Ho fafatsa sesebelisoa sa pretreatment bakeng sa mohala oa ho roala

Pretreatment e nkoa e le karolo ea bohlokoa ka ho fetisisa ea ho roala e le hore ho finyelloe qetello e lakatsehang le e tšoarellang nako e telele.

Re fana ka limela tsa pretreatment tse entsoeng ka tšepe e sa hloekang e felletseng kapa MS kapa motsoako oa lithanele tsa SS & MS hammoho le sistimi e futhumatsang e otlolohileng kapa e sa tobang, pompo e otlolohileng bakeng sa phetisetso e phahameng ea phetisetso, sekotwana se bonolo ho li-nozzles tse nang le ntlha e potolohang ea PP ho lokisa spray ea nozzle, FRP catwalk. e nang le monyako bakeng sa tlhokomelo e bonolo.

Iteanye le rona Nyeoe

lintlha tsa sehlahisoa

Fafatsa lisebelisoa tsa kalafo pele ho kalafo

Ho hloekisa lik'hemik'hale ho kenyelletsa ho tlosoa ha litšila, oli le mafura, le lihlahisoa tsa oxidation tse teng ka holim'a metsi ka lik'hemik'hale. Lik'hemik'hale li ka sebelisoa ka ho phumula, ho fafatsa kapa ho qoelisoa. Mofuta oa ho lokisa holim'a metsi o itšetlehile ka sebopeho sa ntho le tšepe ea motheo.

Sistimi ea pele ea kotopo e loketse ho hloekisa libopeho tse rarahaneng tsa likarolo tsa mosebetsi tse nang le likhutlo tse tebileng, kapa e sebetsa ka sekala se senyenyane sa ho roala phofo kapa mesebetsi ea matsoho ea ho roala phofo. Ts'ebetso ea sistimi ea ho fafatsa ea mantlha haholo e kenyelletsa degrease, conditioning, phosphate, rinse, mekhahlelo ea 'nete e lokela ho etsoa qeto ho latela lihlahisoa tsa bareki.

Mohala oa ho fafatsa pele ho kalafo o amohela mofuta oa karolo e le 'ngoe, karolo e kaholimo e fafatsa' mele oa setopo, karolo e tlase ke 'mele oa tanka ea polokelo ea metsi,' me ho na le monyako oa ho kena, lere la phihlello le sethala sa phihlello karolong ea leaching.

Tlhōlo e tloaelehileng ea Ts'ebetso

Che.	Lebitso la Craft	Mokhoa oa ho Phekola	Mokelikeli oa Kalafo	Nako ea Kalafo (metsotsoana)	Mocheso oa Phekolo (℃)
1	Loading	Ts'ebetso ea matsoho		60
2	Hlatsoa ka metsi a chesang	Fafatsa	Metsi a Liindasteri	60	55-60
3	Ho nyenyefatsa pele	Fafatsa	Setlolo se hloekisang	60	50-60
4	Ho fokotsa mafura	Fafatsa	Setlolo se hloekisang	120	50-60
5	Rinse ea metsi 1	Fafatsa	Metsi a Liindasteri	60	RT
6	DM rinse ea metsi1	Fafatsa	Metsi a demineralized	60	RT
7	Hlatsoa ka metsi a hloekileng a DM	Fafatsa	Metsi a demineralized	Tube ea mola o le mong	RT
8	Silane	Fafatsa		120	RT
9	DM rinse ea metsi2	Fafatsa	Metsi a demineralized	60	RT
10	DM rinse ea metsi3	Fafatsa	Metsi a demineralized	60	RT
11	Hlatsoa ka metsi a hloekileng a DM	Fafatsa	Metsi a demineralized	Tube ea mola o le mong	RT
12	Ho rotha	Ho Rotha ka Tlhaho		420	RT
13	Ho omisa ka mongobo	Ho Tsamaisa Moea o Chesang		600	110-120
14	Ho phodisa	Pholiso ea Tlhaho		900	RT
15	Ho fafatsa ka phofo	Ho fafatsa ka letsoho		120	RT
16	Pheko ea phofo	Ho Tsamaisa Moea o Chesang		1200	180-200
17	Ho phodisa	Pholiso ea Tlhaho		900	RT
18	Ho laolla	Ts'ebetso ea matsoho		180	RT