ʻO ka PCB ka mea nui i ka hoʻoili ʻana i ka mana o ka papa nui, ʻaʻole paʻakikī kāna kaʻina hanamīkini SMThoʻokomo,mīkini hoʻoheheʻe naluwelding, manual plug-in, etc., mana mana papa ma ke kaʻina hana o ka SMD hana, nā koi kaʻina hana nui e like me kēia.
1.Power lako papa ka mana kaapuni kaʻina hana, no laila, i ka PCB papa pono e kū'ē i kiʻekiʻe wela koi, ka pono no ke alakai-noa kaʻina.
2. ʻO ka waiwai kū'ē wela o nā mea e pono ai e hoʻokō i nā koi o ka tin i hoʻoheheʻeʻia o nā mea uila (maʻamau ma luna o 200 degrees a hiki i 50-100s, Z kiʻekiʻe ka mahana ma luna o 250 degrees).
3. ʻAʻole hiki ke emi iho ka pitch o ka mea uila, ka mea nui a me ka mamao o ka mea liʻiliʻi ma mua o 1mm, 0603 ʻoi aku ka nui o nā ʻano pitch ʻelima ma mua o 0.3mm.
4. ʻAʻole hiki i ka ʻaoʻao hoʻouna o ka papa mana mana ke loaʻa kahi āpau.
5. ʻAʻole hiki i ka pad ke loaʻa ma luna o ka puka laina, ʻaʻole hiki ke loaʻa i ka ʻāpana pad periphery ka leakage tin hole, pono ka paʻi e hoʻokō i nā koi lako mea nui.
ʻO ka ʻāpana o ka papa mana mana o ka mea kūʻai aku he ʻelua ʻaoʻao e kau ana i nā koi, pili kēia i ka hiki ke kūpono o nā mea hana a me ka wikiwiki o ka laina hoʻololi laina hana, ʻo ke kahe kaʻina o ka kau ʻana ʻelua ʻaoʻao ʻo A side solder paste paʻi - SMD -reflow umukūʻai - papa hoʻoheheʻe - B ʻaoʻao solder paste paʻi - SMT koho a wahi-Reflow kūʻai.
ʻO nā ʻike wikiwiki e pili anaNeoDen:
Hoʻokumu 'ia ma 2010, 200+ limahana, 8000+ Sq.m.hale hana.
Nā huahana NeoDen: ʻO ka mīkini PNP series Smart,NeoDen K1830, NeoDen4, NeoDen3V, NeoDen7, NeoDen6, TM220A, TM240A, TM245P, reflow umu IN6, IN12, Solder paste paʻi FP2636, PM3040.
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