Menene 7:1 Factor Safety kuma Me ya sa yake da mahimmanci?

Mai kula da rigingimu ya zaɓi a majajjawa dagawa  wanda aka ƙididdige don ton 2. Nauyin nauyin ton 1.5 - da kyau a cikin iyaka. Amma menene zai faru idan majajjawar ta yi nauyi? Idan ba a yi kuskure ba fa? Idan lalacewar muhalli ya raunana zaruruwa fa? Majajjawa tare da ma'aunin aminci na 7:1 yana ba da mahimmancin buffer don waɗannan yanayi maras tabbas.

 

Lishenflex  ya kasance yana kera majajjawa daga roba sama da shekaru ashirin, kuma tambaya ɗaya da muke ji akai-akai daga masu amfani da ƙarshen ita ce: Menene wannan lambar 7:1 akan alamar ke nufi? Amsar tana da mahimmanci ga magudi mai aminci-kuma galibi ana rashin fahimta.

 

Factor Safety vs. Aiki Load Iyakar: Fahimtar Bambancin

Don fahimtar yanayin aminci na 7:1, da farko kuna buƙatar bambance tsakanin maɓalli biyu masu mahimmanci: Ƙarfin Ƙarfin Ƙarfi (WLL) da Ƙarfin Ƙarfi  (wanda ake kira Mafi ƙarancin Breaking Load ko MBL).

 

Bisa ga jagorar ɗagawa Hercules , dangantakar da ke tsakanin waɗannan dabi'u biyu an ƙaddara ta hanyar ƙirar ƙira: WLL = Ƙarfafa Ƙarfi ÷ Factor Factor .

 

A 7:1 aminci factor  yana nufin ƙarfin karyewar majajjawa ya ninka sau bakwai WLL. Don majajjawa 1-ton WLL, ƙarfin karyewa shine aƙalla tan 7. Kamar yadda aka ayyana a matsayin masana'antu ciki har da EN 1492-1 da EN 1492-2 , wannan rabo shine mafi ƙarancin abin da ake buƙata don majajjawa roba.

Me yasa 7: 1 don Ƙwararren Ƙwararren Ƙwararren Ƙwaƙwalwa?

Nau'o'in kayan aiki daban-daban suna amfani da dalilai na aminci daban-daban:

 

Slings ɗin fiber na roba yana buƙatar ingantaccen yanayin aminci fiye da igiya ko sarkar waya saboda sun fi rauni ga abubuwan muhalli waɗanda zasu iya lalata ƙarfi ba tare da faɗakarwa ba.

 

A cewar WorkSafe WA's Safety Safety Bulletin No. 155 , majajjawa zagaye na roba sun fi rauni ga lalacewa ta jiki, hasken rana (ultraviolet), sinadarai, da zafi mai yawa fiye da sauran nau'ikan kayan ɗagawa. Halin 7:1 yana ba da kariya ga waɗannan yanayi na gaske na duniya mara tsinkaya.

 

Kamar yadda Lifting Gear Direct  bayanin kula a cikin jagorar samfuran su, canje-canjen masana'antu na baya-bayan nan sun buƙaci wasu nau'ikan slings masu ɗagawa don samun 7: 1 aminci factor maimakon tsohuwar 5: 1 rabo-ma'ana majajjawa yanzu suna da ƙaramin raguwa na sau bakwai WLL.

 

Ƙimar Duniya ta Haƙiƙa na 7:1 Factor Safety

Dalilin 7: 1 ba na son rai ba ne. Yana lissafin:

 

Shock loading — aikace-aikacen lodi kwatsam ko saki

 

Motsi mai ƙarfi - lilo ko motsi yayin ɗagawa

 

Lalacewar muhalli - UV, sinadarai, ko lalacewar zafi akan lokaci

 

Sawa da tsagewa - abrasion, yanke, da lalacewa ta gefe

 

Abubuwan kusurwa - rage ƙarfin shaƙa ko kwando

 

Jurewar masana'anta - bambance-bambancen kayan aiki da gini

 

A cewar CERTEX Denmark , slings ɗin roba na roba suna da haɗari musamman ga gefuna masu kaifi, lalacewa da gogayya, yankewa da hawaye, zafi sama da iyakokin zafin jiki da aka yarda, sinadarai marasa jituwa, da bayyanar UV akan lokaci. Matsakaicin aminci na 7:1 yana ba da tazara ga waɗannan lahani, tabbatar da cewa majajjawa da aka lalata ta hanyar ƙananan lalacewar muhalli na iya kasancewa da isasshen ƙarfin saura don ɗaukar nauyin ƙimar sa lafiya.

 

Gwajin dakin gwaje-gwaje na Lishenflex ya tabbatar da cewa ko da yanke kashi 10% - wanda za'a iya rasa shi a cikin saurin yin amfani da shi - na iya rage ƙarfin majajjawa da kashi 35%. Halin 7:1 yana tabbatar da cewa majajjawa mai ƙananan lalacewa na iya kasancewa da isasshen ƙarfi don ɗaga ƙididdigansa. Wannan shine dalilin da ya sa mafi girman yanayin aminci ba kawai abin da ake buƙata ba ne - larura ce mai amfani.

 

Yadda 7:1 Factor Safety Ya Bayyana A Aiki

A karkashin TS EN 1492-1 da EN 1492-2, 7: 1 abubuwan aminci an haɗa su tare da alamun ikon launi:

 

Tushen: EN 1492-1/2 Matsayin lambar launi

 

TS EN 1492-2  ya bayyana cewa majajjawa zagaye dole ne su sami babban yanayin aminci na 7: 1, ma'ana WLL na 1000 kg yayi daidai da nauyin hutu na 7000 kg. Ƙayyadaddun samfur na SpanSet yana tabbatar da cewa an ƙera majajjawar gidan yanar gizon su tare da ma'aunin aminci na 7:1, tare da kowane samfurin da aka kawo tare da takaddun shaida da lambar serial na musamman don ganowa.

 

Mizanan da suka wajabta 7:1

Matsakaicin aminci na 7:1 an ba da izini ta ƙa'idodin ƙasashen duniya da yawa don majajjawa roba:

 

WorkSafe WA  ya tabbatar da cewa ga majajjawa zagaye na polyester wanda ya dace da AS 4497:2018, mafi ƙarancin nauyin karya ya ninka WLL sau bakwai , kuma ana loda su daban-daban zuwa sau biyu WLL.

 

Takaitawa da Shawarwari Masu Aiki

Fa'idar aminci na 7:1  shine madaidaicin ƙira mai mahimmanci wanda ke ba da tazara mai aminci tsakanin ƙarfin karyewar majajjawa da iyakar nauyin aikin sa. Wannan al'amari yana ba da lissafi ga yanayin duniya na ainihi - lodin girgiza, lalata muhalli, lalacewa, da abubuwan kusurwa - waɗanda za su iya lalata ƙarfin majajjawa.

 

Mabuɗin ɗauka:

 

1.7: 1 an ba da izini ta EN 1492-1/2 da AS 4497: 2018  don majajjawa na roba.

 

2.WLL baya karya ƙarfi - kar a taɓa amfani da ƙarfin karya azaman iyakar aiki

 

3.The mafi girma aminci factor for synthetics ne saboda su rauni  ga UV, zafi, sunadarai, da kuma jiki lalacewa.

 

4.Koyaushe duba alamar majajjawa - yana nuna duka WLL da ƙimar aminci

 

5.Bincika a kai a kai —abin 7:1 shine ma’auni, ba madadin kulawa da kyau ba

 

Lishenflex  yana kera majajjawa na ɗaga roba tare da ma'aunin aminci na 7: 1, wanda ya dace da ka'idodin EN 1492-1 da EN 1492-2. Samfuran mu sun ƙunshi bayyanannun alamun iya aiki masu launi, lambobi na musamman don ganowa, kuma an ɗora su da hujja don tabbatar da dogaro.

 

Idan kuna buƙatar taimako fahimtar abubuwan buƙatun aminci don takamaiman ayyukan ɗagawa ku-ko kuna buƙatar taimako don tabbatar da cewa majajjawa sun cika ƙa'idodin da suka dace-don Allah a aika imel zuwa sales@lishenflex.com , kuma ƙungiyarmu ta fasaha za ta ba da goyon baya ɗaya-on-daya.