Dɛn Ne Mmara a Ɛfa 1/10 a Ɛfa Flat Sling a Wobɛkɔ Pɛnhyen Ho?

Riging sohwɛfo bi hwehwɛ a flat sling  a wɔde asram pii ayɛ adwuma. N’ano no ayɛ mmerɛw kakra, na ne soro no kyerɛ sɛ ayɛ mmerɛw kakra. Sling no te sɛ nea ahu nna a eye —nanso so ɛda so ara yɛ nea asiane biara nni ho sɛ wɔde bedi dwuma?

 

Mmuae no wɔ mmara a ɛnyɛ den mu: 1/10 mmara no. Sɛnea EN 1492-1, Europa gyinapɛn a ɛfa nhama a wɔanwene a ɛyɛ tratraa ho kyerɛ no, sɛ abrasive a wɔsɛe no ma nhama no trɛw so tew mfitiase trɛw no nkyem du mu biako anaa nea ɛboro saa a, ɛsɛ sɛ woyi afiri no fi adwumayɛ mu ntɛm ara . Saa ara nso na ASME B30.9 gye tom sɛ abrasive wear boro so —ɔsɛe a ɛtew sling no ntwemu so anaasɛ ɛma core yarns da adi —sɛ tebea a ɛhwehwɛ sɛ obi kɔ pɛnhyen.

 

Lishenflex  ayɛ synthetic flat slings bɛboro mfe aduonu ni, na yɛn afuw mu data kyerɛ sɛ abrasion yɛ nneɛma a ɛtaa ma sling kɔ pɛnhyen no mu biako. Nanso riggers pii di apere sɛ wobehu bere a wɔhyɛ 'boro so.' 1/10 mmara no de aboboano a emu da hɔ, a wotumi susuw ma.

 

Dɛn Ne 1/10 Mmara no?

1/10 mmara no ka sɛ ɛsɛ sɛ woyi sling a ɛyɛ tratraa fi adwuma mu bere a abrasive wear ama webbing no trɛw so atew 1/10 anaa nea ɛboro saa wɔ mfitiase trɛw no so no.

 

Wɔ nneyɛe mu no, eyi kyerɛ sɛ:

 

Faako a wonyae: EN 1492-1; ASME B30.9

 

Mmara no fa abrasive wear ho  pɔtee —ɛnyɛ nea wɔatwitwa, atetew, anaa nneɛma afoforo a ɛsɛe ade. Nanso, sɛ wɔfa ɔsɛe ne nneɛma afoforo a asɛe a wɔaka abom so du 1/10 aboboano no a, ɛsɛ sɛ wɔda so ara kɔ sling no kɔ pɛnhyen.

 

Dɛn nti na 1/10 Mmara no?

1/10 aboboano no nyɛ nea wɔpɛ. Sɛnea nnwuma mu sɔhwɛ ho nsɛm kyerɛ no, sɛ wotwa anoano 10% a, ebetumi atew sling tumi so 35% . Bere a 1/10 mmara no di abrasive wear (sen sɛ wobetwitwa) ho dwuma titiriw no, nnyinasosɛm no yɛ ade koro: sɛ wɔtew webbing no trɛw so 10% pɛ a, sling no ahoɔden sɛe kɛse.

 

EN 1492-1  gyinapɛn no kyerɛ sɛ ɛsɛ sɛ wɔhwehwɛ nhama a wɔanwene a ɛyɛ tratraa no mu hwɛ sɛ ebia abrasive webbing no asɛe a ɛsɛe webbing no akodu baabi a mfitiase ntrɛwmu no so tew anaa. ASME B30.9 nso hwehwɛ sɛ woyi slings a abrasive wear dodo no fi adwumayɛ mu.

 

Lishenflex lab sɔhwɛ no si so dua sɛ slings a ne tɛtrɛtɛ so tew 10% esiane abrasion nti no kyerɛ sɛ ahoɔden a ɛbubu no so tew a wobetumi asusuw —mpɛn pii no 15–25% a egyina sɛnea ɛhyɛ no so. Eyi nti na 1/10 mmara no yɛ ahobammɔ a ɛho hia no.

 

Sɛnea Wosusuw Webbing Trɛw

Nsusuwii a edi mu ho hia na ama wɔde 1/10 mmara no adi dwuma yiye.

 

Nnwinnade a Wɔhwehwɛ

 

• Teyp anaa ruler a wɔde susuw nneɛma a ɛwɔ milimita graduations

• Calipers a wɔde susuw nneɛma pɛpɛɛpɛ (wɔkamfo kyerɛ ma nsɛm a ɛwɔ ɔhye so) .

• Magnifying glass (a wopɛ) a wɔde hwɛ sɛnea anoano asɛe

 

Ɔkwan a Wɔfa so Sua Ade

 

1. Paw sling no fã a asɛe kɛse—mpɛn pii no wɔ sling no tenten mfinimfini anaa mmeae a ɛne adesoa anaa nneɛma a wɔde ma so no di nkitaho

 

2. Sua ne tɛtrɛtɛ a edi kan no—hwɛ sling no agyiraehyɛde anaa nea ɔyɛe no ho nsɛm. Sɛ mfitiase trɛw no nni hɔ a, susuw afiri koro no ara fã bi a wɔanhyɛ

 

3. Susuw ne tɛtrɛtɛ a asɛe no—wɔ beae a ɛyɛ teateaa sen biara wɔ baabi a asɛe no

 

4. Bu wear = Mfitiaseɛ trɛw − Worn trɛw

 

5. Bu ɔha biara mu nkyem = Hyɛ ÷ Mfitiase trɛw × 100% .

 

6. Fa 1/10 mmara no di dwuma —sɛ wohyɛ ≥ 10% wɔ mfitiase trɛw mu a, gyae sling no

Nsɛntitiriw a Ɛho Hia

 

• Susuw ne tɛtrɛtɛ no nyinaa —ɛnyɛ baabi a emu dɔ sen biara no nkutoo

• Susuw wɔ mmeae pii —ebia nea ɛho asɛe no nyɛ pɛ

• Kyerɛw wo susudua ahorow—kora nhwehwɛmu ho kyerɛwtohɔ so sɛnea ASME B30.9 ahwehwɛde ahorow te

 

Ntease a ɛnteɛ a Ɛtaa Ba

Adwene a ɛnteɛ pii a wɔtaa nya no betumi ama wɔde 1/10 mmara no adi dwuma wɔ ɔkwan a ɛnteɛ so:

 

Sɛnea ASME B30.9 kyerɛ no, wɔkyerɛ abrasive wear a ɛboro so ase sɛ wear a ɛma core yarns no da adi anaasɛ ɛtew sling no cross-section so. Bere a ASME B30.9 nkyerɛ pefee sɛ '1/10' wɔ ɔkwan koro no ara so EN 1492-1  yɛ saa, gyinapɛn no gye tom sɛ sɛ nea ɛho asɛe no du baabi a ɛda adi wɔ ne mu anaasɛ wɔatew ne fã a wɔatwa no so a, ɛsɛ sɛ wɔma afiri no kɔ pɛnhyen.

 

Nanso EN 1492-1 no da adi pefee: abrasive wear a ɛtew webbing no trɛw so 1/10 anaa nea ɛboro saa yɛ tebea a ɛsɛ sɛ woyi fi adwuma mu ntɛm ara.

Nneɛma Afoforo a Wɔde Kɔ Pɛnhyen a Wɔde Yɛ Flat Slings

1/10 mmara no yɛ pɛnhyenkɔ gyinapɛn ahorow pii no mu biako. Sɛnea ASME B30.9 kyerɛ no, ɛsɛ sɛ wɔde sling a ɛyɛ tratraa nso kɔ pɛnhyen bere a:

 

• Nkyerɛwde a ɛkyerɛ sɛ obi hu obi a ayera anaasɛ wontumi nkenkan

• Acid anaasɛ ɔhyew a ɛyɛ hyew

• Adanse a ɛkyerɛ sɛ ɔhyew asɛe—ɛyɛ nwene, ɛyɛ hyew, anaasɛ ɛyɛ akisikuru

• Tokuru anaa ntetewmu a ɛda core yarns adi

• Npam a abubu anaasɛ asɛe wɔ adesoa-soa nhama mu

• Knots wɔ sling nipadua no mu

• Kɔla a ɛsakra ne mmeae a ɛyɛ mmerɛw anaasɛ ɛyɛ den a ɛkyerɛ sɛ nnuru anaa UV/owia hann asɛe

• Fittings a ɛwɔ amena, asɛe, apaapae, abɔ, akyeakyea, anaa abubu

 

Sɛnea EN 1492-1 kyerɛ no, ɛsɛ sɛ wɔde slings a ɛyɛ tratraa nso kɔ pɛnhyen bere a ntwitwiridii asɛe a ɛhyɛn webbing anaa seam asɛe a ɛka adesoa-soa tumi no wɔ hɔ no.

 

Nea Wɔde Di Dwuma a Mfaso Mu

Sɛnea ɛbɛyɛ na wɔahwɛ ahu sɛ wɔde 1/10 mmara no bedi dwuma bere nyinaa:

 

1. Tete wo kuw no —hwɛ hu sɛ riggers ne adwuma so ahwɛfo nyinaa nim sɛnea wɔsusuw webbing trɛw pɛpɛɛpɛ

 

2. Fa calipers di dwuma ma susuw pɛpɛɛpɛ—teapɔn susuw betumi ayɛ nea ɛnteɛ wɔ nsakrae nketenkete ho

 

3. Nwoma mu nhwehwɛmu —kora kyerɛwtohɔ a ɛkyerɛ mfitiaseɛ ntrɛmu ne nna a wɔsusuu

 

4. Hyɛ agyan a asɛm wɔ ho agyirae—kyerɛ agyan a ɛwɔ ɔhye so pefee na ama wɔatumi ahwɛ mu yiye

 

5. Kɔ pɛnhyen ntɛm ara —sɛ nea ɛho asɛe no du 10% a, yi sling no fi adwuma mu na sɛe no

 

Nsɛm a Wɔaboaboa Ano ne Nyansahyɛ a Mfaso

1/10 mmara no ma wonya aboboano a emu da hɔ, a wotumi susuw ma slings a ɛyɛ tratraa a ɛkɔ pɛnhyen esiane abrasive wear nti. Sɛ wɔtew webbing no trɛw so 10% anaa nea ɛboro saa wɔ mfitiase trɛw no mu wie a, sling no ahoɔden yɛ basaa na ɛsɛ sɛ woyi fi adwuma mu.

 

Nneɛma atitiriw a wɔde kɔ:

 

1. Sua webbing no trɛw pɛpɛɛpɛ —fa calipers di dwuma ma susuw pɛpɛɛpɛ

 

2. Fa 1/10 mmara no di dwuma—hyɛ ≥ 10% wɔ mfitiase trɛw mu = pɛnhyenkɔ ntɛm ara

 

3. Fa ka nhwehwɛmu ho gyinapɛn afoforo ho—1/10 mmara no di abrannaa ho dwuma, nanso nneɛma afoforo a wɔsɛe no nso hwehwɛ sɛ wogyae adwuma

 

4. Nwoma nhwehwɛmu aba—kora kyerɛwtohɔ so sɛdeɛ ASME B30.9 ahwehwɛdeɛ teɛ

 

5. Tete wo kuw no —hwɛ hu sɛ obiara betumi de mmara no adi dwuma yiye

 

Lishenflex  yɛ polyester flat slings a ɛne EN 1492-1 ne ASME B30.9 gyinapɛn ahorow hyia, a ɛwɔ kɔla-coded tumi agyiraehyɛde a emu da hɔ ne nhwehwɛmu akwankyerɛ. Yɛde susudua nnwinnade ne ntetee ma de boa wo kuw no ma wɔde 1/10 mmara no di dwuma yiye.

 

Sɛ wuhia mmoa a wode besi sling nhwehwɛmu nhyehyɛe —anaasɛ wuhia mmoa a wode behu sɛ ebia wo mprempren slings no adu 1/10 retirement threshold a —yɛsrɛ wo fa email kɔma sales@lishenflex.com , na yɛn mfiridwuma kuw no de mmoa bɛma mmiako mmiako.