Ọla ọla ọ bụla ekpughere na ikuku ruo ogologo oge na-achọ oxidize ka oge na-aga. Mgbe ọtụtụ afọ nke egosipụtara n'ahụmahụ, Fasteners Engineering ewepụtala ma mepụta usoro ọgwụgwọ nwere ike idozi nsogbu nke oxidation na bolts. N'okpuru ebe a, anyị na-edepụta usoro mmepụta ihe dị iche iche na-eji na modulated na ndabere nke mkpa nke ndị ahịa anyị.

Dị ka otu n'ime mkpa fasteners, kposara n'ozuzu na-eji dị iche iche n'elu ọgwụgwọ usoro izute ndị ahịa chọrọ. Echere na ozi ndị a ga-abara gị uru.

1. Zinc plating.

Galvanizing nwere ike kewaa n'ime oyi galvanizing, n'ibu galvanizing na ọkụ galvanizing, nke na-ekpo ọkụ galvanizing bụ kasị ewu ewu. Hot galvanizing, makwaara dị ka na-ekpo ọkụ-mikpu galvanizing, bụ imikpu nchara-wepụrụ nchara akụkụ n'ime zinc ngwọta nke banyere 500 ℃. N'ụzọ dị otú a, a na-ejikọta elu nke workpiece na oyi akwa zinc, nke na-eje ozi maka mgbochi corrosion. Uru nke hot dip galvanizing bụ ndị a:

• Ike mgbochi corrosion siri ike.
• Mma mmachi na ike nke galvanized oyi akwa.
• Ọnụ ọgụgụ nke zinc buru ibu, na ọkpụrụkpụ nke oyi akwa zinc bụ ọtụtụ oge nke galvanizing oyi.
• Dị ọnụ ala karịa na ihe omume gburugburu ebe obibi.

2.Surface phosphating.

N'elu phosphating bụ ọgwụgwọ elu dị ọnụ ala nke a na-eji dị ka primer tupu eserese.

• Ebumnuche bụ isi bụ inye nchebe na ígwè ahụ ma gbochie ígwè ahụ ka ọ ghara imebi ya ruo n'ókè ụfọdụ.
• Meziwanye adhesion nke ihe nkiri agba.
• Belata esemokwu na mmanye n'oge igwe oyi na-arụ ọrụ.

3.Dacromet bụ ụdị ọhụrụ nke mkpuchi mgbochi corrosion, nke bụ nkà na ụzụ kachasị mma iji dochie omenala electro-galvanizing na hot-dip galvanizing nke nwere ajọ mmetọ gburugburu ebe obibi. Uru ya bụ ndị a:

• Nguzogide corrosion kacha elu: nsonaazụ nchara nchara bụ ugboro 7-10 dị elu karịa galvanizing ọdịnala.
• Ọ dịghị ihe na-eme ka hydrogen embrittlement, nke dị nnọọ mma maka mkpuchi nke akụkụ ndị nwere nrụgide.
• Nnukwu okpomọkụ na-eguzogide, okpomọkụ na-eguzogide okpomọkụ nwere ike iru n'elu 300 ℃.
• Adhesion dị mma na ịrụghachi ọrụ
• Enweghị mmiri mkpofu na gas na-ekpofu ihe ga-emepụta n'oge usoro mmepụta.

4. Katapila

Ruspert bụ ụdị mkpuchi ewepụtara maka kposara ihe owuwu, ihe mkpuchi gburugburu ebe obibi mepụtara mgbe Dacromet gasịrị. E jiri ya tụnyere Dacromet, uru nke ruspert bụ ndị a:

• Nguzogide corrosion siri ike, nwere ike iguzogide ule ịgba nnu maka awa 500-1500
• Mkpuchi siri ike
• Mma elu imecha na adhesion
• Agba ndị ọzọ dị

DD fasteners nwere afọ 20 nke fastener mmepụta na ahịa ahụmahụ.

Ọ bụrụ na ị nwere ihe ọ bụla ịghasa chọrọ, biko kpọtụrụ anyị, anyị ga-ejere gị ozi nke ọma.

Nọrọ tụgharịaEkele