Litaba - Ketane ea Sekepe sa Slag Scraper (Ketane ea Sehokelo se Potolohileng) Lisebelisoa le Bothata

Bakeng saliketane tse chitja tsa lihokeloHa e sebelisoa ho li-conveyor tsa slag scraper, thepa ea tšepe e tlameha ho ba le matla a ikhethang, ho hanyetsa ho tsofala, le bokhoni ba ho mamella mocheso o phahameng le libaka tse khopisang.

17CrNiMo6 le 23MnNiMoCr54 ka bobeli ke litšepe tsa alloy tsa boleng bo holimo tse sebelisoang haholo bakeng sa lits'ebetso tse boima joalo ka liketane tse chitja tsa khokahano li-conveyor tsa slag scraper. Litšepe tsena li tsebahala ka ho ba thata, ho tiea le ho hanyetsa ho tsofala ha tsona, haholo-holo ha li thatafatsoa ke carburizing. Ka tlase ke tataiso e qaqileng mabapi le kalafo ea mocheso le carburizing bakeng sa thepa ena:

17CrNiMo6 (1.6587)

Ena ke tšepe ea motsoako oa chromium-nickel-molybdenum e nang le ho tiea ho hoholo ha mantlha le ho thatafala ha bokaholimo ka mor'a ho chesoa ha tšepe. E sebelisoa haholo likereng, liketane le likarolo tse ling tse hlokang ho hanyetsa ho tsofala haholo.

Kalafo ea Mocheso bakeng sa 17CrNiMo6

1. Ho lokisa maemo (Ho ikhethela):

- Morero: E ntlafatsa sebopeho sa thollo mme e ntlafatsa bokgoni ba ho sebetsa.

- Mocheso: 880–920°C.

- Ho phodisa: Ho phodisa moya.

2. Ho kenya khabone ka har'a carburizing:

- Morero: E eketsa dikahare tsa khabone e ka hodima metsi ho etsa lera le thata, le sa senyeheng.

- Mocheso: 880–930°C.

- Sepakapaka: Tikoloho e ruileng ka khabone (mohlala, khase e kenyang khase ka khase ea endothermic kapa khase e kenyang khase ka metsi).

- Nako: Ho itshetlehile ka botebo ba khetla bo lakatsehang (hangata 0.5–2.0 mm). Mohlala:

- Botebo ba khetla ea 0.5 mm: ~lihora tse 4–6.

- Botebo ba khetla ea 1.0 mm: ~lihora tse 8–10.

- Bokgoni ba Khabone: 0.8–1.0% (ho fihlela dikahare tse ngata tsa khabone hodima metsi).

3. Ho tima:

- Morero: E fetola lera la bokaholimo ba khabone e ngata hore e be martensite e thata.

- Mocheso: Hang ka mora ho tjhesa ka oli, e tima ka oli (mohlala, ho 60–80°C).

- Sekhahla sa ho Pholisa: E laoloa ho qoba ho sotha.

4. Ho leka-lekanya:

- Morero: E fokotsa ho robeha ha bonolo le ho ntlafatsa ho tiea ha eona.

- Mocheso: 150–200°C (bakeng sa ho tiea ho hoholo) kapa 400–450°C (bakeng sa ho tiea ho betere).

- Nako: lihora tse 1–2.

5. Bothata ba ho Qetela:

- Bothata ba Bokaholimo: 58–62 HRC.

- Bothata ba Motheo: 30–40 HRC.

23MnNiMoCr54 (1.7131)

Ena ke tšepe ea motsoako oa manganese-nickel-molybdenum-chromium e nang le ho tiea le ho tiea ho babatsehang. Hangata e sebelisoa likarolong tse hlokang matla a phahameng le ho hanyetsa ho tsofala.

Kalafo ea Mocheso bakeng sa 23MnNiMoCr54

1. Ho lokisa maemo (Ho ikhethela):

- Morero: Ho ntlafatsa ho tšoana le ho sebetsa hantle ha mechini.

- Mocheso: 870–910°C.

- Ho phodisa: Ho phodisa moya.

2. Ho kenya khabone ka har'a carburizing:

- Morero: E hlahisa lera la bokaholimo bo nang le khabone e ngata bakeng sa ho hanyetsa ho tsofala.

- Mocheso: 880–930°C.

- Sepakapaka: Tikoloho e ruileng ka khabone (mohlala, khase kapa mokelikeli o kenyang khabone).

- Nako: Ho itshetlehile ka botebo ba khetla bo lakatsehang (bo tshwanang le 17CrNiMo6).

- Bokgoni ba Khabone: 0.8–1.0%.

3. Ho tima:

- Morero: E thatafatsa lera le ka holimo.

- Mocheso: Ho tima ka oli (mohlala, ho 60–80°C).

- Sekhahla sa ho Pholisa: E laoloa ho fokotsa ho sotha.

4. Ho leka-lekanya:

- Morero: Ho leka-lekanya ho thatafala le ho tiea.

- Mocheso: 150–200°C (bakeng sa ho tiea ho hoholo) kapa 400–450°C (bakeng sa ho tiea ho betere).

- Nako: lihora tse 1–2.

5. Bothata ba ho Qetela:

- Bothata ba Bokaholimo: 58–62 HRC.

- Bothata ba Motheo: 30–40 HRC.

Liparamente tsa Bohlokoa bakeng sa Carburizing

- Botebo ba Nyeoe: Hangata 0.5–2.0 mm, ho latela ts'ebeliso. Bakeng sa liketane tsa slaper tsa slag, botebo ba nyeoe ba 1.0–1.5 mm hangata bo loketse.

- Bokaholimo ba Khabone: 0.8–1.0% ho netefatsa hore e thatafetse haholo.

- Mohareng oa ho Tima: Oli e khethoa bakeng sa litšepe tsena ho qoba ho petsoha le ho sotha.

- Temperature: Dithemperature tse tlase tsa temperature (150–200°C) di sebediswa bakeng sa ho thatafala ho hoholo, ha dithemperare tse phahameng (400–450°C) di ntlafatsa ho tiya.

Melemo ea ho kenya Carburizing bakeng sa 17CrNiMo6 le 23MnNiMoCr54

1. Bothata bo Holimo ba Sebaka: E fihlella 58–62 HRC, e fana ka khanyetso e ntle ea ho robeha.

2. Tough Core: E boloka ductile core (30–40 HRC) ho mamella ho tetebela le mokhathala.

3. Ho tšoarella: E loketse libaka tse thata joalo ka ho sebetsana le litšila, moo ho hohlana le ho tetebela ho atileng.

4. Botebo ba Nyeoe bo Laoloang: E lumella ho iketsetsa ho latela ts'ebeliso e itseng.

Mehopolo ea Kamora Kalafo

1. Ho Hlaba ka Ente:

- E ntlafatsa matla a mokhathala ka ho baka khatello e matla holim'a metsi.

2. Ho Qetella ka Holimo:

- Ho sila kapa ho polisha ho ka etsoa ho fihlela qetello e lakatsehang ea bokaholimo le ho nepahala ha litekanyo.

3. Taolo ea Boleng:

- Etsa liteko tsa ho thatafala (mohlala, Rockwell C) le tlhahlobo ea sebopeho sa microstructural ho netefatsa botebo le ho thatafala ha nyeoe hantle.

Teko ea ho thatafala ke mohato oa bohlokoa ho netefatseng boleng le ts'ebetso ea liketane tsa khokahano e chitja tse entsoeng ka thepa e kang 17CrNiMo6 le 23MnNiMoCr54, haholo-holo kamora ho sebelisoa ha carburizing le kalafo ea mocheso. Ka tlase ke tataiso e felletseng le likhothaletso tsa teko ea ho thatafala ha ketane ea khokahano e chitja:

Bohlokoa ba Teko ea ho Tiea

1. Bothata ba Bokaholimo: E netefatsa hore lera le nang le khabone ea khokahano ea ketane le fihletse khanyetso e lakatsehang ea ho tsofala.

2. Bothata ba Motheo: E netefatsa ho tiea le ho ductility ha thepa ea motheo ea khokahano ea ketane.

3. Taolo ea Boleng: E tiisa hore ts'ebetso ea kalafo ea mocheso e entsoe ka nepo.

4. Ho tsitsa: Ho netefatsa ho tšoana ho pholletsa le lihokelo tsa ketane.

Mekhoa ea Teko ea ho Tiea ha Ketane ea Lihokelo tse Potolohileng

Bakeng sa liketane tse nang le carburized, mekhoa e latelang ea teko ea ho thatafala e sebelisoa hangata:

1. Teko ea ho Tiea ha Rockwell (HRC)

- Morero: E lekanya ho thatafala ha bokaholimo ba lera le nang le khabone.

- Sekala: Rockwell C (HRC) e sebelisetsoa thepa e thata haholo.

- Mokhoa:

- Khoune ea daemane e hatelloa holim'a ketane tlas'a mojaro o moholo.

- Botebo ba ho kenella boa lekanngoa mme bo fetoloa boleng ba ho thatafala.

- Likopo:

- E loketse ho lekanya boima ba bokaholimo (58–62 HRC bakeng sa mekhahlelo e nang le khabone).

- Lisebelisoa: Mohlahlobi oa ho thatafala ha Rockwell.

2. Teko ea ho Tiea ha Vickers (HV)

- Morero: E lekanya ho thatafala ha karolo e itseng, ho kenyeletsoa le karolo e ka hare le e ka hare.

- Sekala: Bothata ba Vickers (HV).

- Mokhoa:

- Karolo e ka hare ho piramite ea taemane e hatelloa ka har'a thepa.

- Bolelele bo otlolohileng ba ho kenella ha lesoba boa lekanngoa mme bo fetoloa ho ba thata.

- Likopo:

- E loketse ho lekanya di-gradients tsa thata ho tloha hodima bokahodimo ho ya bohareng.

- Lisebelisoa: Setei sa ho leka ho thatafala ha Vickers.

3. Teko ea ho tiea ha Micro

- Morero: E lekanya thatafalo boemong ba microscope, hangata e sebediswa ho lekola boemo ba thatafalo ho pholletsa le khetla le karolo e ka hare.

- Sekala: Vickers (HV) kapa Knoop (HK).

- Mokhoa:

- Sekotwana se senyenyane se sebediswa ho etsa dikotwana tse nyane.

- Bothata bo balwa ho latela boholo ba ho kenella ha lesoba.

- Likopo:

- E sebelisoa ho fumana hore na ho thatafala hakae le botebo ba nyeoe bo sebetsang hantle.

- Lisebelisoa: Mohlahlobi oa ho thatafala ha microhardness.

4. Teko ea ho Tiea ha Brinell (HBW)

- Morero: E lekanya ho thatafala ha thepa ea mantlha.

- Sekala: Bothata ba Brinell (HBW).

- Mokhoa:

- Bolo ea tungsten carbide e hatelloa ka har'a thepa tlas'a mojaro o itseng.

- Bophara ba ho kenella ha lesoba boa lekanngoa ebe bo fetoloa ho ba thata.

- Likopo:

- E loketse ho lekanya boima ba mantlha (e lekanang le 30–40 HRC).

- Lisebelisoa: Setei sa ho leka ho thatafala ha Brinell.

Mokhoa oa Teko ea ho Tiea ha Liketane tsa Carburised

1. Teko ea ho Tiea ha Bokaholimo:

- Sebelisa sekala sa Rockwell C (HRC) ho lekanya boima ba lera le nang le khase.

- Leka lintlha tse ngata holim'a lihokelo tsa ketane ho netefatsa hore lia tšoana.

- Bothata bo lebeletsoeng: 58–62 HRC.

2. Teko ea ho Tiea ha Motheo:

- Sebelisa sekala sa Rockwell C (HRC) kapa Brinell (HBW) ho lekanya boima ba thepa ea mantlha.

- Leka karolo e ka hare ka ho seha karolo e tshekaletseng ya kgokelo ya ketane le ho lekanya boima bohareng.

- Bothata bo lebeletsoeng: 30–40 HRC.

3. Teko ea Boemo ba ho Tiea:

- Sebelisa teko ea Vickers (HV) kapa Microhardness ho lekola gradient ea thatafalo ho tloha holim'a metsi ho ea bohareng ba 'mele.

- Lokisa karolo e tshekaletseng ya kgokelo ya ketane mme o etse di-indetation ka dinako tse tlwaelehileng (mohlala, 0.1 mm e nngwe le e nngwe).

- Rala boleng ba thata ho fumana botebo ba nyeoe bo sebetsang (hangata moo thata e theohelang ho 550 HV kapa 52 HRC).

Litekanyetso tse Khothaletsoang tsa ho Tiea bakeng sa Chain ea Conveyor ea Slag Scraper

- Bothata ba Bokaholimo: 58–62 HRC (kamora ho cheka le ho tima).

- Bothata ba Motheo: 30–40 HRC (kamora ho tebisa).

- Botebo bo Sebetsang ba Nyeoe: Botebo boo ho thatafala ho bona ho theohelang ho 550 HV kapa 52 HRC (hangata 0.5–2.0 mm, ho latela ditlhoko).

Litekanyetso tsa ho tiea bakeng sa Chain ea Conveyor ea Slag Scraper

Teko ea ho Tiea ha Ketane ea Sehokelo se Potolohileng 01

Taolo ea Boleng le Maemo

1. Khafetsa ea Teko:

- Etsa teko ea ho thatafala holim'a sampole e emelang liketane ho tsoa sehlopheng se seng le se seng.

- Leka lihokelo tse ngata ho netefatsa hore lia lumellana.

2. Maemo:

- Latela maemo a machaba a liteko tsa ho thatafala, joalo ka: ISO 6508

Litlhahiso tse ling tsa Teko ea ho Tiea ha Chain ea Round Link

1. Teko ea ho Tiea ha Ultrasonic

- Morero: Mokhoa o sa senyeheng oa ho lekanya bothata ba bokaholimo.

- Mokhoa:

- E sebelisa probe ea ultrasound ho lekanya boima bo ipapisitseng le ho se lumellane ha ho kopana.

- Likopo:

- E thusa ho leka liketane tse felileng ntle le ho li senya.

- Lisebelisoa: Sesebelisoa sa ho hlahloba bothata ba ultrasonic.

2. Tekanyo ea Botebo ba Nyeoe

- Morero: E fumana botebo ba lera le thatafaditsweng la kgokelo ya ketane.

- Mekhoa:

- Teko ea Bothata bo Bonyenyane: E lekanya boima botebong bo fapaneng ho khetholla botebo bo sebetsang ba nyeoe (moo boima bo theohelang ho 550 HV kapa 52 HRC).

- Tlhahlobo ea Metallographic: E hlahloba karolo e tšekaletseng tlas'a microscope ho hlahloba botebo ba nyeoe ka mahlo.

- Mokhoa:

- Seha karolo e tshekaletseng ya kgokelo ya ketane.

- Phatsimisa le ho fata sampole ho senola sebopeho sa microstructure.

- Lekanya botebo ba lera le thatafaditsweng.

Mokgwa wa ho Lekola ho ba Thata

Mona ke mokhoa oa tšebetso oa mohato ka mohato bakeng sa teko ea ho thatafala ha liketane tse nang le carburized:

1. Tokisetso ea Sampole:

- Khetha sehokelo sa ketane se emelang ho tsoa sehlopheng.

- Hloekisa bokaholimo ho tlosa litšila kapa sekala.

- Bakeng sa teko ea bothata ba mantlha le boemo ba bothata, seha karolo e tšekaletseng ea sehokelo.

2. Teko ea ho Tiea ha Bokaholimo:

- Sebelisa sesebelisoa sa ho lekanya bothata ba Rockwell (HRC scale) ho lekanya bothata ba bokaholimo.

- Nka lipalo tse ngata libakeng tse fapaneng sehokelong ho netefatsa hore lia tšoana.

3. Teko ea ho Tiea ha Motheo:

- Sebelisa sesebelisoa sa ho lekanya bothata ba Rockwell (sekala sa HRC) kapa sesebelisoa sa ho lekanya bothata ba Brinell (sekala sa HBW) ho lekanya bothata ba mantlha.

- Leka bohareng ba kgokelo e arotsoeng ka dikarolo tse tshekaletseng.

4. Teko ea Boemo ba ho Tiea:

- Sebelisa Vickers kapa microhardness tester ho lekanya boima ka linako tse tloaelehileng ho tloha holim'a metsi ho ea bohareng ba 'mele.

- Rala boleng ba thata ho fumana botebo ba nyeoe bo sebetsang.

5. Litokomane le Tlhahlobo:

- Ngola boleng bohle ba thatafalo le litekanyo tsa botebo ba khetla.

- Bapisa liphetho le litlhoko tse boletsoeng (mohlala, bothata ba bokaholimo ba 58–62 HRC, bothata ba mantlha ba 30–40 HRC, le botebo ba khetla ea 0.5–2.0 mm).

- Hlalosa ho kheloha hofe kapa hofe 'me u nke mehato ea ho lokisa haeba ho hlokahala.

Liphephetso le Litharollo tse Tloaelehileng

1. Ho se Tsitse ha Bothata:

- Sesosa: Ho se leka-lekane ha ho chesoa ha tšepe kapa ho tima.

- Tharollo: Netefatsa mocheso o ts'oanang le bokgoni ba khabone nakong ya ho kenya khabone ka hara carbon, le ho sisinyeha hantle nakong ya ho tima.

2. Bothata bo Tlase ba Bokaholimo:

- Sesosa: Khabone e sa lekaneng kapa ho tima ho sa lokelang.

- Tharollo: Netefatsa bokgoni ba khabone nakong ya ho kenya khabone ka hara carburing mme o netefatse diparamente tse nepahetseng tsa ho tima (mohlala, mocheso wa oli le sekgahla sa ho phodisa).

3. Botebo bo Feteletseng ba Nyeoe:

- Sesosa: Nako e telele ea ho kenya carbon dioxide kapa mocheso o phahameng oa ho kenya carbon dioxide dioxide.

- Tharollo: Ntlafatsa nako le mocheso oa carburizing ho latela botebo ba nyeoe bo lakatsehang.

4. Ho sotha Nakong ea ho Tima:

- Sesosa: Ho phodisa ka potlako kapa ho sa leka-lekaneng.

- Tharollo: Sebelisa mekhoa e laoloang ea ho tima (mohlala, ho tima oli ka ho sisinyeha) 'me u nahane ka mekhoa ea ho imolla khatello ea maikutlo.

Maemo le Litšupiso

- ISO 6508: Teko ea ho thatafala ha Rockwell.

- ISO 6507: Teko ea ho thatafala ha Vickers.

- ISO 6506: Teko ea ho thatafala ha Brinell.

- ASTM E18: Mekhoa e tloaelehileng ea liteko bakeng sa ho thatafala ha Rockwell.

- ASTM E384: Mokhoa o tloaelehileng oa teko bakeng sa ho thatafala ha microindentation.

Litlhahiso tsa ho Qetela

1. Tekanyo e Tloaelehileng:

- Lekanya disebediswa tsa teko ya ho thatafala kgafetsa o sebedisa diboloko tsa ditshupiso tse netefaditsweng ho netefatsa ho nepahala.

2. Koetliso:

- Netefatsa hore basebetsi ba koetliselitsoe mekhoa e nepahetseng ea ho hlahloba ho tiea le tšebeliso ea lisebelisoa.

3. Taolo ea Boleng:

- Kenya tshebetsong tshebetso e matla ya taolo ya boleng, ho kenyeletswa le teko ya kamehla ya ho thatafala le ditokomane.

4. Tšebelisano-'moho le Bafepedi:

- Sebetsa haufi-ufi le bafani ba thepa le libaka tsa kalafo ea mocheso ho netefatsa boleng bo tsitsitseng.

Nako ea poso: Hlakola-04-2025

Lisebelisoa le Bothata ba Sekepe sa Slag Scraper (Ketane ea Khokahano e Potolohileng)

17CrNiMo6 (1.6587)

23MnNiMoCr54 (1.7131)

Liparamente tsa Bohlokoa bakeng sa Carburizing

Melemo ea ho kenya Carburizing bakeng sa 17CrNiMo6 le 23MnNiMoCr54

Mehopolo ea Kamora Kalafo

Bohlokoa ba Teko ea ho Tiea

Mekhoa ea Teko ea ho Tiea ha Ketane ea Lihokelo tse Potolohileng

Mokhoa oa Teko ea ho Tiea ha Liketane tsa Carburised

Litekanyetso tse Khothaletsoang tsa ho Tiea bakeng sa Chain ea Conveyor ea Slag Scraper

Taolo ea Boleng le Maemo

Litlhahiso tse ling tsa Teko ea ho Tiea ha Chain ea Round Link

Mokgwa wa ho Lekola ho ba Thata

Liphephetso le Litharollo tse Tloaelehileng

Maemo le Litšupiso

Litlhahiso tsa ho Qetela

Siea Molaetsa oa Hao: