I mea e maʻalahi ai i ka hana ʻana, pono ka hoʻolālā ʻana o ka humuhumu PCB e hoʻolālā i ka Mark point, V-slot, kaʻina hana.
I. ʻO ke ʻano o ka papa ʻōlelo
1. Pono e hoʻopaʻa ʻia ka ʻaoʻao o waho o ka PCB splicing board (clamping edge) i mea e hōʻoia ai ʻaʻole e deformed ka PCB splicing board ma hope o ka hoʻopaʻa ʻia ʻana i ka mea hoʻopili.
2. PCB splice laula ≤ 260mm (SIEMENS laina) aiʻole ≤ 300mm (FUJI laina);inā makemake ʻia ka hāʻawi ʻana, PCB splice laula x lōʻihi ≤ 125 mm x 180 mm.
3. Pcb splicing board shape like close to the square as possible, paipai 'ia 2 × 2, 3 × 3, …… splicing board;aka, mai kala i ka papa yin a me yang.
II.V-slot
1. ma hope o ka wehe 'ana i ka V-slot, ke koena mānoanoa X e (1/4 ~ 1/3) papa mānoanoa L, akā, ka palena iki mānoanoa X pono e ≥ 0.4mm.Hiki ke lawe i ka palena o luna o ka papa haʻahaʻa kaumaha, ka palena haʻahaʻa o ka papa haʻahaʻa māmā.
2. ʻO ka V-slot ma nā ʻaoʻao ʻelua o nā notches luna a me lalo o ka misalignment S e emi iho ma mua o 0.1mm;ma muli o ka liʻiliʻi o ka mānoanoa kūpono o nā kapu, ʻo ka mānoanoa o lalo o 1.2mm papa, ʻaʻole pono e hoʻohana i ka V-slot spell board ala.
III.Mark kiko
1. E hoʻonoho i ka helu kuhikuhi, maʻamau ma ka wahi hoʻonohonoho a puni ka waiho ʻana he 1.5 mm ka nui ma mua o kona wahi kūʻai kūʻai ʻole.
2. Hoʻohana ʻia e kōkua i ka hoʻonohonoho ʻana o ka mīkini hoʻokomo i kahi pahu pahu PCB papa diagonal ma ka liʻiliʻi ʻelua asymmetric kuhikuhi kikoʻī, ʻo ka PCB optical positioning me ka helu kuhikuhi ma ke ʻano holoʻokoʻa PCB diagonal kūlana kūpono;ʻO kahi ʻāpana o ka PCB optical positioning me ka helu kuhikuhi ma ka ʻāpana o ka PCB diagonal kūlana kūpono.
3. no ke alakai spacing ≤ 0.5mm QFP (square flat package) a me ka poepoe spacing ≤ 0.8mm BGA (ball grid array package), i mea e hoonui ai i ka pololei o ka hoonoho ana, na koi o ka IC elua diagonal set of reference point.
IV.ʻO ke kaʻina hana
1. ʻO ka papa waho o ka papa paʻi a me ka papa liʻiliʻi i loko, ka papa liʻiliʻi a me ka papa liʻiliʻi ma waena o ka wahi pili kokoke i ka hāmeʻa ʻaʻole hiki ke nui a i ʻole nā mea hoʻopuka, a ʻo nā ʻāpana a me ka lihi o ka papa PCB pono e waiho ʻia me nā mea ʻoi aku 0.5mm o ke ākea e hōʻoia i ka hana maʻamau o ka mea ʻoki.
V. na puka hoonoho papa
1. no ka PCB kūlana o ka papa holoʻokoʻa a no ka hoʻonohonoho 'ana i ka maikai-pitch mea benchmark hōʻailona, ma ke kumu, he pitch o emi malalo o 0.65mm QFP pono e kau ma kona diagonal kulana;Pono e hoʻohana ʻia nā hōʻailona paena PCB subboard, i hoʻonohonoho ʻia ma ka diagonal o nā mea hoʻonohonoho.
2. Pono e waiho ʻia nā ʻāpana nui me nā kolamu hoʻonohonoho a i ʻole nā puka hoʻonohonoho, e kālele ana e like me nā pilina I/O, nā microphones, nā pilina pākaukau, nā microswitches, nā headphone headphone, nā motika, etc.
ʻO kahi mea hoʻolālā PCB maikaʻi, i ka hoʻolālā collocation, e noʻonoʻo i nā kumu o ka hana, e hoʻomaʻamaʻa i ka hana, hoʻomaikaʻi i ka hana hana a hoʻemi i nā kumukūʻai hana.
Ka manawa hoʻouna: Mei-06-2022