Ukuze sihlangabezane nezidingo ezithile zamaphrojekthi ahlukene, sihlinzeka ngobuchwepheshe obuhlukahlukene bokumboza umhlaba ofanelana nezimo zezulu zendawo kanye nezidingo zemakethe. Sinikezela ngokwelashwa kwendawo okwenziwa ngezifiso kuyo yonke imikhiqizo yethu, ngokusekelwe kulokho okuthandwa ngamakhasimende, kuyilapho sinikeza nezincomo ezichwepheshile.
I-Anodizing vs. Powder Coating
Ithebula elilandelayo libonisa ukuqhathanisa okuqondile phakathi kwe-anodizing ne-powder coatings njengezinqubo zokuqeda ubuso.
| I-anodizing | I-Powder Coating |
| Kungaba mncane kakhulu, okusho izinguquko ezincane kuphela kubukhulu bengxenye. | Ingakwazi ukufeza amajazi aminyene, kodwa kunzima kakhulu ukuthola ungqimba oluncane. |
| Izinhlobonhlobo ezinhle kakhulu zemibala yensimbi, enokuqedwa okubushelelezi. | Ukuhlukahluka okungavamile kwemibala kanye nokuthungwa kungafinyelelwa. |
| Ngokugaywa kabusha kwe-electrolyte okufanele, i-anodizing ihambisana kakhulu nemvelo. | Awekho ama-solvents abandakanyekayo kule nqubo, okwenza ivikeleke kakhulu imvelo. |
| Ukugqoka okuhle kakhulu, ukuklwebheka, nokumelana nokugqwala. | Ukumelana nokugqwala okuhle uma indawo engaphezulu ifana futhi ingonakalisiwe. Ingaguga futhi iklwebhe kalula kune-anodizing. |
| Imelana nokufiphala kombala inqobo nje uma udayi okhethiwe unokumelana okufanelekile kwe-UV ukuze usetshenziswe futhi uvalwe kahle. | Imelana kakhulu nokufiphala kombala, ngisho nalapho kuvezwe ukukhanya kwe-UV. |
| Yenza indawo engaphezulu ye-aluminium ingasebenzi ngogesi. | Okunye ukuguquguquka kukagesi enamathela kodwa hhayi kuhle njenge-aluminium engenalutho. |
| Kungaba inqubo ebizayo. | Ibiza kakhulu kune-anodizing. |
I-Aluminiyamu ngokwemvelo ikhiqiza ungqimba oluncane lwe-oxide ebusweni bayo lapho ivuliwe emoyeni. Lesi sendlalelo se-oxide asisebenzi, okusho ukuthi asisabeli endaweni ezungezile - futhi sivikela yonke enye insimbi ezintweni.
I-anodizing
I-Anodizing iwukwelapha okungaphezulu kwezingxenye ze-aluminium ezisebenzisa leli thuba longqimba lwe-oxide ngokulujiyisa. Ochwepheshe bathatha ucezu lwe-aluminium, olufana nengxenye ekhishwe, balucwilise kubhavu we-electrolytic, bese besebenzisa amandla kagesi ngalo.
Ngokusebenzisa i-aluminium njenge-anode kumjikelezo, inqubo ye-oxidation yenzeka ebusweni bensimbi. Kwakha ungqimba lwe-oxide olugqinsi kunalolo oluvela ngokwemvelo.
I-Powder enamathela
I-Powder coating ingenye uhlobo lwenqubo yokuqeda esetshenziswa ezinhlobonhlobo zemikhiqizo yensimbi. Le nqubo ibangela ungqimba oluvikelayo nokuhlobisa ebusweni bomkhiqizo ophathwe.
Ngokungafani nezinye izinhlelo zokusebenza zokumboza (isb, ukudweba), ukugcoba ngempushana kuyinqubo eyomile yokufaka isicelo. Awekho ama-solvents asetshenziswayo, okwenza ukumbozwa kwempushana kube enye indlela evumelana nemvelo kunezinye izindlela zokwelapha zokuqeda.
Ngemuva kokuhlanza ingxenye, uchwepheshe usebenzisa i-powder ngosizo lwesibhamu se-spray. Lesi sibhamu sisebenzisa inkokhiso ye-electrostatic negative kumpushana, okwenza ihehe engxenyeni yensimbi ephansi. Impushana ihlala inamathele entweni ngenkathi yelashwa kuhhavini, iphendule ijazi lempushana libe ungqimba olufana noluqinile.
Izingubo ze-PVDF
Izingubo ze-PVDF zilingana phakathi komndeni wepulasitiki we-fluorocarbon, akha amabhondi azinze ngokwedlulele ngokwamakhemikhali nangokokushisa. Lokhu kunika amandla okuhlukile kokumboza kwe-PVDF ukuthi kuhlangabezane noma kudlule izimfuneko eziqinile (njenge-AAMA 2605) ngokufiphala okuncane esikhathini eside. Ungase uzibuze ukuthi lezi zimbobo zisetshenziswa kanjani.
Inqubo yesicelo se-PVDF
Izembatho ze-PVDF ze-aluminium zifakwa endaweni yokudweba ngesibhamu esiwuketshezi sokufutha. Izinyathelo ezilandelayo zichaza inqubo egcwele yokuqedela i-PVDF enamathelayo yekhwalithi ephezulu:
- Ukulungiswa kwendawo- Noma yikuphi ukugqoka okuphezulu kudinga ukulungiswa okuhle kwendawo. Ukunamathela okuhle kokunamathela kwe-PVDF kudinga ukuhlanzwa, ukwehlisa, kanye nokukhishwa kwe-oxidizing (ukukhipha ukugqwala) indawo ye-aluminium. Izembatho ze-PVDF ezisezingeni eliphezulu bese zidinga ukuthi kusetshenziswe i-chrome-based conversion coating ukuze kufakwe ngaphambi kwe-primer.
- Isiqalo- I-primer igxilisa ngokuphumelelayo futhi ivikele ubuso bensimbi ngenkathi ithuthukisa ukunamathela kwengubo ephezulu.
- I-PVDF Top Coating- Izinhlayiya ze-pigment zombala zengezwa kanye nokusetshenziswa kwe-coating ephezulu. Ukugqoka okuphezulu kusebenza ukunikeza ukumbozwa ukumelana nokulimala okuvela ekukhanyeni kwelanga namanzi, kanye nokwenyuka kokumelana nokukhwabanisa. I-coating kufanele ilashwe ngemuva kwalesi sinyathelo. I-top coating iwugqinsi kakhulu ohlelweni lokuhlanganisa lwe-PVDF.
- I-PVDF Clear Coating- Enqubweni yokugqoka ye-PVDF engu-3-ungqimba, ungqimba lokugcina luyi-coating ecacile, ehlinzeka ngokuvikeleka okwengeziwe emvelweni futhi ivumela umbala we-topcoat ngaphandle kokuwudalula umonakalo. Lesi singqimba sokumboza kufanele selashwe.
Uma kudingekile kwizicelo ezithile, inqubo ye-2-coat noma i-4-coat ingasetshenziswa esikhundleni sendlela ye-3-coat echazwe ngenhla.
Izinzuzo Eziyinhloko Zokusebenzisa I-PVDF Coatings
- Ivumelana kakhulu nemvelo kunemigcobo yokucwilisa, equkethe izinto eziphilayo ezishintshashintshayo (VOCs)
- Ukumelana nokukhanya kwelanga
- Imelana nokugqwala nokuchaki
- Ingagugi futhi ihuzuke
- Igcina ukufana kombala okuphezulu (ivikela ukufiphala)
- Ukumelana okuphezulu namakhemikhali nokungcola
- Ihlala isikhathi eside ngokulungiswa okuncane
Ukuqhathanisa i-PVDF ne-Powder Coatings
Umehluko oyinhloko phakathi kwezingubo ze-PVDF nezimbotshana eziyimpushana ukuthi izimbotshana ze-PVDF:
- Sebenzisa upende oluwuketshezi olushintshiwe, kuyilapho izimbotshana eziyimpushana zisebenzisa izimpushana ezifakwe ngogesi
- Zincane kunezimbozwe eziyimpushana
- Kungenzeka yelapheke ekamelweni lokushisa, kuyilapho izimbotshana eziyimpushana kufanele zibhakwe
- Iyakwazi ukumelana nokukhanya kwelanga (emisebeni ye-UV), kuyilapho izimbozo eziyimpushana zizofiphala ngokuhamba kwesikhathi uma ziveziwe
- Ingaba nesiphetho se-matte kuphela, kuyilapho izimbozo eziyimpushana zingaba nohlu olugcwele lwemibala nokuqedwa
- Ibiza kakhulu kunezimbozo eziyimpushana, ezishibhile futhi ezingonga izindleko ezengeziwe ngokusebenzisa kabusha impushana efafazwe kakhulu.
Ingabe Kufanele Ngembathise I-Aluminium Yezakhiwo Nge-PVDF?
Kungase kuncike ezinhlelweni zakho zokusebenza kodwa uma ufuna okuhlala isikhathi eside kakhulu, ukumelana nemvelo, kanye nemikhiqizo ye-aluminium ehlala isikhathi eside ekhishwe noma egoqiwe, izimbotshana ze-PVDF zingakufanele.
