Polyester vs. Nylon Flat Slings: Lik'hemik'hale tsa Resistance le Elongation Profiles

Semela sa lik'hemik'hale se hloka letjeketjane le bataletseng bakeng sa ho phahamisa likarolo tsa tšepe e sa hloekang sebakeng seo ho nang le mosi oa asiti. Setsi sa ho lokisa maoatleng se hloka letjeketjane le khonang ho sebetsana le oli ea haeteroliki le ho pepeseha ha metsi a leoatle. Ts'ebetso ka bobeli e hloka li-slings tsa maiketsetso - empa khetho e nepahetseng ea thepa e fapane bakeng sa e 'ngoe le e' ngoe.

Lishenflex esale e etsa lihlahisoa tsa maiketsetso li-slings tse bataletseng ka lilemo tse fetang mashome a mabeli, 'me potso e le' ngoe eo re e utloang khafetsa ke: Polyester kapa nylon - khetho e molemo ke efe? Hase hangata karabo e leng bonolo. Ho latela keno ea Wikipedia holim'a polyester , polyester ke sehlopha sa li-polymers tse bohlokoa bakeng sa ho tšoarella ha eona, ho hanyetsa lik'hemik'hale, le ho monya mongobo o tlase. Wikipedia holim'a nylon Keno ea e hlalosa hore nylon e nkoa e le ea bohlokoa ka lebaka la matla a eona, elasticity, le abrasion resistance. Lisebelisoa tsena ka bobeli li etsa li-slings tse ntle haholo tsa ho phahamisa, empa ha li fetohe . Ho ea ka Setsi sa Canada sa Bophelo bo Botle le Tšireletseho ea Mosebetsi (CCOHS) , li-slings tsa nylon li senngoa ke li-acids empa li hanana le alkalis, ha li-slings tsa polyester li senngoa ke alkalis empa li hanyetsa acid. Ntho ea bohlokoa ke ho bapisa thepa le tikoloho.

Khanyetso ea Lik'hemik'hale: Phapang e Bohlokoa ea Tšireletso

Phapang ea bohlokoa ka ho fetisisa lipakeng tsa polyester le nylon flat slings ke ho lumellana ha tsona ka lik'hemik'hale . Ho khetha thepa e fosahetseng bakeng sa tikoloho ea lik’hemik’hale ho ka lebisa ho hlōleheng ha koluoa—hangata ntle le temoso e bonahalang.

Ho latela tataiso ea papiso ea thepa ea Liftex, , phapang ea bohlokoa ea ho hanyetsa lik'hemik'hale ke :

Mohloli: Liftex; CCOHS; CERTEX Denmark

CCOHS e tiisa hore nylon e tlas'a ho senyeha ha li-acids ho tloha ho se seng ho ea ho ho senyeha ho feletseng, ha polyester e hanyetsana le li-acids tse ngata empa e senngoa ke alkalis. CERTEX Denmark e eketsa ka hore litharollo tsa li-acids kapa alkalis tse se nang kotsi maemong a tlase li ka kenella ka har'a mouoane 'me tsa baka tšenyo.

Tlhokomeliso ea bohlokoa ea polokeho : Tšenyo ea lik'hemik'hale ho li-slings tsa maiketsetso hangata ha e bonahale . Likhoele lia fokola ka hare ha letjeketjane le bonahala le tloaelehile ka holimo. Ho ea ka Empire Rigging , hangata tšenyo ea lik'hemik'hale ha e bonahale-likhoele li fokolisa ka hare ha letjeketjane le shebahala le tloaelehile ka ntle, ke ka lebaka leo ho tseba tikoloho ea hau ho bohlokoa pele u khetha thepa ea hau.

Libaka tsa Acid-Khetha Polyester

Ha o phahamisa tikolohong e nang le acid e pepesehileng - limela tsa lik'hemik'hale, tlhahiso ea betri, ho qeta tšepe, liiloana tsa pampiri - polyester ke khetho e nepahetseng. Nylon, ka lehlakoreng le leng, e senngoa ke li-acids. Mazzella Companies e hlokomela hore nylon e ka senyeha ka har'a li-acids ho tloha ho tse nyenyane ho ea ho ho senyeha ho feletseng, ha polyester e hanyetsana le li-acid tse ngata. The NSRP Ship Production Rigging Guide e lemosa hore hydrochloric le sulfuric acid, leha e le ka mokhoa o hlapollotsoeng, e ka baka tahlehelo e kholo ea matla ho nylon.

Libaka tsa Alkali-Khetha Nylon

Ha u phahamisa libakeng tse nang le ts'ebetso ea alkali-litharollo tsa ho hloekisa caustic, tlhahiso ea konkreite, ts'ebetso e itseng ea lik'hemik'hale - nylon ke khetho e ntle. Polyester e senngoa ke alkalis, ha nylon e batla e se na phello ea alkalis. Tataiso ea UNIROPE ea litšobotsi tsa fiber e bontša hore nylon e na le khanyetso e ntle ho aldehydes, hydrocarbon, ethers, le alkalis tse ling.

Elongation Profiles: Otlolla Tlas'a Mojaro

Phapang ea bobeli e khōlō pakeng tsa polyester le matjeketjane a nylon a bataletseng ke bolelele —hore na letjeketjane le otloloha hakae ha le laetsoe.

Liftex e fana ka lintlha tse latelang tsa elongation:

Mohloli: Liftex; UNIROPE

Polyester - e nepahetseng le e tsitsitseng

Polyester e telele e tlase (3-4% ka mojaro o lekantsoeng) e etsa hore e be khetho e ratoang bakeng sa:

• Ho beha mojaro ka nepo - ho otlolla ho fokolang ho bolela taolo e ntle

• Lisebelisoa tsa li-headroom tse tlase - sebaka se tlase se emeng se sebelisoang nakong ea lifti

• Meroalo e ke keng ea mamella ho qhoma kapa ho thekesela

• Ts'ebetso e hlokang ho phahamisoa ho tsitsitseng, ho ka lebelloang esale pele

Empire Rigging e fana ka mohlala o sebetsang: ho phahamisa mojaro oa maoto a 20 ka letjeketjane la nylon le otlollang 10% ho fella ka bolelele ba limithara tse ka bang peli, athe letjeketjane la polyester le ne le ka otlolla hoo e ka bang lisenthimithara tse supileng feela. Libakeng tse thata tse holimo, phapang eo ea bohlokoa.

Nylon - Ho monya Shock le 'tšoarelo'

Bolelele bo phahameng ba nylon (6-10% ka mojaro o lekantsoeng) bo fana ka:

• Ho monya ho tsukutlehang -thepa 'e fana' pele e sebelisoa ka matla

• Matla a ho jara ho mamella - ho molemo bakeng sa meroalo e fetohang nakong ea ho phahamisa

• Tšoarelo holim'a hardware e sa tloaelehang - nylon e tšoarela haholoanyane haeba e ka kopanngoa le ho behoa holim'a libopeho tse sa tloaelehang tsa hardware.

• Moeli o ntlafalitsoeng oa polokeho ea opareitara - ho otlolla ho monya meroalo ea tšohanyetso

Ho ea ka Liftex , sebaka se phahameng sa nylon se sebetsa e le ntho e etsang hore motho a tšohe, e leng se etsang hore e be khetho e ratoang ha meroalo e ka fetoha kapa ha ho kenya letsoho ka matla.

Mongobo le Karabelo ea UV

Liphello Tsa Mongobo

Nylon e na le hygroscopic - e monya mongobo o tsoang tikolohong. Ho ea ka NSRP Ship Production Rigging Guide , nylon e lahleheloa ke 15% ea matla a eona ha . Liftex e metsi le CCOHS li tiisa sena, ho hlokomela hore li-slings tsa nylon li ka lahleheloa ke matla a 10-15% ha li le metsi. Matla a khutlisoa ha ho omisoa, empa letjeketjane ha lea lokela ho sebelisoa ka tekanyo e lekantsoeng ha le kolobile.

Polyester ha e monye metsi ebile ha e felloe ke matla ha e kolobile. Sena se etsa hore polyester e be khetho e ratoang bakeng sa:

• Lisebelisoa tsa metsing le leoatleng

• Ho phahamisa ka ntle maemong a mongobo

• Libaka tse nang le mongobo o phahameng

CERTEX Denmark e hlokomela hore Dyneema® ha e monye metsi, ho fapana le lisebelisoa tse ling tse kang polyester le polyamide.

Khanyetso ea UV

Polyester e fana ka khanyetso e phahameng ea UV ha e bapisoa le nylon. Likhoele tsa nylon li angoa ke mahlaseli a UV le khanya ea letsatsi, e leng se bakang tahlehelo e kholo ea matla ha nako e ntse e feta. Mazzella Companies e hlokomelisa hore libaka tseo ho tsona li-slings tsa maiketsetso li pepesetsoang khanya e khanyang ea ultra-violet li ka ama matla a tepo ea maiketsetso ka litekanyo tse fapaneng, ho tloha ho honyenyane ho ea ho ho senyeha ho feletseng, le hore ho senyeha ho ntse ho eketseha . Bakeng sa li-slings tse sebelisoang ka ntle kapa letsatsing le tobileng, polyester ke khetho e tšoarellang ho feta.

Meeli ea Mocheso

Tlas'a EN 1492-1 , bobeli ba likhoele tsa polyester le nylon tse bataletseng li loketse ho sebelisoa le ho bolokoa maemong a mocheso -40°C ho isa ho 100°C . Sena se sebetsa ho lisebelisoa ka bobeli. Leha ho le joalo, Empire Rigging e hlokomela phapang e sebetsang meeling ea tšebeliso e tsoelang pele: nylon e lekantsoe ho fihlela ho 194 ° F (90 ° C), ha polyester e lekantsoe ho fihlela ho 180 ° F (82 ° C) - e tlaase hanyenyane. Ka holim'a mocheso ona, lisebelisoa li qala ho felloa ke matla.

Ntlha ea bohlokoa : Sebakeng sa lik'hemik'hale, mekhahlelo ena ea mocheso e ka 'na ea fapana,' me keletso ea mofani oa thepa e lokela ho batloa .

Boitsebiso: Mokhoa oa ho bolella Polyester ho tloha Nylon

ASME B30.9 le WSDA-WS-1 li hloka hore letjeketjane le leng le le leng la tepo le be le theke e khomaretsoeng ka ho sa feleng e bolelang thepa . Ho phaella moo, matjeketjane a polyester a na le khoele e putsoa e khethollang e lohelletsoeng ka har’a tepo —haeba u bona khoele e putsoa, ​​ke polyester. Li-slings tsa nylon ha li na mohala ona oa boitsebahatso. Sistimi ea likhoutu tsa mebala tlasa EN 1492-1 e sebetsa ho lisebelisoa ka bobeli ka ho lekana.

Tataiso ea Khetho

Kakaretso le Likhothaletso tse Sebetsang

Li-slings tse bataletseng tsa polyester le nylon li fana ka matla le ho tšoarella nako e telele, empa ha li fetohe . Ho khetha thepa e fosahetseng bakeng sa tikoloho ea hau ho ka lebisa ho senyeha ho patehileng le ho hlōleha ka tšohanyetso.

Lintlha tsa bohlokoa:

1. Tikoloho ea asiti = Polyester —nylon e senngoa ke acid

2. Libaka tsa alkali = Nylon - polyester e senngoa ke alkalis

3. Lilifshoa tse nepahetseng = Polyester - bolelele bo tlase bo fana ka taolo

4. Meroalo e matla = Nylon - sebaka se phahameng se monya litšisinyeho

5. Ka ntle/metsi = Polyester —e hanana le UV ebile e thibela mongobo

6. Sheba mola o moputsoa —matjeketjane a polyester a na le mola o moputsoa; nylon ha e joalo

7. Netefatsa tag ka linako tsohle -ASME B30.9 e hloka boitsebiso ba thepa ho theke ea letjeketjane

Lishenflex e etsa likhoele tsa polyester le nylon tse bataletseng ho latela maemo a EN 1492-1 le ASME B30.9, tse nang le boitsebiso bo hlakileng ba thepa le matšoao a matla a nang le mebala. Re fana ka tataiso mabapi le khetho ea thepa ho latela tikoloho ea hau ea lik'hemik'hale le litlhoko tsa kopo.

Haeba u hloka thuso ea ho tseba hore na polyester kapa nylon ke khetho e nepahetseng bakeng sa ts'ebetso ea hau ea ho phahamisa-kapa u hloka thuso ea ho tseba letjeketjane le nepahetseng bakeng sa tikoloho e sebetsang ka lik'hemik'hale - ka kopo romella lengolo-tsoibila ho sales@lishenflex.com , mme sehlopha sa rona sa tekheniki se tla fana ka ts'ehetso ea motho a le mong.