Vanopinda nhungamiro-PCB Postcure zvirevo!

  • I. PCB Kudzora Kutsanangurwa

  • 1. PCB kuburitsa uye kuchengetedza (1) PCB bhodhi rakanamwa uye risina kuvhurwa rinogona kushandiswa zvakananga online mukati memwedzi miviri kubva pazuva rekugadzira (2) Zuva rekugadzira bhodhi rePCB riri mukati memwedzi miviri, uye zuva rekuburitsa rinofanira kuiswa chiratidzo mushure mekuburitsa.(3) PCB board yekugadzira zuva iri mukati memwedzi miviri, mushure mekuburitsa, inofanira kunge iri online uye kushandiswa mukati memazuva mashanu.
    2. PCB Postcure
  • (1) Kana PCB yakavharwa uye isina kurongedzerwa kwemazuva anopfuura 5 mukati memwedzi miviri kubva pazuva rekugadzira, ndapota postcure pa120 ± 5 ° C kweawa imwe.(2) Kana PCB inopfuura mwedzi 2 kubva pazuva rekugadzira, ndapota postcure iyo pa 120 ± 5 ° C kweawa imwe isati yaenda paIndaneti.
    (3) Kana PCB iri 2 kusvika 6 mwedzi yapfuura zuva rekugadzira, ndapota postcure pa120 ± 5 ° C kwemaawa maviri usati waenda online.
    (4) Kana PCB iri 6 mwedzi kusvika 1 gore rapfuura zuva rekugadzira, ndapota postcure iyo pa120 ± 5 ° C kwemaawa mana usati waenda online.
    (5) PCB yakabikwa inofanira kushandiswa mukati memazuva mashanu (inoiswa muIR REFLOW), uye PCB inofanira kutumirwa kweimwe awa isati yashandiswa paIndaneti.
    (6) Kana PCB yadarika gore kubva pazuva rekugadzira, ndapota posteri pa 120 ±5°C kwemaawa mana isati yaenda online, uye mozoitumira kufekitari yePCB yekumwaya zvakare marata musati maenda online.3. PCB postcure nzira(1) Mahombe PCB (16 PORTs uye pamusoro, kusanganisira 16 PORTs) anoiswa akatwasuka, murwi wezvimedu zvinosvika makumi matatu, vhura ovheni mukati memaminitsi e10 mushure mekubika kubika, tora PCB, uye utonhodze yakatwasuka (inoda). kudzvanya iyo anti-plate bay fixture)

    (2) Madiki uye epakati-saizi maPCB (kusanganisira 8PORTs pazasi 8PORT) anoiswa akatwasuka. Nhamba yepamusoro ye stack ndeye 40 zvidimbu. Nhamba yemhando yakatwasuka haina muganho. Vhura ovheni uye tora PCB mukati memaminitsi gumi mushure mekunge postcure yapera. Banwan fixture)

II. Kuchengetedza uye postcure yePCBs munzvimbo dzakasiyana
Iyo chaiyo yekuchengetedza nguva uye postcure tembiricha yePCB haina hukama chete nehuwandu hwekugadzira uye maitiro ekugadzira emugadziri wePCB, asiwo ane hukama hukuru nedunhu.

Iyo PCB yakagadzirwa neOSP maitiro uye yakachena kunyudza goridhe maitiro kazhinji ine pasherufu yemwedzi mitanhatu mushure mekurongedza, uye haiwanzo kukurudzirwa kubikira maitiro eOSP.

Iyo yekuchengetedza uye yekubheka nguva yePCB ine zvakawanda zvekuita nedunhu. Kumaodzanyemba, hunyoro hunowanzo kurema, kunyanya muGuangdong neGuangxi. Muna March naApril wegore rimwe nerimwe, pachava ne“kudzokera kumaodzanyemba” mamiriro okunze, ayo ane makore uye anonaya zuva nezuva. Zvichienderera mberi, pakanga paine mwando zvakanyanya panguva iyi. PCB yakafumurwa kumhepo inofanirwa kushandiswa mukati memaawa makumi maviri nemana, zvikasadaro zviri nyore kuita oxidize. Mushure mekuvhura kwakajairika, zviri nani kuishandisa mumaawa masere. Kune mamwe maPCB anoda kubikwa, nguva yekubika ichave yakareba. Mumatunhu ekuchamhembe, mamiriro ekunze anowanzo kuoma, PCB yekuchengetedza nguva ichave yakareba, uye nguva yekubika inogona kupfupika. Tembiricha yekubikira inowanzo 120 ± 5 ℃, uye nguva yekubika inotarwa zvichienderana nemamiriro chaiwo.