Ua aʻo liʻiliʻi ka PCB i kēlā me kēia lā a ke manaʻoʻiʻo nei wau hiki iaʻu ke lilo i mea ʻoi aku ka ʻoihana i kaʻu hana. I kēia lā, makemake wau e hoʻolauna i 16 mau ʻano o ka PCB weld defects mai nā hiʻohiʻona hiʻohiʻona, nā pōʻino, nā kumu.
1.Pseudo Soldering
Nā hiʻohiʻona hiʻohiʻona:aia kahi palena ʻeleʻele maopopo ma waena o ka mea kūʻai aku a me ke alakaʻi ʻāpana a i ʻole ke keleawe keleawe, a ua concave ka mea kūʻai aku i ka palena.
Nā pōʻino:hiki ole ke hana pono
Nā kumu:1) ʻAʻole hoʻomaʻemaʻe maikaʻi ʻia nā uea alakaʻi o nā ʻāpana, ʻaʻole i hoʻomaʻemaʻe maikaʻi ʻia a i ʻole oxidized.
2) ʻAʻole maʻemaʻe ka PCB, a ʻaʻole maikaʻi ka maikaʻi o ka flux sprayed
2. ʻO ka hōʻiliʻili solder
Nā hiʻohiʻona hiʻohiʻona:ʻO nā hui solder he ʻoluʻolu, keʻokeʻo a ʻeleʻele.
Nā pōʻino:ʻaʻole lawa ka ikaika mechanical, hiki i ka wiliwili virtual
Nā kumu:1) maikaʻi ʻole ka maikaʻi o ka solder.2) lawa ʻole ka mahana kuʻi.3) i ka wā i hoʻopaʻa ʻole ʻia ka solder, lilo ke alakaʻi o ka ʻāpana.
3. Ka nui loa solder
Nā hiʻohiʻona hiʻohiʻona:He convex ka maka solder
Nā pōʻino:E hoʻoheheʻe ʻia a loaʻa paha nā hemahema
Nā kumu:Ua lohi loa ka wehe ʻana o ka solder
4. Liʻiliʻi loa solder
Nā hiʻohiʻona hiʻohiʻona:ʻOi aku ka liʻiliʻi o ka wahi wili ma lalo o 80% o ka pad welding, a ʻaʻole i hana ka solder i kahi hoʻololi maʻalahi.
Nā pōʻino:ʻaʻole lawa ka ikaika mechanical,
Nā kumu:1) maikaʻi ʻole ka hoʻoheheʻe ʻana o ka solder a i ʻole ka hemo ʻana o ka solder. 2) lawa 'ole flux.3) wili manawa pōkole loa.
5. Kuʻiʻo Rosin
Nā hiʻohiʻona hiʻohiʻona:Aia ke koena rosin i ka weld
Nā pōʻino:ʻaʻole lawa ka nui o ka pōʻino, maikaʻi ʻole ka lawe ʻana, inā paha i ka wā a i waho
Nā kumu:1) ka mīkini hoʻoheheʻe nui a i ʻole ka hemahema.2) lawa ʻole ka manawa wili a me ka hoʻomehana.3) ʻaʻole wehe ʻia ke kiʻi ʻoniʻoni o ka ʻili.
6. ka wela wela
Nā hiʻohiʻona hiʻohiʻona:He keʻokeʻo ka hui solder, ʻaʻohe luster metala, ʻoʻoleʻa ka ʻili.
Nā pōʻino:He mea maʻalahi ka ʻili ʻana i ka pā welding a hoʻemi i ka ikaika
Nā kumu:ʻOi aku ka mana o ka hao hao a lōʻihi loa ka manawa hoʻomehana
7. anu wiliwili
Nā hiʻohiʻona hiʻohiʻona:ʻO ka ʻili i loko o nā ʻāpana o ka tofu, he māwae paha
Nā pōʻino:Ka haʻahaʻa haʻahaʻa a me ka maikaʻi ʻole o ka uila
Nā kumu:hoʻopaʻa ʻia ka solder ma mua o ka paʻa ʻana.
8. Ke komo ʻana i ka ʻino
Nā hiʻohiʻona hiʻohiʻona:ʻO ka pilina ma waena o ka solder a me ka wiliwili nui loa, ʻaʻole maʻalahi
Nā pōʻino:Haʻahaʻa haʻahaʻa, hiki ʻole ke hele a hoʻopau paha
Nā kumu:1) ʻaʻole hoʻomaʻemaʻe ʻia nā ʻāpana wili 2) lawa ʻole ka flux a maikaʻi ʻole paha.
9. dissymmetry
Nā hiʻohiʻona hiʻohiʻona:ʻaʻole piha ka pā hao
Nā pōʻino:ʻAʻole lawa ka nui o ka pōʻino
Nā kumu:1) maikaʻi ʻole solder fluidity.2) lawa ʻole ka flux a maikaʻi ʻole paha.3) lawa ʻole ka wela.
10. Nalo
Nā hiʻohiʻona hiʻohiʻona:hiki ke hoʻoneʻe ʻia nā uea alakaʻi a i ʻole nā ʻāpana
Nā pōʻino:ʻino a ʻaʻole hoʻokō
Nā kumu:1) hoʻoneʻe ʻole ka neʻe ʻana o ke alakaʻi ma mua o ka hoʻopaʻa ʻana o ka solder.2) ʻaʻole mālama pono ʻia ke alakaʻi (ʻilihune a ʻaʻole i hoʻokomo ʻia)
11.Solder hoʻolālā
Nā hiʻohiʻona hiʻohiʻona:ʻike ʻia ka piko
Nā pōʻino:ʻO ke ʻano maikaʻi ʻole, maʻalahi ke hoʻopili ʻia
Nā kumu:1) liʻiliʻi loa a me ka manawa hoʻomehana lōʻihi loa.2) hoʻokuʻu pono ʻole ʻAle o ka hao hao.
12. Pili alahaka
Nā hiʻohiʻona hiʻohiʻona:Pili uea pili
Nā pōʻino:Kaapuni pōkole uila
Nā kumu:1) solder nui loa. 2) hoʻokuʻu pono ʻole ʻAle o ka hao hao
13. Puka Pin
Nā hiʻohiʻona hiʻohiʻona:ʻIke ʻia nā puka ma ka ʻike a i ʻole ka mana haʻahaʻa
Nā pōʻino:ʻAʻole lawa ka ikaika a me ka maʻalahi o ka corrosion o nā hui solder
Nā kumu:ua nui loa ka hakahaka ma waena o ka uwea kepau a me ka puka o ka pa wili.
14. Buhu
Nā hiʻohiʻona hiʻohiʻona:ke kumu o ka uea kepau he spitfire solder uplift a me ka lua o loko
Nā pōʻino:ʻO ka lawe ʻana i ka manawa, akā maʻalahi ka hoʻoulu ʻana i ka ʻino no ka manawa lōʻihi
Nā kumu:1) ākea nui ma waena o ke kēpau a me ka welding pad hole.2) poor lead infiltration.3) papalua panel plugging ma loko o ka lua e lōʻihi ka manawa e weld, a me ka ea i loko o ka puka hoonui.
15. ʻO ka pepa keleawe i luna
Nā hiʻohiʻona hiʻohiʻona:ʻili keleawe mai ka wehe ʻana o ka papa i paʻi ʻia
Nā pōʻino:Ua poino ka pcb
Nā kumu:lōʻihi loa ka manawa wili a kiʻekiʻe loa ka mahana.
16. Ihi
Nā hiʻohiʻona hiʻohiʻona:ka mea kūʻai mai ka ʻili keleawe keleawe (ʻaʻole ke keleawe keleawe a me ka wehe ʻana o ka PCB)
Nā pōʻino:kaapuni kaapuni
Nā kumu:ka uhi metala maikaʻi ʻole ma ka pā wiliwili.