Stretch zaj duab xis rau phau ntawv ntim: hom, khoom thiab lub hom phiaj

2024 Tus sau: Priscilla Miln | [email protected]. Kawg hloov kho: 2024-02-18 01:57

Hnub no, ob peb tus neeg xav tias qhov ntim ntawm cov khoom tseem ceeb npaum li cov khoom nws tus kheej. Qhov tshaj plaws yog tias kev nyab xeeb ntawm cov khoom, lawv cov tsos thiab lub neej txee nyob ntawm cov khoom ntim zoo. Tsis tas li, tsis txhob hnov qab tias kev ntim khoom muaj peev xwm tuaj yeem siv tau zoo rau kev lag luam. Txawm li cas los xij, muaj lwm hom ntim khoom, qhov nrov tshaj plaws ntawm cov khoom siv dav siv hauv cov khw muag khoom loj. Nov yog zaj duab xis stretch rau phau ntawv ntim.

Definition

Stretch zaj duab xis yog ib pawg ntawm cov khoom siv polymers siv rau cov khoom ntim thiab muaj cov khoom nplaum xaiv. Hauv cov lus yooj yim, xws li zaj duab xis adheres zoo heev rau nws tus kheej thaum ntim hauv ob peb txheej, tab sis tsis lo rau cov khoom ntim txhua. Lwm qhov tshwj xeeb yog lub peev xwm ncab yam tsis muaj kev puas tsuaj rau cov qauv ntawm cov khoom. Raws li qhov tshwm sim, zaj duab xis yuav rov qab mus rau nws cov duab qub tom qab ntim tiav.

Nyob zoo ib tsoom niam txiv kwv tij neej tsas sawv daws.

Ntxiv rau qhov saum toj no, cov yeeb yaj kiab ncab kuj muaj ntau yam zoo hauv qab no:

• nce kev tiv thaiv ntau yam kev puas tsuaj;
• pob tshab muab kev pom kev nkag mus rau cov khoom ntim;
• cov khoom thaiv kev tiv thaiv (kev tiv thaiv cov ntsiab lus los ntawm av, noo noo thiab tsis muaj kev cuam tshuam los ntawm cov neeg tsis tau tso cai);
• Txhim khu kev txhim kho ntawm cov ntsiab lus, uas yog qhov tseem ceeb tshwj xeeb tshaj yog thaum thauj nws mus deb;
• tus nqi txaus nyiam ntawm zaj duab xis ncab (190 m ntawm zaj duab xis ib yob yuav raug nqi koj nyob ib ncig ntawm 250 rubles);
• khaws cia nws cov yam ntxwv ntawm qhov kub thiab txias.

Txhua qhov zoo no ua rau muaj qhov tseeb tias zaj duab xis ncab tsuas yog ib qho khoom siv tsis tau hauv ntau qhov kev lag luam, los ntawm zaub mov mus rau kev tsim kho.

Raws li qhov no, muaj ntau qhov kev faib tawm ntawm cov khoom raws li ntau yam qauv.

Kev faib tawm los ntawm kev ua haujlwm

Raws li qhov kev faib tawm no, cov yeeb yaj kiab ncab tau muab faib ua ob hom:

1. Food.
2. Technical.

Raws li lub npe, nws paub meej tias cov khoom noj khoom haus stretch film rau phau ntawv ntim yog siv hauv kev lag luam khoom noj thiab lub neej txhua hnub rau kev ntim khoom noj. Qhov tseem ceeb tshaj plaws ntawm no yog tias txhua yam khoom noj khoom haus tuaj yeem ntim nrog nws, vim nws tsis muaj ntxhiab tsw thiab tsis muaj cov tshuaj phem. Txawm tias ntev mus nrog cov khoom ntim no yuav tsis ua mob rau cov khoom noj hauv txhua txoj kev. Dab tsi ntxiv, no pob tshab stretch zaj duab xis rau phau ntawv ntimyooj yim heev los txiav txim qhov zoo ntawm cov khoom ntim.

Qhov hloov kho dua tshiab ntawm cov yeeb yaj kiab cling yog breathable. Nws cov qauv tshwj xeeb cia oxygen nkag mus thiab tshem tawm cov dej noo thiab carbon dioxide tawm.

Technical zaj duab xis, nyob rau hauv lem, yog siv rau ntim ntau yam khoom, los ntawm lub tsev cov ntaub ntawv mus rau printing khoom. Piv nrog rau cov khoom noj, nws yog tuab thiab ruaj khov dua. Nws lub hom phiaj tseem ceeb yog los tiv thaiv cov khoom los ntawm lwm yam.

Kev faib tawm los ntawm cov khoom

Ntawm no koj tuaj yeem pom peb hom yeeb yaj kiab loj:

1. YPlastic stretch film.
2. YPVC stretch film.
3. Polystyrene thiab EVA stretch film.

Thawj hom yog suav tias yog feem ntau, vim nws yog nws uas yog siv hauv kev lag luam khoom noj. Qhov dav ntawm hom stretch zaj duab xis yog li ntawm 225 mus rau 450 hli, nws tuaj yeem yooj yim yuav ntawm yuav luag txhua lub khw muag khoom kho vajtse lossis hauv kev tsim kho ntawm txhua lub khw muag khoom loj.

Hom thib ob ntawm zaj duab xis kuj tseem siv hauv kev lag luam khoom noj, txij li polyvinyl chloride kis tau ntau yam roj los ntawm nws tus kheej. Ntxiv mus, koj tuaj yeem pom cov yeeb yaj kiab hauv ntau xim.

Cov yeeb yaj kiab kawg hauv qhov kev faib tawm no yog sawv cev los ntawm cov khoom siv niaj hnub tshaj plaws. Nws yog qhov tseeb heev tias tus nqi ntawm hom stretch zaj duab xis yog siab dua li niaj zaus (ntau dua 300 rubles ib yob), tab sis txhim kho kev ua tau zoo. Cov yam ntxwv ua kom pom tseeb cov nqi nyiaj txiag ntxiv.

Kev faib tawm los ntawm txoj kev tsim khoom

Hauv qhov no, muaj ob lub ntsiab thev naus laus zis rau kev tsim cov yeeb yaj kiab:

1. tshuab tshuab extrusion.
2. Slot Extrusion Technology.

Thawj thev naus laus zis tsim cov khoom ntim ruaj khov thiab muaj zog uas tuaj yeem txuas tau yooj yim ob lossis peb zaug. Nws yog zaj yeeb yaj kiab no uas suav tias yog kev xaiv thoob ntiaj teb rau ntim ntau yam khoom.

Lub tshuab thib ob suav nrog kev tsim cov yeeb yaj kiab hauv daim ntawv ntawm ntau lub vev xaib, uas tau ntim ntxiv rau hauv cov yob ntawm cov yeeb yaj kiab kom yooj yim siv. Txij li cov txheej txheem sib txawv yog lub luag haujlwm rau cov khoom sib txawv ntawm cov khoom (sab nraud - rau kev nplaum, sab hauv - rau lub zog), cov khoom siv no muaj cov yam ntxwv ua tau zoo.

Kev faib tawm los ntawm daim ntawv thov

Raws li qhov kev faib tawm tshiab, cov khoom no tuaj yeem muab faib ua cov hauv qab no:

1. Zaj movie.
2. Machine stretch film.

thawj hom yog suav tias yog qhov yooj yim tshaj plaws los siv, vim tias cov yeeb yaj kiab ncab rau phau ntawv ntim khoom siv tau yooj yim heev. Cov txheej txheem ntim khoom siv cov khoom no yog phau ntawv qhia tag nrho yam tsis muaj kev siv cov cuab yeej tshwj xeeb. Txawm li cas los xij, cov khoom siv no feem ntau ntsia rau ntawm lub tshuab nqus dej kom zoo dua ntim khoom yooj yim.

Raws li tshuab ncab zaj duab xis, cov khoom siv nosiv rau ntim nrog cov khoom tshwj xeeb hu ua pallet wrappers. Cov tshuab no sib txawv ntawm qhov lawv ua haujlwm, kev ua haujlwm thiab, raws li, tus nqi. Cais, nws tsim nyog hais txog ntawm no tias qhov ceev thiab qhov zoo ntawm kev ntim khoom yog nyob ntawm seb cov yeeb yaj kiab stretch tau raug xaiv thiab ntsia kom raug.

Kev hloov pauv

Muab nws qhov kev ua tau zoo tshaj, nws tsis xav tias stretch zaj duab xis rau tes qhwv muaj ntau qhov sib npaug. Thawj ntawm cov no yog stretch hoods, uas yog nquag siv nyob rau hauv kev lag luam khoom noj khoom haus. Hais lus ntxhib, cov no yog cov hnab uas tuaj yeem ncav cuag qhov loj me thiab muab tso rau hauv qhov hnyav. Tom qab ntawd, zaj duab xis yog compressed kom ruaj ntseg kho lub load. Nws yog qhov tseeb tias txoj kev ntim khoom no tsuas yog tsim rau cov khoom uas tsis muaj qhov ntse.

Qhov thib ob analogue yog sawv cev los ntawm polyethylene shrink hoods. Lawv zoo ib yam li stretch hoods raws li ob qho tib si hnav dhau ib lub nra. Ib qho tshwj xeeb ntawm shrink hoods yog tias cov cua sov tuaj yeem siv rau lawv. Tom qab lawv tau muab tso rau lawm, lawv tau compressed loj heev nyob rau hauv lub zog ntawm cov cua sov thiaj li yuav txhim kho lub load kom ruaj khov li sai tau. Yog li hom ntim no zoo tagnrho rau khaws cia thiab thauj cov khoom loj thiab hnyav. Txawm li cas los xij, qhov analogue no muaj qhov tsis zoo, qhia los ntawm tus nqi siab.

Zoo kawg

Polyethylene yog ib qho ntawm cov khoom siv tshaj plaws hauv ntau qhov kev lag luamkev lag luam. Tias yog vim li cas cov zaj duab xis stretch tsim los ntawm nws lub hauv paus yog nrov heev thiab yog ib qho yuav luag indispensable cuab tam thaum yuav tsum tau ntim ib yam dab tsi sai thiab ntseeg tau. Muaj ntau hom kev ntim khoom no, txhua tus muaj nws tus yam ntxwv, qhov zoo thiab lub hom phiaj. Txawm tias muaj tseeb hais tias niaj hnub no muaj ib tug xov tooj ntawm analogues ntawm cov ntaub ntawv no, stretch zaj duab xis tsis poob nws txoj hauj lwm nyob rau hauv tag nrho cov fronts.