Monga katswiri wothandizira ovuni ya SMT, tadzipereka kupereka mavuni atsopano ndi achiwiri a SMT ndi zida zamitundu yodziwika bwino, gulu loyamba laukadaulo, zida zazikulu, mwayi waukulu wamitengo. Ngati mukuyang'ana ogulitsa uvuni wa SMT reflow wapamwamba kwambiri, kapena makina ena a SMT, pansipa pali mndandanda wazinthu za SMT zomwe takonzerani. Ngati muli ndi malingaliro omwe sangapezeke, chonde titumizireni mwachindunji, kapena tifunseni kudzera pa batani lakumanja.
REHM reflow oven Vision TripleX ndi njira yachitatu-in-imodzi yokhazikitsidwa ndi Rehm Thermal Systems GmbH, yopangidwa kuti ipereke mayankho ogwira mtima komanso opulumutsa zinthu. Chiyambi cha Vision T...
REHM reflow oven VisionXC ndi njira yopangira reflow yopangidwira kupanga magulu ang'onoang'ono ndi apakatikati, ma labotale kapena mizere yowonetsera. Kapangidwe kake kophatikizika kamaphatikiza zinthu zonse zolowa ...
REHM reflow oven VisionXP (VisionXP+) ndi "super-class" reflow soldering system yomwe imayang'ana kwambiri pakugwiritsa ntchito mphamvu, kuchepetsa utsi komanso kutsika mtengo wogwirira ntchito. Dongosololi lili ndi ...
REHM reflow uvuni wa VisionXS ndi njira yowonjezereka yopangira zinthu zambiri, makamaka yoyenera malo opangira magetsi omwe amakwaniritsa zosowa za kusinthasintha komanso kupanga kwakukulu ...
Reflow Oven SMT Production Line Reflow Machinery PCBA Reflow Soldering MachineMachine SpecificationM
HELLER 1913MK5 reflow oven ndi ovuni yothamanga kwambiri yomwe idakhazikitsidwa ndi HELLER Industries, yopangidwa kuti ichepetse mtengo wa umwini ndipo ndiyoyenera kupanga SMT (Surface Mount Technology)
HELLER 2043MK5 reflow uvuni ndi chida chogwiritsa ntchito bwino kwambiri komanso chopulumutsa mphamvu chomwe chinayambitsidwa ndi HELLER, chomwe chili ndi zida zambiri zapamwamba komanso mawonekedwe osiyanasiyana ogwiritsira ntchito.
HELLER Vacuum Reflow OvenModelMomwe Mungapangire: 1809Mawu Oyamba: Ovuni Yopanda Bulube/Vacuum Reflow Ammonia Sys
Ovuni ya SMT reflow ndi chipangizo chomwe chimapereka malo otentha kuti asungunuke phala la solder kuti zigawo zokwera pamwamba ndi PCB ziphatikizidwe modalirika kudzera mu aloyi ya solder paste.
Mitundu ikuluikulu ya uvuni wa SMT reflow imaphatikizapo mavuni otentha a reflow, mavuni a infrared reflow, mavuni otenthetsera otenthetsera mpweya, mavuni oteteza nayitrogeni, ndi zina zotere.
1. Uvuni wa reflow wotentha: Uvuni wobwereranso uwu umagwiritsa ntchito mpweya wotentha kuti kutentha kwa uvuni kukhale kofanana, kuthana ndi kusiyana kwa kutentha komweko komanso kutetezedwa kwa infrared reflow. Mavuni otentha obweranso ndi mpweya ndi oyenera kusonkhana mwamphamvu kwambiri, zomwe zimatha kutsimikizira kutentha kwa ma PCB ndi zigawo zake ndikuwongolera mtundu wa kuwotcherera.
2. Uvuni wa infrared reflow: Mavuni a infrared reflow amagwiritsa ntchito mawonekedwe amphamvu olowera mkati, kutentha kwambiri komanso kupulumutsa mphamvu. Komabe, chifukwa cha mayamwidwe osiyanasiyana a kuwala kwa infrared ndi zida zosiyanasiyana, kutentha kosiyana kumatha kuchitika. Mavuni a infrared reflow ndi oyenera kutenthetsera pamodzi magawo awiri am'mbali.
3. Ovuni yodzaza ndi mpweya wotentha: Chotenthetsera chonse cha mpweya wotentha chimakakamiza mpweya kumayenda kudzera pa nozzle ya jet kapena fani yoletsa kutentha kuti ikwaniritse kutenthetsa kwa mbali zowotcherera. Njirayi imagonjetseratu vuto la kusiyana kwa kutentha kwa infuraredi, koma lingayambitse jitter ya bolodi yosindikizidwa ndikusuntha kwa zigawo.
4. Nayitrojeni chitetezo reflow uvuni: Ovuni yotulukanso iyi imawotcherera pansi pamikhalidwe yotetezedwa ndi nayitrogeni kuti apewe makutidwe ndi okosijeni komanso kukulitsa luso la kuwotcherera. Nayitrojeni chitetezo reflow uvuni ndi oyenera ukadaulo wa kachulukidwe kachulukidwe kachulukidwe, amatha kukonza zinthu zosokonekera, kuchepetsa mikanda ya solder, ndipo ndi yoyenera njira zosayeretsa.
Ntchito yaikulu ya uvuni wa SMT reflow ndi kusungunula phala la solder ndi kutentha popereka malo otentha, motero kuphatikiza modalirika zigawo za mapiri ndi ma PCB.
1. Preheating siteji: Kutenthetsa bolodi PCB wogawana yambitsa solder phala ndi kupewa kuwotcherera osauka chifukwa mofulumira mkulu-kutentha kutentha.
2. Insulation siteji: Onetsetsani kuti kutentha kwa bolodi PCB ndi zigawo zikuluzikulu ndi khola, flux mokwanira volatilized, ndi thovu amapewa pa kuwotcherera.
3. Reflow stage: Kutentha kwa heater kumakwera kwambiri, kutentha kwa gawo kumakwera mofulumira mpaka kutentha kwakukulu, ndipo kuwotcherera kumatsirizika.
4. Kuzizira siteji: Limbikitsani olowa solder kuonetsetsa kuwotcherera zotsatira.
Njira zazikulu zodzitetezera ku uvuni wa SMT reflow zimaphatikizapo kukonza zida, chitetezo chantchito komanso kukonza tsiku ndi tsiku.
Kukonza zida
1. Kuyeretsa tsiku ndi tsiku: Pambuyo pa kutha kwa kupanga tsiku ndi tsiku, zipangizo zotsitsimutsa ziyenera kutsukidwa bwino kuti pamwamba pazipangidwe zikhale zopanda dothi12.
2. Kuyang'ana pafupipafupi: Yang'anani nthawi zonse kuvala kwa zinthu monga malamba otumizira, zinthu zotenthetsera, mafani, makina otumizira ndi zida zowongolera kutentha, ndikuzisintha ngati pakufunika1.
3. Magawo a Calibration: Nthawi zonse sungani magawo a kutentha ndi liwiro la ng'anjo ya reflow kuti muwonetsetse kuti zida zimatha kuwongolera kutentha ndikusintha liwiro la lamba wonyamulira malinga ndi zomwe zidakonzedweratu kuti zitsimikizire mtundu ndi kusasinthika kwa welding1.
Chitetezo cha ntchito
1. Kuzimitsa ndi kutulutsa mpweya: Musanayambe kukonza ng'anjo ya reflow, onetsetsani kuti mwachotsa mphamvu ya ng'anjo ya reflow, onetsetsani kuti ng'anjo ya reflow imayimitsidwa, ndikuchotsa kutentha kotsalira ndi exhaust3.
2. Valani zida zodzitetezera: Pokonza, akatswiri ayenera kuvala zida zoyenera zodzitetezera, monga magolovesi osatentha, magalasi oteteza chitetezo, zovala zogwirira ntchito, ndi zina zotero.
3. Pewani kukhudza malo otentha: Pali malo ambiri otentha kwambiri mkati mwa uvuni wotulukanso. Pewani kuwagwira ndi manja anu powakonza kuti asapse 3.
4. Gwiritsani ntchito zida zoyenera: Pokonza uvuni wa reflow, zida zoyenera ndi zida ziyenera kugwiritsidwa ntchito kuti musagwire kapena kugwiritsa ntchito zida ndi zala kapena zida zina zosayenera 3.
5. Samalirani kugwiritsa ntchito mankhwala: Ngati mankhwala akufunika kuti asamalidwe, onetsetsani kuti mwawagwiritsa ntchito pamalo abwino mpweya wabwino ndipo muwagwiritse ntchito ndi kuwasunga m’njira yoyenera kuti asawononge kapena kuwononga chilengedwe 3.
Kusamalira tsiku ndi tsiku
Yang'anani magetsi ndi kuyika pansi: Musanayambe, yang'anani ngati mawaya amagetsi ndi mawaya oyambira alumikizidwa modalirika kuti mutsimikizire chitetezo 24.
Yang'anani mkati mwa ng'anjo ya ng'anjo: Musanayambe, yang'anani ng'anjo ya ng'anjo kuti muwonetsetse kuti mulibe zinthu zakunja mkati mwa zipangizo, makamaka pamene nthawi yoperekera induction kapena bolodi yozungulira ikugwa mu ng'anjo, iyenera kutsukidwa ndikukonzanso nthawi. 45.
Kukonza ndi kukonzanso nthawi zonse: Yang'anani nthawi zonse ndikusunga zigawo zosiyanasiyana za zida, makamaka waya wotenthetsera ndi lamba wotumizira, kuti muwonetsetse kuti ntchito yawo yanthawi zonse4.
Samalani ndi injini ya mpweya wotentha: Mukayambanso kusungunula, choyamba yang'anani ngati phokoso la injini ya mpweya wotentha silili bwino, ndipo onetsetsani kuti lamba wa conveyor ndi wabwinobwino panthawi yoyendetsa ndipo palibe kusokoneza4.
Potsatira njira zodzitetezera izi, ntchito yabwino komanso chitetezo cha ntchito ya SMT reflow uvuni ikhoza kutsimikiziridwa bwino.
Zomwe zili pachimake pakukonza uvuni wa SMT reflow zikuphatikizapo kuyeretsa nthawi zonse, kuyang'anira ndikusintha magawo omwe ali pachiwopsezo, kuwongolera kutentha ndi liwiro, komanso kukonza ndi kuphunzitsa ogwira ntchito pafupipafupi. Njirazi ndizofunikira kuti zitsimikizire kuti zopanga zikuyenda bwino komanso zabwino.
Choyamba, kuyeretsa nthawi zonse ndi chimodzi mwazinthu zofunika kwambiri pakusunga zida za reflow soldering. Kutha kwa kupanga tsiku lililonse, zidazo ziyenera kutsukidwa bwino kuti zichotse zotsalira zomwe zasonkhanitsidwa ndi dothi, makamaka lamba wotumizira, malo otentha ndi malo ozizira. Kuonjezera apo, m'pofunikanso kuyeretsa mkati mwa ng'anjo ndi mapaipi ozizirira, omwe amatha kutsukidwa ndi ultrasonic cleaner ndi wothandizira.
Kachiwiri, kuyang'anira ndikusintha magawo omwe ali pachiwopsezo ndi gawo lofunikira pakukonza. Zinthu monga zotengera, zotenthetsera, mafani, makina oyendetsa, ndi zida zowongolera kutentha ziyenera kuyang'aniridwa pafupipafupi kuti zivale ndikusinthidwa momwe zingafunikire.
Kuwongolera kutentha ndi liwiro ndikofunikira kuti mutsimikizire mtundu wa soldering. Nthawi zonse sinthani kutentha ndi liwiro la uvuni wa reflow kuti muwonetsetse kuti zida zimatha kuwongolera kutentha molingana ndi zomwe zidakonzedweratu, ndikusintha liwiro la conveyor kuti zitsimikizire mtundu ndi kusasinthika kwa soldering.
Pankhani ya chitetezo cha ogwira ntchito, mfundo zotsatirazi ziyenera kuzindikirika posunga ng'anjo ya reflow: kuzimitsa ndi kutulutsa mpweya, kuonetsetsa kuti zida zikuzizira, kugwiritsa ntchito zida zodzitetezera, kupewa kukhudza malo otentha, kugwiritsa ntchito zida zoyenera, kulabadira kugwiritsa ntchito mankhwala, ndi kulandira. maphunziro.
Pomaliza, kukonza nthawi zonse ndi maphunziro oyendetsa ntchito ndizofunikiranso pakukonza. Kuphatikiza pa kukonza tsiku ndi tsiku, mauvuni obwezeretsanso amafunikiranso kukonza ndikuwongolera nthawi zonse, zomwe zingafunike akatswiri odziwa ntchito. Panthawi imodzimodziyo, onetsetsani kuti ogwira ntchito akuphunzitsidwa bwino ndikumvetsetsa momwe angagwiritsire ntchito bwino zipangizo ndi ntchito zosamalira tsiku ndi tsiku.
Kusamalira molakwika ma uvuni a SMT reflow kungayambitse zotsatira zosiyanasiyana, kuphatikiza kulephera kwa zida, kuchepa kwa magwiridwe antchito, komanso zovuta zamtundu wazinthu. Zotsatirazi sizidzangokhudza kupita patsogolo kwa kupanga, komanso zitha kukhala ndi zotsatira zoyipa pazabwino ndi chitetezo cha zinthu.
Choyamba, kukonza molakwika kungayambitse kulephera kwa zida. Mwachitsanzo, ngati njira yoyendetsera kutentha kwa zida zowotchera zotsitsimutsa ikalephera, imatha kuyambitsa kutentha kosakhazikika, komwe kumakhudzanso mtundu wa kuwotcherera. Kuonjezera apo, ngati tcheni ndi magiya a chipangizocho alibe mafuta odzola komanso osamalidwa bwino, angapangitse kuti zidazo zisayende bwino kapenanso kuwonongeka.
Kachiwiri, kukonza kosayenera kungayambitsenso kuchepa kwa kupanga. Mwachitsanzo, kutentha kosagwirizana kwa zida zopangira reflow kungayambitse kusolder kosakwanira, komwe kumafunikira kugulitsanso, potero kumakulitsa nthawi yopanga. Kuphatikiza apo, kulephera kwa zida kungayambitsenso kuyimitsidwa kwa mizere yopangira, zomwe zimakhudzanso magwiridwe antchito.
Pomaliza, kukonza kosayenera kumatha kukhudza kwambiri mtundu wazinthu. Mwachitsanzo, kuwongolera kutentha molakwika kungayambitse kuwonongeka kwa soldering monga kuzizira kozizira ndi kuzizira, zomwe zingakhudze mphamvu zamagetsi ndi kudalirika kwa mankhwala. Kuphatikiza apo, zotsalira ndi zovuta za chinyezi pazida zimathanso kuyambitsa kusakhazikika kapena kulephera kwa zinthu panthawi yogwiritsidwa ntchito.
1. Kampaniyo ili ndi mazana a ma uvuni a SMT reflow omwe amapezeka chaka chonse, ndipo zonse zomwe zili ndi zipangizo zamakono komanso nthawi yake yobweretsera ndizotsimikizika.
2. Tili ndi gulu laukadaulo laukadaulo lomwe limatha kupereka ntchito zaukadaulo zoyimitsa kamodzi monga kusamutsa, kukonza, kukonza, kukweza mapulogalamu, ndi maphunziro aukadaulo a ma ovuni a SMT reflow.
3. Sikuti tili ndi zida zatsopano komanso zoyambirira zomwe tili nazo, timakhalanso ndi zipangizo zapakhomo. Tili ndi fakitale yathu kuti tizipanga, zomwe zathandiza makasitomala kuchepetsa ndalama zogwirira ntchito ndikuwonjezera phindu lalikulu.
4. Gulu lathu laukadaulo limagwira ntchito maola 24 usana ndi usiku. Pazovuta zonse zamaukadaulo zomwe mafakitale a SMT amakumana nazo, mainjiniya amatha kukonzedwa kuti aziyankha patali nthawi iliyonse. Pazovuta zovuta zaukadaulo, mainjiniya akulu amathanso kutumizidwa kuti akapereke ntchito zaukadaulo patsamba.
Mwachidule, uvuni wa reflow mosakayikira ndi chida chofunikira kwambiri cha SMT. Posankha ogulitsa ofanana, kuwonjezera pa kuwerengera ndi mtengo wamtengo wapatali, chidwi chapadera chiyenera kuperekedwa kuti ngati wogulitsa ali ndi gulu la akatswiri aluso, lomwe limagwira ntchito yofunikira kwambiri pakupanga zida zamakono m'tsogolomu.
Makasitomala athu onse akuchokera kumakampani akuluakulu omwe ali pagulu.
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