PCBA Thermal Pads Design Izidingo

1. Iyini i-thermal pad

Okubizwa ngokuthi ama-thermal pads, kubhekisela phansi kwezingxenye ezinohlangothi lwensimbi lwamapayipi okushisa okushisa ukushisa, ngokuvamile amandla amancane, ikakhulukazi ngamapayipi okushisa okushisa emigodini yokushisa ukushisa kuya phansi.Ukuze kuncishiswe ukushisa okungcono, ngezinye izikhathi kudingeka udizayine imbobo yesinki yokushisa yembobo edlulayo (hhayi imbobo yepulaki), ukuze i-solder encibilikisiwe igeleze iye ngemuva, ukwakheka kobuhlalu bethini, ngaleyo ndlela kuthinte ukuphrinta kokunamathisela kwe-solder. ubuso bobuhlalu.

2. Izidingo zokuklama

(1) Ukuze kuncishiswe isenzakalo sobuhlalu bethini, imbobo ingaklanywa ububanzi be-≤ 0.30mm noma ≥ 0.80mm imbobo;I-resin plug hole surface plating (POFV) design ingasetshenziswa.

(2) Beka wonke amaphedi osinki oshisayo endaweni yesibili yokunamathisela ukuze wamukele ubuhlalu bukathayela.

(3) Dizayina isendlalelo senqubo yokushisa.Uma ukushuba kwebhodi le-PCB <2.4mm, kanye nenani lezendlalelo zomhlabathi ezixhunywe emgodini wokushisa wokushisa < izingqimba ezine, i-solder encibilikisiwe evamile izogeleza emgodini wokushisa wokushisa kanye nokwakheka kobuhlalu be-tin.Ngakho-ke, kunconywa ukuthi uma inani lezendlalelo zomhlabathi ezixhunywe nosinki wokushisa < izingqimba ezine, ungakwazi ukuklama ungqimba wenqubo yokushisa (yebo, inani lezendlalelo ze-PCB kufanele likwazi ukufeza), inqobo nje uma ukushisa usinki uxhunywe endaweni yethusi enkulu ngaphezu kwezingqimba eziyisithupha, ngokuvamile ngeke yakha isenzakalo se-tin bead.

Izici zeI-NeoDen IN12C i-reflow oven

1. Isistimu yokuhlunga intuthu eyakhelwe ngaphakathi, ukuhlunga okusebenzayo kwamagesi ayingozi, ukubukeka okuhle nokuvikelwa kwemvelo, okuhambisana kakhulu nokusetshenziswa kwendawo ephezulu.

2. Uhlelo lokulawula lunezici zokuhlanganiswa okuphezulu, ukuphendula ngesikhathi, izinga lokuhluleka eliphansi, ukugcinwa okulula, njll.

3. Umklamo wemojula yokushisa oyingqayizivele, ngokunemba okuphezulu kokulawula izinga lokushisa, ukusatshalaliswa kokushisa okufanayo endaweni yesinxephezelo esishisayo, ukusebenza kahle okuphezulu kwesinxephezelo esishisayo, ukusetshenziswa kwamandla aphansi nezinye izici.

4. enhle futhi inomsebenzi we-alamu obomvu, ophuzi nohlaza womklamo wenkomba.

5. I-track drive motor eyenziwe ngokwezifiso ngokwezici zebhande le-B-uhlobo lwe-mesh, ukuqinisekisa isivinini esifanayo nokuphila isikhathi eside.

ND2+N10+AOI+IN12C


Isikhathi sokuthumela: Nov-15-2022

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