1. Kunzwisisa Stretch Film: Core Concepts uye Market Overview
Stretch film (inozivikanwawo sekuti kutambanudza kuputira) ipurasitiki repurasitiki firimu rinonyanya kushandiswa kubatanidza uye kudzikamisa mitoro yepallet panguva yekuchengetera nekufambisa. Inowanzo gadzirwa kubva ku polyethylene (PE) zvinhu zvakaita seLLDPE (Linear Low-Density Polyethylene) uye inogadzirwa kuburikidza nekukanda kana kuvhuvhuta. mafirimu emusika. Asia-Pacific inotonga musika neinosvika hafu yemugove wepasi rose uye inofungidzirwa kunyoresa yakanyanya kukura mwero.
2. Mhando dzeKutambanudza Mafirimu: Zvishandiso uye Kuenzanisa Kwekugadzira
2.1 Firimu Rokutambanudza Ruoko
Yakagadzirirwa kushandiswa kwemaoko, mafirimu anotambanudza maoko anowanzo kubva pa 15-30 microns mukukora. Ivo vanoratidza yakaderera yakatambanudzwa simba (150% -250%) asi yakakwirira yekubata zvivakwa kuitira nyore bhuku rekushandisa. Izvi zvakanakira zvinhu zvisina kuumbwa uye mashandiro akaderera-vhoriyamu.
2.2 Muchina Wekutambanudza Firimu
Mafirimu anotambanudza emuchina akagadzirirwa otomatiki michina yekushandisa. Iwo anowanzo kubva pa30-80 microns muukobvu kune inorema mitoro. Mafirimu emuchina anogona kuiswazve muchikamu chesimba rekutamba firimu (yakakwira puncture kuramba) uye pre-stretch mafirimu (300%+ kutambanudza simba).
2.3 Specialty Stretch Films
UV Resistant Mafirimu: Iine zvinowedzerwa kudzivirira kusvibiswa kubva mukuvhenekerwa kwezuva, yakanakira kuchengetedza kunze.
Ventilated Films: Feature micro-perforations kubvumira hunyoro kutiza, hwakakwana kune zvitsva zvigadzirwa.
Mafirimu Emavara: Inoshandiswa kukodha, kuisa chiratidzo, kana mwenje kudzivirira.
| Property | Ruoko Kutambanudza Firimu | Machine Stretch Film | Pre-Stretch Film |
| Ukobvu (microns) | 15-30 | 30-80 | 15-25 |
| Stretch Capacity (%) | 150-250 | 250-500 | 200-300 |
| Core Size | 3-inch | 3-inch | 3-inch |
| Kumhanya Kwekushandisa | Manual | 20-40 mitoro / awa | 30-50 mitoro / awa |
3. Key Technical Specifications: Kunzwisisa Performance Parameters
Kunzwisisa tekinoroji zvirevo zvinogonesa sarudzo yakatambanudzwa yefirimu:
Ukobvu: Yakayerwa mumamicrons (μm) kana mils, inotarisisa simba rekutanga uye puncture kuramba. Zvinowanzosiyana: 15-80μm.
Stretch Rate: Mazana emufirimu anogona kutambanudzwa isati yashandiswa (150% -500%). Kukwirisa kutambanudza mitengo kunoreva kuvharika kwakawanda pamupumburu.
Tensile Simba: Simba rinodiwa kutyora firimu, kuyerwa muMPa kana psi. Yakakosha kune mitoro inorema.
Kunamatira / Kunamatira: Kukwanisa kwefirimu kuzvinamatira pasina zvinonamatira. Yakakosha pakugadzikana kwemutoro.
Puncture Resistance: Kugona kuramba kubvarura kubva kumakona akapinza kana kumicheto.
Load Retention: Kugona kwefirimu kuchengetedza kushushikana uye kuchengetedza mutoro nekufamba kwenguva.
4. Mamiriro Ekushandisa: Kupi uye Sei Mashandisiro Akasiyana Mafirimu Anotambanudza
4.1 Logistics uye Warehousing
Mafirimu ekutambanudza anovimbisa kugadzikana kwechikamu panguva yekufambisa uye kuchengetedza. Mafirimu egiredhi akajairwa (20-25μm) anoshandira zvinhu zvakawanda zvebhokisi, nepo mitoro inorema (zvekuvaka, zvinwiwa) ichida mamakisi ekutanga (30-50μm+) ane yakakwirira puncture kuramba.
4.2 Chikafu uye Chinwiwa Indasitiri
Mafirimu akatambanudzwa chikafu-akachengeteka anodzivirira zvinoparara panguva yekugovera. Mafirimu anofefeterwa anobvumira kuyerera kwemhepo yezvigadzirwa zvitsva, nepo mafirimu akajeka anogonesa kuzivikanwa zviri nyore zvemukati.
4.3 Kugadzira uye Maindasitiri
Heavy-duty stretch films (kusvika 80μm) akachengeteka simbi zvikamu, zvokuvakisa, uye zvinhu zvine ngozi. Mafirimu anodzivirira UV anodzivirira zvinhu zvakachengetwa kunze kubva mukukuvara kwemamiriro ekunze.
5. Sarudzo Yekutungamira: Kusarudza Yakakodzera Kutambanudzira Firimu kune Zvaunoda
Shandisa iyi sarudzo matrix kune yakanyanya kutambanudza firimu sarudzo:
1.Load Characteristics:
Mitoro yakareruka (<500kg): 17-20μm mafirimu emaoko kana 20-23μm mafirimu emichina.
Medium mitoro (500-1000kg): 20-25μm maoko mafirimu kana 23-30μm muchina mafirimu.
Mitoro inorema (> 1000kg): 25-30μm mafirimu emaoko kana 30-50μm+ mafirimu emuchina.
2.Mamiriro Ezvekufambisa:
Kuendeswa kwenzvimbo: Mafirimu akajairwa.
Migwagwa yakareba-yakareba/yakakasharara: Mafirimu epamusoro-soro ane akanakisa kuchengetedza mitoro.
Kuchengetera kunze: UV-inodzivirira mafirimu
3.Zvishandiso Zvinofungwa:
Kuputirwa nemaoko: Mafirimu emaoko akajairwa.
Semi-otomatiki michina: Yakajairwa muchina mafirimu.
High-speed automations: Pre-stretch mafirimu.
Cost Calculation Formula:
Mutengo paMutoro wega wega = (Firimu Rondedzerwa Mutengo ÷ Hurefu Hwose) × (Firimu Rinoshandiswa pamutoro wega wega)
6. Zvishandiso zvekushandisa: Manual vs. Automated Solutions
Manual Application:
Basic kutambanudza firimu dispensers inopa ergonomic kubata uye tension control.
Maitiro akakodzera: chengetedza kusagadzikana kunoenderana, kupindirana kunopfuura ne50%, chengetedza magumo nemazvo.
Zvikanganiso zvakajairika: kutambanudza, kusakwana kupindirana, kuvharika kwepamusoro/pazasi kusina kunaka.
Semi-otomatiki Machina:
Turntable wrappers inotenderedza mutoro paunenge uchishandisa firimu.
Mabhenefiti akakosha: kusawirirana kusingachinji, kuderedzwa kwevashandi, kugadzirwa kwakanyanya.
Yakanakira yepakati-vhoriyamu mashandiro (20-40 mitoro paawa).
Zvizere otomatiki Systems:
Robotic wrappers yenzvimbo dzakakwirira dzekugovera.
Wana 40-60+ mitoro paawa ine kushoma opareta kubatanidzwa.
Kazhinji inosanganiswa ne conveyor masisitimu ekushanda isina musono.
7. Industry Standards uye Quality Testing
TheASTM D8314-20chiyero chinopa nhungamiro yekuyedzwa kwekuita kwemafirimu akatambanudzwa uye kuputira kutambanudza. Miedzo yakakosha inosanganisira:
Stretch Performance: Inoyera maitiro emufirimu pasi pekunetsekana panguva yekushandisa.
Load Retention: Inotarisa kuti firimu rinochengetedza sei simba nekufamba kwenguva.
Puncture Resistance: Inosarudza kuramba kubvarura kubva kumucheto wakapinza.
Cling Properties: Inoedza maitiro ekuzvinamatira emufirimu.
Mafirimu akatambanudzwa emhando yepamusoro anofanirwawo kutevedzera zvinoenderana nenyika senge China's BB/T 0024-2018 yefirimu rakatambanudzwa, iro rinotsanangudza zvinodiwa zvemichina zvivakwa uye puncture kuramba.
8. Mafungiro Ezvakatipoteredza: Sustainable and Recycling
Mafungiro ezvakatipoteredza ari kugadziridza indasitiri yemafirimu yakatambanudzwa:
Akadzokororwa Zvemukati Mafirimu: Ine post-industrial kana post-mutengi recycled zvinhu (kusvika 50% mune premium zvigadzirwa).
Source Reduction: Mafirimu akaonda, akasimba (nanotechnology inogonesa 15μm mafirimu ane 30μm kuita) inoderedza kushandiswa kwepurasitiki ne30-50%.
Kudzokorora Matambudziko: Zvishandiso zvakasanganiswa uye kusvibiswa zvinoomesa maitiro ekudzokorodza.
Zvimwe Zvishandiso: Bio-based PE uye anogona compostable mafirimu ari kuvandudzwa.
9. Ramangwana Mafambiro: Zvitsva uye Mafambisirwo Emusika (2025-2030)
Musika wepasi rose wepolyethylene mafirimu unosvika madhora zviuru zana nemakumi maviri nesere panosvika 2030, uchinyoresa CAGR ye4.5% kubva muna 2021 kusvika 2030.
Akangwara Mafirimu: Integrated sensors yekutevera mutoro wekuvimbika, tembiricha, uye kuvhunduka.
Nanotechnology: Mafirimu akaonda, akasimba kuburikidza neiyo molecular engineering.
Automation Integration: Mafirimu akagadzirirwa akazara otomatiki matura.
Circular Economy: Kuvandudzwa kwekugadzirisa zvakare uye yakavharwa-loop masisitimu.
Chikamu chemufirimu chakatambanudzwa, icho chakaverengera chingangoita matatu-mana emari yemusika wemafirimu epolyethylene muna 2020, inotarisirwa kukura paCAGR inokurumidza ye4.6% kusvika 2030.
Nguva yekutumira: Oct-20-2025
