ʻAʻole ʻike ʻia nā Pads Processing PCBA ma ka ʻikepili kumu

ʻIke ʻia ka hana PCBA ma ke ʻano he chip processing, ʻoi aku ka nui o ka papa luna i kapa ʻia ʻo SMT processing, SMT processing, me SMD, DIP plug-in, post-solder test a me nā kaʻina hana ʻē aʻe, ʻo ka inoa o nā pads ʻaʻole ma ka tin ka mea nui i ka ʻO ka loulou kaʻina hana SMD, kahi paʻi piha i nā ʻāpana like ʻole o ka papa i hoʻomohala ʻia mai kahi papa kukui PCB, ʻo ka papa kukui pcb he nui nā pads (kahi o nā ʻāpana like ʻole), through-hole (plug-in), nā pads ʻaʻole tin. i kēia manawa ʻAʻole liʻiliʻi ke kūlana, akā ma SMT i loko kekahi papa o nā pilikia maikaʻi.
ʻO nā pilikia kaʻina hana maikaʻi, ua paʻa i nā kumu he nui, i ke kaʻina hana maoli, pono e hoʻokumu ʻia ma ka ʻike kūpono e hōʻoia, hoʻokahi e hoʻoponopono, ʻike i ke kumu o ka pilikia a hoʻoponopono.

I. Ka waiho pono ole o ka PCB

Ma keʻano laulā, e ʻike ʻia ka oxidation i hoʻokahi pule, hiki ke mālama ʻia ka mālama ʻana o OSP no 3 mau mahina, hiki ke mālama ʻia ka pā gula sunken no ka manawa lōʻihi (i kēia manawa, ʻo ia ka nui o nā kaʻina hana PCB)

II.Ka hana pono ole

ʻAʻole lawa ka mana wela, ʻaʻole lawa ka mahana, ʻaʻole lawa ka manawa reflow a me nā pilikia ʻē aʻe.

III.ʻO nā pilikia hoʻolālā PCB

ʻO ke ʻano o ka hoʻohui ʻana i ka ʻili keleawe a me ke ʻano o ka hoʻoheheʻe ʻana i ka pad i lawa ʻole.

IV.ʻO ka pilikia flux

ʻAʻole lawa ka hana ʻana o ka flux, ʻaʻole i lawa nā pads PCB a me nā ʻāpana uila solder bit i ka mea oxidation, ʻaʻole lawa ka flux solder joints bit flux, ka hopena i ka pulu maikaʻi ʻole, ʻaʻole i hoʻoulu ʻia ka flux i loko o ka pauda tin, ʻaʻole i hoʻohui pono i ka flux. (Piki ka hoʻi ʻana o ka paʻi solder i ka manawa wela)

V. PCB papa iho pilikia.

ʻO ka papa PCB ma ka hale hana ma mua o ka mālama ʻole ʻia ʻana o ka oxidation o ka papa
 
VI.ʻO ka umu houpilikia

He pōkole loa ka manawa preheating, haʻahaʻa ka wela, ʻaʻole i heheʻe ke kī, a lōʻihi paha ka manawa preheating, kiʻekiʻe loa ka wela, e hopena ai i ka hāʻule ʻana o ka hana flux.

Mai nā kumu i luna aʻe nei, ʻo ka hana ʻana o ka PCBA he ʻano hana ʻaʻole hiki ke sloppy, pono i kēlā me kēia ʻanuʻu ke koʻikoʻi, inā ʻaʻole nui ka nui o nā pilikia maikaʻi i ka hoʻāʻo ʻana ma hope, a laila e hoʻokau i ka nui o ke kanaka. nā poho kālā a me nā waiwai, no laila pono ka hana PCBA ma mua o ka hoʻāʻo mua a me ka ʻāpana mua o SMD.