| Sinkhúðun ferli |
Sinkhúðun ferli er tiltölulega háþróað ferli sem nær yfir eftirfarandi skref
√ Preparing and cleaning the surface — It's essential to thoroughly clean the surface of the substrate, and alkaline detergent is a popular solution.
√ Preparing the plating solution — It is referred as the plating bath, and the bath consists of the zinc metal ionic solution og ýmis efni eins og súrt sink, alkaínsink sem auðvelda málunarferli.
√ Choosing the appropriate zinc plating procedure —Larger parts are affixed to metal racks, and then placed inside the tank containing the plating bath, and the smaller are placed inside a rotating barrel, which provides a more uniform finish.
√ Introducing the electrical current — A DC current originating at the anode is introduced into the bath and flows to the substrate, and the substrate serves as the cathode. When the current complete the circuit, and the zinc ions are then deposited onto the metal surface.
√ Post-treatment — Rinsing the parts in water to remove any remaining contaminants and plating bath remnants. If additional corrosion protection is required, the application of passivates and sealers can be included in the post-treatment process. Chromate treatments are used primarily to improve corrosion resistance, improve paint or adhesive bonding properties, and provide a decorative or colored finish. The Sealer chemically bonds with the chromate film to seal and harden chromate films as well as increase their adhesion to zinc surfaces.
√ Drying- The final step is to thoroughly dry the zinc-plated parts.
| Hvaða sinkhúðunarþykkt þarftu í raun og veru? |
Byggt á tæringartöflu í andrúmsloftinu hér að neðan, gefum við eftirfarandi ráðleggingar:
Massatap yfirborðsfrágangur og þykktarminnkun (miðað við 1 árs útsetningu)
Áætlaður leiðbeiningar um endingartíma, meðal tæringarhraða (aðeins sink án aðgerða eða yfirhúð);
Mass Loss Surface Finish and Thickness Reduction (Based Upon 1 year of Exposure) | ||||
| Tæringarflokkur | Þykktarminnkun massataps | |||
| Steel | Sink | |||
| Mass Loss (g/m²) | Thickness Reduction (μm） | Mass Loss (g/m²) | Thickness Reduction (μm） | |
| C1 | <> | <> | <> | <> |
| C2 | >10-200 | >1.3-25 | >0.7-5 | >0.1-0.7 |
| C3 | >200-400 | >25-50 | >5-15 | >0.7-2.1 |
| C4 | >400-650 | >50-80 | >15-30 | >2.1-4.2 |
| C5-I | >650-1500 | >80-200 | >30-60 | >4.2-8.4 |
| C5-M | >650-1500 | >80-200 | >30-60 | >4.2-8.4 |
Recommendation for Application | ||||
| Umhverfisástand | Hentugur staður | Weathering Condition | Recommended Zinc Coating Thickness | ISO 2081 Designation |
| Þurrt innandyra | Hús, Skrifstofa | Lítið | 5μm | Óvirkjað Fe/Zn5/A |
| Lágmarksþétting innanhúss | Warehouse, Workshop | Lítið | 8μm | Óvirkjað Fe/Zn8/A |
| Covered Outdoor | Light Industry, Places Covered with Roof | Midium | 12μm | Óvirkjað Fe/Zn12/A |
| Útivist | Industry Zone, Offshore | Miðíum-Alvarlegt | 25μm | Óvirkjað Fe/Zn25/A |
| Notkun sinkhúðaðra hluta |
Zinc plating is typically used for small fasteners, small plates, and various brackets that will be exposed in interior or mildly corrosive conditions. For use in moderate or severe environments,the materials must be chromate-conversion coated or hot dip galvanized for additional corrosion protection. Fabmann provides zinc plating service, and our experienced engineer will make sure that all the custom fabricated parts go through strict pre-treatment for sound zinc plating result, and we are serving the following industries:
√ Vélar og lyfta
√ Búnaður
√ Aukabúnaður fyrir skrifstofuhúsgögn
√ Varahlutir fyrir eftirvagn
| Hvernig framkvæmir Fabmann skoðun á zínhúðun? |
Our quality engineer focuses on following aspects to make sure our zinc plating quality is upto clients' requirement.
√ Pitting
√ Skörp brún
√ Mengun
√ Léleg viðloðun
√ Cracking
√ Dull and hazy deposits
√ Blistering
Sinkhúðuð festing
Sinkhúðuð sérsniðin festing
Sinkhúðaðir OEM stimplunarhlutir
Sinkhúðaðir málmplötur
Sinkhúðaðir stálstimplunarhlutar
Sinkhúðuð stálgrind
Sinkhúðaður stálstandur með soðnum hnetum
Sinkhúðunþjónusta
Sinkhúðað stáltengi
Sinkhúðuð soðin festing
maq per Qat: Sinkhúðaður stálstandur með soðnum hnetum, sinkhúðaður stálgrind, sinkhúðaður festingar, sinkhúðaða þjónusta
