Cov saw hlau muaj kev ua tau zoo heev hauv qhov chaw kub siab.

Cov saw hlau muaj kev ua tau zoo heev hauv qhov chaw kub siab.

Rau cov neeg yuav khoom lag luam thoob ntiaj teb, kev ntseeg tau ntawm kev xa khoom siv hauv qhov chaw kub siab ncaj qha txiav txim siab qhov ua tau zoo ntawm kev tsim khoom thiab cov nqi ua haujlwm.cov saw hlaufeem ntau yuav muaj teeb meem xws li cov khoom siv mos, kev ua tsis tiav ntawm lubrication, thiab kev hloov pauv ntawm cov qauv hauv qhov kub siab. Txawm li cas los xij, cov saw hlau uas tsim tshwj xeeb rau cov chaw kub siab, los ntawm kev tsim kho tshiab ntawm cov khoom siv, kev ua kom zoo dua qub, thiab kev txhim kho cov txheej txheem, tuaj yeem kov yeej cov kev txwv ib puag ncig no thiab dhau los ua cov khoom siv sib kis tseem ceeb hauv kev lag luam kub siab xws li metallurgy, kev tsim khoom tsheb, thiab kev ua zaub mov. Tsab xov xwm no yuav tshuaj xyuas qhov tseem ceeb ntawm cov saw hlau kub siab los ntawm plaub qhov kev xav: cov ntsiab cai kev siv tshuab, cov txiaj ntsig ntawm kev ua tau zoo, cov xwm txheej siv, thiab cov lus pom zoo yuav khoom, muab cov ntaub ntawv tshaj lij rau kev txiav txim siab yuav khoom.

1. Cov Teeb Meem Tseem Ceeb ntawm Qhov Kub thiab Txias rau Cov Hlau Roller Ib Txwm Muaj

Hauv kev tsim khoom lag luam, qhov kub siab (feem ntau siab dua 150 ° C, thiab hauv cov xwm txheej hnyav txog li 400 ° C) tuaj yeem ua rau kev ua haujlwm kis tau ntawm cov saw hlau ib txwm muaj ntawm cov khoom siv, lubrication, thiab cov qauv, ua rau lub sijhawm tsis ua haujlwm ntau zaus thiab cov nqi kho ntxiv.

Kev puas tsuaj ntawm cov khoom siv: Cov hlau carbon lossis cov hlau tsis tshua muaj hlau sib xyaw ua ke muaj kev sib xyaw ua ke ntawm cov hlau thaum kub siab, ua rau lub zog tensile thiab kev tiv thaiv kev hnav tsawg dua 30% -50%. Qhov no tuaj yeem ua rau cov saw hlau tawg, cov phaj deformation, thiab lwm yam kev puas tsuaj.
Kev Ua Tsis Tau Zoo ntawm Lub Tshuab Lubrication: Cov roj nplua nyeem uas muaj cov minerals ib txwm yuav ua pa thiab ua pa kub dua 120°C, ua rau lawv cov yam ntxwv lubrication poob qis. Qhov no ua rau muaj kev sib txhuam ntau ntxiv ntawm cov rollers, bushings, thiab pins, ua rau cov khoom hnav sai dua thiab ua rau lub neej saw hlau luv dua 50%.

Kev Ruaj Ntseg ntawm Cov Qauv: Qhov kub siab tuaj yeem ua rau muaj qhov sib txawv ntawm cov coefficients thermal expansion ntawm cov khoom sib txuas, ua rau qhov sib txawv ntawm cov txuas lossis ua rau lawv daig, txo qhov tseeb ntawm kev sib kis, thiab txawm tias ua rau muaj teeb meem thib ob xws li kev co thiab suab nrov ntawm cov khoom siv.

II. Plaub Qhov Zoo ntawm Kev Ua Haujlwm Tseem Ceeb ntawm Cov Hlau Kub Siab Tshwj Xeeb

Txhawm rau daws cov teeb meem ntawm qhov chaw kub siab, cov saw hlau tshwj xeeb kub siab tau hloov kho dua tshiab los ntawm kev siv thev naus laus zis, ua rau muaj plaub qhov zoo ntawm kev ua tau zoo uas daws tau cov teeb meem kev ntseeg siab ntawm kev sib kis.

1. Cov Khoom Siv Uas Tiv Tau Kub Siab: Tsim Kom Muaj "Framework" Kev Sib Kis Muaj Zog
Cov khoom tseem ceeb ntawm cov saw hlau kub siab (cov phaj saw hlau, cov koob, thiab cov menyuam) yog tsim los ntawm cov hlau sib xyaw uas tiv taus kub siab, ua kom muaj kev tiv taus cua sov los ntawm qhov chaw.
Cov phaj saw thiab cov pins feem ntau yog ua los ntawm cov hlau nickel-chromium (xws li 304 thiab 316 stainless hlau) lossis cov hlau kub siab (xws li Inconel 600). Cov ntaub ntawv no tswj tau lub zog tensile ruaj khov hauv qab 400 ° C, qhia txog 80% qis dua qhov kev sib txhuam ntawm cov noob ntoo dua li cov hlau carbon ib txwm muaj, thiab tuaj yeem tiv taus cov khoom hnyav dua.
Cov menyuam thiab cov bushings yog ua los ntawm cov hlau bearing kub siab carburized (xws li SUJ2 kub siab hloov kho hlau), ua tiav qhov nyuaj ntawm HRC 60-62. Txawm tias ntawm 300 ° C, kev tiv thaiv kev hnav tseem nyob siab dua 90% ntawm nws lub xeev kub ib txwm, tiv thaiv kev hnav menyuam ua ntej lub sijhawm thiab cov hniav saw hlau dhia.

2. Cov Qauv Uas Tiv Thaiv Kev Hloov Pauv Kub: Xyuas Kom Muaj Kev Xa Mus Los Zoo
Los ntawm kev tsim qauv zoo tshaj plaws, cov teebmeem ntawm kev nthuav dav thermal ntawm qhov kub siab raug tshem tawm, ua kom ntseeg tau tias kev sib kis saw hlau ruaj khov mus sij hawm ntev. Kev Tswj Xyuas Qhov Tseeb: Thaum lub sijhawm tsim khoom, qhov sib txuas clearance yog preset raws li cov khoom siv thermal expansion coefficient (feem ntau 0.1-0.3 hli loj dua li cov saw hlau txheem). Qhov no tiv thaiv kev lo los ntawm kev nthuav dav ntawm cov khoom ntawm qhov kub siab thiab tiv thaiv kev sib kis wobble los ntawm kev sib kis ntau dhau.
Tsim Cov Phaj Saw Thickened: Cov phaj saw yog 15% -20% tuab dua li cov saw hlau txheem, uas tsis yog tsuas yog ua rau lub zog tensile nce ntxiv xwb tab sis kuj tseem ua rau muaj kev ntxhov siab ntawm qhov kub siab, txo qhov kev pheej hmoo ntawm cov phaj saw hlau khoov thiab deformation, yog li ua rau lub neej saw hlau ntev dua 2-3 zaug.

3. Kev Siv Lubrication Uas Kub Thiab Ntev: Txo Kev Sib Txhuam
Cov thev naus laus zis tshwj xeeb uas kub thiab txias heev daws qhov teeb meem ntawm cov roj nplua nyeem ib txwm muaj thiab txo qhov kev poob ntawm kev sib txhuam ntawm cov khoom.
Cov Txheej Txheem Roj Khoom Siv: Ib txheej txheej khoom siv ntawm molybdenum disulfide (MoS₂) lossis polytetrafluoroethylene (PTFE) raug txau rau ntawm cov nplaim sab hauv ntawm cov pins thiab bushings. Cov txheej txheem no tswj cov khoom siv roj ruaj khov ntawm qhov kub qis dua 500 ° C, tsis muaj evaporation lossis carbonization, thiab muab lub neej ua haujlwm 5-8 npaug ntawm cov roj nplua nyeem txheem. Kev Sau Roj Kub Siab: Cov roj kub siab ua los ntawm cov khoom siv (xws li roj polyurea) yog siv rau hauv qee qhov kev siv. Nws qhov chaw poob tuaj yeem ncav cuag ntau dua 250 ° C, tsim cov roj zaj duab xis txuas ntxiv ntawm lub roller thiab bushing, txo cov hlau-rau-hlau sib cuag thiab txo qhov hnav los ntawm 30% -40%.

4. Kev Tiv Thaiv Kev Xeb thiab Kev Oxidation: Kev Hloov Kho Rau Cov Xwm Txheej Ua Haujlwm Nyuaj
Cov chaw kub siab feem ntau nrog los ntawm kev oxidation thiab corrosion (xws li cov pa acidic hauv kev lag luam metallurgical thiab cov pa hauv kev ua zaub mov). Cov saw hlau kub siab siv cov thev naus laus zis kho qhov chaw kom txhim kho lawv cov huab cua tiv taus.

Kev Kho Mob Nto: Cov khoom siv hlau tsis xeb raug kho mob passivation, tsim cov zaj duab xis chromium oxide passivation uas tuab 5-10μm uas tiv taus kev tawm tsam los ntawm cov pa oxygen thiab cov pa acidic ntawm qhov kub siab, ua rau muaj kev tiv thaiv corrosion ntau dua 60% piv rau cov hlau tsis xeb uas tsis kho.

Kev Siv Galvanizing/Nickel Plating: Rau cov chaw kub thiab txias uas muaj av noo ntau (xws li cov khoom siv tua kab mob hauv chav ua pa), cov phaj saw hlau yog galvanized kub lossis nickel-plated kom tiv thaiv xeb los ntawm kev sib xyaw ua ke ntawm cov av noo thiab qhov kub thiab txias, kom ntseeg tau tias cov saw hlau ua haujlwm zoo hauv cov chaw kub thiab noo no.

III. Cov Xwm Txheej Siv Tau Thiab Qhov Tseem Ceeb Ntawm Cov Hlau Uas Kub Heev

Cov txiaj ntsig zoo ntawm cov saw hlau kub siab tau ua pov thawj hauv ntau qhov chaw lag luam. Peb muab cov kev daws teeb meem kis tau tus mob rau cov xwm txheej tsim khoom kub siab hauv ntau yam lag luam, pab cov neeg yuav khoom txo cov nqi kho thiab kev pheej hmoo ntawm lub sijhawm tsis ua haujlwm.

Cov Kev Lag Luam Daim Ntawv Thov Cov Xwm Txheej Kub Siab Ib Txwm Muaj Cov Kev Xav Tau Tseem Ceeb Tus Nqi ntawm Cov Saw Hlau Kub Siab Uas Tau Qhia
Kev Lag Luam Hlau Cov Tshuab Casting Txuas Ntxiv Mus, Cov Tshuab Dov Kub (Kub 200-350 ° C) Tiv taus cov khoom hnyav (50-200 kN) thiab tiv taus kev oxidation kub siab. Cov phaj saw hlau Inconel alloy ua tiav lub zog tensile ntawm 2000 MPa, tshem tawm qhov kev pheej hmoo ntawm kev tawg saw thiab muab lub neej ua haujlwm ntawm 18-24 lub hlis (piv rau 6-8 lub hlis rau cov saw hlau ib txwm muaj).
Cov Cub Hluav Taws Xob Rau Kev Tsim Tsheb, Cov Kab Qhuav Xim (Kub 150-250 ° C) Kev Tsav Tsheb Uas Muaj Kev Ntsuas Siab, Suab Nrov Qis Kev tsim qauv meej + txheej roj nplua nyeem khov kho ua tiav qhov yuam kev kis ntawm ≤0.5 hli thiab txo suab nrov los ntawm 15 dB, ua tau raws li qhov xav tau siab ntawm kev tsim tsheb.
Cov Khoom Siv Ua Zaub Mov Ci, Cov Kab Ua Kom Tsis Muaj Kab Mob (Kub 120-180°C, Kub thiab noo noo) Huv, Tiv Thaiv Xeb 316L Stainless Steel nrog kev kho passivation ua raws li FDA cov qauv qib zaub mov, tsis muaj xeb, thiab siv tau ncaj qha rau cov khoom xyaw zaub mov, nrog rau lub sijhawm txij nkawm ntev. 12 lub hlis
Kev Lag Luam Zog: Biomass Boiler Drive Systems, Photovoltaic Silicon Wafer Sintering Furnaces (300-400°C). Kev Ua Haujlwm Ntev Ntev, Kev Txij Nkawm Tsawg: Cov Hlau Sib Xyaws Kub Siab + Polyurea Grease: Tus nqi ua haujlwm tsis tu ncua tsawg dua 0.5% txo kev txij nkawm txhua xyoo los ntawm plaub zaug mus rau ib zaug, txuag tau 60% ntawm cov nqi txij nkawm.

IV. Cov Kev Xav Tseem Ceeb rau Kev Xaiv Cov Saw Hlau Kub Siab

Thaum xaiv cov saw hlau uas kub thiab txias, xav txog cov lus qhia txog kev siv, kev sib haum xeeb ntawm daim ntawv thov, thiab cov peev xwm ntawm cov neeg muag khoom kom ntseeg tau tias cov khoom lag luam pheej yig rau cov neeg siv khoom tom qab.

Txheeb xyuas cov ntaub ntawv pov thawj khoom siv thiab cov txheej txheem: Yuav tsum tau cov neeg muag khoom muab cov ntawv qhia txog cov khoom siv (piv txwv li, daim ntawv pov thawj khoom siv rau cov hlau tsis xeb, cov ntawv qhia txog kev sim khoom siv rau cov hlau sib xyaw kub siab), nrog rau cov ntawv pov thawj txheej txheem kho saum npoo (piv txwv li, cov ntawv qhia txog kev sim tshuaj tsuag ntsev rau kev kho passivation, cov ntawv qhia txog kev ua haujlwm kub siab rau cov txheej txheem lubricating) kom tsis txhob muaj kev pheej hmoo ntawm "cov saw hlau ib txwm raug xa mus ua cov saw hlau kub siab."

Sib phim Cov Kev Cai Ua Haujlwm: Paub meej tias qhov kub thiab txias ntawm cov saw hlau, lub zog tensile, qhov thauj khoom uas tso cai, thiab lwm yam kev cai raws li kev siv tshwj xeeb ntawm cov neeg siv khoom. Piv txwv li, kev lag luam hlau ua qhov tseem ceeb rau cov saw hlau hnyav uas muaj qhov kub thiab txias nrog lub zog tensile ≥1800 MPa, thaum kev lag luam zaub mov xav tau cov saw hlau uas tau ntawv pov thawj los ntawm FDA.

Tshuaj xyuas cov peev xwm ntawm cov neeg muab khoom: Muab qhov tseem ceeb rau cov neeg muab khoom uas muaj peev xwm hloov kho tau uas tuaj yeem hloov kho cov ntaub ntawv thiab cov qauv kom ua tau raws li cov xwm txheej kub siab (xws li kub heev tshaj 400 ° C lossis qhov chaw kub siab corrosive). Tsis tas li ntawd, muab qhov tseem ceeb rau kev pabcuam tom qab muag, xws li kev muab cov lus qhia txog kev teeb tsa, kev siv roj thiab kev saib xyuas, thiab kev xa khoom sai sai kom txo qis lub sijhawm tsis ua haujlwm rau cov neeg siv khoom.