Pre-stretch pallet qhwv tuaj nyob rau hauv yob ntawm yas zaj duab xis uas tau pre-stretched nrog ib co ntxiv elasticity, tso cai rau nws yuav tsum tau stretched rau nws txwv thaum siv tes los yog tshuab. Qhov no tso cai rau cov yeeb yaj kiab ncab kom xa cov ntaub qhwv nruj dua nrog kev ua tau zoo dua qhwv thiab txhim khu kev tuav lub zog ntawm cov khoom thaum caij tsheb thauj mus los. Pre-stretch zaj duab xis ua tau zoo dua rau daim ntawv thov qhwv tes thiab yuav tsum muaj zog tsawg dua thaum thov los ntawm cov neeg ua haujlwm kom ua tiav cov ntaub qhwv txaus. Qhov no yuav pab kom tsis txhob qaug zog thiab raug mob hauv chaw ua haujlwm.
Raws li qhov tshwm sim ntawm kev ncab ua ntej, cov yob ntawm zaj duab xis yog sib zog nrog ob npaug ntawm cov yeeb yaj kiab ib yob muab ntau zaj duab xis ntev dua li cov pa pallet qhwv. Nyob ib ncig ntawm 50% ntawm zaj duab xis xav tau yog li tsawg dua
ib puag ncig pov tseg yog tsim kom tau txais txiaj ntsig zoo. Load stability: Muaj ntau cov txiaj ntsig ntawm cov yeeb yaj kiab ua ntej, tab sis qhov txiaj ntsig tseem ceeb tshaj plaws yog nce load stability thaum thauj. Pre-stretch zaj duab xis muaj zog dua thiab muaj lub zog tuav ntau dua li cov ntaub ntawv tsis-stretch. Nws muaj peev xwm tiv taus ntau lub sijhawm thauj khoom thiab thauj khoom yam tsis muaj kev hloov pauv ntawm cov khoom thiab tuav nws lub zog tuav hauv ntau qhov sib txawv ntawm cov khoom thauj.
Tus nqi: Pre-stretch zaj duab xis siv 50% tsawg dua zaj duab xis dua li cov ntaub qhwv cov ntaub so ntswg kom txo cov nqi sib npaug. Koj tuaj yeem cia siab tias yuav txuag tau txog li 40% los ntawm kev hloov mus rau zaj duab xis ua ntej. Tsis tas li ntawd, kev txo qis hauv cov khoom siv yog qhov zoo dua rau ib puag ncig vim tias tsis muaj pov tseg tsawg dua.
Lub cim xeeb zaj duab xis: Ua ntej-stretch zaj duab xis nco kom paub meej tias thaum nws siv rau kev thauj khoom nws shrinks thiab nruj tom qab daim ntawv thov, muab nws lub zog tuav. Qhov no yog qhov laj thawj tseem ceeb vim li cas zaj duab xis yog pre-stretched. Thaum cov zaj duab xis yog unrolled thiab qhwv lub zog uas muaj nyob rau hauv lub stretched qhwv shrinks rov qab mus rau nws tus kheej, nruj nreem tuav ntawm lub qhwv khoom uas ua rau kom lub load nro.
Necking down yog tshem tawm: Pre-stretch zaj duab xis tsis caj dab thaum lub sij hawm qhwv uas txuag lub sij hawm wrapping thiab cov khoom. Thaum cov pa yeeb yaj kiab caj dab qis lawv nqaim thaum ncab tawm. Nws tau raug piav qhia zoo ib yam li nthuav tawm cov pos hniav npuas. Thaum zaj duab xis caj dab cia ntau zaj duab xis yuav tsum tau ua kom tiav ib txoj hauj lwm qhwv. Necking down kuj yuav tsum tau nce kev hloov pauv ntawm qhwv kom npog lub nra. Ntxiv ob qho tib si ua ke muaj nqi ntau dua hauv cov ntaub ntawv thiab lub sij hawm poob thaum siv cov ntaub ntawv uas tsis yog-pre-stretched.
Daim ntawv thov yooj yim dua: Yog tias koj tsis tau hloov kho mus rau lub tshuab ua ntej-stretch pallet wrapping li tseem koj yuav inevitably tau thov koj qhwv los ntawm tes. Cov txheej txheem qhwv yuav tsum tau ncab mus txog 100-150% kom tau txais lub zog tuav, uas tsis tuaj yeem ua tiav yog tias koj tso siab rau daim ntawv thov tes. Pre-stretch zaj duab xis yog yooj yim dua rau tes daim ntawv thov raws li cov yob yog tsawg tshaj li ib nrab ntawm qhov hnyav ntawm cov ntaub qhwv tsis ua ntej thiab yuav tsum muaj lub zog tsawg dua kom tau txais kev sib xws thiab qhov yuav tsum tau ua kom nruj rau tuav lub zog.
Khoom siv zog: Pre-stretch zaj duab xis muaj dov npoo uas pab kom tsis txhob muaj kev puas tsuaj rau cov yob thaum mishandled thiab poob. Nws tseem yog puncture thiab tsim kua muag-resistant. Nws yuav qhwv ib ncig ntawm cov npoo yam tsis muaj kev puas tsuaj rau cov yeeb yaj kiab ncab thiab yuav tuaj yeem tiv taus cov xwm txheej ntawm kev thauj mus los, xa khoom mus rau lawv qhov chaw tsis zoo. Qhov no txuag ntawm kev poob thiab cov khoom xa rov qab, uas xaus rau kev txuag nqi. Pre-stretch zaj duab xis kuj tseem ua haujlwm ntau yam ib puag ncig nrog rau cov av noo thiab qhov kub thiab txias.
Load stability: Pre-stretched zaj duab xis muaj superior cling uas tso cai rau ib tug zaj duab xis Tail los lo rau nws tus kheej, tsis txhob flapping ib ncig thiab maj mam unravelling. Thaum cov yeeb yaj kiab no siv rau ntawm cov khoom tsis sib xws nws yog qhov ua kom ruaj khov uas tuav txhua yam ua ke kom nws tuaj yeem xa mus rau hauv ib daim tuaj txog ntawm nws qhov chaw.