Pono mua ka hana SMD e ʻoki i kahi papa o ka solder paste ma luna o ka pcb pad, pono e hana ʻia ka paʻi solder paste ma hope o ka maikaʻi o ka hoʻāʻo, hoʻāʻo i ka inoa o ka mīkini i kapa ʻia ʻo spi (solder paste testing machine), ka mea nui. ka ho'āʻo o ka paʻi solder paste inā he offset, huki i ka piko, ka mānoanoa a me ka palahalaha, a me nā mea'ē aʻe, no ka mea,ʻo ka maikaʻi o ka paʻi paʻi solder e pili pono i ka maikaʻi o ka maikaʻi o ka weld ma hope, kaʻoihana weld ke kumu no ka ilihune. ʻoi aku ma mua o 60% o nā pilikia ka paʻi ʻana i ka paʻi solder!Ma muli o ka 60% o nā kumu o ke kūʻai ʻole ʻana i ka ʻoihana ʻo ia nā pilikia paʻi paʻi solder, lawa e hōʻoia i ka nui o ka hoʻāʻo paʻi paʻi solder.
ʻO ke ʻano o ka SPI ma o ka helu
ʻO ka Solder Paste Printing Inspection (SPI) a me ka hoʻāʻo ʻana AOI he pololei ma o ka helu, pololei ma o ka helu mai ka huaʻōlelo hiki ke hoʻomaopopo maikaʻi ʻia, pololei ma o ka probability, hiki ke lilo i mea kūleʻa, ʻoi aku ka kiʻekiʻe o ka pololei ma o ka helu, ʻoi aku ka kiʻekiʻe o ka huahana. a me ka hiki ke hana, inā he haʻahaʻa ke ala pololei, ʻo ia hoʻi, ʻaʻole holo ka hana, pili i ka hiki o ka pono.
ʻO ke koʻikoʻi o ka hoʻoponopono pololei ma ka uku
Hōʻike pū ka Straight through rate i ka holomua holomua, ʻoi aku ka kiʻekiʻe o ka pololei ma waena, ʻoi aku ka kiʻekiʻe o ka pae o ka ʻenehana hana, ka hiki ke hele pololei, a ʻaʻole hōʻike mau i ka hewa a i ʻole ka hewa, ʻoi aku ka kiʻekiʻe o ka pololei, kiʻekiʻe ka huahana, kiʻekiʻe kiʻekiʻe, pololei ma ka helu he haʻahaʻa, ka nele o ka hana ʻenehana, a e hoʻopilikia i ka hana pono a me nā koina manawa, akā alakaʻi ʻole hoʻi i ke kumu kūʻai o ka mana kanaka, nā kumu waiwai no ka mālama ʻana.No laila, ʻaʻole i hōʻike wale ka mana o ka uku pololei no kahi mea kanu i ka pae o ka maikaʻi o ka hana ʻana, akā pili pū nō hoʻi i ka hana pono o ka hale hana.
Nā mea pili i ka spi through rate
Pākuʻi Solder
Inā nui ka wai o ka solder paste, maʻalahi ke hoʻololi a hāʻule i ka paʻi solder ma luna o ka pad, e hopena i ka paʻi maikaʻi ʻole, pono mākou e hoʻohana i ka solder paste e hoʻi piha i ka mahana a me ka hoʻoulu ʻana.
ʻŌpalapala
ʻO ke kaomi Squeegee, ka wikiwiki, ka angle e hoʻopili i ka nui o ka solder paste i paʻi ʻia ma ka pā pcb (ka mānoanoa a me ka palahalaha), inā ʻoi aku ka nui a i ʻole ka liʻiliʻi o ka mānoanoa, e hana ia i ka pōkole pōkole a i ʻole ke kūʻai ʻana.
ʻO ka nui o ka lua Stencil a me ka maʻalahi o ka pā puka e hoʻopili i ka solder paste seepage, a inā he lauoho ka paia puka stencil, e maʻalahi hoʻi ke kumu i ke koena solder paste.
Nā hiʻohiʻona o ka mīkini NeoDen SPI
Pūnaehana polokalamu:
Pūnaehana hana: Windows 7 Ultimate 64bit
1) Pūnaehana ʻike:
Hiʻona:3d raster kamera (ʻelua ke koho)
Hoʻohana i ka interface: Hoʻolālā kiʻi, maʻalahi e hana, hoʻololi ka ʻōnaehana Kina a me ka ʻōlelo Pelekania
Interface: 2D A me 3D kiʻi kala maoli
MARK: Hiki ke koho i 2 commom mark point
2) Polokalamu: Kākoʻo iā gerber, CAD input, offline a me ka papahana manual
3) SPC
SPC pahemo: Kākoʻo
Hōʻike SPC: Hōʻike i kēlā me kēia manawa
Mana Kiʻi: Volume, ʻāpana, kiʻekiʻe, offset
E hoʻokuʻu aku ma waho: Excel, kiʻi(jpg, bmp)
Ka manawa hoʻouna: ʻAukake-01-2023