HomelinessTools le thepa

Phahameng lebelo tšepe. thepa ea eona le tlhophiso

Matsatsing ana, phahameng-lebelo tšepe tsoela pele ho ba le lintho tse bonahalang ea isang ho ho hlahisa nozzles tse fapa-fapaneng tsa tšepe le ka ho itšeha sesebelisoa. lits'epe tse kopantsoeng joalo li sebelisoa hangata ka tlhahisong ea lisakha mochine, e-shoa likoetlisong, 'me e-shoa likoetlisong ho sebetsa lihlooho tsa. Ho sa tsotellehe se hlahang hona joale e leng tse ngata tse mefuta eohle ea carbide tiisa le thepa ceramic le likarolo tse ngata ho fana ka le ho feta sebetsa tshebetso, phahameng-lebelo sesebelisoa steels tieo tšoare maemong a bona.

Tshebediso atile ea lits'epe tse kopantsoeng joalo bakeng sa tlhahiso ea lisebelisoa tse rarahaneng-seha ka lebaka la ho kopana le tseo ka tsona e phahameng matla (ho fihlela ho 68 HRC) le mogote botsitso (ha ba lahleheloa ke thepa ea bona sebetsa esita le ka mocheso oa 650 ° C) le boleng bo phahameng e tiileng e qamathelang, hole feteng hore ya bakeng sa thepa carbide le likarolo tse ngata . Ho feta moo, se phahameng-lebelo tšepe e na le ho ikamahanya le maemo ka ho fetisisa phahameng, e leng se bolelang workability molemo le ho itšeha thulaganyou e khatello.

Seo thepa tla ba e joalo e motsoako e itšetlehile ka likarolo alloying. Ka tloaelo ho, e phahameng-lebelo tšepe ke tsamaiso multicomponent nang chromium molybdenum, tungsten, cobalt, le vanadium. Ho ba teng ha metsoako e fapa-fapaneng, hammoho le dikahare tsa bona ho latela karolo o ile a bontša ka ho bo bitsa ena. Lengolo P mona bolela hore tšepe ke phahameng lebelo, palo morago ga moo e bontsha tungsten dikahare ka Peresente. mangolo ka ho eketsehileng bolela ho ba teng ha likarolo tse ling alloying, le linomoro tse tlang ka mor'a litlhaku - Peresente bona boima karoloana ka motsoako le. Kahoo, lengolo M bontša ho ba teng ha molybdenum tsamaisong ea, F - vanadium K - cobalt, A - naetrojene.

Ho ea ka diteng tsa tšepe dopants lebelo ka classified ka tungsten, molybdenum, tungsten le molybdenum. A sehlopha se khethehileng abelwa tšepe alloyed le cobalt. lits'epe tse kopantsoeng joalo a atisa ho sebelisoa ka tlhahisong ea lisebelisoa bakeng sa machining likarolo thata tsa superalloys. Phahameng lebelo tšepe, motsoako vanadium e haholo-holo ne a rerile bakeng sa tlhahiso ea lisebelisoa ho thoeng "qete" se qetile - broaches, reamers le tse ling.

The atileng ka ho fetisisa 'me mohlomong e cha e moholo ea phahameng-lebelo tšepe P18 e sebediswa bakeng sa tlhahisong ea bopehileng li bile li rarahane khoele lisebelisoa. Bolela molao-motheo foromo ya boleng bo phahameng e lokisa tsa tšepe tse entsoeng hangata ba P9 motsoako cha. From ho etsa Mills, cutters le tse ling.

Ka ho sebetsa ka mocheso puso lebelo steels li arotsoe ka mekhahlelo e meraro: lits'epe tse kopantsoeng le tloaelehileng, e phahameng, 'me e phahameng mocheso ho hanyetsa. Ho sehlopha sa pele ho matleng tungsten (R18, R9) le tungsten-molybdenum (R6M5). matshwao ana a sebelisitsoeng ka eona ka ho e lokisa ea tšepe batho bao e seng ferrous, steels mehaho le lahlela tšepe.

Bakeng sa thepa ea sehlopha ea bobeli e tšoauoa ka sa dikahare phahameng haholo ea cobalt, vanadium le carbon. The cha ratoang haholo sehlopheng sa - R6M5F3. Vanadium tšepe tšoauoa ka phahameng qhoaele hanyetsa. drawback bona ka lintho tse tebileng feela - mpe sanding, hobane thatafala tsa carbides vanadium hase tlaasana ho pontshi tšoanang elektrokorundovogo sila lebili.

Qetellong, sehlopha sa boraro sa tšepe tšoauoa ka Peresente tlaase ya dikahare k'habone, ea etsang hore ba a loketse bakeng sa ho phekoloa mocheso manganga, celik le thaethaniamo lits'epe tse kopantsoeng. Tšobotsi e 'ngoe e khethollang ho bona - palo e khōlō ea thepa ea motheo alloying. Ho sehlopha sena kenyeletsa Brands kang 3V20K20H4F, V11M7K23 et al a.

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