pallet kutambanudza firimu rekurongedza

Firimu reStretch, iro rinozivikanwawo sefirimu rekutambanudza uye kupisa kupisa firimu, ndiyo yekutanga muChina kugadzira PVC yakatambanudzwa firimu nePVC seyakadzika zvinhu uye DOA seplasticizer uye yekuzvinamira. Nekuda kwenyaya dzekuchengetedzwa kwezvakatipoteredza, kudhura kwakanyanya (zvinei nePE yakakwira chikamu, kushoma unit packaging nzvimbo), kutadza kutambanudza-kugona, nezvimwewo, zvakabviswa zvishoma nezvishoma apo kugadzirwa kwepamba kwePE stretch film kwakatangwa kubva 1994 kusvika 1995. Iyo PE firimu rinotambanudza rinotanga kushandisa EVA sechinhu chinozvinamira, asi mutengo wayo wakakwira uye ine kuravira. Gare gare, PIB neVLDPE zvinoshandiswa sezvinamira zvega zvinhu, uye hwaro hwezvinhu zvakanyanya LLDPE. Firimu yekutambanudza inogona kukamurwa kuita: PE yakatambanudzwa firimu, PE yakatambanudzwa firimu, LLDPE yakatambanudzwa firimu, PE slit yakatambanudzwa firimu, nezvimwewo. Inogadzirwa nekushandisa kunze kwenyika linear polyethylene LLDPE resin uye yakakosha tackifier special additives proportion formula. Inogona kuburitsa multifunctional kutambanudza firimu rekushandisa nemaoko, kuramba mhando yekushandisa muchina, pre-stretch mhando yekushandisa muchina, anti-ultraviolet, anti-static uye anti-rust. Iine zvinotevera zvakanakira: Uchishandisa kaviri-layer co-extrusion midziyo, iyo yakadzvanywa yakatambanudzwa firimu inogona kuwedzera hunhu hwepolymer yega yega, uye kujeka kwayo, kusimba kwesimba, uye perforation kuramba ndiyo yakanyanya kunaka kana yasvika pakunyungudika. chimiro. 2. Iine zvakanaka kutambanudza-kukwanisa, kujeka kwakanaka uye yunifomu ukobvu. 3. Iyo ine longitudinal extensibility, yakanaka kusimba, yakanaka transverse kubvarura kuramba, uye yakanakisa self-adhesive lap. 4. Icho chinhu chinochengetedza zvakatipoteredza uye chinogona kushandiswazve, chisina kunaka, chisina chepfu, uye chinogona kurongedza zvokudya zvakananga. 5. Inogona kugadzira zvigadzirwa zve-single-sided viscous, kuderedza ruzha runobudiswa panguva yemhepo uye kutambanudza, uye kuderedza guruva nejecha panguva yekufambisa uye kuchengetedza. 1. Yakavharwa packaging Iri rudzi rwekurongedza rwakafanana ne shrink film packaging. Iyo firimu inoputira tireyi yakatenderedza tireyi, uye ipapo maviri anopisa anobatisa kupisa anovhara iyo firimu kumigumo yese. Iyi ndiyo nzira yekutanga yekushandiswa kwefirimu yakatambanudzwa, uye mamwe mafomu ekuputira akagadzirwa kubva kune iyi 2. Yakazara hupamhi hwekuputira Rudzi urwu rwekuputira runoda kuti firimu ive yakafara zvakakwana kuvhara pallet, uye chimiro chepallet chinogara chiripo, saka. ine yayo pachayo, inokodzera kukora kwemafirimu e17～35μm 3. Manual packaging Iyi mhando yekurongedza ndiyo yakapfava yemhando yekutambanudza firimu. Iyo firimu inosungirirwa pane rack kana kubatwa nemaoko, uye tray inotenderera kana firimu inotenderera kumativi etireyi. Iyo inonyanya kushandiswa kurongedza zvakare mushure mekuputirwa pallet yakuvadzwa, uye yakajairwa pallet kurongedza. Rudzi urwu rwekurongedza kumhanya kunononoka, uye yakakodzera firimu ukobvu ndeye 15-20μm; 4. Tambanudza firimu kuputira muchina packaging Iyi ndiyo yakajairika uye yakakura fomu yekurongedza mechanicha. Iyo tireyi inotenderera kana firimu rinotenderera rakatenderedza tireyi. Iyo firimu inogadziriswa pabhuraketi uye inogona kufamba ichikwira nekudzika. Iri rudzi rwekurongedza huwandu hwakakura kwazvo, dzinenge 15-18 matireyi paawa. Iyo yakakodzera firimu ukobvu ndeye 15-25μm; 5. Horizontal mechanical packaging Yakasiyana kubva kune mamwe mapeji, iyo firimu inotenderera kune zvinhu, inokodzera kurongedza zvinhu zvenguva refu, zvakadai semakapeti, mapuranga, fiberboards, zvinhu zvakagadzirwa, nezvimwewo; 6. Kuputirwa kwemapubhu emapepa Ichi ndicho chimwe chekupedzisira kushandiswa kwefirimu yakatambanudzwa, iyo iri nani kudarika yekare-yakagadzirwa mapepa tube packaging. Iyo yakakodzera firimu ukobvu i30～120μm; 7. Kuputirwa kwezvinhu zviduku Iyi ndiyo yemazuva ano yekuputira fomu yefirimu yakatambanudzwa, iyo haigoni kuderedza kushandiswa kwezvinhu, asiwo kuderedza nzvimbo yekuchengetedza yepallets. Munyika dzekunze, rudzi urwu rwekuputira rwakatanga kuiswa muna 1984. Gore rimwe chete gare gare, zvakawanda zvekuputira zvakadaro zvakaonekwa pamusika. Iyi fomu yekurongedza ine mukana mukuru. Inokodzera firimu ukobvu hwe15～30μm; 8. Kuiswa kwemachubhu netambo Uyu muenzaniso wekushandiswa kwefirimu yakatambanudzwa mumunda unokosha. Midziyo yekurongedza inoiswa pakupera kwemutsara wekugadzira. Iyo yakazara otomatiki yakatambanudzwa firimu haingogone kutsiva tepi kuti isunge zvinhu, asi zvakare kutamba basa rekudzivirira. Ukobvu hunoshanda ndeye 15-30μm. 9. Kutambanudza fomu yepallet mechanism packaging Kurongedza kwefirimu yakatambanudzwa kunofanirwa kutambanudza. Iwo anotambanudza mafomu epallet mechanical packaging anosanganisira zvakananga kutambanudza uye pre-kutambanudza. Pre-stretching yakakamurwa kuva mhando mbiri, imwe iri roll pre-stretching uye imwe ndeyemagetsi kutambanudza. Kutambanudza kwakananga ndiko kupedzisa kutambanudza pakati petireyi nefirimu. Kutambanudza chiyero cheiyo nzira yakaderera (inenge 15% -20%). Kana chiyero chekutambanudza chinodarika 55%～60%, iyo inodarika yekutanga goho remufirimu, hupamhi hwefirimu hunoderedzwa, uye puncture performance inorasika zvakare. Nyore kutyora. Uye pa60% kutambanudza chiyero, simba rekudhonza richiri rakakura kwazvo, kune zvinhu zvakareruka, zvinogona kukanganisa zvinhu.