Ekkolero ly'okukola oven ya SMT Reflow - Page3

SMT reflow oven kye ki?

SMT reflow oven kye kyuma ekiwa embeera y’ebbugumu okusaanuusa ekikuta kya solder olwo ebitundu ebiteekebwa kungulu ne paadi za PCB bisobole okugattibwa mu ngeri eyesigika okuyita mu aloy ya solder paste.

Ebika bya SMT reflow ovens bimeka?

Ebika ebikulu ebya SMT reflow ovens mulimu hot air reflow ovens, infrared reflow ovens, full hot air reflow ovens, nitrogen protection reflow ovens, etc. Ebika bino bisaanira ebyetaago eby’enjawulo eby’okufulumya n’engeri y’ebintu okusinziira ku nkola zaabwe ez’okufumbisa n’engeri y’enkola.

1. Hot air reflow oven: Oven eno reflow ekozesa empewo eyokya okufuula ebbugumu mu oven okubeera ery’enjawulo, okuvvuunuka enjawulo y’ebbugumu mu kitundu n’okuziyiza effect ya infrared reflow. Ovens eziddamu okutambuza empewo eyokya zisaanira okukuŋŋaanyizibwa mu density enkulu, ekiyinza okukakasa ebbugumu erikwatagana erya PCBs n’ebitundu n’okulongoosa omutindo gw’okuweta.

2. Infrared reflow oven: Infrared reflow ovens zikozesa engeri y’okuyingira okw’amaanyi mu infrared, okukozesa obulungi ebbugumu n’okukekkereza amaanyi. Naye olw’emiwendo egy’enjawulo egy’okunyiga emisinde gya infrared egy’ebintu eby’enjawulo, ebbugumu eritali lyenkanankana liyinza okubaawo. Infrared reflow ovens zisaanira okufumbisa awamu eby’okukuŋŋaanya eby’enjuyi bbiri.

3. Full hot air reflow oven: Full hot air reflow oven ewaliriza empewo okutambula okuyita mu convection jet nozzle oba heat-resistant fan okutuuka ku bbugumu ly’ebitundu ebiweereddwa. Enkola eno evvuunuka ddala ekizibu ky’enjawulo y’ebbugumu mu kitundu eky’okuddamu okukulukuta kw’ebbugumu erya infrared, naye eyinza okuleeta okuwuguka kw’olubaawo lw’ekiyungo ekikubibwa n’okusengulwa kw’ebitundu.

4. Oven reflow ekuuma nayitrojeni: Oven eno reflow ekola welding mu mbeera y’okukuuma nayitrojeni okuziyiza oxidation n’okulongoosa obusobozi bw’okufukirira welding. Nitrogen protection reflow oven esaanira tekinologiya w’okukuŋŋaanya mu density enkulu, esobola okutereeza ebitundu ebitali bituufu, okukendeeza ku bimuli bya solder, era esaanira enkola ezitaliimu kwoza.

Emirimu emikulu egya reflow oven

Omulimu omukulu ogwa SMT reflow oven kwe kusaanuusa ekikuta kya solder nga kibugumya nga kiwa embeera y’ebbugumu, bwe kityo ne kigatta mu ngeri eyesigika ebitundu ebiteekebwa kungulu ne paadi za PCB.

1. Omutendera gw’okubugumya: Bbugumya ekipande kya PCB kyenkanyi okusobola okukola ekikuta kya solder n’okwewala okuweta obubi okuva ku bbugumu ery’amangu erya waggulu.

2. Omutendera gw’okuziyiza: Kakasa nti ebbugumu ly’olubaawo lwa PCB n’ebitundu bitebenkedde, ekiwujjo kifuuse ekiwujjo mu bujjuvu, era ebiwujjo byewalibwa mu kiseera ky’okuweta.

3. Omutendera gw’okuddamu okukulukuta: Ebbugumu lya hhuta lirinnya okutuuka ku ntikko, ebbugumu ly’ekitundu lirinnya mangu okutuuka ku bbugumu ery’oku ntikko, era okuweta kuwedde.

4. Omutendera gw’okunyogoza: Kaluba ebiyungo bya solder okukakasa nti welding effect.

Biki eby’okwegendereza ku ovens za SMT reflow?

Ebikulu eby’okwegendereza ku oven za SMT reflow mulimu okuddaabiriza ebyuma, obukuumi bw’emirimu n’okuddaabiriza buli lunaku.

Okuddaabiriza ebyuma

1. Okwoza buli lunaku: Oluvannyuma lw’okufulumya buli lunaku, ebyuma ebiddamu okukulukuta birina okuyonjebwa obulungi okusobola okukuuma kungulu kw’ebyuma nga tekuliimu bucaafu12.

2. Okukebera buli kiseera: Bulijjo kebera okwambala kw’ebitundu nga emisipi egy’okutambuza, ebintu ebibugumya, ffaani, enkola z’okutambuza amasannyalaze n’ebyuma ebifuga ebbugumu, era obikyuse nga bwe kyetaagisa1.

3. Calibration parameters: Bulijjo calibrate temperature ne speed parameters za reflow oven okukakasa nti ebyuma bisobola okufuga obulungi ebbugumu n’okutereeza conveyor belt speed okusinziira ku nkola eyateekebwawo edda ebyetaago okukakasa omutindo n’obutakyukakyuka welding

Obukuumi mu kukola

1. Okuggyako amasannyalaze n’okufulumya omukka: Nga tonnaba kukola ndabirira ya oven ya reflow, kakasa nti osalako amasannyalaze ga oven reflow, kakasa nti oven reflow eyimiridde ddala, era oggyewo ebbugumu n’omukka ogusigaddewo3.

2. Yambala ebyuma ebikuuma: Mu kiseera ky’okuddaabiriza, abakugu balina okwambala ebyuma ebituufu eby’okwekuuma, gamba nga ggalavu ezigumira ebbugumu, endabirwamu z’obukuumi, engoye z’okukola n’ebirala 3.

3. Weewale okukwata ku bifo ebibuguma: Waliwo ebifo bingi ebirimu ebbugumu eringi munda mu oven erongoosa. Weewale okuzikwata butereevu n’emikono gyo ng’oziddaabiriza okwewala okwokya 3.

4. Kozesa ebikozesebwa ebituufu: Mu kiseera ky’okuddaabiriza oven y’okuddamu okukulukuta, ebikozesebwa n’ebikozesebwa ebituufu birina okukozesebwa okwewala okukwata oba okukozesa ebyuma n’engalo oba ebikozesebwa ebirala ebitasaana 3.

5. Faayo ku nkozesa y’eddagala: Singa eddagala lyetaagibwa okuddaabiriza, kakasa nti likozesa mu mbeera erimu empewo ennungi era likozesa n’okutereka mu ngeri entuufu okwewala okwonoona obutonde oba okwonoona obutonde 3.

Okuddaabiriza buli lunaku

1. Kebera amasannyalaze ne grounding: Nga tonnatandika, kebera oba waya z’amasannyalaze ne grounding ez’ebyuma ziyungiddwa mu ngeri eyesigika okukakasa obukuumi 24.

2. Kebera munda mu kisenge ky’ekikoomi: Nga tonnatandika, kebera ekituli ky’ekikoomi okukakasa nti munda mu byuma temuli bintu bigwira naddala nga induction timeout oba circuit board egudde mu kyokero, erina okuyonjebwa n’okuddamu okuteekebwa mu budde 45. Ebikwata ku nsonga eno.

3. Okuddaabiriza n’okuddaabiriza buli kiseera: Bulijjo kebera n’okulabirira ebitundu eby’enjawulo eby’ebyuma naddala waya y’ebbugumu n’omusipi ogutambuza, okukakasa nti bikola mu ngeri eya bulijjo4.

4. Faayo ku mmotoka y’empewo eyokya: Bw’oba ​​otandika okukuba ‘reflow soldering’, sooka okebere oba eddoboozi lya mmotoka y’empewo eyokya si lya bulijjo, era kakasa nti omusipi ogutambuza guli gwa bulijjo ng’otambuza era tewali kuva ku luguudo4.

Nga tugoberera okwegendereza kuno, enkola eya bulijjo n’obukuumi bw’emirimu gya SMT reflow oven busobola okukakasibwa obulungi.

Engeri y'okulabirira oven ya SMT reflow

Ebikulu ebiri mu kuddaabiriza oveni ya SMT reflow mulimu okuyonja buli kiseera, okwekenneenya n’okukyusa ebitundu ebitali binywevu, okupima ebbugumu n’embiro, n’okuddaabiriza buli kiseera n’okutendeka abaddukanya emirimu. Ebikolwa bino byetaagisa nnyo okulaba ng’ebintu bikolebwa bulungi ate nga bituufu.

Okusookera ddala, okuyonja buli kiseera kye kimu ku bintu ebikulu mu kulabirira ebyuma ebikola ‘reflow soldering’. Oluvannyuma lw’okumaliriza okufulumya buli lunaku, ebyuma birina okuyonjebwa obulungi okuggyawo ebisigadde n’obucaafu ebikuŋŋaanyiziddwa naddala mu musipi ogutambuza, ekifo eky’ebbugumu n’ekifo ekinyogoza. Ng’oggyeeko ekyo, kyetaagisa n’okuyonja munda mu kyokero ne payipu z’ekifo ekinyogoza, ezisobola okuyonjebwa n’ekyuma ekiyonja amaloboozi amangi (ultrasonic cleaner) n’ekirungo ekiyonja.

Ekirala, okwekenneenya n’okukyusa ebitundu ebizibu nakyo kitundu kikulu mu ndabirira. Ebitundu nga conveyors, heating elements, fans, drive systems, n’ebyuma ebifuga ebbugumu byetaaga okukeberebwa buli kiseera oba byambala era ne bikyusibwa nga bwe kyetaagisa.

Okupima ebbugumu n’embiro kikulu nnyo mu kukakasa omutindo gw’okusoda. Bulijjo kaliba ebipimo by’ebbugumu n’embiro z’oveni y’okuddamu okukulukuta okukakasa nti ebyuma bisobola okufuga obulungi ebbugumu okusinziira ku byetaago by’enkola ebyateekebwawo, n’okutereeza sipiidi y’okutambuza okukakasa omutindo n’obutakyukakyuka bw’okusoda.

Mu nsonga z’obukuumi bw’abakozi, bino wammanga bye byetaaga okwetegereza nga oddaabiriza oven y’okuddamu okukulukuta: amasannyalaze okuggyako n’okufulumya omukka, okukakasa nti ebyuma binyogoga, kozesa ebyuma eby’okwekuuma, okwewala okukwata ku bifo ebibuguma, kozesa ebikozesebwa ebituufu, okufaayo ku nkozesa y’eddagala, n’okufuna okutendeka.

N’ekisembayo, okuddaabiriza buli kiseera n’okutendeka abaddukanya emirimu nabyo bikulu nnyo mu kuddaabiriza. Ng’oggyeeko okuddaabiriza buli lunaku, oveni eziddamu okufuuwa amazzi nazo zeetaaga okuddaabirizibwa buli kiseera n’okuddaabirizibwa, ekiyinza okwetaagisa abakugu abakugu. Mu kiseera kye kimu, kakasa nti abaddukanya bafuna okutendekebwa okutuufu n’okutegeera engeri y’okuddukanyaamu ebyuma obulungi n’okukola emirimu gy’okuddaabiriza buli lunaku.

Biki ebiva mu kuddaabiriza obubi ovens za SMT reflow?

Okuddaabiriza obubi ovens za SMT reflow kiyinza okuvaako ebivaamu eby’enjawulo, omuli okulemererwa kw’ebyuma, okukendeeza ku bulungibwansi bw’okufulumya, n’obuzibu ku mutindo gw’ebintu. Ebivaamu bino tebijja kukoma ku kukosa nkulaakulana ya kukola, wabula biyinza n’okukosa obubi ku mutindo n’obukuumi bw’ebintu.

Ekisooka, okuddaabiriza obubi kiyinza okuvaako ebyuma okulemererwa. Okugeza, singa enkola y’okufuga ebbugumu ey’ebyuma ebisoda mu kuddamu okukulukuta (reflow soldering equipment) eremererwa, kiyinza okuleeta ebbugumu eritali ntebenkevu, ekikosa omutindo gw’okuweta. Okugatta ku ekyo, singa olujegere ne ggiya z’ebyuma tezisiiga bulungi n’okuddaabiriza, kiyinza okuvaako ebyuma okutambula obubi oba n’okwonooneka.

Ekirala, okuddaabiriza obubi nakyo kiyinza okuvaako okukendeeza ku bulungibwansi bw’okufulumya. Okugeza, ebbugumu eritali lyenkanankana ery’ebyuma ebisoda mu kuddamu okukulukuta liyinza okuleeta okusoda okutali kujjuvu, nga kyetaagisa okuddamu okusoda, bwe kityo ne kyongera enzirukanya y’okufulumya. Okugatta ku ekyo, ebyuma okulemererwa nakyo kiyinza okuvaako layini y’okufulumya okuggalawo, ne kyongera okukosa obulungi bw’okufulumya.

N’ekisembayo, okuddaabiriza mu ngeri etali ntuufu kuyinza okukosa ennyo omutindo gw’ebintu. Okugeza, okufuga ebbugumu okutali kutuufu kuyinza okuleeta obuzibu mu kusoda nga okusoda mu nnyonta n’okusoda mu nnyonta, ekiyinza okukosa omulimu gw’amasannyalaze n’okwesigamizibwa kw’ekintu. Okugatta ku ekyo, ebisigadde n’obuzibu bw’obunnyogovu mu byuma nabyo biyinza okuvaako okukola obutanywevu oba okulemererwa kw’ekintu nga kikozesebwa.

Lwaki otulonda okugula SMT reflow oven?

1. Kkampuni eno erina ebikumi n’ebikumi bya SMT reflow ovens mu sitoowa omwaka gwonna, era byombi omutindo gw’ebyuma n’okubituusa mu budde bikakasiddwa.

2. Tulina ttiimu y’ekikugu ey’ekikugu esobola okuwa obuweereza obw’ekikugu obw’ekifo kimu ng’okusengula, okuddaabiriza, okuddaabiriza, okulongoosa pulogulaamu za kompyuta, n’okutendeka eby’ekikugu mu oven za SMT reflow.

3. Tetukoma ku kuba na bikozesebwa bipya n’eby’omulembe mu sitoowa, tulina n’ebikozesebwa eby’awaka. Tulina ekkolero lyaffe okuzikola, ekiyambye bakasitoma okukendeeza ku nsaasaanya y’emirimu n’okwongera ku magoba ku kigero ekinene.

4. Ttiimu yaffe ey’ekikugu ekola essaawa 24 emisana n’ekiro mu ssifiiti. Ku bizibu byonna eby’ekikugu ebisanga amakolero ga SMT, bayinginiya basobola okutegekebwa okuddamu okuva ewala essaawa yonna. Ku bizibu eby’ekikugu ebizibu, bayinginiya abakulu nabo basobola okusindikibwa okukola emirimu egy’ekikugu mu kifo.

Mu bufunze, oven ya reflow awatali kubuusabuusa kyuma kikulu nnyo eri SMT. Nga olondawo abagaba ebintu abafaanagana, ng’oggyeeko ebirungi ebiri mu yinvensulo n’emiwendo, okufaayo okw’enjawulo kulina okussibwa ku oba omugabi alina ttiimu ey’ekikugu ey’ekikugu, ekola kinene nnyo mu kukola ebyuma mu ngeri eya bulijjo mu biseera eby’omu maaso.