Walax noocee ah ayaa ka kooban warqadda birta ah ee midabka midabka leh ee C20?
Muuqaalka C20 waxa iska leh qayb ka mid ah xaashiyaha birta ah ee duuban (sida caadiga ah waxaa laga helaa saqafka saqafka iyo nidaamyada derbiyada). Substrate-keedu kuma koobna hal bir oo gaar ah; halkii, noocyada kala duwan ee birta dahaarka ah ayaa lagu doortaa iyadoo lagu saleynayo codsiga loogu talagalay iyo shuruudaha waxqabadka.
Substrate-ka la door biday waa birta dahaarka leh ee aluminium-zinc (Galvalume). Bir aluminium-zinc-midab leh oo leh maaddo zinc sare leh ayaa bixisa iska caabbinta daxalka oo heersare ah waxayna ku faantaa nolol adeeg ka badan 30 sano.
Ikhtiyaar kale waa bir galvanized ah oo kulul oo leh daahan zinc sare ah (sida caadiga ah ka kooban 180-275 g/m² oo zinc ah). Loo isticmaalo codsiyada qaab dhismeedka bannaanka, maaddadani waxay bixisaa ilaalin daxalka ka wanaagsan marka loo eego xaashida galvanized caadiga ah ee leh maadada zinc hoose.
Xaalado xaddidan - sida isticmaalka gudaha ama dhismayaasha ku meel gaarka ah - substrate bir qabow duuban oo midab midab leh ayaa la adeegsan karaa; si kastaba ha ahaatee, doorashadani waxay bixisaa caabbinta miridhku daciifka ah, iyo bir kasta oo daboolan waxay u nugul yihiin inay horumariyaan "daxalka cas."
Nidaamka Dahaarka: Waxa uu ka kooban yahay dahaar dabiici ah oo lagu dul mariyo filim daawaynta ka hor, kaas oo go'aaminaya caabbinta cimilada iyo tayada bilicda ee walxaha.
Dahaarka midabku maaha oo kaliya hal lakab oo rinji ah; Laakiin waa qaab-dhismeed isku-dhafan oo lagu abuuray hab-soo-saar heer-sare ah:
Dusha daawaynta ka hor: Nadiifinta, nadiifinta, iyo adeegsiga filimka beddelka kiimikaad (tusaale, chromate ama chrome-free passivation).
Noocyada Dahaarka Guud:
Polyester (PE): Dhaqaale iyo wax ku ool ah, oo bixiya dammaanad 5-7 sano ah; ku haboon xarumaha warshadaha guud.
Polyester-Durability Sare (HDP): Waxay bixisaa iska caabin cimilo oo waara 7-10 sano; waxay bixisaa qiimo aad u fiican oo lacag ah waxayna ku habboon tahay mashaariicda dhismaha ee u dhexeeya-ilaa-sare.
Fluorocarbon (PVDF): Waxay bixisaa adkeysi aan caadi ahayn (ka badan 20 sano) iyo iska caabin adag oo u ah shucaaca UV; sida caadiga ah loo isticmaalo bay'ada qallafsan, sida dhirta kiimikada iyo gobollada xeebaha.
"C20" ma aha koodka caadiga ah ee alaabta; halkii, waa magac-u-dhigid caadadii ah gudaha warshadaha xaashida duuban ee gudaha loo sameeyay ee xaashida jiingado ee "nooca C" leh oo dhererkeedu yahay 20 mm (oo la mid ah sida "35" ee code YX35-200-800 uu tilmaamayo dhererka ugu sarreeya). Magacaabistani waxay iftiiminaysaa sifooyinka soo socda:
Dhererka cirifka mawjada oo qiyaastii ah 20 mm, oo samaynaysa qayb iskutallaab ah oo qaabaysan oo C ah.
Haysashada qallafsanaan ku filan oo qaab dhismeedka si ay ugu adeegaan sidii guddi rarka qaadi kara oo ku dhex jira nidaamyada baqshadda dhismaha ee fudud.
Fududeynta rakibidda, fududaynta socodka shaqada ee degdegga ah ee dhismaha.
C20-profile xaashida birta ah ee midabka leh ayaa asal ahaan ah walxo isku dhafan oo ka kooban aluminium-zinc dahaarka ah (ama galvanized galvanized), dahaarka dusha sare ee Polyester, Polyester-Durability Sare, ama Fluorocarbon rinjiga dabiiciga ah, iyo qaab-dhismeedka qaab-dhismeedka oo duuban oo muujinaya 20 mm-sare C. corrugations Ma aha wax cusub oo dahsoon, laakiin waa urur warshadaysan oo qaan-gaadh ah-oo ay ka dambeeyaan substrate la isku halayn karo, oo ay ilaalinayaan dahaar shaqaynaya, oo ay xoojisay muuqaal si cilmiyaysan loo habeeyay-ugu dambayntii keenaya xal isku xidhan oo isku xidhan oo fudud, waara, oo degdeg ah in la rakibo.
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