I-Polyester vs. I-Nylon Flat Slings: Ukumelana nemichiza kunye neeProfayili zokwandisa

Iplanti yekhemikhali idinga isilingi esicaba ukuze kunyuswe amalungu entsimbi engatyiwayo kwindawo apho kukho umsi weasidi. Indawo yokulungisa ulwandle idinga isilingi esikwaziyo ukuphatha ioyile yehydraulic kunye nokuvezwa kwamanzi olwandle. Yomibini imisebenzi ifuna izilingi ezenziweyo ezisicaba-kodwa ukhetho olufanelekileyo lwemathiriyeli lwahlukile nganye.

I-Lishenflex iye yenza i-synthetic izilingi ezisicaba ngaphezu kweminyaka engamashumi amabini, kwaye umbuzo omnye esiwuva rhoqo ngowokuba: Ipolyester okanye inayiloni-yeyiphi eyona nto ingcono? Impendulo ayifane ibelula. Ngokutsho kweWikipedia yokungena kwi-polyester , i-polyester luhlobo lweepolymers ezixatyisiweyo ngenxa yokuqina kwayo, ukuxhathisa iikhemikhali, kunye nokufunxa okuphantsi kokufuma. Ungeno lweWikipedia kwinayiloni icacisa ukuba inayiloni ixatyiswe ngokomelela kwayo, ukunwebeka, kunye nokumelana nokukrazuka. Zombini izixhobo zenza izilingi ezigqwesileyo zokuphakamisa, kodwa azitshintshi . Ngokutsho kweZiko laseKhanada leMpilo noKhuseleko lwaseMsebenzini (CCOHS) , izilingi zenayiloni zonakaliswa ziiasidi kodwa zixhathisa iialkali, ngoxa izilingi zepolyester zonakaliswa ziialkali kodwa zixhathisa iiasidi. Undoqo kukudibanisa izinto kunye nokusingqongileyo.

Ukuchasana kweMichiza: Umahluko obalulekileyo woKhuseleko

Owona mahluko ubalulekileyo phakathi kwe-polyester kunye ne-nylon flat slings kukuhambelana kwazo kweekhemikhali . Ukukhetha izinto ezingafanelekanga kummandla wemichiza kunokukhokelela kukusilela okuyintlekele—ngokufuthi ngaphandle kwesilumkiso esibonakalayo.

Ngokwesikhokelo sokuthelekisa izinto zeLiftex, , umahluko ophambili wokuxhathisa iikhemikhali zezi :

Umthombo: Liftex; CCOHS; CERTEX Denmark

I-CCOHS iqinisekisa ukuba i-nylon ixhomekeke ekuthotyweni kwi-acids ukusuka kwi-none ukuya kwi-degradation iyonke, ngelixa i-polyester ichasene ne-acids ezininzi kodwa yonakaliswe yi-alkalis. I-CERTEX Denmark yongeza ukuba izisombululo ze-acids okanye i-alkalis ezingenabungozi kwiindawo eziphantsi zinokuthi zigxininiswe ngokuphuma kwamanzi kwaye zenze umonakalo.

Isilumkiso esibalulekileyo sokhuseleko : Umonakalo wekhemikhali kwizilingi zokwenziwa zihlala zingabonakali . Imicu ibuthathaka ngaphakathi ngelixa isilingi sibonakala siqhelekile kumphezulu. Ngokutsho kwe -Empire Rigging , umonakalo weekhemikhali udla ngokungabonakali-iintsinga zibuthathaka ngaphakathi ngelixa i-sling ibonakala iqhelekileyo ngokugqibeleleyo ngaphandle, yingakho ukwazi indawo yakho ngaphambi kokuba ukhethe izinto zakho.

Ubume be-Acid-Khetha iPolyester

Xa uphakamisa kwiindawo nge-acid exposure-izityalo zekhemikhali, ukuveliswa kwebhetri, ukugqiba isinyithi, ii-mills zephepha-i -polyester lukhetho oluchanekileyo. Inayiloni, ngokuchaseneyo, itshatyalaliswa ngama-asidi. I-Mazzella Companies iphawula ukuba inayiloni iphantsi kokuthotywa kwe-acids ukusuka kwincinci ukuya kwi-degradation iyonke, ngelixa i-polyester ixhathisa kwii-asidi ezininzi. Isikhokelo soMveliso woMveliso we-NSRP silumkisa ukuba i-hydrochloric kunye ne-sulfuric acids, nakwifomu ehlanjululweyo, inokubangela ukulahleka okukhulu kwamandla kwi-nylon.

Indalo yeAlkali—Khetha inayiloni

Xa uphakamisa kwiindawo nge-alkali exposure-caustic cleaning solutions, ukuveliswa kwekhonkrithi, ukucwangciswa kweekhemikhali ezithile- inayiloni iyona nto ingcono. Ipolyester yonakaliswa ziialkali, ngelixa inayiloni ikhuselekile kwimpembelelo yeealkali. Isikhokelo seempawu zefayibha zeUNIROPE siphawula ukuba inayiloni inokumelana kakuhle nealdehydes, iihydrocarbons, iiethers, kunye nezinye iialkali.

Iiprofayili zoKwandiswa: Yolula Ngaphantsi Komthwalo

Umahluko omkhulu wesibini phakathi kwe-polyester kunye ne-nylon flat isilingi kubude -indlela isilingi solula ngayo xa silayishiwe.

ILiftex ibonelela ngale datha yolwandiso ilandelayo:

Umthombo: Liftex; UNIROPE

I-Polyester-Ukuchaneka kunye nokuzinza

Ubude obuphantsi bePolyester (3–4% kumthwalo olinganisiweyo) kwenza kube lolona khetho lukhethwayo:

• Ukubeka umthwalo ochanekileyo -ukwelula okuncinci kuthetha ukulawula okungcono

• Ukusetyenziswa kwegumbi elisezantsi- isithuba esincinci esithe nkqo esisetyenzisiweyo ngexesha lokuphakamisa

• Imithwalo engakwaziyo ukunyamezela ukutsiba okanye ukujinga

• Imisebenzi efuna ukuphakanyiswa okuzinzileyo, okunokuxelwa kwangaphambili

I-Empire Rigging ibonelela ngomzekelo osebenzayo: ukuphakamisa umthwalo we-20-foot nge-nylon sling eyolula i-10% iphumela malunga neenyawo ezimbini zobude, ngelixa isilingi se-polyester siya kunweba malunga nee-intshi ezisixhenxe kuphela. Kwiindawo ezixineneyo eziphezulu, lo mahluko ubalulekile.

Inayiloni-Ukufunxwa ngokothuka kunye 'Uxolelo'

Ubude obuphezulu benayiloni (6–10% kumthwalo olinganisiweyo) bubonelela:

• Ukufunxa okothusayo -izinto 'zinika' phambi kokuba zithathe amandla apheleleyo

• Ukunyamezela ukulayisha okunamandla -ngcono kwimithwalo eguqukayo ngexesha lokuphakanyiswa

• Uxolelo kwi-hardware engaqhelekanga -inayiloni ixolela ngakumbi ukuba ixhomekeke kwi-bunching kunye nokubekwa phezu kweemilo zehardware ezingaqhelekanga

• Umda wokhuseleko ophuculweyo wabaqhubi -i-stretch ithatha imithwalo yequbuliso

Ngokutsho kweLiftex , ukolulwa okuphezulu kwenayiloni kusebenza njengento yokutsala ukothuka, okwenza kube yinto ekhethwayo xa imithwalo inokutshintsha okanye xa ukulayisha okuguquguqukayo kuyinkxalabo.

Ukufuma kunye nokuphendula kwe-UV

Iziphumo zokufuma

Inayiloni i-hygroscopic —ifunxa ukufuma kwemekobume. Ngokutsho kwe- NSRP Ship Production Rigging Guide , i-nylon ilahlekelwa yi -15% yamandla ayo xa . i-Liftex emanzi kunye ne -CCOHS iqinisekisa oku, iphawula ukuba i-nylon slings inokulahlekelwa ngu-10-15% umthamo xa imanzi. Amandla abuyiselwa xa womiswe, kodwa isilingi akufuneki sisetyenziswe kumthamo olinganisiweyo xa simanzi.

Ipolyester ayifunxi manzi kwaye ayiphelelwa ngamandla xa imanzi. Oku kwenza i-polyester ibe lolona khetho luthandwayo:

• Usetyenziso lwaselwandle kunye nolwandle

• Ukunyuswa kwangaphandle kwiimeko ezimanzi

• Iindawo ezingqongileyo ezinomswakama ophezulu

I-CERTEX yaseDenmark iphawula ukuba i-Dyneema® ayifuni amanzi, ngokungafaniyo nezinye izinto ezifana ne-polyester kunye ne-polyamide.

Ukumelana ne-UV

I-Polyester inika ukuxhathisa okuphezulu kwe-UV xa kuthelekiswa nenylon. Iintsinga zenayiloni zichatshazelwa yimitha ye-UV kunye nokukhanya kwelanga, okukhokelela ekuphulukaneni namandla okukhulu ngokuhamba kwexesha. I-Mazzella Companies ilumkisa ukuba iindawo apho izilingi zewebhu zokwenziwa zisoloko zivezwa kukukhanya kwe-ultra-violet zinokuchaphazela amandla ewebhu ezenziweyo ngokwemigangatho eyahluka-hlukeneyo, ukusuka kokuncinci ukuya ekuwohlokeni ngokupheleleyo, kwaye ukuthotywa komgangatho kuyanda. Kwizilingi ezisetyenziswa ngaphandle okanye kwilanga elithe ngqo, ipolyester lolona khetho luhlala ixesha elide.

Imida yoBubushushu

Ngaphantsi kwe -EN 1492-1 , zombini i-polyester kunye ne-nylon izilingi ezisicaba zifanelekile ukusetyenziswa kunye nokugcinwa kwiqondo lokushisa -40 ° C ukuya kwi-100 ° C. Oku kusebenza kuzo zombini izixhobo. Nangona kunjalo, i-Empire Rigging iphawula umehluko osebenzayo kwimida yokusetyenziswa okuqhubekayo: inayiloni ilinganiswe ukuya kwi-194 ° F (90 ° C), ngelixa i-polyester ilinganiswe ukuya kwi-180 ° F (82 ° C) - iphantsi kancinci. Ngaphezulu kwala maqondo obushushu, izixhobo ziqala ukuphelelwa ngamandla.

Inqaku elibalulekileyo : Kwindawo yeekhemikhali, olu luhlu lobushushu lunokwahluka, kwaye kufuneka kufunwe ingcebiso yomthengisi.

Ukuchongwa: Ungayixelela njani iPolyester kwiNayiloni

I-ASME B30.9 kunye ne-WSDA-WS-1 zifuna ukuba isilingi ngasinye sewebhu sibe nethegi encanyathiselwe ngokusisigxina echaza imathiriyeli. Ukongezelela, izilingi zepolyester zinomgca oluhlaza okwesibhakabhaka olulukiweyo kwi-webbing - ukuba ubona umgca oluhlaza, yipolyester. Izilingi zenayiloni azinawo lo mgca wokuchonga. Inkqubo yokufakwa kwekhowudi yombala phantsi kwe-EN 1492-1 isebenza kuzo zombini izixhobo ngokulinganayo.

Isikhokelo soKhetho

Isishwankathelo kunye neeNgcebiso eziSebenzayo

Ipolyester kunye nezilingi ezisicaba zenayiloni zombini zinika amandla abalaseleyo kunye nokuqina, kodwa azitshintshi . Ukukhetha imathiriyeli engalunganga kwindawo yakho kunokukhokelela ekuthotyweni okufihlakeleyo kunye nokusilela ngequbuliso.

Izinto eziphambili ezithathwayo:

1. Ubume be-Acid = I-Polyester -inayiloni itshatyalaliswa ngama-asidi

2. Iindawo zealkali = Inayiloni -ipolyester yonakaliswe yialkali

3. Ukunyuswa okuchanekileyo = I-polyester -i-elongation ephantsi inika ulawulo

4. Imithwalo enamandla = Inayiloni -ukwelula okuphezulu kutsala izothuso

5. Ngaphandle/kumanzi = I-Polyester -i-UV-resistant kunye nokufuma

6. Jonga umgca oluhlaza okwesibhakabhaka —izilingi zepolyester zinomgca wetracer oluhlaza; inayiloni ayinayo

7. Soloko uqinisekisa ithegi —ASME B30.9 ifuna ukuchongwa okubonakalayo kwithegi yesilingi

I-Lishenflex yenza zombini i-polyester kunye ne-nylon flat slings ukuya kwi-EN 1492-1 kunye nemigangatho ye-ASME B30.9, kunye nokuchongwa kwezinto ezicacileyo kunye nokumakishwa komthamo onemibala. Sinikezela ngesikhokelo malunga nokukhethwa kwezinto ezisekelwe kwindawo ethile yeekhemikhali kunye neemfuno zesicelo.

Ukuba ufuna uncedo lokufumanisa ukuba ipolyester okanye inayiloni lukhetho olufanelekileyo lomsebenzi wakho wokuphakamisa-okanye ufuna uncedo ekuchongeni isilingi esifanelekileyo kwindawo esebenza ngemichiza-nceda uthumele i-imeyile sales@lishenflex.com , kunye neqela lethu lobugcisa liya kubonelela ngenkxaso yomntu ngamnye.