Usoro nke mkpuchi ntụ ntụ

Usoro zuru ezu:

• 1. Nzube nke pretreatment: wepụ mmanụ unyi, uzuzu na nchara n'elu nke workpiece, na-etolite a "phosphating oyi akwa" ma ọ bụ "chromizing oyi akwa" n'elu workpiece nke na-eguzogide ọgwụ corrosion na nwere ike mụbaa. adhesion nke mkpuchi ịgba. Isi usoro usoro: mwepụ mmanụ, iwepụ nchara, phosphating (chromization), passivation. Mgbe tupu ọgwụgwọ nke workpiece, ọ bụghị nanị na elu bụ free mmanụ, nchara, na ájá, kamakwa a edo na ike ike isi awọ phosphate film (chromized film) na-adịghị mfe nchara na-guzobere na silvery ọcha onwunwu elu. , nke nwere ike igbochi nchara na nwere ike ịbawanye nchikota nke mkpuchi ịgba. Enwere ụdị ọgwụgwọ atọ dị: ụdị imikpu, ụdị ịgba mmiri, na ụdị mmiri mmiri. Ụdị nmikpu chọrọ ọtụtụ tankị imikpu; spraying na-achọ ka a na-agba agba n'ahịrị ncha; ụdị nsụda mmiri pụtara na ngwọta na-agbada site n'ịdị elu ozugbo n'akụkụ workpiece.
• 2. Ntụ ntụ spraying nzube: uniformly ịgbasa na ntụ ntụ mkpuchi n'elu nke workpiece. Ekwesịrị iji igwe ịgbasa electrostatic na-arụ ọrụ dị elu fesa ihe arụ ọrụ pụrụ iche (gụnyere ebe ndị nwere ike ịgbachitere electrostatic). Usoro usoro: Iji ụkpụrụ nke electrostatic adsorption, uniformly fesa a oyi akwa nke ntụ ntụ mkpuchi n'elu nke workpiece; A na-enwetakwa ntụ ntụ dara ada site na usoro mgbake ma nwee ike iji ya mee ihe mgbe ịsachara ya
• 3. Ngwọta Nzube: Iji mee ka ntụ ntụ sie ike n'elu workpiece. Usoro usoro: Tinye sprayed workpiece n'ime ọkụ dị elu na ihe dị ka 200 Celsius C maka nkeji 20 (okpomọkụ na-agwọ ọrịa na oge na-adabere n'ịdị mma nke ntụ ntụ ahọpụtara, na obere okpomọkụ ntụ ntụ na-agwọta okpomọkụ bụ ihe dịka 160 Celsius C). , nke na-azọpụta ike), nke mere na ntụ ntụ na-etinye uche gbazee, larịị ma sie ike.

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