HEAHA KE KELE BOLA SOLDER?

ʻO ka pōleʻa solder kekahi o nā hemahema reflow maʻamau i ka wā e hoʻohana ana i ka ʻenehana mauna ʻili i kahi papa kaapuni paʻi. ʻOiaʻiʻo i ko lākou inoa, he pōpō solder lākou i hoʻokaʻawale ʻia mai ke kino nui i hana i ka hui pū ʻana i nā ʻāpana mauna i ka papa.

He mau mea conductive nā pōlele solder, ʻo ia hoʻi, inā e ʻōwili lākou ma luna o ka papa kaapuni i paʻi ʻia, hiki iā lākou ke hana i nā pōkole uila, e hoʻopilikia i ka hilinaʻi o ka papa kaapuni paʻi.

Ma kaIPC-A-610, he hemahema ka PCB me 5 mau pōpō solder (<=0.13mm) i loko o 600mm², no ka mea, ua kū'ē ke anawaena oi aku ma mua o 0.13mm i ke kumu hoʻomaʻemaʻe uila haʻahaʻa. Eia nō naʻe, ʻoiai ke ʻōlelo nei kēia mau lula e hiki ke waiho ʻia nā pōpō solder inā paʻa paʻa lākou, ʻaʻohe ala maoli e ʻike maopopo ai inā ʻo ia.

Pehea e hoʻopololei ai i nā pōlele kūʻai ma mua o ka hiki ʻana mai

Hiki ke hoʻokumu ʻia nā pōpō solder e nā ʻano kumu like ʻole, i mea paʻakikī ke ʻike i ka pilikia. I kekahi mau hihia, hiki iā lākou ke ʻokoʻa. Eia kekahi mau kumu maʻamau i hoʻokumu ʻia nā pōpō solder i ke kaʻina hana PCB.

Haʻahaʻa–Māmāua lilo i mea nui loa no nā mea hana papa kaapuni paʻi i kēia mau lā. Ma waho aʻe o ka hopena popcorn a me ka microscopic cracking, hiki iā ia ke hoʻokumu i nā pōpō solder ma muli o ka pakele ʻana o ka ea a i ʻole ka wai. E hōʻoia i ka maloʻo pono ʻana o nā papa kaapuni i paʻi ʻia ma mua o ka hoʻohana ʻana i ka solder, a i ʻole e hana i nā hoʻololi e hoʻomalu i ka haʻahaʻa i loko o ka hale hana.

Pākuʻi Solder- Hiki i nā pilikia o ka solder paste ke kōkua i ka hoʻokumu ʻana i ka pōlele solder. No laila, ʻaʻole ʻōlelo ʻia e hoʻohana hou i ka solder paste a ʻae i ka hoʻohana ʻana i ka solder paste ma mua o kona lā pau. Pono e mālama pono ʻia a mālama pono ʻia ka pāpaʻi solder e like me nā alakaʻi a ka mea hana. Hiki i ka wai solder paste hiki ke kōkua i ka nui o ka makū.

Hoʻolālā Stencil– Hiki ke hana ʻia ka pōlele solder i ka wā i hoʻomaʻemaʻe pono ʻole ʻia ka stencil, a i ʻole ke paʻi hewa ʻia o ka stencil. No laila, hilinaʻi aʻike i ka hana ʻana o ka papa kaapuni paʻia hiki i ka hale hui ke kōkua iā ʻoe e pale i kēia mau hewa.

Hōʻike Hōʻikeʻike wela- Pono e hoʻoheheʻe ʻia kahi mea hoʻoheheʻe maʻalahi i ka wikiwiki kūpono. Akiʻekiʻe ramp-upa i ʻole ka pre-heat rate hiki ke alakaʻi i ka hoʻokumu ʻana i ka balling solder. No ka hoʻoholo ʻana i kēia, e hōʻoia i ka emi ʻana o kāu ramp-up ma lalo o 1.5°C/sec mai ka awelika lumi wela a hiki i 150°C.

HOOLAHA BOLA KUAI

E kāpī i nā ʻōnaehana eaʻo ia ke ala maikaʻi loa no ka wehe ʻana i ka pōʻino solder. Ke hoʻohana nei kēia mau mīkini i nā nozzles ea kiʻekiʻe e hoʻoneʻe ikaika i nā pōpō solder mai ka ʻili o kahi papa kaapuni i paʻi ʻia no ko lākou hopena kiʻekiʻe.

Eia nō naʻe, ʻaʻole maikaʻi kēia ʻano o ka wehe ʻana i ke kumu kumu mai nā PCB i kuhi hewa ʻia a me nā pilikia paʻi solder pre-reflow.

ʻO ka hopena, ʻoi aku ka maikaʻi o ka ʻike ʻana i ke kumu o nā pōpō solder i ka wā hiki loa, no ka mea, hiki i kēia mau kaʻina ke hoʻopilikia i kāu hana PCB a me ka hana. Hāʻawi ka pale i nā hopena maikaʻi loa.

E HIKI I NA KINO ME IMAGINEERING INC

Ma Imagineering, maopopo iā mākou ʻo ka ʻike ke ala maikaʻi loa e pale aku ai i nā hiccups e hele mai me ka PCB fabrication a me ka hui. Hāʻawi mākou i ka maikaʻi maikaʻi loa i hilinaʻi ʻia i nā noi koa a me ka aerospace, a hāʻawi i ka huli wikiwiki ʻana i ka prototyping a me ka hana ʻana.

Mākaukau ʻoe e ʻike i ka ʻokoʻa Imagineering?E kelepona mai iā mākou i kēia lāe kiʻi i kahi ʻōlelo ma kā mākou hana PCB a me nā kaʻina hana.