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Xov Xwm

Cov yam ntxwv thiab daim ntawv thov kev siv lub tshuab ua cov hlau nyuaj rau qhov tseeb

Cemented carbide yog cov khoom siv los ntawm cov hmoov hlau ua cov txheej txheem. Nws yog kev sib xyaw ntawm refractory tungsten carbide (WC), titanium carbide (TiC) compound hmoov thiab binder hlau cobalt (Co). Ua los ntawm kev siab tsim thiab sintering. Nws yog tus cwj pwm los ntawm lub siab hardness (69 ~ 81HRC) thiab kub hardness (txog 900 ~ 1000 ℃), zoo hnav tsis kam thiab siab compressive zog, nws tuaj yeem ua cov txheej txheem high-speed steel cov cuab yeej tsis tuaj yeem ua tiav cov khoom tuaj yeem nce qhov txiav ceev ntawm precision qhov chaw ua thiab ntev lub cuab tam lub neej. Vim tias lub siab hardness thiab brittleness ntawm cemented carbide, lawv feem ntau ua rau cov hniav ntawm qee cov kev qhia tshwj xeeb, uas tau muab tso rau thiab txuas ntawm tus hniav.

Cov lus siv uas nquag siv yog tungsten cobalt thiab tungsten titanium cobalt:

1. Tungsten cobalt tawv alloy:

Cov qib ntawm tungsten-cobalt cemented carbide yog qhia los ntawm cov feem pua ​​ntawm" HG" thiab" cobalt" hauv Suav pinyin" YG" ntxiv rau cobalt. Piv txwv li, YG6 txhais tau tias w (Co)=6% cemented carbide, tas cov muaj pes tsawg leeg Rau WC. Cov ntsiab lus siab dua ntawm kev ua haujlwm ntawm cobalt, lub siab dua lub zog ntawm cemented carbide, lub tawv tawv kom zoo dua, thiab lub zog qis dua, qhov cuam tshuam tsis zoo dua hnav. Cemented carbide cov cuab yeej nrog cov ntsiab lus siab cobalt yog siv rau kev siv lub tshuab ntxhib nrog kev cuam tshuam loj thiab kev co, thiab cov cuab yeej carbide cemented nrog cov ntsiab lus cobalt tsawg yog haum rau qhov ua kom raug qhov chaw.

2. Tungsten titanium cobalt tawv alloy:

Cov qib ntawm tungsten, titanium, cobalt thiab tungsten carbides yog qhia los ntawm cov feem pua ​​ntawm" nyuaj" thiab" titanium" hauv pinyin" YT" ntxiv rau TiC. Piv txwv li, YT14 txhais tau tias w (TiC)=14% cemented carbide, thiab lwm yam tshuaj lom neeg cov ntsiab lus tseem ceeb yog WC thiab Co. Cov ntsiab lus TiC ntau dua, qhov nyuaj dua ntawm cov cemented carbide, zoo dua cov tshuaj tiv thaiv tshav kub, thiab qis dua lub zog, zuj zus cov tawv tawv. Yog li ntawd, cov cuab yeej carbide cemented nrog ntau dua TiC yog qhov tsim nyog rau machining precision qhov chaw nrog kev ua haujlwm ruaj khov, thiab cov cuab yeej carbide cemented tsawg dua TiC yog qhov tsim nyog rau kev siv lub tshuab.

Cov tungsten-cobalt cemented carbide muaj qhov zoo dua lub zog thiab cov tawv, thiab cov tawv kuj tseem zoo dua. Cov cuab yeej ua los ntawm cov hom cemented carbide no haum rau kev ua cov hlau cam thiab cov hlau tsis huv; qhov tungsten-titanium-cobalt cemented carbide tau zoo dua hnav tsis kam Cov kev tiv taus thiab kub ua haujlwm ntawm hom ntawm cov khoom siv cemented carbide no haum rau kev ua cov hlau.

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