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Lub Ntsiab Cai Ua Haujlwm ntawm Cryogenic Deflashing Machine Piav Qhia

By Mike Chen, Tus Thawj Coj Tsim Khoom | 12+ Xyoos Hauv Kev Tsim Khoom Siv Roj Hmab |LinkedIn

Cov Ntsiab Lus Tseem Ceeb

  • Lub tshuab cryogenic deflashing tshem tawm lub flash los ntawm kev khov nws nrog cov kua nitrogen kom txog thaum nws tawg, tom qab ntawd tawg nws nrog kev cuam tshuam tumbling hauv lub roller tig.
  • Cov txheej txheem ua haujlwm vim tias lub teeb nyias nyias txias thiab tawg sai dua li lub cev tuab dua, yog li lub teeb ci tawg thaum lub cev tseem muaj sia nyob.
  • Peb qhov kev ntsuas tswj qhov tshwm sim: qhov kub ua haujlwm (qis mus txog −150°C), qhov ceev ntawm lub menyuam (20–70 RPM), thiab lub sijhawm voj voog (qis dua 8 feeb).
  • Qhov no yog lub cev, tsis sib cuag lub ntsiab cai uas tshem tawm cov teeb me me yam tsis muaj cov cuab yeej txiav, yog vim li cas nws thiaj li dhau tus nqi siab dua 98% ntawm cov khoom raug.

Cov lus teb luv luv: Lub tshuab cryogenic deflashing tshem tawm cov flash thiab burrs los ntawm kev siv qhov kev hloov pauv ntawm cov khoom siv ntawm qhov kub qis. Nws khov cov khoom nrog cov kua nitrogen kom txog thaum lub flash nyias nyias ua tawv thiab brittle, tom qab ntawd dov lawv hauv lub roller tig kom qhov cuam tshuam tawg lub flash tawm ntawm qhov tseem-ductile. Nws yog ib qho txheej txheem lub cev, tsis sib cuag: tsis muaj hniav, tsis muaj abrasives, tsis muaj tes xaiv.

Feem ntau cov txheej txheem ua tiav txiav, sib tsoo, lossis txhuam cov khoom siv. Cryogenic deflashing ua qee yam txawv: nws hloov cov khoom siv nws tus kheej, ua rau lub teeb tsis xav tau yooj yim tawg dua li cov khoom uas nws txuas rau. Lub hauv paus ntsiab lus zoo li physics es tsis yog machining, thiab qhov ntawd yog qhov nws yog.

Phau ntawv qhia no piav qhia txog kev tshawb fawb tom qab cov txheej txheem, taug kev los ntawm lub voj voog tshuab ib kauj ruam zuj zus, rhuav tshem cov khoom tseem ceeb thiab cov kev teeb tsa, thiab piav qhia meej tias vim li cas lub teeb ci ntsa iab thaum qhov khoom tseem muaj sia nyob. Yog tias koj tau xav tsis thoob tias lub tshuab tuaj yeem ua li cas deflash ib qho yam tsis tau kov qhov khoom, qhov no yog cov lus teb.

Cryogenic Deflashing yog dab tsi?

Cryogenic deflashing yog ib qho txheej txheem ua tiav uas tshem tawm cov flash, burrs, thiab cov kab sib cais ntawm cov khoom pwm los ntawm kev txias lawv mus rau qhov kub cryogenic kom cov khoom nyias nyias embrittle, tom qab ntawd siv kev cuam tshuam mechanical los rhuav tshem cov brittle flash ntawd.Lo lus "cryogenic" txhais tau hais tias siv qhov kub qis heev, feem ntau xa los ntawm cov kua nitrogen.

Tsis zoo li kev tshem tawm cov khoom siv kho tshuab, uas siv lub thoob tig thiab feem ntau yog kev txiav lossis sib tsoo, kev tshem tawm cryogenic siv txias ua lub cuab yeej tseem ceeb.Vim tias cov txheej txheem tsis nias rab riam rau ntawm qhov, nws tshem tawm qhov ci ntsa iab ntawm cov ntsiab lus me me, cov npoo sab hauv, thiab cov duab nyuaj uas cov cuab yeej txiav tsis tuaj yeem ncav cuag.Qhov no yog vim li cas nws thiaj li dhau los ua tus qauv rau cov foob pob precision, cov khoom me me hauv aerospace, thiab cov khoom me me.

Lub Physics Tom Qab Cov Txheej Txheem

Tag nrho txoj kev no nyob ntawm ib yam khoom siv: qhov kub hloov iav, lossis Tg.Saum nws cov Tg, cov roj hmab sib xyaw ua mos thiab ywj; hauv qab nws, cov khoom siv tib yam dhau los ua tawv, iav, thiab tawg yooj yim.Tus nqi Tg tseeb sib txawv raws li cov khoom sib xyaw - roj hmab ntuj thiab ntau yam khoom siv hluavtaws ua rau tawg yooj yim ntawm qhov kub qis dua 0 ° C, thaum silicone tseem yoog tau ntawm qhov kub txias dua - tab sis lub hauv paus ntsiab lus tuav thoob plaws txhua lub elastomers.

Nov yog qhov kev nkag siab tseem ceeb uas ua rau cov txheej txheem xaiv tau.Flash yog nyias thiab sib dua, yog li nws muaj qhov kub me me thiab txias kom qis dua nws Tg yuav luag tam sim ntawd thaum raug kua nitrogen.Lub cev tseem ceeb yog tuab dua thiab hnyav dua, yog li nws tuav tau ntau dua qhov kub thiab nyob saum nws qhov brittle point ntev dua. Hauv lub sijhawm luv luv cov khoom siv nyob rau hauv lub roller, lub flash embrittles thaum lub khoom khaws cia txaus ductility kom dim ntawm qhov cuam tshuam uas ua raws.

Cov kua nitrogen yog qhov ua rau khov vim nws txias heev—nws npau ntawm li ntawm -196°C—thiab pheej yig. Lub tshuab txhaj nws los tsav lub chamber dov mus rau nws qhov kub ua haujlwm ntawm -150°C, qhov kub qis txaus kom embrittle flash sai sai thaum tawm hauv lub qhov rais txheej txheem ntawm tus neeg teb xov tooj tuaj yeem tswj tau.

Thermal Mass Yog Qhov Kev Xaiv

Xav txog nws zoo li rhuav ib txheej dej khov nyias nyias tawm ntawm ib khob dej uas tseem ua kua. Txheej nyias nyias no khov ua ntej thiab tawg huv si, thaum cov khoom tseem ua kua. Cryogenic deflashing yog qhov kev siv hauv kev lag luam ntawm tib qho thermal-mass effect, uas tau hloov kho kom me ntsis ntawm ib millimeter ntawm flash.

Lub Tshuab Ua Haujlwm Li Cas, Kauj Ruam Yog Kauj Ruam

Lub voj voog ntawm lub tshuab yooj yim rau kev khiav lag luam tab sis nyob ntawm lub sijhawm thiab qhov kub thiab txias. Nov yog qhov kev ua haujlwm hauv lub tshuab cryogenic deflashing:

  1. Thauj cov batch.Cov khoom raug thauj mus rau hauv lub chamber roller, uas tuav tau txog li 80 L—kwv yees li 15–20 kg ntawm cov khoom nyob ntawm qhov ceev ntawm cov khoom.
  2. Txias lub chamber.Cov kua nitrogen raug txhaj tshuaj kom txo qhov kub ntawm lub roller mus rau nws qhov chaw ua haujlwm -150 ° C. Lub peev xwm txias 1.1 kW uas ntsuas tau pab tswj qhov kub kom ruaj khov thaum lub voj voog.
  3. Ua kom lub flash tawg.Lub teeb ci nyias nyias txias dhau nws qhov kub hloov pauv iav thiab hloov mus ua tawv thiab tawg yooj yim, thaum lub cev tuab dua tseem yooj yim khoov.
  4. Tumble thiab shatter.Lub log tig ntawm 20–70 RPM, ua rau cov khoom sib tsoo kom lawv sib tsoo thiab lub nruas. Lub zog sib tsoo ua rau lub teeb ci ntsa iab ntawm txoj kab sib cais ploj mus.
  5. Tuav rau lub sijhawm voj voog.Lub voj voog tag nrho khiav hauv qab 8 feeb—ntev txaus kom tshem tawm lub teeb ci, luv txaus kom tsis txhob txias mus txog rau qhov puas tsuaj.
  6. Tshem tawm thiab cais.Cov khoom uas tau deflashed tawm mus nrog rau cov khoom tawg uas tawg lawm, uas tom qab ntawd raug sib cais ntawm cov khoom tiav.

Saib seb muaj dab tsi tsis nyob: tsis muaj hniav, tsis muaj cov khoom siv sib txhuam, thiab tsis muaj tus neeg teb xov tooj ncav tes mus rau hauv cov txheej txheem.Vim tias lub zog tshem tawm yog siv los ntawm cov khoom lawv tus kheej dov, lub tshuab txiav txhua qhov chaw kom sib npaug, suav nrog cov qhov hauv qab thiab cov npoo sab hauv.

Cov Cheebtsam Tseem Ceeb thiab Lawv Lub Luag Haujlwm

Txhua yam khoom hauv lub tshuab cryogenic deflashing txuas mus rau ib kauj ruam ntawm lub hauv paus ntsiab lus. Kev nkag siab txog lub luag haujlwm ua rau cov txheej txheem yooj yim dua los kho thiab daws teeb meem.

Cheebtsam Lub Luag Haujlwm hauv Txoj Cai Cov Lus Qhia Tshwj Xeeb
Chav rau cov menyuam Tuav cov khoom thiab muab kev ua haujlwm tumbling 80 L (15–20 kg)
Kev muab cov kua nitrogen Embrittles lub flash los ntawm kev txias heev Qhov chaw khov; npau ze ntawm -196 ° C
Lub tshuab txias Ua kom qhov kub ntawm chav tsev ruaj khov thaum lub sijhawm voj voog 1.1 kW ntsuas lub peev xwm txias
Kev tsav tsheb rau cov menyuam Tig lub chamber kom tsim lub zog cuam tshuam 20-70 RPM, kho tau
Kev tswj hwm Tswj qhov kub thiab txias, qhov ceev, thiab lub sijhawm voj voog Programmable, 3P 380 V 50 Hz

Cov lus qhia tshwj xeeb los ntawmkua nitrogen cryogenic deflashing tshuabnplooj ntawv khoom.

Lub tshuab me me - ntev li 1200 hli, dav li 2000 hli, siab li 1200 hli, hnyav li 200 kg - txhais tau tias tag nrho lub hauv paus ntsiab lus haum rau hauv ib lub ces kaum me me ntawm chav ua tiav.

Vim Li Cas Thin Flash Thiaj Tawg Thiab Qhov Seem Tseem Muaj Sia Nyob

Qhov kev xaiv ntawm cryogenic deflashing yog qhov laj thawj uas nws ntseeg siab rau kev ua haujlwm raug, thiab nws tsim nyog nkag siab kom meej vim tias nws yog qhov uas tiv thaiv cov txheej txheem los ntawm kev rhuav tshem qhov chaw nrog rau lub teeb.

Qhov kev tawg yooj yim mus los ntawm cov khoom siv raws sijhawm, thiab cov khoom nyias nyias mus txog qhov xwm txheej tawg ua ntej cov khoom tuab ua.Lub teeb ci, uas feem ntau yog ib feem ntawm ib millimeter tuab, txias los ntawm nws cov Tg yuav luag tam sim ntawd. Lub cev ntawm ib feem, ntau zaus tuab dua, txias qeeb dua los ntawm qhov chaw sab hauv. Thaum lub voj voog luv luv, lub teeb ci raug embrittled tag nrho thaum lub plawv ntawm ib feem - thiab feem ntau nws qhov chaw ua haujlwm - tseem ductile txaus kom nqus tau qhov cuam tshuam tsis muaj kev tawg.

Qhov no yog vim li cas lub sijhawm voj voog thiaj li tseem ceeb heev.Khiav lub voj voog ntev dhau thiab qhov khoom nws tus kheej txias qis dua nws Tg thiab ua brittle, thaum lub sijhawm ntawd lub tumbling uas tshem tawm flash pib chipping cov khoom.Khiav nws luv dhau thiab lub teeb tseem tsis tau tawg, yog li nws ncab es tsis txhob tawg. Lub sijhawm voj voog qis dua 8 feeb tau kho kom nyob nruab nrab ntawm ob qho kev ua tsis tiav ntawd.

Cov Txheej Txheem ntawm Lub Voj Voog thiab Yam Uas Lawv Tswj

Peb lub pob qhov rooj—kub, ceev, thiab sijhawm—txiav txim seb cov txheej txheem puas tshem tawm lub teeb kom huv si lossis ua puas rau qee qhov. Kho lawv ua ke, tsis yog kho ib leeg xwb.

Cov Qauv Ntau yam Dab Tsi Ua Rau Nws Tig Los Ua Haujlwm Qhov Ua Rau Nws Tsis Ua Haujlwm
Qhov kub ntawm chav tsev Qis dua mus txog -150 ° C Kev tawg sai dua, qhov nrawm dua ntawm kev tshem tawm flash Qeeb qeeb qeeb, maj mam dua ntawm qhov
Qhov ceev ntawm cov menyuam 20–70 RPM Muaj zog ntau dua, tshem tawm lub teeb sai dua Kev co softer, tsawg dua kev pheej hmoo rau cov khoom me me
Lub sijhawm voj voog Hauv qab 8 feeb Kev txias tob dua, tshem tawm cov teeb meem tawv ncauj Txias me ntsis, tiv thaiv qhov ductility ntawm ib feem

Qhov chaw teeb tsa zoo tshaj plaws nyob ntawm cov khoom sib xyaw Tg, qhov tuab ntawm ib feem, thiab qhov geometry ntawm lub teeb ci. Kev kho kom zoo yog ib txoj haujlwm rau ib yam khoom, tsis yog ib qho kev teeb tsa ib zaug xwb.

Vim tias qhov kub thiab txias ntawm cov roj hmab ntuj tsim txawv ntawm cov khoom sib xyaw, cov txheej txheem zoo tagnrho yog txawv rau cov roj hmab ntuj, NBR, FKM, thiab silicone.Tus cwj pwm brittleness ntawm roj hmab nws tus kheej yog ib qho kev ntsuas tus qauv - ASTM D2137 thiab ISO 812 piav qhia txog cov txheej txheem rau kev txiav txim siab qhov brittleness ntawm cov roj hmab sib xyaw - uas yog ib qho siv tau thaum tsim lub qhov rais kub rau cov khoom tshiab.

Cov Khoom Siv Haum Rau Cryogenic Deflashing

Cov txheej txheem ua haujlwm txhua qhov chaw uas lub teeb ci tuaj yeem ua rau tawg yooj yim dua li qhov.Nws yog txoj kev xaiv rau cov roj hmab thiab cov khoom yas, thiab nws kuj tswj hwm ntau yam khoom siv hlau tuag-casted.

Cov ntawv thov feem ntau suav nrog cov khoom siv roj hmab nyuaj, cov khoom siv dav hlau me me, cov khoom siv roj hmab hauv tsheb, cov roj hmab hluavtaws meej, cov khoom siv yas meej, cov khoom siv hluav taws xob me me, cov khoom siv hluav taws xob nyuaj, thiab zinc, magnesium, lossis txhuas tuag castings, ntxiv rau cov foob meej. Rau cov khoom no, lub hauv paus ntsiab lus tsis sib cuag yog qhov tseem ceeb: nws tshem tawm lub teeb ci uas rab riam tsis tuaj yeem ncav cuag thiab tawm ntawm qhov chaw tsis raug kov.

Rau kev ua haujlwm yooj yim dua, ntim siab O-ring lossis rau silicone qhov twg brittleness nyuaj rau ua tiav, lwm cov ntsiab cai yuav haum zoo dua.cov tshuab roj hmab deflashing ntau yamsuav nrog lwm txoj hauv kev siv tshuab thiab cua uas tsis siv cov kua nitrogen kiag li.

Cov Teeb Meem Feem Ntau Thiab Yuav Kho Li Cas

Teeb meem Tej zaum yuav muaj laj thawj Kev daws teeb meem
Lub flash tsis tau raug tshem tawm tag nrho Kub dhau los yog voj voog luv dhau Txo qhov kub thiab txias lossis ncua lub voj voog hauv lub qhov rais
Cov khoom tawg los yog chipping Lub voj voog ntev dhau los yog lub log ceev dhau Ua kom lub voj voog luv dua; txo qhov ceev ntawm lub roller
Kev tshem tawm tsis sib npaug thoob plaws hauv pawg Lub roller overloaded los yog txias tsis sib npaug Txo qhov loj ntawm cov khoom ua pawg; xyuas kom meej qhov kub thiab txias faib tawm
Kev siv cov kua nitrogen ntau dhau Lub foob chamber tsis zoo los yog txias dhau Tshawb xyuas cov foob; nce qhov kub kom tsawg kawg nkaus uas xav tau
Cov voj voog ntev rau tib qho txiaj ntsig Kev hloov pauv ntawm lub tub yees lossis lub ntsuas kub Xyuas kom tseeb tias lub tub yees txias thiab kho qhov sensor

Kev tshem tawm cov kua qaub (cryogenic deflashing) yog ib qho txheej txheem kho. Feem ntau cov teeb meem raug daws los ntawm kev kho qhov kub, qhov ceev, lossis lub sijhawm—tsis yog los ntawm kev hloov cov khoom.

Xaus Lus: Kev tshem tawm los ntawm Kub, Tsis yog los ntawm Cuab Yeej

Lub hauv paus ntsiab lus ua haujlwm ntawm lub tshuab cryogenic deflashing yog qhov yooj yim heev: khov lub teeb kom txog thaum nws tawg, tom qab ntawd cia qhov cuam tshuam tawg nws ntawm qhov tseem-ductile. Tsis muaj hniav, tsis muaj abrasive, tsis muaj tes. Lub physics ua qhov uas lub cuab yeej txiav ua tsis tau - ncav cuag rau hauv cov ntsiab lus zoo thiab cov npoo sab hauv thiab tshem tawm lub teeb sib npaug yam tsis tau kov qhov chaw.

Cov txheej txheem no yog xaiv vim nws nyob ntawm qhov kub thiab txias: cov khoom nyias nyias tawg ua ntej qhov tuab dua ua, thiab lub sijhawm luv luv ua rau qhov khoom muaj kev nyab xeeb. Kub, qhov ceev ntawm lub roller, thiab lub sijhawm voj voog yog peb lub levers uas ua rau cov txheej txheem nyob hauv lub qhov rais ntawd.

Rau cov khoom siv roj hmab, yas, thiab cov khoom siv tuag-cast, qhov ntawd yog qhov sib txawv ntawm kev ua tiav uas txiav cov khoom thiab kev ua tiav uas txiav lub teeb ci. Thaum koj nkag siab txog lub hauv paus ntsiab lus, lub tshuab tsis zoo li lub thawv txias thiab pib zoo li cov txheej txheem lub cev uas tswj tau, rov ua dua - ib qho uas koj tuaj yeem kho, ntsuas, thiab ntseeg siab.

Cov Ntaub Ntawv Txog Cov Khoom Siv

• Tshuaj xyuas qhovkua nitrogen cryogenic deflashing tshuabrau cov lus qhia tag nrho, suav nrog 80 L roller thiab -150 ° C kev ua haujlwm ntau yam.

• Saib tag nrhocov tshuab roj hmab deflashing ntau yamrau lwm txoj hauv kev siv tshuab thiab cua rau lub hauv paus ntsiab lus cryogenic.

• Tshawb nrhiav qhovtshuab deflashing (XCJ-G600)rau kev ua haujlwm O-ring ntau yam tsis muaj kua nitrogen.

• Saib covlub tshuab cua fais fab roj hmab deflashing, uas siv aerodynamics es tsis txhob khov.

Cov Lus Nug Feem Ntau: Cryogenic Deflashing Ua Haujlwm Txoj Cai

Yuav ua li cas cryogenic deflashing tshem tawm lub flash yam tsis tau kov qhov?
Nws tshem tawm lub teeb ci los ntawm kev hloov nws qhov kub, tsis yog los ntawm kev sib cuag. Cov kua nitrogen ua rau lub teeb ci nyias txias kom txog thaum nws dhau nws qhov kub hloov iav thiab ua rau tawg. Kev sib tsoo ntawm lub cev ces ua rau lub teeb ci tawg, thaum lub cev tuab dua tseem nyob ruaj khov txaus kom muaj sia nyob. Tsis muaj riam lossis cov khoom siv sib txhuam kov qhov chaw ntawm qhov khoom.
Vim li cas lub teeb ci thiaj tawg tab sis qhov seem tsis tawg?
Vim yog lub zog thermal. Lub teeb ci ntsa iab nyias thiab sib dua, yog li nws txias mus rau qhov chaw tawg yooj yim yuav luag tam sim ntawd. Lub cev ntawm ib feem yog tuab dua thiab hnyav dua, yog li nws txias qeeb dua thiab khaws cia ductility los ntawm lub voj voog luv luv. Lub voj voog yog lub sijhawm yog li lub teeb ci ntsa iab tag nrho thaum lub qhov tseem tsis tau tawg yooj yim.
Lub tshuab cryogenic deflashing ua haujlwm ntawm qhov kub twg?
Lub tshuab ua haujlwm txog li −150 ° C, siv cov kua nitrogen—uas npau ze li −196 ° C—ua qhov chaw khov. Qhov kub ua haujlwm tseeb yog qhov ntsuas qhov sib txawv uas nyob ntawm qhov sib xyaw ua ke thiab qhov geometry ntawm qhov khoom.
Qhov kub ntawm kev hloov pauv iav yog dab tsi thiab vim li cas nws thiaj tseem ceeb?
Qhov kub hloov pauv iav, lossis Tg, yog qhov chaw uas cov polymer hloov pauv ntawm mos thiab ywj mus rau tawv thiab tawg. Nws tseem ceeb vim tias cryogenic deflashing nyob ntawm kev txias lub flash hauv qab nws Tg thaum khaws qhov khoom saum toj ntawm nws. Tg tseeb sib txawv ntawm cov khoom sib xyaw, yog vim li cas txhua yam khoom xav tau nws tus kheej qhov kub thiab sijhawm teeb tsa.
Cov khoom twg zoo tshaj plaws rau cryogenic deflashing?
Kev siv Cryogenic deflashing ua rau cov khoom siv precision uas yuav tsum tau tshem tawm cov flash yam tsis tas kov qhov chaw: cov khoom siv roj hmab nyuaj, cov khoom siv dav hlau me me thiab cov khoom siv tsheb, cov foob precision, cov khoom siv yas thiab cov khoom siv hluav taws xob, thiab cov khoom siv zinc, magnesium, lossis aluminium die castings. Nws ncav cuag cov ntsiab lus zoo thiab cov npoo sab hauv uas cov hniav tsis tuaj yeem ua tau.
Ib lub voj voog deflashing cryogenic siv sijhawm ntev npaum li cas?
Ib lub voj voog puv nkaus khiav hauv qab 8 feeb rau 80 L lub log thauj khoom kwv yees li 15-20 kg. Lub voj voog luv luv yog txhob txwm ua: nws yuav tsum ntev txaus kom lub teeb ci ntsa iab tab sis luv txaus kom qhov khoom tsis txhob txias qis dua nws qhov brittle point thiab tawg thaum lub sijhawm dov.

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