{"id":788,"date":"2026-05-08T08:19:43","date_gmt":"2026-05-08T08:19:43","guid":{"rendered":"https:\/\/isbmmolding.com\/?p=788"},"modified":"2026-05-08T08:19:43","modified_gmt":"2026-05-08T08:19:43","slug":"what-are-the-ideal-temperature-settings-for-pet-during-isbm","status":"publish","type":"post","link":"https:\/\/isbmmolding.com\/vi\/nhiet-do-ly-tuong-cho-thu-cung-trong-qua-trinh-isbm-la-bao-nhieu\/","title":{"rendered":"Nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng cho PET trong qu\u00e1 tr\u00ecnh ISBM l\u00e0 bao nhi\u00eau?"},"content":{"rendered":"
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T\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh nhi\u1ec7t ISBM<\/p>\n

Nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng cho PET trong qu\u00e1 tr\u00ecnh ISBM l\u00e0 bao nhi\u00eau?<\/h2>\n

M\u1ed9t h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt nhi\u1ec7t to\u00e0n di\u1ec7n, ch\u1ec9 r\u00f5 c\u00e1c \u0111i\u1ec3m \u0111\u1eb7t nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u01b0u tr\u00ean m\u1ecdi khu v\u1ef1c c\u1ee7a quy tr\u00ecnh \u00e9p th\u1ed5i k\u00e9o gi\u00e3n, t\u1eeb th\u00f9ng ch\u1ee9a v\u00e0 h\u1ec7 th\u1ed1ng d\u1eabn nhi\u1ec7t \u0111\u1ebfn kh\u00e2u \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t v\u00e0 l\u00e0m m\u00e1t khu\u00f4n, nh\u1eb1m s\u1ea3n xu\u1ea5t ra c\u00e1c chai PET ho\u00e0n h\u1ea3o.<\/p>\n<\/div>\n

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\"H\u01b0\u1edbng<\/div>\n

Nhi\u1ec7t \u0111\u1ed9 l\u00e0 bi\u1ebfn s\u1ed1 ch\u00ednh c\u1ee7a qu\u00e1 tr\u00ecnh trong ISBM.<\/h2>\n

Trong quy tr\u00ecnh \u00e9p th\u1ed5i k\u00e9o gi\u00e3n b\u1eb1ng phun (ISBM), nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 trong s\u1ed1 nhi\u1ec1u th\u00f4ng s\u1ed1 kh\u00e1c. N\u00f3 l\u00e0 bi\u1ebfn s\u1ed1 nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc ch\u1ee7 \u0111\u1ea1o chi ph\u1ed1i m\u1ecdi s\u1ef1 chuy\u1ec3n pha, m\u1ecdi s\u1ef1 s\u1eafp x\u1ebfp l\u1ea1i ph\u00e2n t\u1eed v\u00e0 m\u1ecdi k\u1ebft qu\u1ea3 ch\u1ea5t l\u01b0\u1ee3ng. Nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng cho PET trong qu\u00e1 tr\u00ecnh ISBM tr\u1ea3i r\u1ed9ng tr\u00ean m\u1ed9t ph\u1ea1m vi l\u1edbn, t\u1eeb nhi\u1ec7t \u0111\u1ed9 cao c\u1ee7a th\u00f9ng phun l\u00e0m tan ch\u1ea3y c\u00e1c h\u1ea1t tinh th\u1ec3 th\u00e0nh ch\u1ea5t l\u1ecfng \u0111\u1ed3ng nh\u1ea5t, \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 th\u1ea5p c\u1ee7a khu\u00f4n phun l\u00e0m ngu\u1ed9i ch\u1ea5t n\u00f3ng ch\u1ea3y th\u00e0nh ch\u1ea5t r\u1eafn v\u00f4 \u0111\u1ecbnh h\u00ecnh trong su\u1ed1t, \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c \u0111\u1ec3 \u0111\u01b0a ph\u00f4i \u0111\u1ebfn tr\u1ea1ng th\u00e1i k\u00e9o gi\u00e3n t\u1ed1i \u01b0u, \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 khu\u00f4n th\u1ed5i \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng. Sai l\u1ec7ch ch\u1ec9 n\u0103m \u0111\u1ed9 C \u1edf b\u1ea5t k\u1ef3 giai \u0111o\u1ea1n n\u00e0o trong s\u1ed1 n\u00e0y c\u0169ng c\u00f3 th\u1ec3 t\u1ea1o ra s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u1ed9t s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 trong su\u1ed1t ho\u00e0n h\u1ea3o, nh\u01b0 th\u1ee7y tinh v\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m b\u1ecb m\u1edd do nhi\u1ec7t, b\u1ea1c m\u00e0u do \u1ee9ng su\u1ea5t ho\u1eb7c kh\u00f4ng ch\u00ednh x\u00e1c v\u1ec1 k\u00edch th\u01b0\u1edbc. Ever-Power<\/a>L\u00e0 m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t ISBM c\u1ee7a Brazil \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn to\u00e0n c\u1ea7u, m\u00e1y m\u00f3c c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 cung c\u1ea5p v\u00e0 duy tr\u00ec c\u00e1c c\u1ea5u h\u00ecnh nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c n\u00e0y v\u1edbi \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u01b0\u1ee3t tr\u1ed9i, cho ph\u00e9p kh\u00e1ch h\u00e0ng ho\u1ea1t \u0111\u1ed9ng trong ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 h\u1eb9p \u0111\u1eb7c tr\u01b0ng cho s\u1ea3n xu\u1ea5t bao b\u00ec PET cao c\u1ea5p.<\/p>\n

C\u00e1c thi\u1ebft l\u1eadp nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng cho PET trong ISBM kh\u00f4ng ph\u1ea3i l\u00e0 nh\u1eefng con s\u1ed1 t\u00f9y \u00fd. Ch\u00fang \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean c\u00e1c \u0111\u1eb7c t\u00ednh nhi\u1ec7t c\u01a1 b\u1ea3n c\u1ee7a polymer, c\u1ee5 th\u1ec3 l\u00e0 \u0111i\u1ec3m n\u00f3ng ch\u1ea3y c\u1ee7a n\u00f3 \u1edf kho\u1ea3ng 250 \u0111\u1ebfn 260 \u0111\u1ed9 C, nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n pha th\u1ee7y tinh \u1edf kho\u1ea3ng 75 \u0111\u1ed9 C v\u00e0 ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 k\u1ebft tinh. Nhi\u1ec7t \u0111\u1ed9 th\u00f9ng ch\u1ee9a v\u00e0 h\u1ec7 th\u1ed1ng d\u1eabn nhi\u1ec7t ph\u1ea3i \u0111\u1ee7 cao \u0111\u1ec3 l\u00e0m tan ch\u1ea3y ho\u00e0n to\u00e0n PET v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p n\u00f3ng ch\u1ea3y \u0111\u1ed3ng nh\u1ea5t, d\u1ec5 ch\u1ea3y, nh\u01b0ng kh\u00f4ng qu\u00e1 cao \u0111\u1ebfn m\u1ee9c g\u00e2y ra s\u1ef1 ph\u00e2n h\u1ee7y nhi\u1ec7t, l\u00e0m gi\u1ea3m \u0111\u1ed9 nh\u1edbt n\u1ed9i t\u1ea1i v\u00e0 t\u1ea1o ra acetaldehyde. Nhi\u1ec7t \u0111\u1ed9 l\u00e0m m\u00e1t khu\u00f4n \u00e9p phun ph\u1ea3i \u0111\u1ee7 th\u1ea5p \u0111\u1ec3 l\u00e0m ngu\u1ed9i nhanh h\u1ed7n h\u1ee3p n\u00f3ng ch\u1ea3y xu\u1ed1ng d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n pha th\u1ee7y tinh, l\u00e0m \u0111\u00f4ng c\u1ee9ng c\u00e1c chu\u1ed7i polymer \u1edf \u200b\u200btr\u1ea1ng th\u00e1i v\u00f4 \u0111\u1ecbnh h\u00ecnh tr\u01b0\u1edbc khi c\u00e1c tinh th\u1ec3 c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh. Nhi\u1ec7t \u0111\u1ed9 x\u1eed l\u00fd ph\u1ea3i \u0111\u01b0a th\u00e2n ph\u00f4i v\u00e0o v\u00f9ng cao nguy\u00ean \u0111\u00e0n h\u1ed3i ngay tr\u00ean nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n pha th\u1ee7y tinh, n\u01a1i c\u00e1c chu\u1ed7i polymer c\u00f3 \u0111\u1ee7 \u0111\u1ed9 linh \u0111\u1ed9ng \u0111\u1ec3 du\u1ed7i th\u1eb3ng v\u00e0 s\u1eafp x\u1ebfp trong qu\u00e1 tr\u00ecnh k\u00e9o gi\u00e3n, nh\u01b0ng kh\u00f4ng qu\u00e1 nhi\u1ec1u \u0111\u1ed9 linh \u0111\u1ed9ng \u0111\u1ebfn m\u1ee9c ch\u00fang c\u00f3 th\u1ec3 k\u1ebft tinh nhi\u1ec7t. H\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt nhi\u1ec7t to\u00e0n di\u1ec7n n\u00e0y s\u1ebd ch\u1ec9 r\u00f5 c\u00e1c \u0111i\u1ec3m \u0111\u1eb7t nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng cho t\u1eebng v\u00f9ng c\u1ee7a quy tr\u00ecnh ISBM, gi\u1ea3i th\u00edch c\u00e1c nguy\u00ean l\u00fd v\u1eadt l\u00fd \u0111\u1eb1ng sau m\u1ed7i th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 ch\u1ea9n \u0111o\u00e1n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u00e0 kh\u1eafc ph\u1ee5c c\u00e1c l\u1ed7i li\u00ean quan \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 tr\u00ean c\u00e1c m\u00e1y m\u00f3c nh\u01b0... M\u00e1y EP-HGY150-V4 4 tr\u1ea1m<\/a> v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n servo M\u00e1y servo \u0111\u1ea7y \u0111\u1ee7 EP-HGY150-V4-EV<\/a>.<\/p>\n

N\u1eafm v\u1eefng c\u00e1c thi\u1ebft l\u1eadp nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng cho PET l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a vi\u1ec7c ki\u1ec3m so\u00e1t quy tr\u00ecnh ISBM. H\u01b0\u1edbng d\u1eabn n\u00e0y cung c\u1ea5p l\u1ed9 tr\u00ecnh nhi\u1ec7t ho\u00e0n ch\u1ec9nh \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 th\u00e0nh th\u1ea1o \u0111\u00f3 v\u00e0 li\u00ean t\u1ee5c s\u1ea3n xu\u1ea5t c\u00e1c h\u1ed9p \u0111\u1ef1ng c\u00f3 \u0111\u1ed9 trong su\u1ed1t quang h\u1ecdc v\u00e0 hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n

Li\u00ean h\u1ec7 v\u1edbi c\u00e1c k\u1ef9 s\u01b0 x\u1eed l\u00fd nhi\u1ec7t c\u1ee7a ch\u00fang t\u00f4i<\/a><\/div>\n<\/div>\n<\/div>\n

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Th\u00f9ng phun v\u00e0 h\u1ec7 th\u1ed1ng d\u1eabn nhi\u1ec7t: Khu v\u1ef1c chu\u1ea9n b\u1ecb n\u00f3ng ch\u1ea3y<\/h2>\n

Qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t c\u1ee7a PET trong quy tr\u00ecnh ISBM b\u1eaft \u0111\u1ea7u t\u1eeb th\u00f9ng phun, n\u01a1i c\u00e1c h\u1ea1t r\u1eafn \u0111\u01b0\u1ee3c chuy\u1ec3n h\u00f3a th\u00e0nh ch\u1ea5t n\u00f3ng ch\u1ea3y \u0111\u1ed3ng nh\u1ea5t, v\u00e0 ti\u1ebfp t\u1ee5c qua h\u1ec7 th\u1ed1ng d\u1eabn nhi\u1ec7t ph\u00e2n ph\u1ed1i ch\u1ea5t n\u00f3ng ch\u1ea3y \u0111\u1ebfn c\u00e1c khoang t\u1ea1o h\u00ecnh.<\/p>\n

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\ud83d\udd25<\/span><\/p>\n

C\u00e0i \u0111\u1eb7t nhi\u1ec7t \u0111\u1ed9 v\u00f9ng th\u00f9ng l\u00fd t\u01b0\u1edfng cho PET ti\u00eau chu\u1ea9n<\/h3>\n

Th\u00f9ng \u00e9p phun \u0111\u01b0\u1ee3c chia th\u00e0nh nhi\u1ec1u v\u00f9ng gia nhi\u1ec7t \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9c l\u1eadp. \u0110\u1ed1i v\u1edbi PET ti\u00eau chu\u1ea9n d\u00f9ng cho chai l\u1ecd c\u00f3 \u0111\u1ed9 nh\u1edbt n\u1ed9i t\u1ea1i l\u00e0 0,80 dL\/g, c\u1ea5u h\u00ecnh nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng t\u1eeb 270 \u0111\u1ebfn 290 \u0111\u1ed9 C. C\u1ea5u h\u00ecnh kh\u1edfi \u0111\u1ea7u \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb l\u00e0: v\u00f9ng ph\u00eda sau \u1edf 270 \u0111\u1ebfn 275 \u0111\u1ed9 C, v\u00f9ng gi\u1eefa \u1edf 275 \u0111\u1ebfn 280 \u0111\u1ed9 C, v\u00f9ng ph\u00eda tr\u01b0\u1edbc \u1edf 280 \u0111\u1ebfn 285 \u0111\u1ed9 C v\u00e0 v\u00f2i phun \u1edf 275 \u0111\u1ebfn 280 \u0111\u1ed9 C. Nhi\u1ec7t \u0111\u1ed9 n\u00f3i chung n\u00ean t\u0103ng d\u1ea7n t\u1eeb ph\u00eda sau ra ph\u00eda tr\u01b0\u1edbc th\u00f9ng \u0111\u1ec3 th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh n\u00f3ng ch\u1ea3y di\u1ec5n ra su\u00f4n s\u1ebb v\u00e0 \u0111\u01b0a nh\u1ef1a n\u00f3ng ch\u1ea3y v\u1ec1 ph\u00eda tr\u01b0\u1edbc. Nhi\u1ec7t \u0111\u1ed9 v\u00f2i phun th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi v\u00f9ng ph\u00eda tr\u01b0\u1edbc \u0111\u1ec3 ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng nh\u1ecf gi\u1ecdt ho\u1eb7c t\u1ea1o s\u1ee3i nh\u1ef1a n\u00f3ng ch\u1ea3y khi b\u1ed9 ph\u1eadn \u00e9p phun r\u00fat ra kh\u1ecfi khu\u00f4n. Nh\u1eefng nhi\u1ec7t \u0111\u1ed9 n\u00e0y cao h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi \u0111i\u1ec3m n\u00f3ng ch\u1ea3y c\u1ee7a PET, kho\u1ea3ng 250 \u0111\u1ebfn 260 \u0111\u1ed9 C, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh n\u00f3ng ch\u1ea3y ho\u00e0n to\u00e0n v\u00e0 gi\u1ea3m \u0111\u1ed9 nh\u1edbt c\u1ee7a nh\u1ef1a n\u00f3ng ch\u1ea3y xu\u1ed1ng m\u1ee9c ph\u00f9 h\u1ee3p cho vi\u1ec7c \u00e9p phun. Tuy nhi\u00ean, ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 tr\u00ean 290 \u0111\u1ed9 C trong th\u1eddi gian d\u00e0i s\u1ebd l\u00e0m t\u0103ng nguy c\u01a1 ph\u00e2n h\u1ee7y nhi\u1ec7t. C\u00e1c chu\u1ed7i polymer b\u1eaft \u0111\u1ea7u b\u1ecb ph\u00e2n h\u1ee7y, l\u00e0m gi\u1ea3m \u0111\u1ed9 nh\u1edbt n\u1ed9i t\u1ea1i v\u00e0 t\u1ea1o ra acetaldehyde, m\u1ed9t h\u1ee3p ch\u1ea5t d\u1ec5 bay h\u01a1i c\u00f3 th\u1ec3 t\u1ea1o ra v\u1ecb ng\u1ecdt kh\u00f3 ch\u1ecbu cho \u0111\u1ed3 u\u1ed1ng trong th\u00f9ng ch\u1ee9a. \u0110\u00e2y l\u00e0 m\u1ed9t khuy\u1ebft \u0111i\u1ec3m nghi\u00eam tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1ed3 u\u1ed1ng. Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 b\u1eb1ng c\u00e1ch \u0111\u01b0a nhi\u1ec7t k\u1ebf kim v\u00e0o m\u1eabu n\u00f3ng ch\u1ea3y \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch. Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y \u0111o \u0111\u01b0\u1ee3c ph\u1ea3i n\u1eb1m trong ph\u1ea1m vi 5 \u0111\u1ed9 C so v\u1edbi \u0111i\u1ec3m \u0111\u1eb7t. N\u1ebfu nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y cao h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi \u0111i\u1ec3m \u0111\u1eb7t, t\u1ed1c \u0111\u1ed9 quay c\u1ee7a tr\u1ee5c v\u00edt c\u00f3 th\u1ec3 t\u1ea1o ra nhi\u1ec7t c\u1eaft qu\u00e1 m\u1ee9c, v\u00e0 c\u1ea7n gi\u1ea3m t\u1ed1c \u0111\u1ed9 quay (RPM). Tr\u00ean c\u00e1c m\u00e1y nh\u01b0... EP-BPET-125V4<\/a>C\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c gi\u00fap duy tr\u00ec c\u00e1c v\u00f9ng trong th\u00f9ng quay \u1edf m\u1ee9c dung sai ch\u1eb7t ch\u1ebd.<\/p>\n<\/div>\n

\u2699\ufe0f<\/span><\/p>\n

C\u00e0i \u0111\u1eb7t nhi\u1ec7t \u0111\u1ed9 \u1ed1ng d\u1eabn nhi\u1ec7t v\u00e0 v\u00f2i phun<\/h3>\n

H\u1ec7 th\u1ed1ng d\u1eabn nhi\u1ec7t (hot runner manifold) ph\u00e2n ph\u1ed1i nh\u1ef1a n\u00f3ng ch\u1ea3y t\u1eeb v\u00f2i phun c\u1ee7a th\u00f9ng \u00e9p \u0111\u1ebfn c\u00e1c khoang ch\u1ee9a ph\u00f4i ri\u00eang l\u1ebb. Nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng c\u1ee7a h\u1ec7 th\u1ed1ng d\u1eabn nhi\u1ec7t th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t trong kho\u1ea3ng t\u1eeb 270 \u0111\u1ebfn 285 \u0111\u1ed9 C, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ho\u1eb7c th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi nhi\u1ec7t \u0111\u1ed9 v\u00f9ng ph\u00eda tr\u01b0\u1edbc th\u00f9ng \u00e9p v\u00e0 v\u00f2i phun. H\u1ec7 th\u1ed1ng d\u1eabn nhi\u1ec7t ph\u1ea3i duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 PET \u1ed5n \u0111\u1ecbnh tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c k\u00eanh. B\u1ea5t k\u1ef3 s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 n\u00e0o tr\u00ean h\u1ec7 th\u1ed1ng d\u1eabn nhi\u1ec7t s\u1ebd khi\u1ebfn m\u1ed9t s\u1ed1 ph\u00f4i \u0111\u01b0\u1ee3c \u00e9p v\u1edbi v\u1eadt li\u1ec7u n\u00f3ng h\u01a1n ho\u1eb7c l\u1ea1nh h\u01a1n, d\u1eabn \u0111\u1ebfn tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 t\u00ednh ch\u1ea5t quang h\u1ecdc c\u1ee7a ph\u00f4i kh\u00f4ng nh\u1ea5t qu\u00e1n. M\u1ed7i v\u00f2i phun c\u1ee7a h\u1ec7 th\u1ed1ng d\u1eabn nhi\u1ec7t th\u01b0\u1eddng c\u00f3 d\u1ea3i gia nhi\u1ec7t v\u00e0 c\u1eb7p nhi\u1ec7t \u0111i\u1ec7n ri\u00eang, cho ph\u00e9p \u0111i\u1ec1u khi\u1ec3n nhi\u1ec7t \u0111\u1ed9 ri\u00eang bi\u1ec7t. \u0110\u1ea7u v\u00f2i phun, ti\u1ebfp x\u00fac v\u1edbi khu\u00f4n \u00e9p t\u01b0\u01a1ng \u0111\u1ed1i l\u1ea1nh, c\u00f3 th\u1ec3 c\u1ea7n \u0111i\u1ec3m \u0111\u1eb7t nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n m\u1ed9t ch\u00fat \u0111\u1ec3 b\u00f9 l\u1ea1i s\u1ef1 m\u1ea5t nhi\u1ec7t. Nhi\u1ec7t \u0111\u1ed9 h\u1ec7 th\u1ed1ng d\u1eabn nhi\u1ec7t n\u00ean \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf gi\u00e1 tr\u1ecb t\u1ed1i thi\u1ec3u \u0111\u1ec3 duy tr\u00ec d\u00f2ng ch\u1ea3y \u1ed5n \u0111\u1ecbnh \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c khoang. Nhi\u1ec7t \u0111\u1ed9 h\u1ec7 th\u1ed1ng d\u1eabn nhi\u1ec7t qu\u00e1 cao s\u1ebd l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 ph\u00e2n h\u1ee7y nhi\u1ec7t v\u00e0 c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng PET b\u1ecb \u1ed1 v\u00e0ng. H\u1ec7 th\u1ed1ng d\u1eabn nhi\u1ec7t n\u00ean \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 lo\u1ea1i b\u1ecf b\u1ea5t k\u1ef3 v\u1eadt li\u1ec7u b\u1ecb ph\u00e2n h\u1ee7y n\u00e0o c\u00f3 th\u1ec3 t\u00edch t\u1ee5 trong c\u00e1c v\u00f9ng \u1ee9 \u0111\u1ecdng. \u0110\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh gia c\u00f4ng rPET, nhi\u1ec7t \u0111\u1ed9 h\u1ec7 th\u1ed1ng d\u1eabn nhi\u1ec7t c\u00f3 th\u1ec3 c\u1ea7n gi\u1ea3m t\u1eeb 5 \u0111\u1ebfn 10 \u0111\u1ed9 C so v\u1edbi PET nguy\u00ean sinh, v\u00ec rPET c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed th\u1ea5p h\u01a1n s\u1ebd b\u1ecb ph\u00e2n h\u1ee7y nhanh h\u01a1n \u1edf nhi\u1ec7t \u0111\u1ed9 cao. Khu\u00f4n th\u1ed5i k\u00e9o gi\u00e3n phun m\u1ed9t b\u01b0\u1edbc t\u00f9y ch\u1ec9nh<\/a> C\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a Ever-Power t\u00edch h\u1ee3p thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng d\u1eabn nhi\u1ec7t t\u1ed1i \u01b0u gi\u00fap gi\u1ea3m thi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng gia nhi\u1ec7t do ma s\u00e1t v\u00e0 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c khoang.<\/p>\n<\/div>\n<\/div>\n

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\"Ma<\/div>\n<\/div>\n<\/div>\n

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L\u00e0m ngu\u1ed9i khu\u00f4n \u00e9p phun: Nhi\u1ec7t \u0111\u1ed9 l\u00e0m ngu\u1ed9i v\u00f4 \u0111\u1ecbnh h\u00ecnh t\u1edbi h\u1ea1n<\/h2>\n

Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u01b0\u1edbc l\u00e0m m\u00e1t khu\u00f4n \u00e9p phun c\u00f3 th\u1ec3 n\u00f3i l\u00e0 thi\u1ebft l\u1eadp nhi\u1ec7t \u0111\u1ed9 quan tr\u1ecdng nh\u1ea5t trong to\u00e0n b\u1ed9 quy tr\u00ecnh ISBM \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 trong su\u1ed1t quang h\u1ecdc.<\/p>\n

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\u2744\ufe0f<\/span>Nhi\u1ec7t \u0111\u1ed9 v\u00e0 l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00e0m m\u00e1t khu\u00f4n l\u00fd t\u01b0\u1edfng<\/h3>\n

Khu\u00f4n \u00e9p phun ph\u1ea3i l\u00e0m ngu\u1ed9i nhanh PET n\u00f3ng ch\u1ea3y t\u1eeb kho\u1ea3ng 280 \u0111\u1ed9 C xu\u1ed1ng d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n pha th\u1ee7y tinh l\u00e0 75 \u0111\u1ed9 C ch\u1ec9 trong v\u00e0i gi\u00e2y. Qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i n\u00e0y ph\u1ea3i \u0111\u1ee7 nhanh \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 h\u00ecnh th\u00e0nh v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c tinh th\u1ec3 h\u00ecnh c\u1ea7u, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng m\u1edd do nhi\u1ec7t. Nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc l\u00e0m m\u00e1t l\u00fd t\u01b0\u1edfng khi v\u00e0o khu\u00f4n \u00e9p phun th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng t\u1eeb 6 \u0111\u1ebfn 10 \u0111\u1ed9 C. Nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc tr\u00ean 12 \u0111\u1ed9 C l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 t\u1ed1c \u0111\u1ed9 l\u00e0m ngu\u1ed9i v\u00e0 t\u0103ng nguy c\u01a1 m\u1edd, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf v\u00f9ng c\u1ed5ng d\u00e0y c\u1ee7a ph\u00f4i. N\u01b0\u1edbc l\u00e0m m\u00e1t ph\u1ea3i \u0111\u01b0\u1ee3c cung c\u1ea5p v\u1edbi l\u01b0u l\u01b0\u1ee3ng \u0111\u1ee7 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u00f2ng ch\u1ea3y r\u1ed1i qua c\u00e1c k\u00eanh l\u00e0m m\u00e1t c\u1ee7a khu\u00f4n. D\u00f2ng ch\u1ea3y r\u1ed1i t\u1ed1i \u0111a h\u00f3a h\u1ec7 s\u1ed1 truy\u1ec1n nhi\u1ec7t gi\u1eefa th\u00e0nh k\u00eanh v\u00e0 n\u01b0\u1edbc. D\u00f2ng ch\u1ea3y t\u1ea7ng t\u1ea1o ra m\u1ed9t l\u1edbp n\u01b0\u1edbc \u1ea5m h\u01a1n \u00e1p s\u00e1t th\u00e0nh k\u00eanh, c\u00e1ch nhi\u1ec7t cho khu\u00f4n kh\u1ecfi hi\u1ec7u \u1ee9ng l\u00e0m m\u00e1t. \u00c1p su\u1ea5t v\u00e0 l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra \u1edf \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra c\u1ee7a khu\u00f4n. S\u1ef1 s\u1ee5t gi\u1ea3m \u00e1p su\u1ea5t tr\u00ean khu\u00f4n cao h\u01a1n d\u1ef1 ki\u1ebfn \u200b\u200bc\u00f3 th\u1ec3 cho th\u1ea5y k\u00eanh l\u00e0m m\u00e1t b\u1ecb t\u1eafc m\u1ed9t ph\u1ea7n do s\u1ef1 t\u00edch t\u1ee5 c\u1eb7n kho\u00e1ng. Vi\u1ec7c t\u1ea9y c\u1eb7n si\u00eau \u00e2m \u0111\u1ecbnh k\u1ef3 c\u00e1c k\u00eanh l\u00e0m m\u00e1t c\u1ee7a khu\u00f4n l\u00e0 m\u1ed9t quy tr\u00ecnh b\u1ea3o tr\u00ec ph\u00f2ng ng\u1eeba thi\u1ebft y\u1ebfu. Nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc l\u00e0m m\u00e1t c\u1ea7n ph\u1ea3i \u1ed5n \u0111\u1ecbnh. S\u1ef1 dao \u0111\u1ed9ng do m\u00e1y l\u00e0m l\u1ea1nh qu\u00e1 nh\u1ecf ho\u1eb7c do t\u1ea3i tr\u1ecdng quy tr\u00ecnh thay \u0111\u1ed5i s\u1ebd d\u1eabn \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m kh\u00f4ng nh\u1ea5t qu\u00e1n. \u0110\u1ed1i v\u1edbi khu\u00f4n nhi\u1ec1u khoang tr\u00ean c\u00e1c m\u00e1y nh\u01b0... EP-HGY250-V4-B<\/a>C\u00f4ng su\u1ea5t c\u1ee7a m\u00e1y l\u00e0m l\u1ea1nh ph\u1ea3i \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n sao cho \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c t\u1ed5ng t\u1ea3i nhi\u1ec7t c\u1ee7a qu\u00e1 tr\u00ecnh phun.<\/p>\n<\/div>\n<\/div>\n

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\u23f1\ufe0f<\/span>Th\u1eddi gian l\u00e0m ngu\u1ed9i v\u00e0 nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea9y ph\u00f4i<\/h3>\n

Th\u1eddi gian l\u00e0m ngu\u1ed9i tr\u00ean m\u00e1y ph\u1ea3i \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t \u0111\u1ee7 d\u00e0i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o nhi\u1ec7t \u0111\u1ed9 l\u00f5i ph\u00f4i gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n pha th\u1ee7y tinh tr\u01b0\u1edbc khi \u0111\u1ea9y ra. N\u1ebfu ph\u00f4i \u0111\u01b0\u1ee3c \u0111\u1ea9y ra khi l\u00f5i v\u1eabn c\u00f2n tr\u00ean nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n pha th\u1ee7y tinh, nhi\u1ec7t l\u01b0\u1ee3ng d\u01b0 s\u1ebd k\u00edch ho\u1ea1t qu\u00e1 tr\u00ecnh k\u1ebft tinh nhi\u1ec7t trong v\u00e0i gi\u00e2y sau khi \u0111\u1ea9y ra. Ph\u00f4i s\u1ebd xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng m\u1edd \u0111\u1ee5c, th\u01b0\u1eddng r\u00f5 r\u1ec7t nh\u1ea5t \u1edf g\u1ea7n v\u00f9ng c\u1ed5ng d\u00e0y. Nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea9y ph\u00f4i l\u00fd t\u01b0\u1edfng l\u00e0 d\u01b0\u1edbi kho\u1ea3ng 65 \u0111\u1ed9 C, an to\u00e0n d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n pha th\u1ee7y tinh. Th\u1eddi gian l\u00e0m ngu\u1ed9i th\u1ef1c t\u1ebf c\u1ea7n thi\u1ebft ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 d\u00e0y th\u00e0nh ph\u00f4i. Ph\u00f4i th\u00e0nh d\u00e0y d\u00f9ng cho h\u1ed9p \u0111\u1ef1ng l\u1edbn c\u00f3 th\u1ec3 c\u1ea7n 8 \u0111\u1ebfn 12 gi\u00e2y l\u00e0m ngu\u1ed9i. Ph\u00f4i th\u00e0nh m\u1ecfng d\u00f9ng cho chai n\u01b0\u1edbc nh\u1eb9 c\u00f3 th\u1ec3 l\u00e0m ngu\u1ed9i \u0111\u1ee7 trong 4 \u0111\u1ebfn 6 gi\u00e2y. Th\u1eddi gian l\u00e0m ngu\u1ed9i c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1eb1ng c\u00e1ch \u0111o nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t c\u1ee7a ph\u00f4i ngay sau khi \u0111\u1ea9y ra b\u1eb1ng nhi\u1ec7t k\u1ebf ti\u1ebfp x\u00fac ho\u1eb7c nhi\u1ec7t k\u1ebf h\u1ed3ng ngo\u1ea1i. N\u1ebfu nhi\u1ec7t \u0111\u1ed9 ph\u00f4i cao h\u01a1n m\u1ee9c m\u1ee5c ti\u00eau, c\u1ea7n t\u0103ng th\u1eddi gian l\u00e0m ngu\u1ed9i ho\u1eb7c gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc l\u00e0m m\u00e1t n\u1ebfu n\u1eb1m trong kh\u1ea3 n\u0103ng c\u1ee7a m\u00e1y l\u00e0m l\u1ea1nh. EP-HGY200-V4<\/a> Ph\u1ea7n m\u1ec1m n\u00e0y cung c\u1ea5p kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c th\u1eddi gian l\u00e0m m\u00e1t, cho ph\u00e9p ng\u01b0\u1eddi v\u1eadn h\u00e0nh t\u1ed1i \u01b0u h\u00f3a th\u00f4ng s\u1ed1 quan tr\u1ecdng n\u00e0y cho thi\u1ebft k\u1ebf ph\u00f4i c\u1ee5 th\u1ec3 v\u00e0 y\u00eau c\u1ea7u v\u1ec1 th\u1eddi gian chu k\u1ef3.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\"M\u1eb7t<\/div>\n<\/div>\n

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C\u00e0i \u0111\u1eb7t nhi\u1ec7t \u0111\u1ed9 tr\u1ea1m \u0111i\u1ec1u h\u00f2a v\u00e0 khu\u00f4n th\u1ed5i<\/h2>\n

Tr\u1ea1m \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0a ph\u00f4i \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 k\u00e9o gi\u00e3n t\u1ed1i \u01b0u, trong khi khu\u00f4n th\u1ed5i l\u00e0m ngu\u1ed9i v\u00e0 \u1ed5n \u0111\u1ecbnh s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n. C\u1ea3 hai c\u00f4ng \u0111o\u1ea1n \u0111\u1ec1u y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n

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\ud83c\udf21\ufe0f<\/span>Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng v\u00e0 c\u00e0i \u0111\u1eb7t v\u00f9ng cho n\u1ed3i \u0111i\u1ec1u h\u00f2a<\/h3>\n

Tr\u1ea1m x\u1eed l\u00fd nhi\u1ec7t ph\u1ea3i l\u00e0m n\u00f3ng ph\u00f4i \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 ngay tr\u00ean nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n pha th\u1ee7y tinh c\u1ee7a PET, t\u1ea1i \u0111\u00f3 polymer \u1edf \u200b\u200btr\u1ea1ng th\u00e1i d\u1ebbo, \u0111\u00e0n h\u1ed3i l\u00fd t\u01b0\u1edfng cho vi\u1ec7c k\u00e9o gi\u00e3n hai chi\u1ec1u. Nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng c\u1ee7a n\u1ed3i x\u1eed l\u00fd nhi\u1ec7t cho PET ti\u00eau chu\u1ea9n th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng 95 \u0111\u1ebfn 110 \u0111\u1ed9 C, \u0111\u01b0\u1ee3c \u0111o t\u1ea1i b\u1ec1 m\u1eb7t n\u1ed3i. Nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t th\u1ef1c t\u1ebf \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u1ee7a ph\u00f4i s\u1ebd th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat do \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac nhi\u1ec7t gi\u1eefa n\u1ed3i v\u00e0 ph\u00f4i. C\u00e1c n\u1ed3i x\u1eed l\u00fd nhi\u1ec7t \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c v\u00f9ng c\u00f3 th\u1ec3 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9c l\u1eadp d\u1ecdc theo chi\u1ec1u d\u00e0i c\u1ee7a ch\u00fang. M\u1ed9t c\u1ea5u h\u00ecnh v\u00f9ng \u0111i\u1ec3n h\u00ecnh cho ph\u00f4i chai n\u01b0\u1edbc 500ml ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 l\u00e0: v\u00f9ng vai \u1edf 100 \u0111\u1ebfn 105 \u0111\u1ed9 C, v\u00f9ng th\u00e2n \u1edf 105 \u0111\u1ebfn 110 \u0111\u1ed9 C v\u00e0 v\u00f9ng \u0111\u00e1y \u1edf 95 \u0111\u1ebfn 100 \u0111\u1ed9 C. V\u00f9ng vai th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat \u0111\u1ec3 ng\u0103n ph\u1ea7n c\u1ed5 chai b\u1ecb n\u00f3ng l\u00ean v\u00e0 bi\u1ebfn d\u1ea1ng. V\u00f9ng th\u00e2n \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf nhi\u1ec7t \u0111\u1ed9 k\u00e9o gi\u00e3n ch\u00ednh. V\u00f9ng \u0111\u00e1y \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat \u0111\u1ec3 ng\u0103n v\u00f9ng c\u1ed5ng d\u00e0y b\u1ecb qu\u00e1 n\u00f3ng v\u00e0 k\u1ebft tinh. C\u00e1c nhi\u1ec7t \u0111\u1ed9 n\u00e0y l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho t\u1eebng thi\u1ebft k\u1ebf ph\u00f4i v\u00e0 h\u00ecnh d\u1ea1ng th\u00f9ng ch\u1ee9a c\u1ee5 th\u1ec3. Th\u1eddi gian x\u1eed l\u00fd ph\u1ea3i \u0111\u1ee7 \u0111\u1ec3 nhi\u1ec7t \u0111\u1ed9 c\u00e2n b\u1eb1ng tr\u00ean to\u00e0n b\u1ed9 \u0111\u1ed9 d\u00e0y th\u00e0nh c\u1ee7a ph\u00f4i. Ph\u00f4i th\u00e0nh d\u00e0y c\u00f3 th\u1ec3 c\u1ea7n 8 \u0111\u1ebfn 10 gi\u00e2y x\u1eed l\u00fd. Th\u1eddi gian x\u1eed l\u00fd kh\u00f4ng \u0111\u1ee7 s\u1ebd khi\u1ebfn l\u00f5i ph\u00f4i l\u1ea1nh h\u01a1n b\u1ec1 m\u1eb7t, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng tr\u1eafng h\u00f3a do \u1ee9ng su\u1ea5t trong qu\u00e1 tr\u00ecnh k\u00e9o gi\u00e3n. H\u1ec7 th\u1ed1ng s\u00e1u tr\u1ea1m EP-HGYS280-V6<\/a> V\u1edbi hai tr\u1ea1m x\u1eed l\u00fd nhi\u1ec7t, m\u00e1y cung c\u1ea5p kh\u1ea3 n\u0103ng chu\u1ea9n b\u1ecb nhi\u1ec7t m\u1edf r\u1ed9ng cho c\u00e1c ph\u00f4i ph\u1ee9c t\u1ea1p ho\u1eb7c c\u00f3 th\u00e0nh d\u00e0y.<\/p>\n<\/div>\n<\/div>\n

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\ud83d\udca8<\/span>Nhi\u1ec7t \u0111\u1ed9 l\u00e0m m\u00e1t khu\u00f4n th\u1ed5i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc<\/h3>\n

Khu\u00f4n th\u1ed5i ph\u1ea3i l\u00e0m ngu\u1ed9i s\u1ea3n ph\u1ea9m \u0111\u00e3 \u0111\u01b0\u1ee3c k\u00e9o gi\u00e3n \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc tr\u01b0\u1edbc khi \u0111\u1ea9y ra. Nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc l\u00e0m m\u00e1t l\u00fd t\u01b0\u1edfng cho khu\u00f4n th\u1ed5i th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng t\u1eeb 8 \u0111\u1ebfn 12 \u0111\u1ed9 C. Nhi\u1ec7t \u0111\u1ed9 n\u00e0y cao h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi nhi\u1ec7t \u0111\u1ed9 l\u00e0m m\u00e1t c\u1ee7a khu\u00f4n \u00e9p phun v\u00ec th\u00e0nh khu\u00f4n m\u1ecfng h\u01a1n th\u00e0nh ph\u00f4i v\u00e0 ngu\u1ed9i nhanh h\u01a1n. Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a vi\u1ec7c l\u00e0m m\u00e1t khu\u00f4n th\u1ed5i l\u00e0 kh\u00f3a c\u1ea5u tr\u00fac \u0111\u1ecbnh h\u01b0\u1edbng hai chi\u1ec1u v\u00e0 ng\u0103n ng\u1eeba s\u1ef1 co ng\u00f3t sau khi \u0111\u00fac. N\u1ebfu khu\u00f4n th\u1ed5i qu\u00e1 n\u00f3ng, s\u1ea3n ph\u1ea9m s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ea9y ra khi v\u1eabn c\u00f2n n\u00f3ng v\u00e0 s\u1ebd ti\u1ebfp t\u1ee5c co ng\u00f3t v\u00e0 bi\u1ebfn d\u1ea1ng trong kh\u00f4ng kh\u00ed xung quanh. N\u1ebfu khu\u00f4n th\u1ed5i qu\u00e1 l\u1ea1nh, b\u1ec1 m\u1eb7t s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 ngu\u1ed9i qu\u00e1 nhanh, t\u1ea1o ra s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 xuy\u00ean qua th\u00e0nh khu\u00f4n g\u00e2y ra \u1ee9ng su\u1ea5t d\u01b0 v\u00e0 c\u00f3 th\u1ec3 g\u00e2y cong v\u00eanh. Vi\u1ec7c l\u00e0m m\u00e1t khu\u00f4n th\u1ed5i ph\u1ea3i \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean c\u1ea3 hai n\u1eeda khu\u00f4n. Ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 ch\u1ec9 v\u00e0i \u0111\u1ed9 gi\u1eefa hai n\u1eeda khu\u00f4n c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn nh\u1ef1a \u0111\u00f4ng c\u1ee9ng \u1edf c\u00e1c t\u1ed1c \u0111\u1ed9 kh\u00e1c nhau, d\u1eabn \u0111\u1ebfn cong v\u00eanh. T\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y v\u00e0 nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc l\u00e0m m\u00e1t c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra t\u1ea1i m\u1ed7i \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra c\u1ee7a hai n\u1eeda khu\u00f4n. \u0110\u1ed1i v\u1edbi s\u1ea3n xu\u1ea5t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn tr\u00ean c\u00e1c m\u00e1y m\u00f3c nh\u01b0... EP-HGY250-V4<\/a>Vi\u1ec7c duy tr\u00ec qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t khu\u00f4n th\u1ed5i \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c khoang l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ed3ng nh\u1ea5t v\u1ec1 k\u00edch th\u01b0\u1edbc.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\"C\u00e1c<\/div>\n<\/div>\n

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\u0110i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 cho rPET, PP v\u00e0 c\u00e1c lo\u1ea1i nh\u1ef1a \u0111\u1eb7c bi\u1ec7t<\/h2>\n

C\u1ea7n \u0111i\u1ec1u ch\u1ec9nh c\u00e0i \u0111\u1eb7t nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng khi x\u1eed l\u00fd PET t\u00e1i ch\u1ebf, polypropylene ho\u1eb7c c\u00e1c v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t kh\u00e1c \u0111\u1ec3 t\u00ednh \u0111\u1ebfn \u0111\u1ed9 nh\u1ea1y nhi\u1ec7t v\u00e0 ph\u1ea1m vi x\u1eed l\u00fd kh\u00e1c nhau c\u1ee7a ch\u00fang.<\/p>\n

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\u267b\ufe0f<\/span><\/p>\n

C\u00e0i \u0111\u1eb7t nhi\u1ec7t \u0111\u1ed9 \u0111\u00e3 \u0111i\u1ec1u ch\u1ec9nh cho qu\u00e1 tr\u00ecnh x\u1eed l\u00fd rPET<\/h3>\n

PET t\u00e1i ch\u1ebf sau ti\u00eau d\u00f9ng c\u00f3 \u0111\u1ed9 nh\u1edbt n\u1ed9i t\u1ea1i th\u1ea5p h\u01a1n v\u00e0 bi\u1ebfn thi\u00ean nhi\u1ec1u h\u01a1n so v\u1edbi nh\u1ef1a nguy\u00ean sinh, do \u0111\u00f3 nh\u1ea1y c\u1ea3m h\u01a1n v\u1edbi nhi\u1ec7t. Nhi\u1ec7t \u0111\u1ed9 th\u00f9ng v\u00e0 h\u1ec7 th\u1ed1ng d\u1eabn nhi\u1ec7t l\u00fd t\u01b0\u1edfng cho rPET n\u00ean gi\u1ea3m kho\u1ea3ng 5 \u0111\u1ebfn 10 \u0111\u1ed9 C so v\u1edbi PET nguy\u00ean sinh, th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng 265 \u0111\u1ebfn 280 \u0111\u1ed9 C. Vi\u1ec7c gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 n\u00e0y gi\u00fap gi\u1ea3m thi\u1ec3u s\u1ef1 ph\u00e2n h\u1ee7y nhi\u1ec7t c\u1ee7a c\u00e1c chu\u1ed7i polymer \u0111\u00e3 b\u1ecb r\u00fat ng\u1eafn. T\u1ed1c \u0111\u1ed9 quay c\u1ee7a tr\u1ee5c v\u00edt c\u0169ng n\u00ean \u0111\u01b0\u1ee3c gi\u1ea3m \u0111\u1ec3 gi\u1ea3m thi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng gia nhi\u1ec7t do ma s\u00e1t. Nhi\u1ec7t \u0111\u1ed9 l\u00e0m m\u00e1t khu\u00f4n \u00e9p phun v\u1eabn gi\u1eef nguy\u00ean \u1edf m\u1ee9c 6 \u0111\u1ebfn 10 \u0111\u1ed9 C, v\u00ec rPET c\u1ea7n l\u00e0m ngu\u1ed9i nhanh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 k\u1ebft tinh nhi\u1ec7t. Nhi\u1ec7t \u0111\u1ed9 n\u1ed3i \u0111i\u1ec1u ch\u1ec9nh cho rPET c\u00f3 th\u1ec3 c\u1ea7n t\u0103ng th\u00eam 5 \u0111\u1ebfn 10 \u0111\u1ed9 C so v\u1edbi PET nguy\u00ean sinh, th\u01b0\u1eddng l\u00ean \u0111\u1ebfn kho\u1ea3ng 100 \u0111\u1ebfn 115 \u0111\u1ed9 C. rPET c\u00f3 ch\u1ec9 s\u1ed1 IV th\u1ea5p h\u01a1n c\u1ea7n nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n m\u1ed9t ch\u00fat \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00f9ng \u0111\u1ed9 linh \u0111\u1ed9ng c\u1ee7a chu\u1ed7i polymer khi k\u00e9o gi\u00e3n. Tuy nhi\u00ean, nhi\u1ec7t \u0111\u1ed9 \u0111i\u1ec1u ch\u1ec9nh cao h\u01a1n n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c c\u00e2n b\u1eb1ng c\u1ea9n th\u1eadn v\u1edbi nguy c\u01a1 k\u1ebft tinh nhi\u1ec7t t\u0103ng l\u00ean. Kho\u1ea3ng nhi\u1ec7t \u0111\u1ed9 x\u1eed l\u00fd thu h\u1eb9p l\u1ea1i khi h\u00e0m l\u01b0\u1ee3ng rPT cao h\u01a1n. H\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n phun b\u1eb1ng servo c\u1ee7a...<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

ISBM Thermal Process Optimization What Are the Ideal Temperature Settings for PET During ISBM? A definitive thermal engineering guide specifying the optimal temperature setpoints across every zone of the injection stretch blow molding process, from barrel and hot runner through conditioning and mold cooling, for flawless PET container production. Temperature as the Master Process Variable […]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-788","post","type-post","status-publish","format-standard","hentry","category-product-catalog"],"_links":{"self":[{"href":"https:\/\/isbmmolding.com\/vi\/wp-json\/wp\/v2\/posts\/788","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/isbmmolding.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/isbmmolding.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/isbmmolding.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/isbmmolding.com\/vi\/wp-json\/wp\/v2\/comments?post=788"}],"version-history":[{"count":1,"href":"https:\/\/isbmmolding.com\/vi\/wp-json\/wp\/v2\/posts\/788\/revisions"}],"predecessor-version":[{"id":789,"href":"https:\/\/isbmmolding.com\/vi\/wp-json\/wp\/v2\/posts\/788\/revisions\/789"}],"wp:attachment":[{"href":"https:\/\/isbmmolding.com\/vi\/wp-json\/wp\/v2\/media?parent=788"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/isbmmolding.com\/vi\/wp-json\/wp\/v2\/categories?post=788"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/isbmmolding.com\/vi\/wp-json\/wp\/v2\/tags?post=788"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}