Te rere o te tukanga huihuinga PCBA

Te kitenga wā-tūturu o te hurihanga o te polarity o ngā wāhanga, ngā wāhanga ngaro, me te taupatupatu. Ko te tere mōhio he ≤0.1s/wāhanga, ā, ko te reiti tika he >99.9%.

① Aroturukihia te pakaru o te tīwiri mata i roto i ngā pūoko wiri (te reiti tika o te matapae >95%); ② Whakangunguhia ngā tauira i runga i ngā raraunga o mua hei hoatu i tētahi whakatūpato 72-hāora i mua i te paunga o te ora o te pūwero.

Me ≤2 ngā wā o te taumaha o te wāhanga te pēhanga, ā, me ≤5% te rerekētanga o ngā mata/poro whakapiri hei ārai i ngā kino ā-mīhini.

Me kore ngā matū kino pēnei i te Pb, Hg, Cd i roto i ngā hinu whakahinuhinu, ā, me ≤0.1% te nui o te SVHC (Ngā Matū e Tino Whakararuraru Ana) i roto.

① Whakatakotoria ngā wāhanga nunui ki te taha honohono-ngaru i te tuatahi (pērā i ngā hononga); ② Kātahi ka whakatakotoria ngā wāhanga moroiti ki te taha honohono-whakahoki (pērā i te 01005) hei karo i te pānga o te wera tuarua ki ngā wāhanga iti.

① Mō te ENIG, me whakahaere te matotoru o te paparanga nikara (5 - 8μm) kia kore ai e pango ngā papa; ② Mō te OSP, me whakaoti te whakatakotoranga i roto i ngā haora 24 kia kore ai e waikura te mata parahi; ③ Mō te HASL, me mārama te papatahi o te papa (≤0.05mm).

Me horoi ngā pūwero e whakamahia auau-rahi ana (pēnei i te BGA) i ia 4 hāora kia kore ai e heke te kaha mimiti e puta mai ana i te toenga o te whakapiri konukōre.

Whakamahia ngā Whāngai atamai (me te mahi mahara) hei penapena i ngā tawhā whāngai o ngā wāhanga rerekē, ā, ka taea te whakapoto i te wā whakawhiti ki roto i te 5 meneti.

Arotauhia te tohatoha wāhanga mā te pūmanawa whakatauira tukanga (pēnei i a Valor) kia ≤5% te rerekētanga o te kawenga mahi mō ia upoko whakanoho.

① Whakamahia he hoahoa ā-pūrua (pērā i ngā pane tere-rahi e whakahaere ana i ngā wāhanga iti, ngā pane tino-tika e whakahaere ana i te BGA); ② Tukutahitia ngā ara nekehanga o ia pane whakanoho mā te pūnaha whakahaere pokapū.

① Whakamahia he hoahoa ā-pūrua (pērā i ngā pane tere-rahi e whakahaere ana i ngā wāhanga iti, ngā pane tino-tika e whakahaere ana i te BGA); ② Tukutahitia ngā ara nekehanga o ia pane whakanoho mā te pūnaha whakahaere pokapū.

① Whakanuia te pāmahana whakamahana mā te 10 - 15℃; ② Whakaroahia te pāmahana tino tiketike mā te 5 - 8 hēkona; ③ Whakaitihia te tere whakamatao ki te ≤2℃/s hei ārai i te pakaru o roto o te papa.

① Whakamahia ngā whāngai atamai hei tautuhi aunoa i ngā momo wāhanga; ② Whirihorahia he pūnaha tūnga peihana wiri me te tirohanga kia hototahi ki ngā wāhanga papatipu me te rīpene - me - te tīra.

Ko te tere whāngai o te whāngai (te nuinga o te wā ≤200 ngā wā/meneti) me te pai o te whakawhiti PCB ngā arai matua.

① Whakatūria ngā ārai rama haumaru (wā urupare ≤20ms); ② Kāore e whakaaetia te whakatuwhera i te tatau tiaki i te wā e whakahaerehia ana te taputapu (me whirihora ngā taputapu raka); ③ Me mau ngā koti whakatūpato whakaata a ngā kaiwhakahaere.

① Whakamahia he whakapiri whakarewa iti-toenga kāore e horoia (ko te ihirangi totoka rere ≤1.5%); ② Horoia ki te wai whakakore iona i muri i te whakatakotoranga (ātete ≥18MΩ・cm).

Ka taea e ia te urutau ki ngā rahi rerekē o ngā wae (mai i te 01005 ki te 50mm×50mm), ā, ka whakaitihia te panonitanga ki te 1/3 o ngā taputapu tuku iho.

① Me tutuki te paerewa Akomanga 1 (mana ≤0.5mW) i te akomanga taiaho; ② Me hiri te anga taputapu kia kore ai e turuturu te taiaho; ③ Ka mau ngā kaiwhakahaere i ngā mōhiti tiaki taiaho.

Me ≤3,520 ngā wahi/m³ o te kukū o ngā matūriki puehu >5μm. Ki te kore, ka ārai pea ngā mea ke i te wā e mimiti ana ngā wāhanga (ka whakaitihia te hua o te 3–5%).

Me whakamātautau anō te matotoru o te whakapiri whakarewa (me 80–120Pa·s) me te thixotropy (te hekenga ≤2mm), ā, ka taea anake te whakamahi i muri i te putanga o te whakamātautau.

① Uara Cpk (me ≥1.33); ② Tika o te auautanga (3σ ≤±0.02mm); ③ Te rerekētanga i waenga i te tika pūmau me te tika hihiri (me ≤10%).

① Whakatūria he pūnaha ārai hapa (pēnei i te manatoko tau-rua o ngā wāhanga); ② Me aroturuki tonu ngā tawhā tukanga matua (pēnei i te pēhanga, te pāmahana) me te penapena mō ngā tau 10; ③ Me tirotirohia katoatia te wāhanga tuatahi o ia nekehanga.

① Whakapai ake i ngā tawhā whāngai a te kaiwhāngai (pēnei i te auau wiri); ② Horoia auautia ngā pūwero me ngā paipa korehau; ③ Whakatūria he tukanga hangarua mō ngā wāhanga kua whakakahoretia (pēnei i te tātari i ngā wāhanga 0402 ka taea te whakamahi anō).

① Kawemai i te kōnae hoahoa PCB; ② Whakatakotoria ngā ture whakarerekētanga o te pūwero me te raupapatanga o te kohi wāhanga; ③ Whakahaerehia ngā rauropi whakatauira (pēnei i ngā rauropi ira) hei tatau i te ara poto rawa atu, hei whakaiti hoki i te wā haere mangere.

① Tuhia te wā whakatakotoranga, te tau taputapu, me ngā wā whakamahinga o te pūwero o ia PCB; ② Honoa te tau puranga wāhanga ki te tūranga whāngai hei raka wawe i te puranga raruraru.

① Whakawhanakehia ngā horopaki whakangungu VR (pēnei i te whakatauira i te whakakapinga o te pūwero, te whakatika hapa i te whāngai); ② Whakatūria he tikanga urupare mō ngā mahi hē (pēnei i te takahanga o ngā wāhanga mariko); ③ Tuhia ngā raraunga whakahaere hei aromatawai i te whai huatanga o te whakangungu.

Whakanuia ngā rīpene kawe kirihou kawe hiko, ngā paepae ārai-whakarewa rānei. Me tukatuka i te takai ki te ionization i mua i te whakatuwheratanga.

① Horoia te arotahi me te pūtake mārama; ② Whakatikatikahia te whakanui kāmera me te wā whakaatu; ③ Tirohia mēnā kua waikura, kua poke rānei ngā pūwāhi Tohu; ④ Whakakapia ngā pūwāhi Tohu ki ngā āhua rerekē (pēnei i te huri mai i te porowhita ki te āhua ripeka).

Kāore i te pai te thixotropy o te whakapiri whakarewa, te roa rānei o te wā noho i muri i te tānga (>2 hāora). Me whakahaere te pāmahana o te awheawhe ki te 23±2℃, me te haumākū ki te 50±5% RH.

① Mō ngā wāhanga nunui (pērā i te QFP), me whakarite te tika (tere ≤30mm/s); ② Mō ngā wāhanga iti (pērā i te 0402), ka taea te whakanui ake i te tere ki te 80 - 100mm/s, ā, ka taea te whakapai ake i te tika mā te whakatikatika tirohanga.

Kaua e whakatakoto i ngā wāhanga kāore anō kia whakatikatikaina, kaua e whakamahi i ngā pūwero e nui rawa ana te pakaru, ā, kaua hoki e hanga PCB me te kore e tirotirohia tuatahitia.

① Kua āraia te diameter o roto o te pūwero (me whakakore ki te ngira maitai 0.2mm); ② Kua rahua te whakaputa korehau (te nekehanga korehau

E taunakihia ana kia kohia ngā tawhā matua (pēnei i te pēhanga, te rerekētanga o te tūranga) ia 0.5 hēkona. Mēnā neke atu i te 1 hēkona te roa o te whakaroa raraunga, ka kore pea e kitea ngā hapa o te kounga.

Whakatikatikahia kotahi i muri i te whakakā - i ia rā, i muri rānei i te hanga i te 50 PCB, kia ≤ ±0.02mm te tika o te whakarārangi i waenga i ngā wāhanga me ngā papa.

Me whakahinuhinu i ia 200 hāora o te mahi. Mēnā kāore he hinu, ka nui ake te hapa tuku (pēnei i te peka tūnga tuaka X/Y >0.03mm).

Tīpakohia kia toru ngā pūwāhi Tohu i ngā tūranga rerekē o te PCB, ka whakataurite i te teitei o te pūwero i te tuaka-Z. Me ≤±0.005mm te hapa.

① Ngā mātāpono taputapu me te hōtaka (pēnei i te G-code, teach-pendant programming); ② Te arotau i ngā tawhā tukanga (pēnei i te pēhanga, ngā pihi pāmahana); ③ Te tautuhi hapa me te tiaki ārai; ④ Te whakamahi i ngā taputapu kounga (pēnei i te SPC, FMEA).

① Whakamahia ngā pūwero uku, ngā pūwero sima rānei (ka whakanuia te roa o te ora mā te 3 - 5 ngā wā); ② Whakatūria he tukanga whakahou pūwero (pēnei i te whakatika i te mata tawhito mā te whakamahi i te rēseri).

① Tāpirihia ngā kōwae rorohiko taha (pērā i ngā kēti PLC); ② Whakamahia te kawa OPC UA hei whakatutuki i te whakawhitiwhiti kōrero i waenga i ngā taputapu; ③ Whakatūria he pokapū raraunga hei penapena raraunga whakaputa wā-tūturu.

Me whai pūnaha tinei ahi hau kore mahi, ā, me whakahaere te kukū hāora i roto i te awheawhe i waenga i te 18 - 21%.

Me ≤1 hāora te roa o te wā mai i te tānga ki te whakatakotoranga kia kore ai e mimiti te makuku i te whakapiri honohono, ā, kia kore ai e puta he āputa i te honohono anō.

He teitei te pāmahana rewa o te tūhono kore-mata (tata ki te 217℃), ā, ka piki ake te whakapaunga pūngao o te tūhono anō mā te 15 - 20%. Ka taea te whakaiti i te whakapaunga pūngao mā te arotau i te pihi pāmahana oumu (pēnei i te whakapoto i te wā pupuri).

① Manatokohia te arorau o te hōtaka i mua i te wā (whakaitihia te wā patuiro i te papaanga mā te 50%); ② Whakatauirahia ngā āhuatanga mahi tino uaua hei whakamātautau i te pumau o ngā taputapu; ③ Whakangunguhia ngā kaiwhakahaere me te kore e whakamahi i ngā taputapu tūturu.

① Waiho he taha tukanga ≥5mm mō te whakau i ngā mea whakakī; ② Me ≥3mm te tawhiti i waenga i ngā wāhanga tata hei karo i te pokanoa i te wā e rehu ana te tine.

① Me whakarato he rārangi rauemi (BOM) mō ia puranga wāhanga; ② Me tuhi te tohu a te kaiwhakahaere me te wā mahi i te wā e whakatakotoranga ana; ③ Me tirotirohia ngā hononga honohono ki te hihi-X 100%, ā, me tiaki ngā rekoata whakaahua.

Mō ngā wāhanga o te 0402 me runga ake, me ≤0.5% te auau whakakorenga; mō ngā wāhanga moroiti o te 0201 me raro iho, me ≤1.5% te auau whakakorenga.

Arotakenga ā-whaiaro a te kaiwhakahaere → Arotakenga anō a te kaiārahi tīma → Arotakenga tauira a te kaitirotiro kounga. Ka whakaaetia te whakaputanga papatipu i muri i te whakaūnga anake.

Mā te koki rerekētanga neke atu i te 5° ka hē te tūnga o ngā taura/poro me ngā papa honohono, ka nui ake te tūponotanga o te hononga honohono, te honohono teka rānei. Me whakatikatika, me whakatika mā te pūmanawa taputapu.