinell ba lipoleiti tsena tsa tšepe.
Phekolo ea mocheso: mocheso o phahameng oa mocheso, ho tima + ho futhumatsa (ho tima le ho kokobetsa)
Kopo: Letlapa la tšepe le sa sebetseng la NM360 le sebelisoa haholo mecheng ea merafo, mechini ea merafo ea mashala, tikoloho.
E boetse e sebelisoa ka mokhoa o tloaelehileng e le tšepe e matla ea sebopeho se nang le matla a tlhahiso ≥ 700MPa.Haholo-holo ke ho fana ka ts'ireletso bakeng sa liketsahalo kapa likarolo tse hlokang ho se sebetse, e le ho etsa hore lisebelisoa li be le nako e telele, ho fokotsa nako ea ho lokisa e bakoang ke tlhokomelo, 'me ka tsela e tšoanang ho fokotsa lichelete tsa lichelete.
Ts'ebetso: Kotulo e feta 800, 'me matla a thata a feta 1000.
(2) NM400
NM400 ke lipoleiti tsa tšepe tse matla haholo tse manganga.NM400 e na le matla a phahameng haholo a mochini;thepa ea eona ea mechine ke makhetlo a 3 ho isa ho a 5 a lishiti tse tloaelehileng tsa tšepe tse tlaase;e ka ntlafatsa haholo khanyetso ea ho roala ha likarolo tse amanang le mochini;kahoo ho ntlafatsa bophelo ba tšebeletso ea mechine le ho fokotsa litšenyehelo tsa tlhahiso.Boima ba bokaholimo ba sehlahisoa sena hangata bo fihla ho 360 ~ 450HB.Lipoleiti tsa tšepe tse sebetsang bakeng sa ho sebetsa le ho etsoa ha likarolo tse sa senyeheng le tse tlokotsing bakeng sa merafo le mechini e fapaneng ea kaho.
Letlapa la tšepe le sa sebetseng la NM400 le sebelisoa haholo mecheng ea kaho, mechini ea merafo, mechini ea merafo ea mashala, mechini ea ts'ireletso ea tikoloho, metjhini ea metallurgical le likarolo tse ling tsa sehlahisoa.Excavator, loader, bulldozer bucket plate, edge plate, side edge plate, lehare.Li-crusher liner, li-blades.
(3) Mn13 (tšepe e tloaelehileng ea manganese e phahameng)
Mn13 ke tšepe e phahameng ea manganese e sa sebetseng (HIGH MANGANESE STELL SCRAP), e leng khetho e ntle ka ho fetisisa har'a lisebelisoa tse sa senyeheng tse kang tšusumetso e matla le lisebelisoa tse phahameng tsa khatello.
Ho na le litšoaneleho tse peli tse kholo ka ho fetisisa tsa tšepe e phahameng ea manganese: e 'ngoe ke hore ts'usumetso e kholo ea kantle, e phahamisa khanyetso ea lera la eona.Ha e ameha, ho thatafala ha bokaholimo ba eona ho tla eketseha ka potlako ho tloha ho HB200 ho ea holimo ho HB700, ka hona ho hlahisa lera le sa senyeheng haholo.The austenite karolong e ka hare ea poleiti ea tšepe e ntse e boloka matla a tšusumetso e ntle;ea bobeli ke hore ka ho senyeha butle-butle ha lera le thatafalitsoeng holim'a metsi, lihlopha tse ncha tse thata-thata li tla tsoela pele ho theha.
Letlapa la tšepe la Mn13 le na le khanyetso e ntle ea ho roala ha matla le khatello e matla ea khatello ea maikutlo, e ke ke ea robeha nakong ea ts'ebeliso, 'me e na le lisebelisoa tse bonolo tsa machining joalo ka ho itšeha, welding le ho kobeha.
Ka tloaelo tšepe e entsoeng ka chromium e phahameng e na le khanyetso e ntle ea ho apara feela bakeng sa moaparo o tsamaeang.Letlapa la tšepe la Mn13 le ka fokotsa litšenyehelo tsa tšebeliso ea likarolo tsa lisebelisoa, la boloka litšenyehelo tsa tlhokomelo ea lisebelisoa, le ho ntlafatsa tlholisano ea lihlahisoa tse felileng.
Leha ho le joalo, ho hanyetsa ho roala ha tšepe e phahameng ea manganese ho bontša bophahamo ba eona feela tlas'a maemo a lekaneng ho theha mosebetsi o thata, 'me o futsanehile maemong a mang.
Thepa e tloaelehileng ea Mn17 e sa sebetseng e phahameng ea manganese ke ho eketsa palo ea manganese motheong oa tšepe ea Mn13, e ntlafatsang botsitso ba austenite le ho thibela pula ea li-carbides, ka hona e ntlafatsa matla le polasetiki ea tšepe le ho ntlafatsa mosebetsi. ho thatafatsa bokgoni ba tshepe.le ho hanyetsa abrasion.Ka mohlala, bophelo ba tšebeletso ea lifereko tsa terene ea ZGMn18 tse sebelisoang ka leboea ke 20% ~ 25% e phahameng ho feta ea ZGMn13.
Litekanyetso le boholo ba ts'ebeliso ea tšepe e phahameng ea manganese e sebelisoang haholo Chaena ke: ZGMn13-1 (C 1.10% ~ 1.50%) e sebelisetsoa likarolo tse fokolang, ZGMn13-2 (C1.00%～1.40%) e sebelisetsoa likarolo tse tloaelehileng, ZGMn13- 3 (C0.90% ~ 1.30%) e sebelisetsoa likarolo tse rarahaneng, 'me ZGMn13-4 (C0.90% ~ 1.20%) e sebelisetsoa likarolo tse phahameng tsa tšusumetso.Likahare tsa manganese tsa lihlopha tse 'nè tse ka holimo tsa tšepe ke 11.0% ho ea ho 14.0%.
Bakeng sa ho cheselletsa le ho lokisa, li-electrode tsa manganese-nickel tse thehiloeng ho austenite (mofuta oa D256 kapa D266) li lokela ho khethoa, tse nang le litlhaloso tse telele le tse tšesaane, φ3.2mm × 350mm, 'me seaparo sa ka ntle ke alkaline.Mokhoa oa ts'ebetso o amohela khokahano ea DC reverse, e nyane ea hajoale, arc e fokolang, sefaha se senyenyane sa welding le likarolo tse ngata tsa welding, 'me kamehla e boloka mocheso o tlase le mocheso o tlase.Otla ha u ntse u cheselletsa ho felisa khatello ea kelello.Li-casting tsa bohlokoa li tlameha ho bonoa.Flash welding (Swiss GAAS80/700 flash welding machine) kapa MAG welding (joalo ka Nissan YD-S-500) e ka sebelisoa bakeng sa ho tjheseletsa ha bohlokoa, e ka netefatsang thepa ea mochini oa welding seam.
Sehlomathiso sa 1: Khopolo ea ho thatafala
Ho thatafala ke index ea ts'ebetso ea ho lekanya bonolo le boima ba thepa.Ho na le mekhoa e mengata ea teko ea boima, melao-motheo ha e tšoane, 'me litekanyetso tsa boima bo lekantsoeng le litlhaloso ha li tšoane hantle.E tloaelehileng haholo ke teko ea boima ba mokhoa oa static load indentation, e leng Brinell hardness (HB), Rockwell hardness (HRA, HRB, HRC), Vickers hardness (HV), rabara ea polasetiki ea Shore hardness (HA, HD) le boima bo bong Boleng ba eona bo bontša bokgoni ba bokahodimo ba thepa ho hanela ho kena hoa ntho e thata.Ho thatafala ha se palo e bonolo ea 'mele, empa ke index ea ts'ebetso e felletseng e bonts'ang elasticity, polasetiki, matla le ho tiea ha thepa.
Ho thatafala ha tšepe: Lebitso la khoutu ea ho thatafala ha tšepe ke H. Ho ea ka mekhoa e fapaneng ea teko ea boima, ho na le lipolelo tse latelang haholo-holo.
●Mantsoe a tloaelehileng a kenyelletsa Brinell (HB), Rockwell (HRC), Vickers (HV), Leeb (HL) hardness, joalo-joalo, tseo HB le HRC li sebelisoang haholo ho tsona.
●HB e na le mefuta e mengata ea lisebelisoa, 'me e sebelisoa ka kakaretso ha thepa e le bonolo, e kang litšepe tse se nang ferrous, tšepe pele ho phekoloa mocheso kapa ka mor'a ho kenngoa.HRC e loketse lisebelisoa tse nang le boima bo phahameng ba holim'a metsi, joalo ka boima ba kalafo ea mocheso, joalo-joalo.
Phapang pakeng tsa tse peli ke hore li-probe tsa bahlahlobi ba boima li fapane.Li-probe tsa Brinell hardness tester ke libolo tsa tšepe, ha li-probe tsa Rockwell hardness tester ke litaemane.Tlas'a maemo a itseng, HB le HRC li ka fapanyetsanoa ka ho sheba tafoleng.Mokhoa oa eona oa ho bala oa kelello o ka rekota ka mokhoa o batlang o le: 1HRC≈1/10HB.
●HV-e loketse tlhahlobo ea microscopic.Vickers hardness (HV) e hatelloa ka holim'a thepa e nang le mojaro o ka tlase ho 120kg le "diamane square cone indenter" e nang le vertex angle ea 136 °, 'me sebaka se ka holim'a sekoti sa indentation sa thepa se arotsoe ke mojaro. value, e leng Vickers hardness value (HV).Rockwell hardness (HR-) e khethoa ke botebo ba deformation ea polasetiki ea indentation ho fumana index ea boleng ba hardness.E bonolo ho sebetsa, e potlakile ebile e utloahala, 'me e loketse tlhahiso ea bongata.
Sehlomathiso sa 2: Litšepe tse tloahelehileng tse sebelisoang hangata
Domestic (Wugang, Xingang, Wuhan Iron and Steel, Nangang, Baosteel): NM360, NM400, NM450, NM500, NR360, NR400, B-HARD360, B-HARD400, B-HARD450
Litšepe tsa Sweden tse manganga: HARDOX400, HARDOX450, HARDOX500, HARDOX600, SB-50, SB-45
Litšepe tsa Jeremane tse manganga: XAR400, XAR450, XAR500, XAR600, Dillidur400, Dillidur500
Litšepe tsa Belgian tse sa sebetseng: QUARD400, QUARD450, QUARD500
Tšepe ea Fora e sa keneleng ho roala: FORA400, FORA500, Creusabro4800, Creusabro8000
Litšepe tsa Finnish tse sa khoneng ho roala: RAEX400, RAEX450, RAEX500
Litšepe tsa Majapane tse manganga: JFE-EH360, JFE-EH400, JFE-EH500, WEL-HARD400, WEL-HARD500.
Nako ea poso: Jan-29-2023