Gabatarwa: Idan muka ɗauki kwalbar shamfu ta gama gari, za a sami tambarin PET a ƙasan kwalbar, wanda ke nufin cewa wannan samfurin kwalbar PET ce. Ana amfani da kwalaben PET galibi a masana'antar wanki da kulawa kuma galibi suna da girma. A cikin wannan labarin, galibi muna gabatar da kwalbar PET a matsayin akwati na filastik.
Kwalaben PET kwantena ne na filastik da aka yi da PETkayan filastikta hanyar sarrafa matakai ɗaya ko matakai biyu. Roba mai ɗauke da PET yana da halaye kamar nauyi mai sauƙi, bayyananne, juriya ga tasiri kuma ba shi da sauƙin karyewa.
Tsarin masana'antu
1. Fahimci preform ɗin
Preform samfurin allura ne da aka yi da allura. A matsayin samfurin da aka gama na matsakaicin matsakaici don gyaran bugun bugun biaxial na gaba, an kammala maƙallan preform ɗin a lokacin matakin gyaran allurar, kuma girmansa ba zai canza ba yayin dumama da shimfiɗawa/busawa. Girman, nauyi, da kauri na bango na preform sune abubuwan da muke buƙatar kulawa sosai lokacin busa kwalaben.
A. Tsarin tayin kwalba
B. Gina kwalbar tayi
2. Gina kwalbar dabbar gida
Hanyar mataki ɗaya
Ana kiran tsarin kammala allura, miƙewa da busawa a cikin injin ɗaya hanyar mataki ɗaya. Hanyar mataki ɗaya ita ce yin miƙewa da busawa bayan an sanyaya preform ɗin bayan an yi masa ƙera allura. Babban fa'idodinta sune adana wutar lantarki, yawan aiki mai yawa, rashin aikin hannu da rage gurɓatawa.
Hanyar matakai biyu
Hanyar matakai biyu tana raba allura da miƙewa da busawa, kuma tana yin su akan na'urori biyu a lokuta daban-daban, wanda kuma aka sani da tsarin miƙewa da busawa. Mataki na farko shine amfani da injin ƙera allura don allurar preform. Mataki na biyu shine sake dumama preform ɗin zafin ɗakin sannan a miƙe a busa shi a cikin kwalba. Amfanin hanyar matakai biyu shine a sayi preform ɗin don ƙera busa. Yana iya rage jari (baiwa da kayan aiki). Girman preform ɗin ya fi na kwalbar ƙanƙanta, wanda ya dace da sufuri da ajiya. Preform ɗin da aka samar a lokacin hutun bazara za a iya busa shi a cikin kwalba a lokacin kololuwar kakar.
3. Tsarin ƙera kwalbar PET
1. Kayan dabbobin gida:
PET, polyethylene terephthalate, ana kiransa polyester. Sunan Ingilishi shine Polyethylene Terephthalate, wanda ake samarwa ta hanyar polymerization reaction (condensation) na kayan sinadarai guda biyu: terephthalic acid PTA (terephthalic acid) da ethylene glycol EG (ethylicglycol).
2. Sanin kowa game da bakin kwalba
Bakin kwalbar yana da diamita na Ф18, Ф20, Ф22, Ф24, Ф28, Ф33 (ya yi daidai da girman T na bakin kwalbar), kuma ƙayyadaddun zaren galibi ana iya raba su zuwa: 400, 410, 415 (ya yi daidai da adadin juyawar zaren). Gabaɗaya, 400 shine juyawar zare 1, 410 shine juyawar zare 1.5, kuma 415 shine juyawar zare 2 masu tsayi.
3. Jikin kwalba
Kwalaben PP da PE galibi launuka ne masu ƙarfi, PETG, PET, PVC galibi suna da haske, ko kuma suna da launi da haske, tare da yanayin haske, kuma ba a cika amfani da launuka masu ƙarfi ba. Haka kuma ana iya fesa kwalaben PET. Akwai wurin da ke da santsi a ƙasan kwalbar da aka busa. Yana da haske a ƙarƙashin haske. Akwai layin haɗawa a ƙasan kwalbar da aka busa.
4. Daidaitawa
Manyan kayayyakin da suka dace da kwalaben busawa sune matosai na ciki (wanda aka fi amfani da shi don kayan PP da PE), madafun waje (wanda aka fi amfani da shi don PP, ABS da acrylic, wanda kuma aka fi amfani da shi don electroplated, da kuma aluminum mai launi, wanda galibi ake amfani da shi don feshi), murfin kan famfo (wanda aka fi amfani da shi don essence da lotion), madafun ruwa, madafun juyawa (musamman madafun juyawa da madafun iyo ana amfani da su don layukan sinadarai na yau da kullun), da sauransu.
Aikace-aikace
Ana amfani da kwalaben PET sosai a masana'antar kayan kwalliya,
galibi a masana'antar wanke-wanke da kulawa,
ciki har da shamfu, kwalaben gel na shawa, toner, kwalaben cire kayan shafa, da sauransu.
duk sun fashe.
La'akari da siyan kaya
1. PET ɗaya ce kawai daga cikin kayan da ake da su don busa kwalaben. Akwai kuma kwalaben busa PE (launuka masu laushi, masu ƙarfi, masu tsari ɗaya), kwalaben busa PP (masu tauri, masu launi mai ƙarfi, masu tsari ɗaya), kwalaben busa PETG (masu haske fiye da PET, amma ba a saba amfani da su a China ba, farashi mai tsada, sharar gida mai yawa, kayan da ba za a iya sake amfani da su ba), kwalaben busa PVC (masu tauri, ba masu muhalli ba, marasa haske fiye da PET, amma suna da haske fiye da PP da PE)
2. Kayan aiki mataki ɗaya suna da tsada, kayan aiki mataki biyu suna da arha sosai.
3. Man shafawa na kwalbar PET sun fi araha.
Lokacin Saƙo: Mayu-22-2024