Cemented carbide thiab high-speed steel yog cov khoom qis qis ntawm cov hlau refractory tungsten (W), ob qho tib si muaj cov khoom zoo thermodynamic, thiab tuaj yeem siv los ua cov cuab yeej txiav, cov pwm ua haujlwm txias thiab cov pwm ua haujlwm kub, thiab lwm yam. qhov sib txawv ntawm cov khoom sib txawv ntawm ob, lawv kuj txawv ntawm cov khoom siv kho tshuab thiab siv.
1. Lub tswv yim
Cemented carbide yog cov khoom siv hlau uas tsim los ntawm cov hlau refractory carbide xws li tungsten carbide (WC) hmoov thiab cov hlau sib txuas xws li cobalt hmoov. Lub npe lus Askiv yog Tungsten Carbide / Cemented Carbide. Nws high-temperature carbide cov ntsiab lus yog siab dua li ntawm high-speed steel qhov siab ntawm.
High-speed steel yog high-carbon high-alloy steel uas muaj ntau ntawm tungsten, molybdenum, chromium, cobalt, vanadium thiab lwm yam, feem ntau yog tsim los ntawm cov hlau carbides (xws li tungsten carbide, molybdenum carbide los yog vanadium carbide) thiab steel matrix, nrog cov ntsiab lus carbon ntawm 0.7% -1.65%, tag nrho cov ntsiab lus alloying yog 10% -25%, thiab lus Askiv lub npe yog High Speed Steels (HSS).
2. Kev ua tau zoo
Ob leeg muaj cov yam ntxwv ntawm siab hardness, siab zog, zoo toughness, liab hardness, hnav tsis kam, kub tsis kam thiab cov txheej txheem kev ua tau zoo, thiab cov yam ntxwv no yuav txawv vim cov qib sib txawv. Feem ntau hais lus, hardness, liab hardness, hnav tsis kam thiab kub tsis kam ntawm cemented carbide zoo dua li cov hlau kub ceev.
3. Kev siv tshuab ntau lawm
Cov txheej txheem ntawm cov cemented carbide feem ntau suav nrog cov txheej txheem hmoov metallurgy, kev txhaj tshuaj molding tshuab lossis 3D txheej txheem luam ntawv.
Cov txheej txheem ntau lawm ntawm high-speed steel muaj xws li tsoos casting tshuab, electroslag remelting technology, hmoov metallurgy technology thiab txhaj tshuaj molding tshuab.
4. Siv
Txawm hais tias ob qho tib si tuaj yeem ua cov riam, cov pwm ua haujlwm kub thiab cov pwm ua haujlwm txias, lawv qhov kev ua tau zoo sib txawv. Kev txiav ceev ntawm cov cuab yeej carbide zoo tib yam yog 4-7 lub sij hawm siab dua li cov cuab yeej siv hluav taws xob zoo tib yam, thiab lub neej kev pab cuam yog 5-80 npaug ntev dua. Nyob rau hauv cov nqe lus ntawm pwm, lub neej kev pab cuam ntawm cemented carbide tuag yog 20 mus rau 150 lub sij hawm siab tshaj ntawm high-ceev steel tuag. Piv txwv li, kev pab cuam lub neej ntawm kub taub hau extrusion tuag ua los ntawm 3Cr2W8V steel yog 5,000 zaug. Kev siv lub taub hau kub extrusion tuag ua los ntawm YG20 cemented carbide Lub neej kev pabcuam yog 150,000 zaug.
Post lub sij hawm: Feb-10-2023