Cov nyhuv ntawm pob zeb diamond nto txheej kho

1. Lub tswv yim ntawm pob zeb diamond nto txheej

Pob zeb diamond nto txheej, hais txog kev siv cov cuab yeej kho mob saum npoo ntawm pob zeb diamond nto coated nrog ib txheej ntawm lwm cov ntaub ntawv zaj duab xis. Raws li cov khoom siv txheej, feem ntau yog hlau (xws li alloy), xws li tooj liab, npib tsib xee, titanium, molybdenum, tooj liab tin titanium alloy, npib tsib xee cobalt alloy, npib tsib xee cobalt phosphorus alloy, thiab lwm yam; txheej txheej kuj tseem muaj qee cov ntaub ntawv tsis yog xim hlau, xws li ceramics, titanium carbide, titanium ammonia thiab lwm yam khoom siv refractory nyuaj. Thaum cov khoom siv txheej yog hlau, nws tuaj yeem hu ua pob zeb diamond nto metalation.

Lub hom phiaj ntawm txheej txheej yog los muab cov pob zeb diamond hais nrog lub cev tshwj xeeb thiab tshuaj lom neeg, txhawm rau txhim kho lawv cov txiaj ntsig siv. Piv txwv li, kev siv cov pob zeb diamond-coated abrasive manufacturing resin sib tsoo lub log, nws cov kev pab cuam lub neej ntev heev.

2. Kev faib tawm ntawm txheej txheej txheej txheej

Cov txheej txheem kev lag luam saum npoo kev faib tawm pom cov duab hauv qab no, uas tau ua tiav hauv cov txheej txheem nyuaj abrasive nto txheej txheej, nrov dua yog cov tshuaj ntub dej plating (tsis muaj electrolysis plating) thiab plating, qhuav plating (tseem hu ua lub tshuab nqus tsev plating) hauv tshuaj vapor deposition (CVD) thiab lub cev vapor deposition (PVD), nrog rau lub tshuab nqus tsev hmoov metallurgy kua siv hauv kev siv kua.

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3. Plating thickness sawv cev rau txoj kev

Vim hais tias txheej thickness ntawm pob zeb diamond abrasive hais yog ib qho nyuaj rau txiav txim ncaj qha, nws yog feem ntau qhia raws li qhov hnyav nce (%). Muaj ob txoj hauv kev ntawm kev sawv cev qhov hnyav:

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Qhov twg A yog qhov hnyav nce (%); G1 yog qhov sib tsoo hnyav ua ntej plating; G2 yog txheej hnyav; G yog tag nrho qhov hnyav (G = G1 + G2)

4. Cov nyhuv ntawm pob zeb diamond nto txheej ntawm pob zeb diamond cuab yeej kev ua tau zoo

Nyob rau hauv cov cuab yeej pob zeb diamond ua nrog Fe, Cu, Co thiab Ni, cov pob zeb diamond hais tsuas tuaj yeem muab kho rau hauv cov neeg sawv cev sib koom ua ke vim tias tsis muaj tshuaj lom neeg ntawm tus neeg sawv cev saum toj no thiab tsis muaj kev cuam tshuam cuam tshuam. Nyob rau hauv qhov kev txiav txim ntawm kev sib tsoo quab yuam, thaum lub pob zeb diamond sib tsoo particle raug rau qhov siab tshaj plaws, lub log tsheb lub cev hlau yuav plam lub pob zeb diamond hais thiab poob los ntawm nws tus kheej, uas txo cov kev pab cuam lub neej thiab kev ua tau zoo ntawm cov cuab yeej pob zeb diamond, thiab cov nyhuv sib tsoo ntawm pob zeb diamond tsis tuaj yeem ua si tag nrho. Yog li ntawd, lub pob zeb diamond nto muaj cov yam ntxwv metallization, uas tuaj yeem txhim kho kev pabcuam lub neej thiab kev ua haujlwm ntawm cov cuab yeej pob zeb diamond. Nws cov ntsiab lus yog ua kom cov khoom sib txuas xws li Ti lossis nws cov alloy ncaj qha coated rau ntawm pob zeb diamond nto, los ntawm kev kho cua sov thiab cua sov, kom cov pob zeb diamond nto tsim cov txheej txheem tshuaj sib xyaw.
Los ntawm txheej cov pob zeb diamond sib tsoo, cov tshuaj tiv thaiv ntawm txheej thiab pob zeb diamond kom metalize lub pob zeb diamond nto. Ntawm qhov tod tes, lub metallized pob zeb diamond nto thiab hlau lub cev khi tus neeg sawv cev ntawm cov hlau metallurgical ua ke, yog li ntawd, txheej kev kho mob ntawm pob zeb diamond rau txias siab kua sintering thiab kub khoom theem sintering muaj dav siv, yog li log tsheb lub cev alloy rau pob zeb diamond sib tsoo grain consolidation nce, txo cov pob zeb diamond cuab yeej nyob rau hauv kev siv ntawm kev sib tsoo, los txhim kho lub neej kev pab cuam thiab efficiency ntawm pob zeb diamond cuab yeej.

5. Dab tsi yog lub luag haujlwm tseem ceeb ntawm kev kho pob zeb diamond txheej?

1. Txhim kho lub peev xwm inlay ntawm lub fetal lub cev rau inset pob zeb diamond.
Vim yog thermal expansion thiab txias contraction, ntau thermal stress yog generated nyob rau hauv kev sib cuag cheeb tsam ntawm lub pob zeb diamond thiab lub log tsheb, uas yuav ua rau lub pob zeb diamond thiab fetal lub cev hu rau siv nyob rau hauv me me kab, yog li txo lub peev xwm ntawm lub log tsheb lub cev coated nrog pob zeb diamond. Ntawm pob zeb diamond txheej txheej tuaj yeem txhim kho lub cev thiab tshuaj lom neeg ntawm pob zeb diamond thiab lub cev sib cuam tshuam, los ntawm lub zog spectrum tsom xam, paub tseeb tias cov hlau carbide muaj pes tsawg leeg hauv zaj duab xis los ntawm sab hauv mus rau sab nraud yog maj mam hloov mus rau cov hlau ntsiab lus, hu ua MeC-Me zaj duab xis, pob zeb diamond nto thiab zaj duab xis yog cov khoom siv tshuaj lom neeg, tsuas yog kev sib xyaw ua ke no tuaj yeem txhim kho lub peev xwm ntawm pob zeb diamond, lossis txhim kho lub peev xwm ntawm lub log lub cev ntawm pob zeb diamond. Uas yog hais tias, txheej txheej ua raws li tus choj txuas ntawm ob.
2. Txhim kho lub zog ntawm pob zeb diamond.
Vim tias pob zeb diamond siv lead ua feem ntau muaj qhov tsis xws luag, xws li microcracks, kab noj hniav me me, thiab lwm yam, cov khoom siv sab hauv no tau them nyiaj los ntawm kev sau MeC-Me membrane. Plating plays lub luag hauj lwm ntawm reinforcing thiab toughening. Tshuaj plating thiab plating tuaj yeem txhim kho lub zog ntawm cov khoom qis, nruab nrab thiab siab.
3. Ua kom lub zog poob qis.
Cov hlau txheej yog qeeb dua li cov pob zeb diamond abrasive. Kev sib tsoo cua sov yog dhau mus rau tus neeg sawv cev ntawm kev sib cuag nrog cov khoom sib tsoo, kom nws tau kub hnyiab tawm ntawm qhov kub thiab txias tam sim ntawd, txhawm rau tswj nws lub zog tuav ntawm pob zeb diamond abrasive.
4. Kev sib cais thiab kev tiv thaiv zoo.
Thaum lub sij hawm kub sintering thiab sib tsoo ntawm qhov kub thiab txias, txheej txheej txheej cais thiab tiv thaiv lub pob zeb diamond kom tiv thaiv graphitization, oxidation lossis lwm yam tshuaj hloov pauv.
Tsab ntawv no tau muab los ntawm "superhard khoom network"


Post lub sij hawm: Mar-22-2025