He aha kaʻu e hoʻolohe ai i ka hoʻomaʻemaʻe ʻana i ka papa PCBA

I kaSMTʻO ke kaʻina hui mauna ʻili, hana ʻia nā mea koena i ka wā o kaHui PCBhoʻoheheʻe ʻia e ka flux a me ka solder paste, aia nā ʻāpana like ʻole: nā mea kūlohelohe a me nā ion decomposable.He mea ʻino loa nā mea olaola, a ʻo nā koena ion ma nā pad solder hiki ke hana i nā hewa pōkole.Eia hou, nui nā mea koena ma kaPCBAʻano lepo ka papa a ʻaʻole hoʻokō i nā koi maʻemaʻe o ka mea hoʻohana hope.No laila, ʻaʻole hiki ke hoʻomaʻemaʻe i kaPCBApapa.Eia naʻe,Nā papa PCBAʻAʻole pono e hoʻomaʻemaʻe wale ʻia, a pono e hahai ʻia nā koi a me ka mālama ʻana i ka wā e hoʻohana ai i ka aPCBAmīkini hoʻomaʻemaʻe.

Eia ka wehewehe kikoʻī o kekahi mau pilikia maʻamau i ka wā o kaPapa PCBAkaʻina hana hoʻomaʻemaʻe:

ʻO ka mea mua, ma hope o ka hui ʻana a me ke kūʻai ʻana o kapapa kaapuni pai pono e hoʻomaʻemaʻe ʻia i ka hikiwawe loa e wehe i ke koena flux, solder, a me nā mea haumia ʻē aʻe mai ka papa kaapuni i paʻi ʻia (no ka mea, e paʻa mālie ke koena i ka manawa, e hana ana i nā mea ʻino e like me nā paʻakai metala halide).Ma ka ʻaoʻao ʻē aʻe, i ka wā hoʻomaʻemaʻe, pono e pale aku i nā mea hoʻomaʻemaʻe ʻino mai ke komo ʻana i nā mea uila i hoʻopaʻa ʻole ʻia e pale i ka pōʻino a i ʻole ka hōʻino huna ʻana i nā ʻāpana.

Ma hope o ka hoʻomaʻemaʻe ʻana i nā ʻāpana papa kaapuni i paʻi ʻia, pono e waiho ʻia i loko o ka umu ma 40 ~ 50 ° C a hoʻomoʻa ʻia no 20-30 mau minuke, ʻaʻole pono e hoʻopā ʻia nā mea me nā lima ʻole ma mua o ka maloʻo loa.Eia kekahi, ʻaʻole pono ka hoʻomaʻemaʻe ʻana i kaʻāpana uila, hoailona, ​​solder joints, and the printed circuit board