Ruitai Chav Ua Noj Riam: Koj qhov Premier Qhov Chaw rau Kev Cai Chav Ua Noj Riam Teeb los ntawm Tuam Tshoj
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Ruitai Chav Ua Noj Riam: Koj qhov Premier Qhov Chaw rau Kev Cai Chav Ua Noj Riam Teeb los ntawm Tuam Tshoj
Nyob rau hauv lub sij hawm ntawm tus txiv neej primitive, tib neeg tseem tsis tau domesticated tsiaj raws li lawv tus kheej cov zaub mov, yog li cov neeg cov khoom noj yog feem ntau yos hav zoov kev ua si thiab khaws cov txiv hmab txiv ntoo ntawm cov nroj tsuag. Tab sis vim kev yos hav zoov yog qhov txaus ntshai heev, tib neeg tau tsim ntau yam cuab yeej los txhim kho lawv txoj kev yos hav zoov zoo. Cov pob txha riam yog ib qho ntawm lawv.
Cov pob txha riam yog riam ua los ntawm cov pob txha tsiaj.
Niaj hnub no, tib neeg tsis tas mus yos hav zoov hauv roob txhua hnub kom muaj zaub mov kom puv plab, tab sis cov pob txha riam tau txais los ntawm tib neeg los ntawm lwm daim ntawv, uas yog riam. Cov riam niaj hnub no tsis yog riam uas peb siv los txiav zaub thiab txiv hmab txiv ntoo xwb.
riam hlau
Cov khoom siv raw ntawm cov riam zoo li no yog cov hlau, thiab cov riam niaj hnub no feem ntau yog ua los ntawm stainless hlau. Nws qhov kub-resistant kub yog nyob nruab nrab ntawm ob puas degrees Celsius thiab peb puas degrees Celsius. Hauv kev tsim cov txheej txheem, emulsions feem ntau yog siv los txias cov cuab yeej steel.
High Speed Steel Riam
Txawm hais tias lo lus "kev kub ceev" tsuas yog ntxiv, nws txawv kiag li ntawm cov riam steel. High-speed steel riam yog riam ua los ntawm cov qib high-qib alloy steel, qhov no high-qib alloy steel feem ntau yog tsim los ntawm ntau yam tshuaj xws li chromium, nickel, tungsten, molybdenum, thiab vanadium. Nws tiv taus cua sov yog txog li ob mus rau peb npaug ntawm cov riam tsoos hlau.
High-speed alloy steel riam feem ntau yog siv dav hauv kev lag luam, kev kub ceev steel riam feem ntau tuaj yeem pom nyob rau hauv cov khoom lag luam nrog ntau cov duab geometric thiab cov txheej txheem uas yuav tsum tau txiav siab.
Carbide Txiav Tool
Cov riam no tuaj yeem hais tias yog rab riam txiav riam. Nws qhov kub-resistant kub tuaj yeem ncav cuag li 1,000 degrees Celsius, nws hardness thiab toughness yog ntau tshaj li ib qib siab tshaj li cov high-speed steel riam, thiab nws yog nyob deb ntau hnav-resistant tshaj high-ceev riam riam.
Nws cov ntaub ntawv raw yog tungsten carbide (WC), titanium carbide (TiC), tantalum carbide (TaC) thiab 5-10% cobalt.
riam ceramic
Qhov kub thiab txias ntawm cov cuab yeej no, uas yog, hnav tsis kam, yog ib kauj ruam siab dua li cov cuab yeej cemented carbide. Cov khoom tseem ceeb yog alumina thiab carbide thiab qee cov hlau raug rho tawm haujlwm nyob rau hauv ib puag ncig kub kub.
Txij li thaum nws muaj qhov kub thiab txias tsis kam thiab hnav tsis kam, qhuav txiav yog tsuas yog siv hauv kev lag luam txiav.
pob zeb diamond cuab yeej
Raws li lub npe qhia, cov cuab yeej no tshwj xeeb yog siv rau kev txiav, yog tias cov cuab yeej pob zeb diamond-coated yog siv los ua cov iav fiber ntau thiab cov pa roj carbon fiber ntau, qhov kev pab cuam lub neej yog xya caum npaug ntawm cov cuab yeej suab zoo. Qhov tsis zoo ntawm cov cuab yeej pob zeb diamond yog tias lub pob zeb diamond txheej yog qhov yooj yim kom poob, thiab nws tsis tuaj yeem kwv yees tau zoo.
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