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10 Makahiki Hana Hana

ʻO ke kila kila ppgi ppgl coil knowedge ppgi coil mea hoʻolako

1. ʻO ke kaʻina hana o ka pā kila kala
ʻO ka pā kila kala (ʻike pū ʻia ʻo ka pā kala, ka pā kila i uhi ʻia,ppgi ppgl) ua hoʻokumu ʻia ma luna o ka pā kila anuanu, ka pā kila a i ʻole ke kila galvalume coil, ma hope o ka hoʻomaʻamaʻa ʻana o ka ʻili (degreasing, hoʻomaʻemaʻe, hoʻololi hoʻololi kemika), a me ka uhi ʻana (roller coating method), kahi huahana i hana ʻia e ka kuke ʻana a me ka hoʻoluʻu.
ʻO keʻano o ka hoʻopiliʻana iʻelua mauʻaʻahu a me hoʻokahi bake,ʻelua kapa a meʻelua bake, a pēlā aku. Hiki ke ola lawelawe mālamaʻole i 10-30 mau makahiki ma muli o ka lewa ambient.
ʻO ke kaʻina hana nui o ka ʻāpana ʻāpana ʻelua a me ʻelua-baking ʻano hoʻomau kala hoʻomau ʻia: uncoiler ------- stitching machine ------pressing roller------tensioning machine--- -Uncoiling Looper-----Alkaline Degreasing----Cleaning----Drying-----Passivation-----Drying------Hoʻomaka i ka uhi ------- ka uhi mua a me hoʻomaloʻo------ topcoat fine coating------ topcoat maloʻo------ ea hoʻoluʻu a hoʻoluʻu------ wili hana Set ----- rewinder----- (ka Hoʻopili ʻia ka ʻōwili aʻe a waiho ʻia i loko o kahi waihona).

ppgi ppgl ral colors

Nā pani maʻamau no ka wili kila i uhi ʻia i ka kala (ppgi ppgl coil)
(1) ʻO ka substrate ʻōwili anu
ʻO ka pā kala i hana ʻia mai ka substrate i ʻōwili ʻia he ʻano maʻemaʻe a nani hoʻi a loaʻa iā ia ke kaʻina hana o ka pā anuanu;akā naʻe, ʻo nā ʻōpala liʻiliʻi ma ka uhi ʻili e hōʻike i ka substrate i ʻōwili ʻia i ka lewa, e hōʻike koke i ka hao i ka Generates red rust.No laila, hiki ke hoʻohana ʻia ia mau huahana no nā ana kaʻawale kaʻawale a me nā mea o loko me nā koi haʻahaʻa.
(2) ʻO ka substrate galvanized wela wela
ʻO ka huahana i loaʻa ma ka hoʻopili ʻana i ka uhi organik ma kawili puʻupuʻu welaʻo ia ka pepa i uhi ʻia i ke aniani wela.Ma waho aʻe o ka hopena pale o ka zinc, ʻo ka uhi kūlohelohe ma luna o ka ʻili o ka wela wela i hoʻopaʻa ʻia i ke kala i hoʻopaʻa ʻia i ke ʻano o ka insulation a me ka pale ʻana, ka pale ʻana i ka ʻōpala, a ʻoi aku ka lōʻihi o ke ola lawelawe ma mua o ka wela wela. pepa galvanized.He 180g/m2 ka nui o ka zinc o ka ipu hao wela wela no ka hale o waho he 275g/m2.
(3) Al-Zn substrate wela wela
Ma ke noi, hot-dip galvalume coilhiki ke hoʻohana ʻia e like me nā substrate i uhi ʻia i ka kala (55% AI-Zn a me 5% AI-Zn).
(4) Electro-galvanized substrate
Hoʻohana ʻia ka pepa electro-galvanized ma ke ʻano he substrate, a ʻo ka huahana i loaʻa ma ka uhi ʻana i ka peʻa organik a me ka bakena ʻo ia ka pepa i uhi ʻia i ka kala electro-galvanized.Ma muli o ka lahilahi o ka papa zinc o ka pepa electro-galvanized, ʻo ka zinc maʻamau he 20/20g/m2, no laila ʻaʻole kūpono kēia huahana no ka hoʻohana.E hana i nā pā, nā hale, a pēlā aku ma waho.Akā ma muli o kona hiʻohiʻona nani a me ka hana hoʻoponopono maikaʻi loa, hiki ke hoʻohana nui ʻia i nā mea hana hale, nā leo, nā lako kila, nā mea hoʻonaninani, etc.

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Ua uhi ʻia ka ʻili luna i ʻelua ʻāpana pena a me kahi papa kala i uhi ʻia ma ka ʻili hope (ʻaʻole kūpono kēia ʻano pena hope no ka hoʻohana mua ʻana)
ʻO ka wili kila i pena mua ʻia (ppgi ppgl) he huahana i hana ʻia me ka pepa kila i ʻōwili ʻia, wela wela a i ʻole nā ​​ʻāpana kila galvalume ma hope o ka hoʻomaʻemaʻe ʻana i ka ʻili, ka phosphating a me ka chromate lapaʻau, a laila uhi ʻia me ka pena organik a kālua ʻia.ʻO nā mea i hoʻohana pinepineʻia no nā papa kila i hoʻopiliʻia he polyester (BHP XRW coating system, Baosteel JZ, Korea PGS, Taiwan PE), i ukaliʻia e ka resin silicone (PSS), fluorine resin (PVDF), a pēlā aku. ʻO ka mānoanoa o ka uhi ʻana he 20-25μ ma ka ʻili a me 8-10μ ma ke kua.ʻO nā mea maʻamau i ʻōlelo ʻia no nā ʻāpana kila i uhi ʻia i ka kala ʻAmelika ASTM A527 (galvanized), ASTM AT92 (aluminum-zinc), Japanese JIS G3302, European EN/0142, Korea KS D3506, Baosteel Q/BQB420


Ka manawa hoʻouna: Iune-22-2022
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