Kev cuam tshuam ntawm kev tsim khoom ntawm GW
Dec 09, 2022
Cov txheej txheem yuav tsum tau ua rau kev sib tsoo log tsim muaj zog, thiab txhua qhov kev tshem tawm thiab kev sib txawv hauv cov txheej txheem tsim khoom yuav muaj kev cuam tshuam tsis zoo rau qhov zoo ntawm cov khoom sib tsoo. Thaum lub tshuab sib tsoo tiav lawm tau kuaj xyuas, nws tau pom tias muaj qhov tshwm sim tawg, lub nplhaib tsis muaj mob, cov qauv yog xoob, cov ntaub ntawv sib txuas tsis sib xws, thiab cov khoom sib tsoo tsis sib xws. Cov ntaub so ntswg xoob, cov ntaub qhwv tsis sib xws, thiab qhov tshwm sim ntawm qhov tsis xws luag hauv lub nplhaib yog txhua yam cuam tshuam nrog kev tsim khoom tsis raug. Muaj ntau yam teeb meem nyob rau hauv cov txheej txheem ntawm compounding, molding, firing los yog curing, tsheb kho, thiab trimming.
Kev tshuaj xyuas ntawm qhov ua rau muaj teeb meem zoo ntawm kev sib tsoo log
Feem ntau, txhawm rau ua haujlwm zoo ntawm cov khoom sib tsoo, koj yuav tsum ua tsib lub ntsiab lus hauv qab no:
1. Formulation technology
Tam sim no, cov txheej txheem super-nyuaj sib tsoo log hauv Suav teb feem ntau yog cov hmoov aldehyde resin sib tsoo log, uas yog raws li 180 degree sintering puag. Cov hlau resin sib tsoo lub log hauv tsev thiab txawv teb chaws feem ntau yog nyob ib puag ncig 400 degree, cov hlau ceramic feem ntau yog li 650 degree, thiab cov hlau sib txuas tus neeg sawv cev yog cov hmoov txhuas. Tag nrho cov saum toj no yog los ua kom lub zog thiab lub neej ntawm kev sib tsoo log. Yog li ntawd, cov qauv ntawm txhua tus neeg tsim khoom yuav tsum tsis txhob nyob twj ywm hauv kev txhim kho yav dhau los. Lub durability, qhuav sib tsoo, sharpness thiab lwm yam teeb meem zoo yuav tsum tsis txhob yuav tsum tau txhim kho los ntawm kev ntxiv tooj liab hmoov los yog graphite hmoov. Qhov no yuav tsis tsim cov txiaj ntsig zoo rau tag nrho cov qauv. Cov mis yog qhov zoo sib tsoo log nrog peb raw khoom.
2. Raw khoom tswj
Kev sib tsoo lub log yog ib txoj hauv kev uas muaj ntau yam ntawm cov khoom tseem ceeb thiab cov khoom pabcuam. Cov ntaub ntawv tseem ceeb yog abrasives thiab bonding agents, thiab cov ntaub ntawv pab muaj xws li muab tub lim thiab cov ntaub ntawv ntxiv.
(1) Abrasive: Abrasive yog cov khoom tseem ceeb rau kev sib tsoo hauv kev sib tsoo. Tam sim no, qhov zoo ntawm cov khoom siv abrasive nyob rau hauv kev ua lag luam yog sib xyaw, thiab kev ua haujlwm tseem ceeb yog raws li hauv qab no: 1 Cov khoom siv ntawm cov abrasive feem ntau tsim nyog, tab sis cov khoom siv lub cev tsis zoo, xws li hardness, lub zog, thiab nws tus kheej. Ntsej muag, crush kuj, thermal stability, hydrophilicity, thiab lwm yam .; 2 Lub particle loj muaj pes tsawg leeg ntawm cov abrasive yog disordered, thiab qhov txawv ntawm tus qauv yog loj, thiab cov xov tooj mesh yog qhov dav.
(2) Bonding tus neeg saib xyuas: Hauv kev sib tsoo lub log, cov khoom abrasive yog sib koom ua ke los ntawm tus neeg sawv cev sib txuas, thiab kev ua haujlwm ntawm tus neeg sawv cev sib txuas ncaj qha cuam tshuam rau kev ua tau zoo thiab kev sib tsoo ntawm lub log. 1 Qhov zoo ntawm cov hmoov aldehyde resin hmoov tsis ruaj khov, thiab cov ntsiab lus ntawm cov phenol dawb hauv cov resin yog siab thiab qis. Lub npe hu ua dawb phenol yog cov phenol tshuav nyob rau hauv cov resin, cov mis molecular yog C6H5OH, lub sij hawm cua sov yog ntev heev los yog lub sib tsoo log yog siv rau lub sij hawm ntev los tawg cov hardened resin, uas cuam tshuam rau lub zog ntawm lub sib tsoo log. ; 2 cov hmoov aldehyde resin hmoov tsis tov nrog urotropine Uniform, lub npe scientific ntawm urotropine yog hexamethylenetetramine ((CH2) 6N4). Raws li ib tug hardener rau cov resin, tus nqi ntawm urotropine ntxiv yog tsis txaus, lub hardening ntawm resin yog tsis tiav, cuam tshuam lub zog thiab hardness ntawm lub sib tsoo log; Yog tias nws siab, cov urotropine ntau dhau tsis ua ke nrog cov resin, thiab nws yog decomposed thiab volatilized thaum lub sij hawm hardening txheej txheem, kom lub pores ntawm lub sib tsoo log yog nce, thiab lub zog thiab hardness yog txo. Cov resin thiab urotropine sib xyaw tsis sib xws, thiab qhov tshwm sim yog tias cov ntsiab lus urodose siab dhau lossis qis dhau; 3 lub binder hmoov yog ntxhib heev nyob rau hauv particle loj, nws yog feem ntau ntseeg hais tias lub particle loj ntawm lub binder yog zoo, uas yog tseem zoo. Uniform faib ntawm cov binder pab txhawb kev sib cuag txaus ntawm hardener. Yog hais tias qhov loj me me yog ntxhib heev, cov khoom siv molding tsis yooj yim sib xyaw ua ke, uas cuam tshuam rau lub hardness thiab lub zog ntawm kev sib tsoo log. Txhawm rau tsim cov khoom zoo-grained sib tsoo log, lub binder yuav tsum muaj qhov loj me me ntawm ob peb microns.
3. Kev tsim cov txheej txheem teeb meem
Cov txheej txheem yuav tsum tau ua rau kev sib tsoo log tsim muaj zog, thiab txhua qhov kev tshem tawm thiab kev sib txawv hauv cov txheej txheem tsim khoom yuav muaj kev cuam tshuam tsis zoo rau qhov zoo ntawm cov khoom sib tsoo. Thaum lub tshuab sib tsoo tiav lawm tau kuaj xyuas, nws tau pom tias muaj qhov tshwm sim tawg, lub nplhaib tsis muaj mob, cov qauv yog xoob, cov ntaub ntawv sib txuas tsis sib xws, thiab cov khoom sib tsoo tsis sib xws. Cov ntaub so ntswg xoob, cov ntaub qhwv tsis sib xws, thiab qhov tshwm sim ntawm qhov tsis xws luag hauv lub nplhaib yog txhua yam cuam tshuam nrog kev tsim khoom tsis raug. Muaj ntau yam teeb meem nyob rau hauv cov txheej txheem ntawm compounding, molding, firing los yog curing, tsheb kho, thiab trimming.
(1) Cov txheej txheem sib xyaw: Cov khoom xyaw yog qhov kev npaj ua ntej ntawm kev sib tov. Lub compounding yog abrasive, wetting agent, binder, muab tub lim, thiab lwm yam raws li cov txheej txheem thiab cov txheej txheem, kom tus neeg sawv cev ntub dej, cov ntaub qhwv, cov muab tub lim thiab cov zoo li sib npaug sib npaug.
Tus yuam sij rau kev sib tov yog uniformity, thiab cov hmoov sib sau yuav tsum ua tiav; cov khoom sib npaug sib npaug, khaws cia xoob, yooj yim rau kev sib kis, thiab muaj cov khoom tsim zoo. Hauv qee qhov chaw tsim khoom, kev sib xyaw tshuab lossis phau ntawv sib xyaw lub sijhawm tsis txaus, thiab kev sib xyaw thiab kev ua haujlwm sieving yog sloppy, uas tsis ua raws li cov lus qhia saum toj no.
(2) Moulding txheej txheem: kev khiav hauj lwm kom raug yog ncuav cov hmoov molding rau hauv nruab nrab ntawm cov pwm, thiab tom qab ntawd siv ib rab riam tshwj xeeb los nthuav cov hmoov nyob rau hauv ib lub clockwise kev taw qhia thiab compact nws thiaj li hais tias nws yog evenly faib nyob rau hauv lub pwm. Cov hmoov thiab cov substrate ncav cuag qhov loj thiab cov duab uas tsis tau tawg lossis delamination. Qee cov neeg ua haujlwm ntawm lub tuam txhab tsis muaj txoj hauv kev los ua haujlwm, ua rau muaj qhov tsis sib xws ntawm kev faib khoom, geometrical tolerances thiab zoo li qub.
(3) Tsim los yog solidification: Qhov no yog cov txheej txheem tsim khoom tseem ceeb tshaj plaws. Muaj ob yam uas yooj yim ua rau muaj teeb meem zoo. Ib qho yog tias qhov kub ntawm qhov sib txawv ntawm qhov cub curing los yog qhov kub kub yog qhov loj heev; lwm qhov yog tias txoj kev sib tsoo lub log yog muab tso rau hauv qhov cub curing yog qhov tsis tsim nyog.
Qhov kub ntawm qhov sib txawv ntawm qhov cub lossis qhov kub kub yog feem ntau ntsuas thaum lub log sib tsoo tsis raug ntsia. Lub sijhawm no, qhov sib txawv ntawm qhov kub thiab txias yog me me, thiab thaum lub qhov cub los yog kub-nias sib tsoo lub log yog mounted rau ntawm pwm, txoj hauj lwm tsis zoo ntawm kev sib tsoo ntawm lub log sib tsoo yuav cuam tshuam qhov ntws ntawm cov cua kub hauv qhov cub lossis lub crucible. Qhov kub sib txawv nce, deviating los ntawm cov txheej txheem hardening, yog li ntawd qhov curing (hardening) zoo ntawm lub log sib tsoo tsis tau lav tag nrho.
(4) Kev ua cov yas: Qee lub log sib tsoo yuav tsum tau kho tom qab tua hluav taws lossis kho kom ntseeg tau tias qhov ntev geometrical thiab cov duab zoo ntawm lub log sib tsoo. Qee lub tuam txhab tau plam cov txheej txheem, thiab lub tsheb tau kho thiab sloppy, thiab cov txheej txheem tsis nyob hauv qhov chaw.
(5) Cov txheej txheem cov ntaub ntawv thiab cov txheej txheem tsis: Cov txheej txheem cov ntaub ntawv ntawm qee lub lag luam me tsis tiav, thiab cov txheej txheem tsis raug hloov kho raws li qhov hloov pauv ntawm cov khoom siv raw, kev hloov pauv huab cua thiab ib puag ncig lossis cov kev xav tau sib txawv ntawm cov neeg siv. Cov teeb meem no feem ntau yog siv los tsim cov log sib tsoo. Nws tsis ruaj khov.
4. Cov khoom siv txheej txheem
(1) Cov khoom siv: Thaum cov khoom siv los, cov cuab yeej ntsuas tsis tau siab heev, cov cuab yeej tshuaj ntsuam xyuas rov qab, thiab qhov teeb meem tsis tuaj yeem pom nyob rau lub sijhawm.
(2) Khoom siv: Cov khoom siv ntau lawm yog cov khoom siv tseem ceeb ua ntej rau kev tsim cov khoom sib tsoo. Qee lub tuam txhab tsis muaj khoom siv. Yog tias tsis muaj lub tshuab sib xyaw, lub tshuab hydraulic muaj qhov tshwj xeeb tonnage tsawg, thiab qhov thib ob, cov cuab yeej siv tsis zoo, thiab cov khoom siv tsis tuaj yeem ua haujlwm zoo. Yog li ntawd, tsis tsuas yog qhov kev ua tau zoo ntawm cov khoom qis, kev siv zog ua haujlwm loj, thiab cov khoom lag luam tsis yooj yim los lav.
(3) Tooling: Qee lub tuam txhab muaj kev tswj xyuas cov cuab yeej tsis muaj zog, tsis muaj cov nyiaj ua tiav rau cov pwm, tsis muaj cov neeg ua haujlwm los xyuas thiab lees txais cov ntaub ntawv raws sijhawm, tsis muaj qhov chaw cia ntawm qhov loj me, tsis muaj qhov chaw cia ntawm tus qauv loj, tsis muaj kev ntxhov siab ntawm qhov chaw tsim khoom.
5. Kev tswj hwm qhov system
(1) Kev tshuaj xyuas cov khoom xa tuaj (xws li kev tshuaj xyuas cov khoom siv raw), kev tshuaj xyuas cov txheej txheem, kev tshuaj xyuas niaj hnub (feem ntau hu ua kev tshuaj xyuas lub Hoobkas), kev tshuaj xyuas kev pom zoo, thiab lwm yam, yog txhua yam tseem ceeb rau kev tshuaj xyuas zoo thiab kev tswj xyuas kev sib tsoo log manufacturers. Qee lub lag luam tshwj xeeb yog me me. Qhov sib txawv ntawm cov lag luam thiab cov lag luam me me yog qhov pom tseeb. Cov teeb meem tseem ceeb yog cov tshuab tsis tiav, kev ua haujlwm tsis zoo, kev tswj tsis tau zoo, kev tswj xyuas luv luv ntawm cov cuab yeej tshuaj xyuas, thiab cov neeg ua haujlwm soj ntsuam tsis zoo. Piv txwv li: tsis muaj lub chaw soj ntsuam tshwj xeeb; Cov neeg soj ntsuam feem ntau ua haujlwm ib nrab sijhawm, thiab ua tus kheej tsim thiab tshuaj xyuas tus kheej, nws nyuaj rau kev tswj hwm nruj; qhov kev tshuaj ntsuam xyuas tsis zoo tag nrho, lossis cov ntsiab lus ntawm cov txheej txheem yog qhov dav lossis dav dav, lossis los ntawm qhov tseeb ntawm lub tuam txhab; Qhov tshwm sim ntawm kev tso tawm ntawm lub Hoobkas tau tshwm sim; kev tswj xyuas tsis meej pem, cov qauv kev ua haujlwm tsis nruj, cov neeg soj ntsuam tsis zoo, kev ua lag luam muaj peev xwm tsis siab, thiab kev kuaj tsis raug thiab tsis raug tshuaj xyuas tshwm sim ntau zaus.
(2) Cov cuab yeej tshuaj xyuas tsis txaus thiab kev tswj xyuas tsis zoo. Cov khoom siv tshuaj ntsuam xyuas tsis tiav, lub tshuab ntsuas ntsuas, ntsuas qhov zoo li qub, lub zog sib npaug, thiab lwm yam nyias-phaj sib tsoo log kawg lub ntsej muag, radial runout tester, puab txoj kab uas hla, vernier caliper, sib tsoo log txiav kev ua tau zoo kuaj tshuab, thiab lwm yam. Tsis muaj sij hawm ntsuas thiab ntsuas ntsuas. , cov cuab yeej tshuaj xyuas rau lub log sib tsoo tsis yog tsuas yog nruab, tab sis kuj yuav tsum muaj lub xeev calibration zoo, yog li yuav tsum muaj kev txheeb xyuas raws sij hawm lossis calibration. Piv txwv li, dynamic ntsuas tshuab, cov cuab yeej, thiab cov cuab yeej ntsuas yuav tsum tau tshuaj xyuas tsis tu ncua. Kuj tseem muaj qhov tsis muaj kev saib xyuas kom zoo thiab kev saib xyuas ntawm qhov zoo li qub. Qhov saum npoo roughness ntawm ob-axis yob yuav tsum nyob rau hauv Ra=0.2 mus rau 1.6 μm.
Lub log sib tsoo zoo yog qhov zoo li yooj yim. Qhov tseeb, nws yog qhov yuav tsum tau ua txoj haujlwm zoo thiab ua tib zoo saib xyuas cov ntsiab lus ntawm txhua yam. Ntau qhov ntsuas rau kev sib tsoo log yog: kev ruaj ntseg ntawm kev sib tsoo lub log, qhov sib npaug ntawm lub log sib tsoo, homogeneity ntawm kev sib tsoo log, hnav tsis kam ntawm kev sib tsoo log, thiab hnav tsis kam ntawm kev sib tsoo log.
