Lokacin da muka ɗauki kwalban shamfu da aka saba amfani da shi, za a sami tambarin PET a ƙasan kwalbar, wanda ke nufin cewa wannan samfurin kwalban PET ne. Ana amfani da kwalabe na PET a cikin masana'antar wanki da kulawa, galibi a cikin babban iko.
一, Ma'anar samfur
Ana yin kwalabe na PETPET filastikkuma ana sarrafa su ta hanyar matakai ɗaya ko mataki biyu don samun kwantena filastik.
PET filastik yana da halaye na nauyin haske, babban nuna gaskiya, juriya mai tasiri kuma ba sauƙin karya ba.
二, Tsarin sarrafawa
1. Fahimtar preform
The preform samfurin allura ne. A matsayin tsaka-tsakin samfurin da aka kammala don gyare-gyaren biaxial stretch busa na gaba, an kammala ƙwanƙarar ƙirar preform yayin matakin gyaran allura, kuma girmansa ba zai canza ba yayin dumama da shimfiɗawa. Girman, nauyi, da kauri na bango na preform sune abubuwan da muke buƙatar kulawa sosai lokacin busa kwalabe.
Tsarin tsari
Preform gyare-gyare
2. PET kwalban gyare-gyare
Hanyar mataki daya
Hanyar kammala allura, mikewa da busa a cikin injin daya ake kira hanyar mataki daya. Hanyar mataki daya shine yin mikewa da busa bayan an sanyaya preform bayan gyaran allura. Babban fa'idodinsa shine ceton wutar lantarki, yawan aiki mai yawa, babu aikin hannu da rage gurbatar yanayi.
Hanyar mataki biyu
Hanya mai mataki biyu ta raba allura da gyare-gyaren busa da kuma yin su akan inji guda biyu a lokuta daban-daban. Hakanan ana kiranta tsarin yin gyare-gyaren allura mai tsayi. Mataki na farko shine a yi amfani da injin gyare-gyaren allura don yin allurar riga-kafi. Mataki na biyu shine a sake dumama preform a zafin jiki da kuma shimfiɗa shi a cikin kwalba. Amfanin hanyar matakai biyu shine cewa ana iya siyan preform don gyare-gyaren busa. Zai iya rage zuba jari (basira da kayan aiki). Ƙararren preform ya fi ƙanƙanta fiye da na kwalban, wanda ya dace da sufuri da ajiya. Za a iya busa preform ɗin da aka samar a lokacin kashe-kashe a cikin kwalba a cikin lokacin kololuwar.
3. Tsarin gyare-gyaren kwalban PET
三、Material da tsari
1. PET kayan
PET, polyethylene terephthalate, wanda ake magana da shi azaman polyester. Sunan Ingilishi shine Polyethylene Terephthalate, wanda aka samar ta hanyar polymerization reaction (condensation) na albarkatun albarkatun guda biyu, terephthalic acid PTA (terephthalic acid) da ethylene glycol EG (ethylicglycol).
2. Sanin kowa game da bakin kwalba
Bakin kwalban yana da diamita na Ф18, Ф20, Ф22, Ф24, Ф28, Ф33 (daidai da girman T na bakin kwalban), kuma ana iya raba ƙayyadaddun zaren zuwa: 400, 410, 415 (daidai da adadin adadin. zaren juya). Gabaɗaya magana, 400 shine juyawa zaren 1, 410 shine zaren 1.5, kuma 415 shine babban zaren 2.
3. Jikin kwalba
PP da PE kwalabe galibi launuka ne masu ƙarfi, PETG, PET, kayan PVC galibi masu bayyana gaskiya ne, ko kuma masu launin launi, tare da ma'anar fassarori, kuma ba a cika amfani da launuka masu ƙarfi ba. Hakanan ana iya fesa kwalaben PET. Akwai digon madaidaici a kasan kwalaben da aka ƙera. Ya fi haske a ƙarƙashin haske. Akwai layin haɗin gwiwa a kasan kwalbar da aka yi wa allurar.
4. Tallafin kayan haɗi
Babban kayan haɗi masu goyan bayan busa-kwalabe sune matosai na ciki (wanda aka fi amfani da su don kayan PP da PE), manyan iyakoki (wanda aka fi amfani da shi don PP, ABS da acrylic, kuma masu amfani da lantarki, da aluminum mai lantarki, galibi ana amfani da su don fesa toners), famfo shugaban waje. murfin (wanda aka fi amfani da shi don abubuwan da ake amfani da su don abubuwan da ake amfani da su da kayan shafa), huluna masu iyo, madafunan juyewa (fili da iyakoki masu iyo galibi ana amfani da su don manyan layin sinadarai na yau da kullun), da sauransu.
四, Aikace-aikacen masana'antu
Ana amfani da kwalabe na PET sosai a masana'antar kayan kwalliya, galibi a masana'antar tsaftacewa, gami da shamfu, kwalabe na shawa, toner, kwalabe na cire kayan shafa, da sauransu, waɗanda duk an busa su kuma ana kera su.
五, la'akari da siyan
1. Ana iya yin kwalabe na busa da kayan, PET ɗaya ne kawai daga cikinsu, akwai kuma kwalabe na PE (mai laushi, launuka masu ƙarfi, nau'i-nau'i guda ɗaya), kwalabe masu hurawa PP (mafi wuya, launuka masu ƙarfi, lokaci ɗaya). ), PETG busa kwalabe (mafi kyawun bayyananni fiye da PET, amma ba a saba amfani da shi a China, farashi mai yawa, babban sharar gida, ƙirƙirar lokaci ɗaya, kayan da ba za a iya sake yin amfani da su ba), kwalabe na busa PVC (mafi wuya, ba abokantaka na muhalli, ƙarancin haske fiye da PET). amma mafi kyawun haske fiye da PP da PE)
2. Kayan aiki guda ɗaya yana da tsada, mataki biyu yana da arha
3. kwalban PETkyawon tsayuwa sun fi arha.
4. Matsalolin inganci na gama gari da mafita, duba bidiyon
Lokacin aikawa: Agusta-12-2024