Yuav siv lub ntsej muag ua ntej ci ntsa iab siv rau hauv precision machining chaw?
Hav! Raws li tus xa khoom tshwj xeeb tshwj xeeb hauv kev sib kis, Kuv tau txais cov lus nug zoo ib yam li cov neeg siv khoom txhua hnub: "Cov kev qhia ua kom zoo nkauj ua kom tsis zoo. Yuav hloov lawv nrogPrecision Tawm ShaftsDaws cov teeb meem raug? "" Rau milling high {{precision seem, cov qauv txheej txheem tsis muaj peev xwm ua tau raws li qhov xav tau?Precision Tawm Shaftstsuas yog cov me me tiv thaiv kev txhawb nqa machining cov txheej txheem ua haujlwm, Kuv yuav siv lub luag haujlwm txuas ntxiv rau koj los ntawm kev nkag siab ntawm "daim ntawv thov Logic "ntawm precision linear qhia qhia nyob rau hauv machining cov chaw, pab koj xaiv cov lus qhia uas tuaj yeem" lis siab} pref precision machining. "
Kauj ruam 1: 7-kauj ruam qhia tswv yim rau kev sib piv precision precision li machines rau cov chaw
First, clarify your "machining center requirements"-understand what the center needs to do before selecting a linear axis.
Txhawm rau txiav txim siab yog tias qhov ntsuas precis yog qhov haum, ua ntej xaiv cov ntu twg koj cov txheej txheem machining ua haujlwm thiab nws txoj kev xav tau. Zam kev dig muag mus rau txoj kev dig muag "ultra - qhov tseeb siab" uas nkim peev txheej:
Dab tsi ntawm machining chaw koj muaj? Nws cov txheej txheem twg?
Txawv txawv machining chaw muaj vasear txawv linis yuav tsum tau ua. Ntsug machining chaw, feem ntau siv rau milling thiab tho txawv - me ntsis hlau, yuav tsum tau tawm cov hneev nti nrog "ruaj khov radial rigidity." Kab rov tav Machining chaw, ua cov ntu loj dua, ntsuas qhov muaj peev xwm muaj peev xwm ntau dua ntawm cov dav dav dav hlau thiab muaj "kev co ua kom tsis taus." Tsib {- Axis Machining Chaw Xav Tau, nrog lawv cov kev xav tau ntau dua rau "Dynamic teb ceev" thiab "kev ua haujlwm raug."
Ib tus neeg siv yav tas los milled smartphone thaib siv lub chaw ntsug machining. Thaum pib ua haujlwm cov qauv txheej txheem cov hneev nti tau ua rau muaj kev cuam tshuam tsis tu ncua "kev sib txawv ntawm kev hloov pauv" thaum lub tshuab sib txawv. Tom qab hloov mus rau high - precision pob liatision pob, sib txawv tau tswj hwm tsis pub dhau ± 0.002 hli, txhawb ib feem tawm los ntawm 85% txog 99%.
Dab tsi "thauj khoom muaj peev xwm" thiab "kev khiav hauj lwm nrawm" puas yog lub tshuab ua tshuab yuav tsum tau?
Cov ntsiab lus tseem ceeb yog "rated load muaj peev xwm" thiab "ntau tshaj kev khiav haujlwm ceev." Rau milling cov khoom siv hnyav (thauj khoom ntawm 500- 1000Kg), xaiv cov qauv nrog cov ntsuas ntsuas muaj peev xwm tshaj 25nks. Hais txog kev khiav haujlwm ceev: qauv precision machining chaw (ceev) siv cov tshuaj lom neeg kom tiv thaiv kom tiv thaiv kev sib tw lossis suab nrov thaum lub sijhawm ua haujlwm siab.
Ib tus neeg muas zaub lub siab - nrawm machining chaw (ua kom muaj zog tshaj 75 thuv siv ntau tshaj 75 yam kev co thaum ub- ceev zog. Tom qab hloov mus rau high - ceev cov qauv, suab nrov hauv qab 65db thiab kev co kom ploj mus.
Koj yuav tsum yog "cov tseem ceeb" rau machining raug yog dab tsi?
Qhov tseeb tias xav tau ntawm lub tshuab ua haujlwm ncaj qha ncaj qha rau koj cov lus qhia precision ntawm kab ntawv tawm. Rau qhov uas yuav tsum tau ± 0.005mm machining raug, cov kab ntawv raug tshem tawm yuav tsum ua tiav ± 0.003mm muab qhov tseeb thiab ± 0.004mm Dovability. Rau qhov chaw nrog ± 0.01mm machining raug, ± 0.005mm muab tso ua haujlwm raug qhov tseeb. Cov kev ntsuas siab dua xav tau "Kev Saib Xyuas khub meej" thiab ntau dua "lub pob precision" hauv kev nce qib siab, nce nqi los ntawm 30% -50%. Xaiv kev tsim nyog raws li qhov tseeb yuav tsum tau ua.
Kauj Ruam 2: Tshuaj xyuas cov "cov ntaub ntawv ntawm precision licks" - Cov khoom siv yog lub hauv paus ntawm "qhov siab"; Zam kev xaiv pheej yig.
Precision machining me me me me "rigidity" thiab "coj tawm tsam" los ntawm cov khoom siv tsis tuaj yeem sib ntsib. Tsom rau ob tus tseem ceeb Pawg:
Ncej Cov Khoom Siv Hauv Lub Cev (Siab - Lub zog Almoy Hlau)
Cov kev xaiv no suav nrog SUJ2 cov kabmob steel lossis 40crnimoa alloy qauv hlau. Tom qab quenching thiab tempering, suj2 bearing steel tiav hrc 60 {{8 hardness nrog lub zog hnav tsis kam. Haum rau Machining cov chaw ua cov khoom siv hlau qauv, nws muaj ib lub neej ntawm 3 {{{} {}, ua kom muaj zog rau cov chaw hnyav lossis cov chaw nrawm nrawm. Nws cov kev pabcuam lub neej yog 20% -30% ntev dua li Suaj2 steel.
Zam kev siv cov roj carbon steel rau kab tawm. Nrog rau kev tawv ntawm tsuas yog hrc40 - 45, 45, 45, 45, 45, 45, 45, 45, 45, 45 xyoo ua haujlwm nyob rau hauv machining chaw, ua rau precision degradation. Ib tug neeg siv khoom dhau los xaiv 45 tus txheej txheem hlau ua kom txuag tau cov nqi, tab sis yuav tsum tau hloov lawv vim tias hnav hauv tsawg dua 10 lub hlis. Tom qab hloov mus rau SuJ2 hlau, cov Shafts tswj hwm cov cim tau muaj plaub xyoos.
Daim Ntawv Qhia Kev Ntshaw Thiab Cov Ntaub Ntawv
Cov kev qhia qhia yog ib txwm ua los ntawm tib cov khoom siv raws li lub cev nqaij (kom cov khoom siv tau). Cov pob yog xaiv los ntawm high-} Carbon Charomium cov kabmob steel (GCR15). Tom qab precision sib tsoo, lawv cov roundness yuam kev tsawg dua los yog sib npaug rau 0.0005mm, txo cov linear ncej ua haujlwm ua haujlwm zoo thiab ruaj khov. Substandard pob nrog cov kev sib tw ua yuam kev tshaj 0.001 hli ua rau "tabking" thaum tawm cov khoom lag luam tawm, qhov cuam tshuam.
Siab -} xausPrecision Tawm Shaftsyauv mus "Nitrogram" ntawm cov pob hauv pob kom txhim kho kev tiv thaiv thiab corrosion tsis kam, ua rau haum rau noo lossis txiav cov dej ib puag ncig.
Kauj ruam 3: Kos "Precision Linear Ncej Qhov Ncej thiab Cov Tsis Txaus Siab" {-}}}}}} Negate txawm tias siab precision.
Precision Machining cov chaw muaj cov chaw teeb tsa thiab cov khoom uas yuav tsum tau ua. Linear Ncej qhov ntev yuav tsum yog "qhia meej," tsom mus rau peb tus tseem ceeb:
Ncej Txoj kab uas hla vs. Cov Kev Coj Trhaw
Nce txoj kab uas hla yuav tsum tau txiav txim siab raws li machining chaw lub nra thiab ncig ua si:
{{0- tshuab sib txuas nrog cov khoom ntim tsawg dua lossis sib npaug nrog 500kg: xaiv cov kab tawm ntawm 20-30mm.
{{0- tshuab sib txuas nrog loads ntawm 500-1000kg: xaiv cov qauv nrog hauv 30-40 hli.
Daim Ntawv Qhia Kev Rail Dav yuav tsum sib phim lub machining chaw lub swb thaiv.
Ib tus neeg siv khoom dhau los muaj lub tshuab ua haujlwm nrog 50 hli-} dav swb cov kab laum nrog 51 hli {{} dav qhia kev tsheb ciav hlau. Yuam kev txhim kho los ntawm cov swb thaiv rau jam, ua rau khawb hauv cov lus qhia kev tsheb coj thiab swb thaiv. Kev cai {{6- tus qauv loj yuav tsum tau rov ua kom haum rau kom haum.
Kev mus ncig ua si thiab mounting qhov
Kev taug kev zoo yuav tsum tau npog lub tshuab ua haujlwm "ua haujlwm ntau." Mounting lub spacing thiab txoj kab uas hla yuav tsum tau ua tiav lub tshuab ua haujlwm ua kom muaj kev ruaj ntseg kho thiab tswj cov kab ntawv ruaj khov.
Rau machining chaw nrog tsis {{0} Txheem Ncig Ua Si Qhov ntev, sab laj rau cov chaw tsim khoom siv rau kev yuam cov qauv kev nkag mus.
Cov ntsuas ntsuas ruaj khov thiab cov khoom siv zoo li qub
Cov ntsuas ntsuas cov nqi zog yuav tsum tau tshaj qhov chaw ua haujlwm "qhov tseeb load" (nrog cov npoo ntawm 30%). Qhov ntsuas cov ntsuas hluav taws xob muaj zog yuav tsum dhau lub tshuab machining "siab tshaj plaws load," feem ntau xaiv raws li 2-3 zaug cov ntsuas kev ntsuas.
Kauj Ruam 4: Ntsuas "Precision Lineear Qhia Qhov tseeb thiab zoo nkauj" {1} Precision yog lub thoob ntiaj teb ntawm tshuab luam ntawv; Tsis muaj kev nthuav dav tuaj yeem dhau mus.
Precision machining chaw tau thov deb dua linear axis qhov tseeb thiab nto zoo dua li cov khoom siv txheem. Txawm tias muaj kev tsis txaus ntseeg muaj peev xwm ua rau haum cov machining qhov tseeb:
Zam kev xaiv dig muag c0 {{-} {{6} kev ntsuas siab) cov khoom siv. C0 -}} Cov nqi qib qib tshaj 50% ntau dua C1-}}} aninging anometering-qib precision seem. Ib qho kev siv tshuab ua ke ua ke (± 0.01mm kev thev naus laus zis) Xaiv cov qau C0-Qib
Nto tas thiab geomertric kev zam
Qhov saum npoo tiav ntawm Shafts thiab Germeways yuav tsum ua tiav ra0.2μm (firat -} Txoj kev kawm zoo). Ua tiav kev ua tiav rolling rolling kev sib txhuam, minimizes hnav, thiab txhim kho kev ua haujlwm. Hais txog geometric torances, ncaj yuam kev yuav tsum tsawg dua lossis sib npaug nrog 0.001mm / m thiab cylindricity yuam kev lossis sib npaug rau 0.0005mm. Txwv tsis pub, "eccentric kev co" tej zaum yuav tshwm sim thaum lub sijhawm ua haujlwm ntawm txoj kab ua haujlwm, ua rau "qhov seem zoo" hauv cov khoom siv.
Lineear ncej Precision tuaj yeem tshawb xyuas qhov tseeb ntawm "Dial SciTator Kev Tshuaj Ntsuam Xyuas" lossis "Laser Interferometer Testing" kom ua raws li kev ua tshuab luam ntawv. Sij hawm dhau los, ib tus neeg siv khoom tau txais cov ncej linear nrog txoj kev ncaj ncees yuam kev ntawm 0.002mm / m. Hloov Hloov Hloov Tom qab kev soj ntsuam tiv thaiv Machining xwm txheej.
Kauj Ruam 5: Xav Txog "precision" precision "precision" {-}}}}}}} Lub cev tsis muaj ntsiab lus.
Lub installation qhov tseeb ntawm lub chaw kho kom haum dawb ncaj qha cuam tshuam cov kab axis ua tau zoo. Txawm hais tias muaj siab - precision tawm cov qoj ib co, kev teeb tsa tsis sib haum yuav muaj kev sib haum xeeb yog:
Txhim kho qhov tseeb yuav tsum tau ua
Ua kom ntseeg tau tias txoj kev qhia tawm linear "parallelism" thiab "vam meej}}}} kev sib koom tes tsawg dua lossis sib npaug nrog 0.003mm / m. Siv laser cov cuab yeej lossis theem ntsuas kom ntsuas tau; Zam kev kwv yees kos duab.
Ib tus neeg siv khoom dhau los tau ntsib kev ua yuam kev ntawm 0.005mm / m thaum lub sijhawm tawm ntawm cov kev qhia tawm, ua rau "Kev txawv txav" thaum lub tshuab. Tom qab kev nplua tawm mus rau 0.001mm / m, qhov txawv txav kom ploj mus. Qhov zawm ntawm cov screws mounting yuav tsum tau nruj me ntsis kev tswj hwm-}}}}}} igninging, thaum ntau dhau los ntawm kev coj ua.
Sib sau nrog Machining Chaw
Cov kab laum yuav tsum tau sib haum tag nrho nrog lub tshuab ua haujlwm "swb thaiv," "plua plav tiv thaiv kab ke." Tus qauv zawv zawg yuav tsum ua kom nruj cov kab linis kom tsis txhob sib xyaw ntau hom lossis qauv, uas tuaj yeem ua rau "kev tshem tawm ntau dhau los" Lubrication system yuav tsum "precision tshuab cuab yeej roj," thov tsis tu ncua thiab nyob rau hauv kev ntsuas ntau (feem ntau txhua lub sijhawm ua haujlwm) kom tiv thaiv kev sib txhuam qhuav.
Lub zog tiv thaiv plua plav yuav tsum sib haum nrog lub tshuab ua haujlwm "tiv thaiv npog" los tiv thaiv cov kua hlau thiab hlau chips los ntawm txoj kab linear. Ib tug dhau los ntawm cov neeg siv khoom siv lub tshuab ua haujlwm tsis muaj cov plua av nkag mus nkag rau cov ncej kab, ua rau kev coj rail hnav thiab txo qhov tseeb. Txhim kho cov hmoov av npog daws qhov teeb meem.
Kauj Ruam 6: Haum rau "precision machining chaw ua haujlwm operating ib puag ncig" -} tus kab mob ".
Precision machining cov chaw ua haujlwm nyob rau hauv ib puag ncig muaj "tej kua dej, hlau chips, thiab hmoov av." Cov hneev txhuas yuav tsum muaj lub peev xwm tiv thaiv kev tiv thaiv; Txwv tsis pub, lawv lifespan yuav muaj qhov luv luv:
Txiav cov kua tiv thaiv & kev tiv thaiv corrosion
Machining cov chaw feem ntau siv emulsions lossis cov roj txiav rau txias. Leatar Shafts yuav tsum tau "anti {- corrosion kev kho mob loj dua los yog sib npaug ntawm 5μm kom ua tau zoo tiv thaiv cov kua roj. Cov Qauv Tawm Tawm Muaj Txheej Txheem Tsuas yog 2-33m tuab, uas xeb tsis pub dhau ib xyoos hauv cov kua txiav. Thicker cov txheej txheem nthuav tawm kev pabcuam lub neej txog 3-5 xyoos.
Nruab "Resing Rings" ntawm ob kawg ntawm linear qhia los tiv thaiv cov khoom noj txias. Ib tus neeg siv khoom dhau los tau ntsib cov khoom xeb vim tias txias nkag thaum ntsaws ruaj ruaj; Qhov teeb meem tau daws tau tom qab retrofitting.
Tiv thaiv hlau chips thiab hmoov av
Milling thiab Drilling kev ua haujlwm tsim cov khoom tseem ceeb hlau. Siv "scrapers" thiab "plua plav av" kom sai li cas cov chips los ntawm kev qhia cov ciav hlau, tiv thaiv lawv los ntawm cov nqaj thiab cov pob, uas ua rau hnav "abrasive hnav." Nyob rau hauv plua plav machining ib puag ncig, ntxiv "nqus plua plav kaw cov kab ke" rau kev tiv thaiv kab lus qhia tawm
Kauj ruam 7: Tshawb xyuas "Precision Lineear Axis Zoo thiab Ntawv Pov Thawj" {{1} tshuab tshuab}
Precision machining medic sawv cev sawv cev cov khoom lag luam tseem ceeb, thiab tawm cov kab kev nqis peev zoo ncaj qha cuam tshuam. Kev xaiv yuav tsum yog tswj nruj:
Kev Soj Ntsuam Zoo Thiab Kev Kuaj Li Cas
Cov neeg ua haujlwm tshaj tawm kev ua lag luam "Kev sim ua lub neej" thiab "Kev Ntsuas Kev Ruaj Ntseg" ntawm cov kab tawm tsam, muab cov ntaub ntawv tshuaj xyuas. Tshem tawm cov kab tawm ntawm cov hneev taw tsis muaj kev sim thiab tej zaum yuav muaj kev raug teeb meem lossis tsis ua haujlwm tsuas yog ntau pua teev.
Kev Lag Luam Ntawv Pov Thawj thiab Cov Qauv
Precision tawm ntawm cov qauv qhia tau ua raws "ISO International tus qauv" lossis "tshuab cuab yeej kev lag luam." Rau kev siv cov chaw tawm mus rau hauv Europe, linear qhia ntxiv ntxiv rau Daim Ntawv Pov Thawj (thiab 13309). Tsis -} Kev taw qhia ua raws cai tsis tuaj yeem siv rau hauv high {{}}}} end} machin} Cov chaw seem vim muaj qhov tsis txaus.
Xaus lus: Precision tawm tsim nyog rau precision machining chaw - Xaiv ib qho yog qhov tseem ceeb. Tsis txhob cem los ntawm "me me tivthaiv" daim ntawv lo.
Hauv cov ntsiab lus xaus, precision tawm ntawm cov chaw tsis tau pab prefeem machentition cov chaw tab sis kuj ua haujlwm raws li machining qhov tseeb thiab txuas ntxiv cov cuab yeej siv sia Ua raws li cov ntsiab lus ntawm "xaiv precision raws li cov cai, kom muaj tseeb- kev teeb tsa siab, thiab yoog raws li ib puag ncig" yuav pab koj xaiv tus qauv tsim nyog.
Tsis txhob kwv yees "precision machining cov chaw nyob twj ywm ntawm spindles thiab cov cuab yeej." Qhov precision thiab ruaj khov ntawm cov kev qhia tawm ncaj qha txiav txim siab lub chaw nruab nrab "kev ua tau zoo" thiab "kev sib txawv." Yog tias tsis meej txog kev xaiv txoj cai precision precision muab koj lub tshuab ua haujlwm, sab laj tus neeg ua haujlwm tshaj lij txhua lub sijhawm. Muab lawv nrog koj lub tshuab ua haujlwm machining qauv, ib feem precision yuav tsum muaj, thiab cov xav tau thauj mus los txais cov tshuaj kho kom zoo.
Tiv Tauj Peb
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