Txiav hniav yog hais txog ib tug nyias hniav ua los ntawm abrasive thiab binder resin rau kev txiav cov hlau dog dig, hlau, thiab tsis yog xim hlau cov ntaub ntawv. Nws tsuas yog siv khob fiber ntau thiab resin raws li kev txhawb nqa cov ntaub ntawv uas ua tau zoo. Nws muaj cov yam ntxwv ntawm lub zog siab tensile lub zog, cuam tshuam kuj, thiab nws yog khoov. Yog li ntawd, nws tau siv dav hauv kev tsim khoom thiab txiav cov hlau loj, hlau stainless, hlau, thiab tsis yog xim hlau cov ntaub ntawv.
Raws li cov ntaub ntawv, txiav cov hniav sib cais yog tsuas yog muab faib ua cov fiber ntau dua cov khaub ncaws thiab pob zeb diamond txiav tuaj.
Ntawm lawv, lub qub qub resin ua binder, sib xyaw ua cov khoom siv nyuaj xws li cov hlau nplaum alloy thiab stainless hlau. Cov kev ua tau zoo heev, thiab kev ruaj khov ntawm kev txiav cov raug yog lav, uas tuaj yeem txhim kho kev txiav kev txuag thiab txuag cov nqi ntau lawm. Nws cov kev txiav yog qhuav thiab ntub.
Thiab pob zeb diamond txiav cov hniav yog tsuas yog siv rau kev txiav nyuaj thiab cov hlua khi, cov pob zeb tshiab, thiab lwm yam: cov matrix thiab lub taub hau cutter. Lub matrix yog qhov kev txhawb nqa tseem ceeb ntawm kev sib khi lub taub hau cutter lub taub hau, thiab lub taub hau cutter yog siv rau kev txiav vim tias lub taub hau cutter muaj pob zeb diamond. Raws li qhov nyuaj tshaj plaws ntawm tam sim no, pob zeb diamond tuaj yeem txiav cov khoom tiav. Tus hniav yuav hnav tawm thaum siv.