Polyester vs. Nylon Flat Slings: Nnuru a ɛko tia ne tenten ho nsɛm

Nnuruyɛ adwumayɛbea hia afiri a ɛyɛ tratraa a wɔde bɛma dade a ɛnyɛ den mu nneɛma so wɔ baabi a acid wusiw wɔ. Po so adwumayɛbea bi hia agyan a ebetumi adi hydraulic ngo ne po mu nsu a ɛbɛda adi ho dwuma. Oprehyɛn abien no nyinaa hwehwɛ sɛ wɔde nhama a ɛyɛ tratraa a wɔayɛ —nanso ɛsono nneɛma a ɛfata a wɔpaw ma emu biara.

Lishenflex ayɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma slings a ɛyɛ tratraa bɛboro mfe aduonu, na asɛmmisa biako a yɛtaa te ne sɛ: Polyester anaa nylon —ehe na eye sen biara? Mmuae no ntaa nyɛ mmerɛw. Sɛnea Wikipedia nsɛm a ɛfa polyester ho kyerɛ no , polyester yɛ polymers kuw bi a wɔbu no sɛ ɛsom bo esiane sɛ ɛtra hɔ kyɛ, nnuru a ɛko tia, na ɛmma nsu ntumi nkɔ mu pii nti. Wikipedia ’s entry on nylon kyerɛkyerɛ mu sɛ wɔbu nylon sɛ ɛsom bo esiane n’ahoɔden, n’ahoɔden, ne n’abrabɔ a ɛko tia nti. Nneɛma abien no nyinaa yɛ nhama a eye kyɛn so a wɔde ma so, nanso wontumi nsesa . Sɛnea Canada Asoɛe a Ɛhwɛ Adwumayɛ mu Akwahosan ne Ahobammɔ So (CCOHS) kyerɛ no , acid sɛe nylon nhama nanso ɛko tia alkalis, bere a polyester nhama no sɛe alkalis nanso ɛko tia acid . Ade titiriw ne sɛ wɔbɛma nsɛm no ne nneɛma a atwa yɛn ho ahyia no ahyia.

Nnuru a Ɛko Tia: Nsonsonoe a Ɛho Hia a Ɛwɔ Ahobammɔ Mu

Nsonsonoe a ɛho hia sen biara a ɛda polyester ne nylon flat slings ntam ne nnuru a ɛne ne ho hyia . Sɛ wɔpaw ade a ɛnteɛ a wɔde bɛyɛ nnuru a atwa yɛn ho ahyia a, ebetumi ama wɔadi huammɔ kɛse—mpɛn pii no, wɔmfa kɔkɔbɔ a wotumi hu mma.

Sɛnea Liftex nneɛma ntotoho akwankyerɛ kyerɛ no, , nsonsonoe atitiriw a ɛwɔ nnuru a ɛko tia mu ne :

Faako a wonyae: Liftex; CCOHS; CERTEX Denmark na ɛyɛ adwuma

CCOHS si so dua sɛ nylon tumi sɛe wɔ acid mu a efi nea enni hɔ so kosi nea ɛsɛe koraa so, bere a polyester tumi gyina acid pii ano nanso alkalis sɛe no . CERTEX Denmark de ka ho sɛ acid anaa alkalis a wɔde ahyɛ mu a ɛnyɛ asiane biara wɔ dodow a ɛba fam mu no betumi ayɛ nea ɛyɛ hyew denam nsu a ɛyɛ hyew so na asɛe ade .

Ahobammɔ ho kɔkɔbɔ a ɛho hia : Mpɛn pii no wontumi nhu nnuru a ɛsɛe ade a wɔde hyɛ afiri a wɔde yɛ nneɛma mu . Nhama no yɛ mmerɛw wɔ mu bere a ɛte sɛ nea sling no te sɛ nea ɛte wɔ soro no. Sɛnea Empire Rigging kyerɛ no , mpɛn pii no wontumi nhu nnuru a ɛsɛe ade—nhama no yɛ mmerɛw wɔ mu bere a sling no te sɛ nea ɛteɛ koraa wɔ akyi no, na ɛno nti na nneɛma a atwa wo ho ahyia a wubehu ansa na woapaw wo nneɛma no .

Acid Nneɛma a Atwa Yɛn Ho Ahyia—Paw Polyester

Sɛ wɔma so wɔ mmeae a acid wɔ mu—nnuruyɛ mfiri, batere a wɔyɛ, dade a wɔde wie, nkrataa a wɔde yɛ nneɛma— a, polyester ne nea ɛfata. Nea ɛne eyi bɔ abira no, acid sɛe nylon. Mazzella Companies ka sɛ nylon tumi sɛe wɔ acid mu a efi kakraa bi kosi nea ɛsɛe koraa, bere a polyester tumi ko tia acid pii . NSRP Ship Production Rigging Guide bɔ kɔkɔ sɛ hydrochloric ne sulfuric acid, sɛ wɔde ahyɛ mu mpo a, ebetumi ama ahoɔden a ɛwɔ nylon mu no ayera kɛse .

Alkali Nneɛma a Atwa Yɛn Ho Ahyia—Paw Nylon

Sɛ wɔma so wɔ mmeae a alkali wɔ hɔ—aduru a wɔde tew nneɛma ho a ɛyɛ hyew, kɔnkrit a wɔyɛ, nnuru bi a wɔde yɛ adwuma—no, nylon ne nea eye sen biara. Alkali sɛe polyester, bere a ɛkame ayɛ sɛ nylon ntumi nnya alkalis nkɛntɛnso . UNIROPE nhama su ho akwankyerɛ no ka sɛ nylon tumi gyina aldehydes, hydrocarbons, ethers, ne alkalis binom ano yiye .

Elongation Profiles: Trɛw mu wɔ Adesoa ase

Nsonsonoe titiriw a ɛto so abien a ɛda polyester ne nylon nhama a ɛyɛ tratraa ntam ne sɛnea ɛtrɛw —sɛnea agyan no trɛw bere a wɔde nneɛma ahyɛ mu no.

Liftex de elongation data a edidi so yi ma :

Faako a wonyae: Liftex; UNIROPE na ɛyɛ adwuma

Polyester—Pɛpɛɛpɛ ne Gyinabea

Polyester tenten a ɛba fam (3–4% wɔ adesoa a wɔahyɛ no) ma ɛyɛ nea wɔpɛ sɛ wɔpaw ma :

• Adesoa a wɔde si hɔ pɛpɛɛpɛ —ntrɛwmu kakraa bi kyerɛ sɛ wobedi so yiye

• Low-headroom applications —a ɛho nhia sɛ wɔde gyina hɔ bere a wɔrema so no

• Adesoa a entumi nnyina sɛnea ɛbɛhuruhuruw anaasɛ ɛbɛwosow ano

• Dwumadi ahorow a ɛhwehwɛ sɛ wɔma nneɛma so a ɛyɛ den na wotumi hyɛ ho nkɔm

Empire Rigging de nhwɛso a mfaso wɔ so ma: sɛ wɔde nylon agyan a ɛtrɛw 10% ma adesoa a ne tenten yɛ anammɔn 20 so a, ɛma ɛyɛ tenten bɛyɛ anammɔn abien, bere a polyester agyan bɛtrɛw bɛyɛ nsateakwaa ason pɛ . Wɔ mmeae a ɛyɛ den a ɛwɔ soro no, saa nsonsonoe no ho hia.

Nylon—Shock Absorption ne 'Fafiri'.

Nylon no tenten a ɛkorɔn (6–10% wɔ adesoa a wɔahyɛ no agyirae) ma :

• Shock absorption —ade no 'ma' ansa na agye ahoɔden nyinaa

• Dynamic loading tolerance —ɛye ma nnesoa a ɛsakra bere a wɔrema so no

• Fafiri a wɔde ma wɔ hardware a ɛnkɔ so daa ho —nylon de bɔne kyɛ kɛse sɛ wɔde gu bunching mu na wɔde si hardware nsusuwii a ɛnkɔ so daa so a

• Enhanced operator safety margin —stretch no twetwe nnesoa a ɛba mpofirim

Sɛnea Liftex kyerɛ no , nylon a ɛtrɛw kɛse no yɛ adwuma sɛ ade a ɛtwetwe ahodwiriw, na ɛma ɛyɛ nea wɔpɛ bere a nnesoa betumi asesa anaasɛ bere a adesoa a ɛyɛ nnam yɛ ade a ɛhaw adwene no .

Nsu ne UV Mmuae

Nsuo a Ɛma Nsuo Yɛ

Nylon yɛ nsuo a ɛtumi kɔ nsuo mu —ɛtwe nsuo a ɛfiri nneɛma a atwa yɛn ho ahyia mu. Sɛnea NSRP Ship Production Rigging Guide kyerɛ no , nylon hwere n’ahoɔden 15% bere a ɛyɛ nsu . Liftex ne CCOHS si eyi so dua, na wɔhyɛ no nsow sɛ nylon slings betumi ahwere tumi 10–15% bere a ɛyɛ nsu . Ahoɔden san ba bere a ɛyow no, nanso ɛnsɛ sɛ wɔde sling no di dwuma wɔ dodow a wɔahyɛ sɛ ɛyɛ den mu bere a ɛyɛ nsu no.

Polyester ntwe nsu na sɛ ɛyɛ nsu a , ahoɔden nsɛe no . Eyi ma polyester yɛ nea wɔpɛ ma :

• Po so ne mpoano dwumadie

• Abɔnten so lifts wɔ tebea horow a ɛyɛ nsu mu

• Nneɛma a atwa yɛn ho ahyia a ɛhɔ yɛ nwini kɛse

CERTEX Denmark ka sɛ Dyneema® ntwe nsu, ɛnte sɛ nneɛma afoforo te sɛ polyester ne polyamide .

UV a Ɛko Tia

Polyester ma UV tumi ko tia yiye bere a wɔde toto nylon ho no . UV mframa ne owia hann nya nylon nhama so nkɛntɛnso, na ɛma ahoɔden a ɛyera kɛse bere kɔ so no . Mazzella Nnwumakuw bɔ kɔkɔ sɛ mmeae a wɔde nhama a wɔde ayɛ nhama kɔ so hyɛ hann a ɛyɛ violet kɛse mu no betumi aka nhama a wɔde ayɛ nhama no ahoɔden wɔ ɔkwan soronko so, efi nea ɛsɛe kakra so kosi nea ɛsɛe koraa so, na sɛe no yɛ nea ɛboaboa ano . Wɔ slings a wɔde di dwuma wɔ abɔnten anaa owia hann tẽẽ fam no, polyester ne nea ɛkyɛ sen biara.

Ɔhyew a Ɛwɔ Anohyeto Ahorow

Wɔ ase no EN 1492-1 , polyester ne nylon flat slings nyinaa fata sɛ wɔde di dwuma na wɔkora so wɔ ɔhyew a ɛwɔ -40°C kosi 100°C mu . Eyi fa nneɛma abien no nyinaa ho. Nanso, Empire Rigging hyɛ nsonsonoe a mfaso wɔ so wɔ anohyeto ahorow a wɔde di dwuma bere nyinaa mu no nsow: nylon yɛ 194°F (90°C), bere a polyester yɛ 180°F (82°C)—ɛba fam kakra . Sɛ ɛboro saa ɔhyew yi so a, nneɛma no fi ase hwere ahoɔden.

Nsɛm a ɛho hia : Wɔ nnuru tebea mu no, ɔhyew a ɛwɔ hɔ yi betumi ayɛ soronko, na ɛsɛ sɛ wɔhwehwɛ afotu fi nea ɔde ma no hɔ .

Nkyerɛkyerɛmu: Sɛnea Wohu Polyester fi Nylon mu

ASME B30.9 ne WSDA-WS-1 hwehwɛ sɛ wɛb sling biara nya tag a ɛbata ho daa a ɛkyerɛ nneɛma no . Nea ɛka ho no, polyester slings wɔ hama bruu bi a wɔanwene wɔ webbing no mu —sɛ wuhu hama bruu no a, ɛyɛ polyester . Nylon slings nni saa nkyerɛwde yi. Kɔla-coding nhyehyɛe a ɛwɔ EN 1492-1 ase no fa nneɛma abien no nyinaa ho pɛpɛɛpɛ.

Akwankyerɛ a Ɛfa Nneɛma a Wɔpaw Ho

Nsɛm a Wɔaboaboa Ano ne Nyansahyɛ a Mfaso

Polyester ne nylon flat slings nyinaa ma ahoɔden ne ahoɔden a ɛkyɛn so, nanso wontumi nsesa . Sɛ wopaw nneɛma a ɛnteɛ ma nneɛma a atwa wo ho ahyia a, ebetumi ama woasɛe nneɛma a ahintaw na woadi nkogu mpofirim.

Nneɛma atitiriw a wɔde kɔ:

1. Acid nneɛma a atwa yɛn ho ahyia = Polyester —nylon yɛ nea acid sɛe

2. Alkali nneɛma a atwa yɛn ho ahyia = Nylon —polyester yɛ nea alkali sɛe

3. Precision lifts = Polyester —ntrɛwmu a ɛba fam ma wotumi di so

4. Dynamic loads = Nylon —ntrɛwmu a ɛkorɔn no twetwe ahodwiriw

5. Abɔnten/nsu = Polyester —a ɛko tia UV na ɛko tia nsuo

6. Hwɛ nhama a ɛyɛ bruu no —polyester slings wɔ tracer line bruu; nylon nyɛ saa

7. Bere nyinaa hwɛ sɛ tag no yɛ nokware —ASME B30.9 hwehwɛ sɛ wɔkyerɛ nneɛma a ɛwɔ sling tag no so

Lishenflex yɛ polyester ne nylon flat slings nyinaa sɛnea EN 1492-1 ne ASME B30.9 gyinapɛn ahorow te, a nneɛma a wɔde kyerɛ pefee ne tumi agyiraehyɛde a wɔde kɔla ahyɛ mu. Yɛde akwankyerɛ ma wɔ nneɛma a wobɛpaw a egyina wo nnuru pɔtee a atwa wo ho ahyia ne sɛnea wode di dwuma ahwehwɛde ahorow so ma.

Sɛ wuhia mmoa a wode bɛkyerɛ sɛ ebia polyester anaa nylon yɛ nea ɛfata ma wo adwuma a wode ma nneɛma so —anaasɛ wuhia mmoa a wode behu afiri a ɛfata a wode bɛkɔ baabi a nnuru wɔ a —yɛsrɛ wo fa email kɔma sales@lishenflex.com , na yɛn mfiridwuma kuw no de mmoa bɛma mmiako mmiako.