Uwukhetha njani umphezulu ochanekileyo wokugqitywa kwePCB yakho?

Nazi ezinye iingcebiso zengcali malunga nokwenza esi sigqibo:

1. Ukufikeleleka

Ngokubhekiselele kuthelekiso phakathi kwe-HASL ekhokelayo kunye ne-HASL ehamba phambili, sinokutsho ukuba yangaphambili ibiza kakhulu.Ke ngoko, ukuba ukuqingqo-mali oluqilima okanye ufuna ukonga imali, ukuya kwi-HASL ekhokelela ekugqibeleni yindlela engcono yokonga imali.

2. Ukuthotyelwa kweRoHS

Ukunikezelwa kwempilo kunye nemiba yokulimala komzimba ehambelana nokusetyenziswa kwezixhobo ze-elektroniki, ubunzulu be-exposure ewela ukukhangela ibhodi yesekethe kuzisa kumsebenzisi kufanelekile.

Ukuthotyelwa kweRoHS ngoku kusemgangathweni kwiiprojekthi ezininzi zePCB kwaye uninzi lwabathengi banikela ingqalelo kweli cala.Ngesi sizathu, ukukhetha i-HASL-free-lead-free bidhaa lukhetho olungcono ukuba ufuna ukwenza iibhodi zesekethe ezihambelana ne-RoHS.

Oku kunjalo ngenxa yokuxinana okukhulu kwetoti kunye nobhedu oluncinane.Njengoko kungekho khokelo lusetyenziswayo apha, unokuqiniseka ukuba imiba yempilo engentle eyiphakamisayo ayonto yakuzikhathaza ngayo.

Umba obalulekileyo wempumelelo, nangona kunjalo, kukuba akukho zixhobo zepitch-pitch kwi-PCB.Amacandelo afana nee-BGA kunye nee-SMDs azifanelekanga kulo mba.

3. Iimfuno zokuqina

Ukongeza ekukhuseleni ubhedu kunye namanye amacandelo abalulekileyo, umsebenzi wonyango lomphezulu kufuneka wandise ekuphuculeni ukuqina kwe-PCB.Okukhona ibhodi iya kuhlala ixesha elide ngenxa yesicelo sayo, kokukhona iya kuhlala ixesha elide.

4. Ukusetyenziswa kunye nokusebenza

Isicelo, okt apho ibhodi eqatywe ngazo naziphi na ezi zigqityiweyo iya kusetyenziswa, yingqwalasela ebalulekileyo.Ngesi sizathu, isicelo okanye imeko yokusetyenziswa kufuneka ithathelwe ingqalelo ukunceda ukwenza ukhetho olufanelekileyo.

5. Qwalasela imekobume

Musa ukubhidanisa okusingqongileyo kunye nesicelo okanye ukusetyenziswa kwimeko.Ngokusingqongileyo apha sithetha uhlobo okanye inqanaba lokuvezwa ibhodi yesekethe eprintiweyo (PCB) enokuthi ibonakale xa sele igqunywe ngomphezulu.

Imekobume idla ngokubhekisa kwinqanaba lobushushu - nokuba libukhali okanye lithambile.Ukufumana iziphumo ezingcono, sebenzisa i-HASL yeemveliso ezingenalo isikhokelo njengoko ihambelana ne-RoHS, eyenza ukuba ibe nobuhlobo kubo bobabini umsebenzisi kunye nokusingqongileyo.

6. Khetha i-ENIG ngaphezu kwe-HASL yonyango lwangaphandle olungenalo ilothe

Iinketho ezintathu (3) eziphambili phambi kwakho kwi-PCB yokugqiba umphezulu yi-HASL, i-HASL Lead Free kunye ne-ENIG.Nangona ezi zixhobo zithathu zineempawu ezahlukeneyo, enye inokuba lukhetho olungcono kunezinye.

Okokuqala, kuya kufuneka ukhethe i-HASL engenakhokele ngaphezu kwe-HASL kuba iyahambelana ne-RoHS, okuthetha ukuba kunokwenzeka ukuyisebenzisela uluhlu olubanzi lokugqitywa kwePCB.Inyani yokuba ibonelela ngokugqwesileyo solderability yenye indawo yokuthengisa.

Kwelinye icala, ukuba ufuna ukonga imali kwaye usebenze kwiiPCB ezifuna amaqondo obushushu asezantsi, ke iHASL lukhetho oluhle.

Ukuba awuqinisekanga ukuba zombini i-HASL ikhokela ngaphandle kunye ne-HASL iya kuwenza umsebenzi, ke ukukhetha i-electroless nickel immersion gold (ENIG) yeyona ndlela ilungileyo.Ukongeza, i-ENIG iphantse ibe neempawu ezifanayo ne-HASL engenalo lead, njengokuthobela i-RoHS.

ND2+N8+AOI+IN12C

I-Zhejiang NeoDen Technology Co., Ltd. ibisenza kwaye ithumela ngaphandle koomatshini abancinci abancinci bokukhetha kunye nendawo ukusukela ngo-2010. Ukuthatha ithuba le-R&D yethu enamava, imveliso eqeqeshwe kakuhle, iNeoDen iphumelela igama elihle kubathengi behlabathi ngokubanzi.

Sikholelwa ukuba abantu abakhulu kunye namahlakani enza iNeoDen ibe yinkampani enkulu kwaye ukuzinikela kwethu kwiNguqu, iyantlukwano kunye noZinzo kuqinisekisa ukuba i-SMT automation iyafikeleleka kuye wonke umntu othanda ukuzonwabisa kuyo yonke indawo.

Yongeza: No.18, Tianzihu Avenue, Tianzihu Town, Anji County, Huzhou City, Province Zhejiang, China

Ifowuni: 86-571-26266266

 


Ixesha lokuposa: Apr-20-2023

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