Lub coated saw hniav yog tau los ntawm txheej nyias txheej ntawm refractory hlau nrog zoo hnav tsis kam ntawm high-speed steel (HSS) substrate nrog zoo zog thiab toughness los ntawm vapor deposition txoj kev. Raws li lub thermal barrier thiab tshuaj barrier, lub txheej txo cov thermal diffusion thiab tshuaj tiv thaiv ntawm cov saw hniav thiab cov workpiece. Nws muaj qhov tawv tawv tawv, hnav tsis kam, ruaj khov tshuaj, tiv thaiv tshav kub thiab oxidation tsis kam, me me kev sib txhuam coefficient thiab thermal conductivity. Cov yam ntxwv qis qis, lub neej ntawm cov saw hniav tuaj yeem nce ntxiv los ntawm ob peb zaug piv nrog cov tsis pom cov hniav thaum txiav. Yog li ntawd, coated saw hniav tau dhau los ua lub cim ntawm niaj hnub txiav saw hniav.
Tag nrho high-speed steel saw hniav, cov xim yog xim hlau dawb, yog cov saw hniav tsis muaj txheej txheej, txiav cov hlau tsis muaj hlau, xws li tooj dag, txhuas thiab lwm yam.
Nitriding txheej (dub) VAPO nitriding txheej kub kub oxidation kev kho cua sov, cov xim yog tsaus dub, tom qab cov tshuaj Fe3O4 yog raug rau tshwj xeeb tshav kub kev kho mob, ib tug oxide txheej (Fe3O4) yog tsim nyob rau saum npoo, thiab lub thickness ntawm lub oxide txheej yog li 5-10 Micron, nto hardness yog hais txog 800-900HV, kev sib txhuam coefficient: 0.65, hom saw hniav no muaj ib tug zoo deg smoothness, uas yuav pab txhim khu lub self-lubricating muaj peev xwm ntawm cov saw hniav, thiab phenomenon. tias cov saw hniav yog daig los ntawm cov khoom siv tuaj yeem zam tau rau qee yam. Rau kev txiav cov khoom siv dav dav. Vim nws txoj kev ua tiav technology thiab kev ua haujlwm siab, nws yog cov khoom siv dav hauv kev ua lag luam.
Titanium nitride txheej (golden) TIN Tom qab PVD nitrogen titanium kev kho mob, lub thickness ntawm saw hniav txheej yog hais txog 2-4 microns, nws nto hardness yog hais txog 2200-2400HV, kev sib txhuam coefficient: 0.55, txiav kub: 520 ° C, qhov no pom. saw hniav tuaj yeem ua rau lub sijhawm ua haujlwm ntawm cov saw hniav zoo heev. Txhawm rau kom siv tag nrho nws cov yam ntxwv, txiav ceev yuav tsum tau nce ntxiv kom pom nws tus nqi. Lub luag haujlwm tseem ceeb ntawm cov txheej txheej no yog ua kom cov saw hniav tiv taus ntau dua rau kev txiav. Rau kev txiav cov ntaub ntawv dav dav, nws cov kev ua tau zoo heev tuaj yeem ua rau kev txiav ceev thiab txo qhov poob.
Chromium Nitride Txheej (Super Txheej rau luv luv) CrN Cov txheej no tshwj xeeb tshaj yog tiv taus adhesion, corrosion thiab oxidation. Cov txheej tuab ntawm cov saw hniav yog 2-4 microns, qhov tawv tawv: 1800HV, qhov ntsuas kub qis dua 700 ° C, thiab xim yog xim hlau grey. Kev pom zoo heev rau kev txiav tooj liab thiab titanium, txheej txheej txheej tsis muaj kev cuam tshuam rau ib puag ncig. Haum rau kev txiav tooj liab, txhuas thiab lwm yam khoom siv, nrog cov txheej txheej siab thiab qhov tawv tawv, thiab qhov sib txhuam qis tshaj plaws ntawm txhua txheej txheej.
titanium aluminium nitride txheej (xim) TIALN Qhov no yog ib txheej txheej tshiab los tiv thaiv hnav. Cov saw hniav kho nrog ntau txheej PVD txheej tau ua tiav qhov kev sib txhuam qis heev. Nws nto hardness yog hais txog 3000-3300HV. Kev sib txhuam coefficient: 0.35, oxidation kub: 450 ° C, cov hniav zoo li no tuaj yeem ua rau cov txiav nto du heev, thiab cov saw hniav yog hnav-resistant. Nws raug nquahu kom txiav cov ntaub ntawv nrog kev txiav ceev thiab kev pub mis ceev thiab txiav lub zog tensile tshaj 800 N / mm2, xws li Stainless hlau, thiab lwm yam, siv nyob rau hauv tshwj xeeb yog hnyav ua hauj lwm tej yam kev mob.
Aluminium titanium nitride txheej (hu ua super A txheej) ALTIN Qhov no yog cov txheej txheem ntau txheej txheej tiv thaiv hnav, lub thickness ntawm cov txheej no yog 2-4 microns, qhov tawv tawv: 3500HV, kev sib txhuam coefficient: 0.4, txiav kub hauv qab 900 ° C, nws raug nquahu kom siv cov ntaub ntawv nrog kev txiav ceev thiab pub ceev thiab txiav tensile zog tshaj 800 N / mm2 (xws li stainless hlau), thiab siv nws nyob rau hauv tshwj xeeb hnyav ua hauj lwm tej yam kev mob xws li qhuav txiav. Vim lub toughness thiab zoo lub cev stability ntawm txhuas titanium nitride txheej nws tus kheej, cov saw hniav yog ntau hnav-resistant thiab haum rau txiav tag nrho cov ntaub ntawv hlau. Vim nws tsis tshua muaj kev sib txhuam coefficient thiab thermal conductivity tsawg, nws yog tshwj xeeb tshaj yog haum rau qhuav txiav ntawm kev kub ceev thiab kub.
Titanium Carbonitride Txheej (Bronze) TICN Qhov no yog txheej txheej tsim nyog rau kev hnav khaub ncaws hnyav dua. Pom zoo rau kev txiav cov ntaub ntawv nrog lub zog tensile tshaj 800 N / mm2. Lub thickness ntawm cov txheej yog 3 microns, coefficient ntawm kev sib txhuam: 0.45, oxidation kub: 875 ° C, thiab hardness saum npoo yog li 3300-3500HV. Nws tsis yog tsuas yog tsim rau kev txiav steel nrog lub zog siab xws li stainless hlau, tab sis kuj tuaj yeem siv rau kev txiav cov ntaub ntawv softer xws li cam khwb cia hlau, aluminium alloy, tooj dag thiab tooj liab, thiab lwm yam. Vim nws tsis tshua muaj kev sib txhuam coefficient thiab thermal conductivity tsawg, nws yog tshwj xeeb tshaj yog haum rau txiav ntawm kev kub ceev thiab kub qhuav txiav.
