Menene reflow soldering?
Reflow soldering yana nufin amfani da manna solder don haɗa ɗaya ko fiye da kayan lantarki zuwa gamman lamba, da kuma narkar da solder ta hanyar dumama mai sarrafawa don samun haɗin kai na dindindin.Ana iya amfani da hanyoyin dumama daban-daban kamar tanda mai sake kwarara, fitulun dumama infrared, ko bindigogi masu zafi.don walda.Sake-sake siyarwar ita ce hanyar da aka fi amfani da ita don haɗa abubuwan lantarki zuwa allon da'irar bugu ta fasahar hawan saman ƙasa.Wata hanya kuma ita ce haɗa kayan aikin lantarki ta hanyar hawan ramuka.
Aikin moto na reflow soldering?
Yanayin zafin aiki na reflow soldering yana da girma sosai, kuma babban aikin motar shine motsa motar iska don watsar da zafi.
Yankunan zafin jiki nawa ne suke da siyarwar sake kwarara?Menene zafin jiki?Wane yanki ne mabuɗin?
Chengyuan reflow soldering an kasu kashi hudu zafin jiki yankunan bisa ga aikin yankin zafin jiki: dumama yankin, akai zazzabi yankin, soldering yankin, da sanyaya yankin.
Common reflow soldering a kasuwa hada da takwas zafin jiki zone reflow soldering, shida zazzabi zone reflow soldering, goma zazzabi zone reflow soldering, goma sha biyu zazzabi zone reflow soldering, goma sha huɗu zafin jiki yankin reflow soldering, da dai sauransu Wadannan za a iya kerarre bisa ga abokin ciniki bukatun.Koyaya, yankin zafin jiki takwas ne kawai ke sake kwararar siyarwar ya zama ruwan dare a cikin ƙwararrun kasuwa.Don sake jujjuyawa a cikin yankuna takwas na zafin jiki, saitin zafin kowane yankin zafin jiki yana da alaƙa da manna solder da samfurin da za a siyar.Ayyukan kowane yanki yana da matukar mahimmanci.Gabaɗaya magana, an yi amfani da shiyya ta farko da ta biyu azaman wuraren da ake yin zafi, kuma na uku da na huɗu su ne wuraren da ake yin zafi.Constant zafin jiki zone, 678 a matsayin waldi zone (mafi muhimmanci su ne wadannan uku zones), 8 zones kuma za a iya amfani da matsayin taimako zone na sanyaya yankin, da sanyaya yankin, wadannan su ne ainihin, ya kamata a ce 'yan kaɗan. yankuna sune maɓalli , Dole ne a inganta ingancin samfur, wane yanki shine maɓalli!
1. Yankin preheating
Yankin preheating yana mai zafi zuwa digiri 175, kuma tsawon lokacin shine kusan 100S.Ana iya gani daga wannan cewa za'a iya samun ƙimar dumama na yankin preheating (saboda wannan mai ganowa yana ɗaukar gwajin kan layi, bai shiga yankin preheating na wani lokaci daga 0 zuwa 46S., duration 146-46=100S). tun da yawan zafin jiki na cikin gida shine 26 digiri 175-26 = 149 digiri na dumama digiri;
2. Yankin zafin jiki na dindindin
Matsakaicin zafin jiki a cikin yankin zafin jiki na yau da kullun yana kusa da digiri 200, tsawon lokacin shine 80 seconds, kuma bambanci tsakanin babban zafin jiki da ƙananan zafin jiki shine digiri 25.
3. Yankin sake kwarara
Matsakaicin zafin jiki mafi girma a cikin yankin reflow shine digiri 245, mafi ƙarancin zafin jiki shine digiri 200, kuma lokacin isa ga mafi girma shine kusan 35/S;dumama a cikin reflow zone
Rate: 45 degrees/35S=1.3 degrees/S Dangane da (yadda ake saita yanayin zafin jiki daidai), ana iya ganin cewa lokacin da wannan yanayin zafin zai kai ga ƙimar ƙimar ya yi tsayi da yawa.Duk lokacin sake gudana yana kusan 60S
4. Yanki mai sanyaya
Lokacin a cikin yankin sanyaya yana kusan 100S, kuma zafin jiki yana raguwa daga digiri 245 zuwa kusan digiri 45.Gudun sanyi shine: 245 digiri - digiri 45 = digiri 200 / 100S = digiri 2 / S
Lokacin aikawa: Juni-12-2023