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Āwīwī! Wale 1000 nā mea i waiho ʻia i ka waihona
1000 i na holoholona
Pono e loaʻa i ka poʻe e hana ana i nā mea kūʻai aku i loko o kēia pahu!
Hoʻolālā akamai: Hāʻawi ke kākoʻo ʻenehana hou, ʻano hoʻohālikelike kemika kūikawā i ka pulu maikaʻi loa e hōʻoia i ka hilinaʻi kiʻekiʻe. Hoʻololi ʻia ia i ka ʻoihana hoʻoponopono kelepona paʻa, nā ʻoihana lawelawe kikohoʻe kamepiula a me nā hana hoʻoheheʻe kiʻekiʻe kiʻekiʻe e kūʻai aku ana i ka SMT/BGA.
Hoʻolaʻa ʻia ka PCB/BGA: ʻO ke kūlana kiʻekiʻe, ʻano ʻokoʻa, hana maikaʻi loa, maʻalahi e wili, ʻālohilohi a piha ka hui kūʻai ʻana, ʻaʻohe wili, wili hoʻopunipuni.
Pili pili: ʻO ke koena he kala ʻole a ʻike maopopo, ʻaʻole pili i ka ʻike, hoʻopau a me ka hana hoʻomaʻemaʻe maikaʻi loa. ʻO ka hoʻohana ʻana i nā mea hana thixotropic ikaika, ka paʻi ʻana a me ka preheating precipitation, ka soldering kūikawā e hōʻoia i ka paʻi maikaʻi a me ke ʻano maikaʻi.
Ka lōʻihi hoʻololi: Anti-wetting, anti-drying, ʻano lōʻihi ke ola ma ka lumi wela. ʻO ka paʻi solder kūlana kiʻekiʻe kūʻokoʻa, ka ʻiʻo lahilahi a maʻalahi (10 cc/supply), hiʻohiʻona maʻalahi.
He aha ka solder tin paste?
He ʻano mea hoʻoheheʻe hou ia e hele mai me SMT.
He ʻōnaehana paʻakikī ʻo Solder paste me kahi paʻi o ka pauka solder, flux a me nā mea hoʻohui ʻē aʻe.
I ka mahana maʻamau, loaʻa kahi viscosity o ka solder tin paste, a hiki ke hoʻopili mua ʻia ka mea uila i kahi kūlana i koho mua ʻia.
Ma ka wela kūʻai, hoʻohui ʻia ka mea i hoʻopaʻa ʻia a me ka paʻi kaapuni i paʻi ʻia me ka evaporation o ka solvent a me kekahi mau mea hoʻohui (pili paʻa.).
ʻano pale:
Pono e mālama ʻia ka paʻi solder ma 1-10 ℃.
Ma mua o ka wehe ʻana, pono e hoʻonui ʻia ka mahana o ka solder paste i ka mahana ambient (25 ℃), a ʻo ka manawa hoʻihoʻi o ka mahana ma kahi o 3-4 mau hola.
Pono e hoʻohana ʻia ka paʻi solder no 6 mahina.
ʻAʻole pono e waiho ʻia ka paila solder i ka lā.
Kauwehe:
E hoʻohana wale me ka Ventilation kūpono.
Loaʻa i ka solder paste ka solvent organik. E pale i ka pili pinepine me ka ili. Inā loaʻa ka paʻi solder ma kou ʻili, holoi me ka waiʻona a holoi pono me ka wai.
Hōʻalo i ka launa me nā maka.
E mālama mamao aku i nā keiki.
ʻO KĀWAI
Kūpono mākou hāʻawi mākou i kekahi o nā huahana ʻoi loa o ka mākeke. No laila, hāʻawi mākou i kahi hōʻoia 30 lā.
E hana mākou i nā hana āpau e hōʻoia ai ua māʻona loa ʻoe i kāu kūʻai.
Hiki ke hoʻoweliweli i ke kūʻai pūnaewele ʻana. Makemake mākou e ʻike ʻoe aia loa ka makaʻu ʻole i ke kūʻai ʻana i kekahi mea.ʻAʻole mākou e hana paʻakikī inā ʻaʻole ʻoe e aloha iā ia.
Hā'awi mākou maila me ke kākoʻo tiketi 24 hola i ka lā, 7 lā o ka pule.Inā makemake ʻoe i kōkua, e ʻoluʻolu kāhea iā mā ou.E ʻoluʻolu e kāhea i ka lawelawe mea kūʻai aku inā loaʻa iā ʻoe kahi pilikia me kāu kūʻai.
ʻO Jerry R. -
Ma hope o ka hakakā ʻana me ke kūʻai ʻana i nā ʻāpana SMT no nā makahiki he nui, ua ʻike au i kēia mea kūʻai hou Tin / Bismuth / Silver ma Amazon. ʻAe, he mea hou ia iaʻu, ʻoiai ua hoʻohana au i ka solder tin/lead no nā makahiki he ʻumi. Ua kūʻai au i paipu, hoʻohuli i kaʻu pū wela i 310 (mai 350) a hiki ke kūʻai aku i nā mea liʻiliʻi e like me ka wā ma mua. ʻO ka ʻokoʻa ka pō a me ke ao. Inā ʻoe e hoʻohana mau ana i ka tin/lead ma nā prototypes SMD/SMT i hui lima ʻia a laila ʻaiʻē ʻoe iā ʻoe iho e hoʻolilo i kekahi mau kālā i ka hoʻāʻo ʻana i kēia huila haʻahaʻa haʻahaʻa hou. Ua kiola aku au i ka'u mau pahu pahu pahu tin-lead. ʻAʻole leʻaleʻa iki ke kūʻai aku me ka ea wela ma 340-360, ua hoʻihoʻi maoli kēia mea i ka ʻakaʻaka i koʻu alo.