Yiziphi Izimbangela Nezixazululo Zokuhlanekezeka kwe-PCB?

Ukuhlanekezelwa kwe-PCB kuyinkinga evamile ekukhiqizeni inqwaba ye-PCBA, okuzoletha umthelela omkhulu ekuhlanganiseni nasekuhlolweni.Ungayigwema kanjani le nkinga, sicela ubheke ngezansi.

Izimbangela zokuhlanekezelwa kwe-PCB zimi kanje:

1. Ukukhetha okungalungile kwezinto zokusetshenziswa ze-PCB, njenge-T ephansi ye-PCB, ikakhulukazi i-PCB esephepheni, izinga lokushisa layo lokucubungula liphezulu kakhulu, i-PCB iyagoba.

2. Idizayini ye-PCB engalungile, ukusatshalaliswa okungalingani kwezingxenye kuzoholela ekucindezelekeni okushisayo okudlulele kwe-PCB, futhi izixhumi namasokhethi anomumo omkhulu kuzophinde kuthinte ukunwetshwa kwe-PCB nokufinyela, okuholela ekuhlanekeni unomphela.

3. Izinkinga zokuklama i-PCB, njenge-PCB enamacala amabili, uma i-foil yethusi ngakolunye uhlangothi inkulu kakhulu, njengocingo oluphansi, kanye nocwecwe lwekhopha ngakolunye uhlangothi luncane kakhulu, luzobangela nokuncipha kokungalingani nokuguqulwa izinhlangothi zombili.

4. Ukusetshenziswa okungalungile kwendawo noma ibanga lendawo kuncane kakhulu, njengeumshini we-wave solderinguzipho lomunwe luqine kakhulu, i-PCB izonwebeka futhi ishintshe ngenxa yezinga lokushisa lokushisela.

5. Izinga lokushisa eliphezulu kureflow ovenukushisela nakho kuzodala ukuhlanekezelwa kwe-PCB.

Ngenxa yalezi zizathu ezingenhla, izixazululo zimi kanje:

1. Uma intengo nesikhala sivuma, khetha i-PCB ene-Tg ephezulu noma ukhuphule ukujiya kwe-PCB ukuze uthole isici esingcono kakhulu.

2. Yakha i-PCB ngokunengqondo, indawo ye-foil yensimbi enezinhlangothi ezimbili kufanele ilingane, futhi ungqimba lwethusi kufanele lumbozwe lapho ungekho umjikelezo, futhi luvele ngendlela yegridi ukwandisa ukuqina kwe-PCB.

3. I-PCB ibhakwa ngaphambiliniUmshini we-SMTngo-125℃/4h.

4. Lungisa indawo noma ibanga lokubopha ukuze uqinisekise isikhala sokunwetshwa kokushisisa kwe-PCB.

5. Izinga lokushisa lenqubo yokushisela liphansi ngangokunokwenzeka, ukuhlanekezela okuncane kuvele, kungafakwa endaweni yokubeka, ukusetha kabusha izinga lokushisa, ukukhulula ukucindezeleka, imiphumela eyanelisayo ngokuvamile izotholakala.