Gabatarwa: Daidaituwar lakabin fim ɗin raguwa yana da ƙarfi sosai.Ana iya yi masa ado don filastik, ƙarfe, gilashi da sauran kwantena na marufi.Ƙunƙasa lakabin hannun riga na fim ya fi shahara a kasuwa saboda yana iya haɗuwa da ƙima mai inganci da siffofi na musamman.Wannan labarin yana raba ilimin da ya dace na samar da lakabin fim na raguwa, abubuwan da ke ciki don ma'anar abokai ne:
Rufe lakabin murfin fim
Rufe fim ɗin lakabin hannun rigar fim ɗin alamar fim ɗin da aka buga akan fim ɗin filastik ko bututun filastik.
01 Halaye
1) Shirye-shiryen lakabin hannun rigar fim ɗin ya dace, marufi marufi, rigakafin gurbatawa, kyakkyawan kariya na kayayyaki;
2) Murfin fim ɗin yana kusa da kaya, marufi yana da ƙananan, kuma yana iya nuna siffar kayan, don haka ya dace da kayan da ba a saba da su ba waɗanda ke da wuya a shirya;
3) Ƙimar murfin murfin fim ɗin alamar lakabin, ba tare da amfani da m ba, kuma zai iya samun daidaitaccen haske kamar gilashi;
4) Alamar suturar suturar fim mai ƙyama na iya samar da kayan ado na 360 ° duka don kwandon kwandon, kuma zai iya buga bayanan samfurin kamar bayanin samfurin akan lakabin, don masu amfani su fahimci aikin samfurin ba tare da bude kunshin ba;
5) Buga tambarin hannun rigar fim na cikin bugu a cikin fim ( rubutu da rubutu suna cikin hannun rigar fim ), wanda zai iya taka rawar kare tabo, kuma juriya na alamar ya fi kyau.
02 Zana mahimman bayanai da ƙa'idodin zaɓin kayan aiki
Tsarin lakabin
Ya kamata a ƙayyade ƙirar ƙirar kayan ado a kan murfin fim ɗin bisa ga kauri na fim ɗin.A lokacin da zayyana abin kwaikwaya, ya kamata mu farko yi bayyana a kwance da kuma a tsaye shrinkage kudi na fim, kazalika da halatta shrinkage kudi na kowane shugabanci bayan marufi da halatta nakasawa kuskure na ado juna bayan shrinkage, don tabbatar da cewa samfuri da rubutu bayan raguwa za a iya dawo dasu daidai.
Kaurin fim da raguwa
Abubuwan da aka yi amfani da su don ƙaddamar da lakabin murfin fim ɗin ya kamata a mayar da hankali kan abubuwa uku: bukatun muhalli, kauri na fim da aikin raguwa.
An ƙaddara kauri na fim ɗin bisa ga filin aikace-aikacen lakabin da ƙimar farashi.Tabbas, farashin ba shine mahimmancin mahimmanci ba, saboda kowane fim na musamman ne, kuma mai amfani da mawallafin alamar kasuwanci dole ne su gano fim ɗin da aiwatar da mafi dacewa da kayan kafin sanya hannu kan kwangilar.Bugu da ƙari, kayan aikin sarrafawa da ake buƙata alamomi da sauran abubuwan tsari kuma suna shafar zaɓin kauri kai tsaye.Kaurin fim ɗin lakabin hannun rigar fim ɗin yawanci shine 30-70 μm, daga cikinsu, an fi amfani da fim ɗin 40μm da 50μm.Bugu da ƙari, ana buƙatar ƙimar raguwa na fim ɗin, kuma ƙimar raguwa (TD) ya fi tsayin tsayin daka (MD).The transverse shrinkage kudi na kowa kayan ne 50% ~ 52% da 60% ~ 62%, kuma zai iya kai 90% a musamman lokuta.Matsakaicin raguwa na tsayi ya kamata ya zama 6% ~ 8%.Lokacin yin lakabin hannun riga na fim, yi ƙoƙarin zaɓar kayan tare da ƙananan raguwa na tsayi.
Kayan fim na bakin ciki
Babban kayan don yin lakabin murfin fim mai raguwa shine fim ɗin PVC, fim ɗin PET, fim ɗin PETG, fim ɗin OPS, da sauransu. Ayyukansa kamar haka:
1) PVC membrane
Fim ɗin PVC yana ɗaya daga cikin kayan fim ɗin da aka fi amfani dashi.Farashinsa yana da ƙasa, kewayon raguwar zafin jiki yana da girma, buƙatun tushen zafi ba shi da yawa, babban tushen zafi mai sarrafa shine iska mai zafi, infrared ko haɗuwa da biyun.Amma PVC yana da wuya a sake yin amfani da shi, lokacin da ake kona gas mai guba, ba shi da kyau ga kare muhalli, a Turai, Japan ta haramta amfani da.
2) OPS fim
A matsayin madadin fim ɗin PVC, an yi amfani da fim ɗin OPS sosai.Yana da kyakkyawan aikin raguwa kuma yana da kyau ga muhalli.Kasuwar cikin gida na wannan samfurin ba ta da wadata, kuma a halin yanzu mafi kyawun OPS ya dogara ne akan shigo da kaya, wanda ya zama muhimmin al'amari na hana ci gabansa.
3) Fim ɗin PETG
Fim ɗin copolymer PETG ba wai kawai yana da fa'ida ga kariyar muhalli ba, kuma ana iya daidaita ƙimar raguwa.Duk da haka, saboda yawan raguwa ya yi girma, za a iyakance shi a amfani.
4) Fim ɗin PET
Fim ɗin PET wani abu ne da aka sani a duniya wanda ba zai iya rage zafin zafi ba.Alamar fasahar sa, kaddarorin jiki, kewayon aikace-aikacen da hanyoyin amfani suna kusa da fim ɗin zafi na PVC, amma farashin ya fi arha fiye da PETG, shine mafi haɓaka fim ɗin karkatar da kai tsaye.Matsakaicin raguwar sa a kwance ya kai 70%, ƙimar raguwar tsayin daka bai wuce 3% ba, kuma mara guba, mara ƙazanta, shine mafi kyawun abu don maye gurbin PVC.
Bugu da kari, zafi shrinkable film tube ne kuma samar da shrinkable fim hannun riga lakabi abu, kuma a cikin samar za a iya kafa ba tare da suture.Idan aka kwatanta da a kwance lebur fim, da kudin na samar shrinkable film lakabin hannun riga da zafi shrinkable film tube ne m, amma bugu a kan surface na tube jiki ne mafi wuya a cimma.A lokaci guda kuma, hotuna da hotuna na lakabin bututun fim mai zafi za a iya buga su kawai a saman fim ɗin, wanda ke da sauƙin sawa yayin sufuri da adanawa, don haka yana tasiri tasirin marufi.
03 gama samfur
Bugawa
Buga akan fim ɗin da aka zaɓa.A halin yanzu, bugu na fim na raguwa galibi yana amfani da bugu na intaglio, ta amfani da tawada masu ƙarfi, sannan kuma bugu na sassauƙa.Tare da haɓaka fasahar bugu na flexo, launukan bugu suna da haske da haske, kwatankwacin bugu na gravure, tare da kauri da babban kyalli na gravure.Bugu da ƙari, flexo bugu ta amfani da tawada mai tushen ruwa, mafi dacewa ga kare muhalli.
Yanke
Tare da babban aikin slitting inji, da buga reel film kayan da aka slited tsawon tsayi, da kuma gefen gefen fim din ana bi da su sa shi santsi, lebur kuma ba crimp.Lokacin amfani da scutters, ya kamata a ba da hankali don kauce wa zafi mai zafi, saboda zafi mai zafi zai sa a yanke fim din wani ɓangare na wrinkle.
dinki
Fim ɗin slit an ɗinka shi a tsakiya tare da injin ɗin suture, kuma an ɗaure bakin bututu don samar da hannun rigar fim ɗin da ake buƙata don marufi.Izinin kayan da ake buƙata don sutura ya dogara da daidaiton suturar da ƙwarewar mai aiki.Matsakaicin izinin suturing shine 10mm, yawanci 6mm.
Yanke juzu'i
An cushe hannun rigar fim a waje da kayan kuma a yanka shi a kwance bisa ga girman marufi tare da scutter.Fim ɗin shrinkage a cikin yanayin zafi mai dacewa, tsayinsa da faɗinsa zai sami ƙaƙƙarfan ƙaƙƙarfan (15% ~ 60%).Ana buƙatar gabaɗaya girman fim ɗin yana da kusan 10% girma fiye da matsakaicin girman siffar kayayyaki.
Zafi yana raguwa
Yi zafi ta hanyar zafi, tanda mai zafi ko bindigar feshin iska mai zafi.A wannan lokacin, lakabin raguwa zai ragu da sauri tare da sigar waje na akwati, kuma ana manne da sigar waje ta akwati sosai, yana samar da lakabin kariya gaba ɗaya daidai da siffar akwati.
A cikin tsarin samar da lakabin hannun rigar fim mai raguwa, tsananin gano kowane tsari yakamata a aiwatar da injin ganowa na musamman don tabbatar da daidaiton samarwa.
04 Iyakar aikace-aikace
Daidaitawar lakabin shrinkage yana da ƙarfi sosai, wanda za'a iya amfani dashi don kayan ado da kayan ado na itace, takarda, karfe, gilashi, yumbu da sauran kwantena na marufi.Ana amfani da shi sosai wajen hada kayan abinci da kayan ado na yau da kullun da samfuran sinadarai, kamar kowane nau'in abin sha, kayan kwalliya, abinci na yara, kofi da sauransu.A fagen alamun miyagun ƙwayoyi, takarda har yanzu ita ce babbar mahimmanci, amma haɓakar shirya fina-finai ya ƙara sauri.A halin yanzu, mabuɗin don haɓaka lakabin hannun rigar fim ɗin shine don rage farashin, ta wannan hanyar ne kawai zai iya haɓaka gasa da ƙoƙarin samun babban kasuwa.
Lokacin aikawa: Agusta-16-2021