{"id":13191,"date":"2026-04-14T09:54:47","date_gmt":"2026-04-14T09:54:47","guid":{"rendered":"https:\/\/fill-package.com\/?p=13191"},"modified":"2026-04-14T10:04:15","modified_gmt":"2026-04-14T10:04:15","slug":"how-to-design-a-vffs-forming-shoulder-key-considerations-for-engineers","status":"publish","type":"post","link":"https:\/\/fill-package.com\/vi\/how-to-design-a-vffs-forming-shoulder-key-considerations-for-engineers\/","title":{"rendered":"C\u00e1ch thi\u1ebft k\u1ebf vai t\u1ea1o h\u00ecnh cho m\u00e1y \u0111\u00f3ng g\u00f3i \u0111\u1ee9ng FFS: Nh\u1eefng c\u00e2n nh\u1eafc ch\u00ednh cho k\u1ef9 s\u01b0"},"content":{"rendered":"<h2><strong><b>Gi\u1edbi thi\u1ec7u<\/b><\/strong><\/h2>\n<p>M\u1ed9t vai t\u1ea1o h\u00ecnh VFFS tr\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ed9t mi\u1ebfng th\u00e9p kh\u00f4ng g\u1ec9 cong \u0111\u01a1n gi\u1ea3n. Tr\u00ean th\u1ef1c t\u1ebf, n\u00f3 l\u00e0 m\u1ed9t b\u00e0i to\u00e1n h\u00ecnh h\u1ecdc ch\u00ednh x\u00e1c \u2014 v\u00e0 l\u00e0m sai n\u00f3 c\u00f3 ngh\u0129a l\u00e0 th\u01b0\u1eddng xuy\u00ean b\u1ecb r\u00e1ch m\u00e0ng, n\u1ebfp nh\u0103n \u1edf m\u1ed1i h\u00e0n l\u01b0ng v\u00e0 d\u1eebng d\u00e2y chuy\u1ec1n kh\u00f4ng mong mu\u1ed1n, t\u1ed1n k\u00e9m trong vi\u1ec7c ch\u1ea9n \u0111o\u00e1n v\u00e0 ch\u1eadm kh\u1eafc ph\u1ee5c.<\/p>\n<p>B\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c quy\u1ebft \u0111\u1ecbnh k\u1ef9 thu\u1eadt \u0111\u1ec3 m\u00e1y t\u1ea1o h\u00ecnh vai c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru trong hai n\u0103m ho\u1eb7c g\u00e2y ra nh\u1eefng phi\u1ec1n ph\u1ee9c h\u00e0ng ng\u00e0y. N\u1ebfu b\u1ea1n \u0111ang thi\u1ebft k\u1ebf m\u1ed9t m\u00e1y VFFS m\u1edbi, ch\u1ec9 \u0111\u1ecbnh m\u1ed9t b\u1ed9 ph\u1eadn thay th\u1ebf, ho\u1eb7c \u0111\u00e1nh gi\u00e1 nh\u00e0 cung c\u1ea5p, \u0111\u00e2y l\u00e0 khu\u00f4n kh\u1ed5 \u0111\u1ec3 b\u1ea1n s\u1eed d\u1ee5ng.<\/p>\n<p>M\u1edbi l\u00e0m quen v\u1edbi vi\u1ec7c t\u1ea1o b\u1ed9 s\u01b0u t\u1eadp? B\u1eaft \u0111\u1ea7u v\u1edbi b\u00e0i gi\u1edbi thi\u1ec7u t\u1ed5ng quan c\u1ee7a ch\u00fang t\u00f4i: <a href=\"https:\/\/fill-package.com\/vi\/blog-what-is-vffs-bag-forming-set\/\"><u>B\u1ed9 t\u1ea1o t\u00fai VFFS l\u00e0 g\u00ec v\u00e0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3?<\/u><\/a><\/p>\n<p><img decoding=\"async\" class=\"alignnone  wp-image-13196 lazyload\" data-src=\"https:\/\/fill-package.com\/wp-content\/uploads\/2026\/04\/VFFS-forming-shoulder-1.webp\" alt=\"VFFS forming shoulder\" width=\"396\" height=\"594\" data-srcset=\"https:\/\/fill-package.com\/wp-content\/uploads\/2026\/04\/VFFS-forming-shoulder-1.webp 1024w, https:\/\/fill-package.com\/wp-content\/uploads\/2026\/04\/VFFS-forming-shoulder-1-768x1152.webp 768w, https:\/\/fill-package.com\/wp-content\/uploads\/2026\/04\/VFFS-forming-shoulder-1-8x12.webp 8w\" data-sizes=\"(max-width: 396px) 100vw, 396px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 396px; --smush-placeholder-aspect-ratio: 396\/594;\" \/><\/p>\n<h2><strong><b>1. H\u00ecnh h\u1ecdc c\u1ed1t l\u00f5i: Chi\u1ec1u r\u1ed9ng phim so v\u1edbi chi\u1ec1u r\u1ed9ng t\u00fai<\/b><\/strong><\/h2>\n<p>Tham s\u1ed1 c\u01a1 b\u1ea3n nh\u1ea5t l\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa chi\u1ec1u r\u1ed9ng m\u00e0ng v\u00e0 chi\u1ec1u r\u1ed9ng t\u00fai \u0111\u00edch. \u0110\u1ed1i v\u1edbi t\u00fai pillow c\u00f3 v\u1ea3y ti\u00eau chu\u1ea9n:<\/p>\n<p><strong><b>Chi\u1ec1u r\u1ed9ng m\u00e0ng phim = 2 \u00d7 chi\u1ec1u r\u1ed9ng t\u00fai + bi\u00ean \u0111\u01b0\u1eddng may (th\u01b0\u1eddng l\u00e0 10\u201320mm)<\/b><\/strong><\/p>\n<p>Vai t\u1ea1o h\u00ecnh ph\u1ea3i u\u1ed1n cong m\u00e0ng ph\u1eb3ng th\u00e0nh m\u1ed9t \u1ed1ng c\u00f3 chu vi ch\u00ednh x\u00e1c. Qu\u00e1 r\u1ed9ng: m\u00e0ng b\u1ecb ch\u00f9ng v\u00e0 nh\u0103n. Qu\u00e1 h\u1eb9p: t\u1ea1o ra s\u1ee9c c\u0103ng d\u1eabn \u0111\u1ebfn k\u00e9o gi\u00e3n ho\u1eb7c r\u00e1ch \u2013 \u0111\u1eb7c bi\u1ec7t v\u1edbi m\u00e0ng PE m\u1ecfng ho\u1eb7c m\u00e0ng kim lo\u1ea1i h\u00f3a.<\/p>\n<p>G\u00f3c vai \u2014 \u0111\u1ed9 d\u1ed1c c\u1ee7a \u0111\u01b0\u1eddng cong khi phim chuy\u1ec3n t\u1eeb ph\u1eb3ng sang bao quanh \u2014 l\u00e0 bi\u1ebfn s\u1ed1 quan tr\u1ecdng nh\u1ea5t. Vai qu\u00e1 \u0111\u1ed9t ng\u1ed9t t\u1ea1o ra m\u1ed9t ch\u1ed7 u\u1ed1n cong s\u1eafc n\u00e9t v\u1edbi \u1ee9ng su\u1ea5t c\u1ee5c b\u1ed9 cao. Qu\u00e1 t\u1eeb t\u1ed1n, phim s\u1ebd m\u1ea5t ph\u01b0\u01a1ng h\u01b0\u1edbng tr\u01b0\u1edbc khi ch\u1ea1m v\u00e0o \u1ed1ng.<\/p>\n<p><strong><b>D\u00f9ng kinh nghi\u1ec7m \u0111\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng <\/b><\/strong>M\u00e0ng c\u00e0ng m\u1ecfng, c\u00e0ng c\u1ee9ng th\u00ec g\u00f3c vai c\u00e0ng ph\u1ea3i nh\u1ecf.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2><strong><b>2. Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t v\u00e0 ki\u1ec3m so\u00e1t ma s\u00e1t<\/b><\/strong><\/h2>\n<p>S\u1ef1 c\u0103ng c\u1ee7a phim trong qu\u00e1 tr\u00ecnh t\u1ea1o vai l\u00e0 m\u1ed9t ch\u1ee9c n\u0103ng tr\u1ef1c ti\u1ebfp c\u1ee7a ma s\u00e1t. C\u00f3 ba ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c m\u00e0 m\u1ecdi nh\u00e0 thi\u1ebft k\u1ebf ph\u1ea3i t\u00ednh \u0111\u1ebfn:<\/p>\n<ul>\n<li>L\u1ef1c ma s\u00e1t t\u0129nh cao tr\u00ean b\u1ec1 m\u1eb7t ngo\u00e0i: g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng d\u00ednh-tr\u01b0\u1ee3t m\u00e0ng, ph\u1ed5 bi\u1ebfn v\u1edbi c\u00e1c m\u00e0ng OPP m\u1ecfng ho\u1eb7c m\u00e0ng PE trong su\u1ed1t trong m\u00f4i tr\u01b0\u1eddng c\u00f3 \u0111\u1ed9 \u1ea9m th\u1ea5p.<\/li>\n<li>S\u1ef1 t\u00edch t\u1ee5 v\u1eadt li\u1ec7u tr\u00ean b\u1ec1 m\u1eb7t b\u00ean trong: b\u1ed9t m\u1ecbn b\u00e1m v\u00e0o b\u00ean trong \u1ed1ng t\u1ea1o h\u00ecnh, t\u1ea1o ra b\u1ec1 m\u1eb7t kh\u00f4ng b\u1eb1ng ph\u1eb3ng l\u00e0m c\u1ea3n tr\u1edf d\u00f2ng ch\u1ea3y m\u00e0ng.<\/li>\n<li>M\u00e0i m\u00f2n \u1edf c\u1ea1nh d\u1eabn c\u1ee7a vai: \u0111i\u1ec3m m\u00e0 m\u00e0ng phim ti\u1ebfp x\u00fac \u0111\u1ea7u ti\u00ean v\u1edbi vai m\u00f2n nhanh nh\u1ea5t. M\u1ed9t c\u1ea1nh th\u00f4 ho\u1eb7c s\u1eafc \u1edf \u0111\u00e2y l\u00e0m x\u01b0\u1edbc b\u1ec1 m\u1eb7t phim, d\u1eabn \u0111\u1ebfn bong tr\u00f3c \u0111\u01b0\u1eddng h\u00e0n ho\u1eb7c l\u1ed7i \u0111\u0103ng k\u00fd in.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>X\u01b0\u1edfng c\u1ee7a ch\u00fang t\u00f4i gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng ba c\u1ea5p \u0111\u1ed9 x\u1eed l\u00fd Teflon \u2014 x\u1ecbt ngo\u00e0i \u0111\u1ec3 gi\u1ea3m ma s\u00e1t m\u00e0ng, x\u1ecbt trong \u0111\u1ec3 b\u00e1m b\u1ed9t v\u00e0 x\u1eed l\u00fd to\u00e0n b\u1ed9 \u0111\u1ec3 x\u1eed l\u00fd c\u1ea3 hai. Ch\u00fang t\u00f4i c\u0169ng cung c\u1ea5p th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u00e1nh b\u00f3ng g\u01b0\u01a1ng (Ra \u2264 0,4 \u03bcm) l\u00e0m ti\u00eau chu\u1ea9n, v\u1edbi b\u1ec1 m\u1eb7t phun c\u00e1t khi c\u1ea7n ki\u1ec3m so\u00e1t \u0111\u1ed9 b\u00e1m \u0111\u1ec3 ng\u0103n m\u00e0ng b\u1ecb tr\u00f4i.<\/p>\n<h2><strong><b>3. L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u<\/b><\/strong><\/h2>\n<p>Th\u00e9p kh\u00f4ng g\u1ec9 lo\u1ea1i 304 d\u00f9ng cho th\u1ef1c ph\u1ea9m l\u00e0 ti\u00eau chu\u1ea9n c\u01a1 b\u1ea3n. C\u00e1c l\u00fd do ch\u00ednh:<\/p>\n<ul>\n<li>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi cho m\u00f4i tr\u01b0\u1eddng r\u1eeda tr\u00f4i<\/li>\n<li>B\u1ec1 m\u1eb7t nh\u1eb5n, c\u00f3 th\u1ec3 ho\u00e0n thi\u1ec7n cho ma s\u00e1t th\u1ea5p<\/li>\n<li>\u0110\u1ed9 b\u1ec1n m\u1ecfi \u0111\u1ea7y \u0111\u1ee7 cho chu k\u1ef3 u\u1ed1n l\u1eb7p \u0111i l\u1eb7p l\u1ea1i trong c\u00e1c b\u1ed9 t\u1ea1o ki\u1ec3u d\u1ea1ng th\u00e2n<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"alignnone wp-image-13193 lazyload\" data-src=\"https:\/\/fill-package.com\/wp-content\/uploads\/2026\/04\/VFFS-Bag-Forming-Set-1-1.webp\" alt=\"VFFS Bag Forming Set\" width=\"394\" height=\"591\" data-srcset=\"https:\/\/fill-package.com\/wp-content\/uploads\/2026\/04\/VFFS-Bag-Forming-Set-1-1.webp 1024w, https:\/\/fill-package.com\/wp-content\/uploads\/2026\/04\/VFFS-Bag-Forming-Set-1-1-768x1152.webp 768w, https:\/\/fill-package.com\/wp-content\/uploads\/2026\/04\/VFFS-Bag-Forming-Set-1-1-8x12.webp 8w\" data-sizes=\"(max-width: 394px) 100vw, 394px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 394px; --smush-placeholder-aspect-ratio: 394\/591;\" \/><\/p>\n<p>Th\u00e9p kh\u00f4ng g\u1ec9 316L \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh cho m\u00f4i tr\u01b0\u1eddng c\u00f3 h\u00e0m l\u01b0\u1ee3ng chloride cao (mu\u1ed1i, h\u1ea3i s\u1ea3n) ho\u1eb7c y\u00eau c\u1ea7u \u0111\u1ed9 s\u1ea1ch c\u1ea5p d\u01b0\u1ee3c ph\u1ea9m.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u0111\u01b0\u1eddng t\u1ed1c \u0111\u1ed9 cao tr\u00ean 200 t\u00fai\/ph\u00fat, n\u01a1i \u1ed1ng t\u1ea1o h\u00ecnh tr\u1ea3i qua rung \u0111\u1ed9ng li\u00ean t\u1ee5c, ch\u00fang t\u00f4i s\u1eed d\u1ee5ng h\u1ee3p kim th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u2014 \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft k\u1ebf d\u1ea1ng \u1ed1ng m\u1ec1m.<\/p>\n<h2><strong><b>4. C\u00e1c Kh\u00eda C\u1ea1nh Ch\u00ednh C\u1ea7n Ch\u1ec9 \u0110\u1ecbnh<\/b><\/strong><\/h2>\n<table>\n<tbody>\n<tr>\n<td width=\"146\"><strong><b>Tham s\u1ed1<\/b><\/strong><\/td>\n<td width=\"240\"><strong><b>\u0110i\u1ec1u G\u00ec X\u00e1c \u0110\u1ecbnh N\u00f3<\/b><\/strong><\/td>\n<td width=\"237\"><strong><b>Ph\u1ea1m vi \u0111i\u1ec3n h\u00ecnh<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"146\">Chi\u1ec1u r\u1ed9ng phim<\/td>\n<td width=\"240\">Chi\u1ec1u r\u1ed9ng cu\u1ed9n \u0111i v\u00e0o m\u00e1y<\/td>\n<td width=\"237\">35mm \u2013 800mm<\/td>\n<\/tr>\n<tr>\n<td width=\"146\">Chi\u1ec1u r\u1ed9ng t\u00fai<\/td>\n<td width=\"240\">Chi\u1ec1u r\u1ed9ng t\u00fai cu\u1ed1i c\u00f9ng sau khi h\u00e0n k\u00edn<\/td>\n<td width=\"237\">Xu\u1ea5t ph\u00e1t t\u1eeb chi\u1ec1u r\u1ed9ng phim v\u00e0 lo\u1ea1i \u0111\u01b0\u1eddng n\u1ed1i<\/td>\n<\/tr>\n<tr>\n<td width=\"146\">Phong c\u00e1ch t\u00fai<\/td>\n<td width=\"240\">G\u1ed1i, c\u00f3 m\u00e0ng, b\u1ed1n c\u1ea1nh h\u00e0n, \u0111\u00e1y ph\u1eb3ng, h\u00ecnh tam gi\u00e1c<\/td>\n<td width=\"237\">X\u00e1c \u0111\u1ecbnh ti\u1ebft di\u1ec7n ngang vai<\/td>\n<\/tr>\n<tr>\n<td width=\"146\">\u0110\u01b0\u1eddng k\u00ednh \u0111\u1ea7u ra \u1ed1ng<\/td>\n<td width=\"240\">Ph\u1ea3i kh\u1edbp v\u1edbi \u0111\u1ea7u phun c\u1ee7a m\u00e1y<\/td>\n<td width=\"237\">C\u1ee5 th\u1ec3 cho m\u00e1y<\/td>\n<\/tr>\n<tr>\n<td width=\"146\">Chi\u1ec1u cao ngang vai<\/td>\n<td width=\"240\">\u0110\u1ed9 s\u00e2u theo chi\u1ec1u d\u1ecdc c\u1ee7a c\u1ee5m vai<\/td>\n<td width=\"237\">G\u1eafn m\u00e1y-c\u1ee5 th\u1ec3<\/td>\n<\/tr>\n<tr>\n<td width=\"146\">Giao di\u1ec7n g\u1eafn k\u1ebft<\/td>\n<td width=\"240\">C\u00e1ch vai g\u1eafn v\u00e0o khung m\u00e1y<\/td>\n<td width=\"237\">D\u00e0nh ri\u00eang cho OEM; c\u1ea7n b\u1ea3n v\u1ebd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>Khi qu\u00fd kh\u00e1ch g\u1eedi cho ch\u00fang t\u00f4i m\u1eabu m\u00e1y v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt t\u00fai m\u1ee5c ti\u00eau, c\u00e1c k\u1ef9 s\u01b0 c\u1ee7a ch\u00fang t\u00f4i s\u1ebd t\u1ea1o ra m\u1ed9t b\u1ea3n v\u1ebd \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 qu\u00fd kh\u00e1ch x\u00e1c nh\u1eadn tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh gia c\u00f4ng. \u0110i\u1ec1u n\u00e0y lo\u1ea1i b\u1ecf nguy\u00ean nh\u00e2n sai s\u00f3t ph\u1ed5 bi\u1ebfn nh\u1ea5t trong c\u00e1c \u0111\u01a1n \u0111\u1eb7t h\u00e0ng vai \u0111\u1ecbnh h\u00ecnh t\u00f9y ch\u1ec9nh: s\u1ef1 kh\u00f4ng kh\u1edbp v\u1ec1 k\u00edch th\u01b0\u1edbc ch\u1ec9 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n sau khi giao h\u00e0ng.<\/p>\n<h2><strong><b>5. T\u00edch h\u1ee3p S\u1ee5c kh\u00ed Gas v\u00e0 H\u00fat b\u1ee5i<\/b><\/strong><\/h2>\n<p><strong><b>Kh\u00ed ni-t\u01a1 l\u00e0m s\u1ea1ch: <\/b><\/strong>\u0110\u1ed1i v\u1edbi bao b\u00ec kh\u00ed c\u1ea3i ti\u1ebfn (MAP) \u2014 c\u00e0 ph\u00ea, \u0111\u1ed3 \u0103n nh\u1eb9, s\u1ea3n ph\u1ea9m nh\u1ea1y c\u1ea3m v\u1edbi oxy. M\u1ed9t \u1ed1ng nh\u1ecf \u0111\u01b0\u1ee3c lu\u1ed3n b\u00ean trong \u1ed1ng \u0111\u1ecbnh h\u00ecnh \u0111\u1ec3 b\u01a1m nit\u01a1 tr\u01b0\u1edbc khi h\u00e0n k\u00edn. \u0110i\u1ec1u n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 v\u00e0 \u0111\u1ed9 d\u00e0y th\u00e0nh \u1ed1ng \u0111\u1ecbnh h\u00ecnh v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ngay t\u1eeb \u0111\u1ea7u.<\/p>\n<p>&nbsp;<\/p>\n<p><strong><b>C\u1ed5ng h\u00fat b\u1ee5i: <\/b><\/strong>For fine powders that generate airborne particles during filling, a suction port integrated into the shoulder assembly captures dust before it reaches the seal zone. Critical for pharmaceutical and nutraceutical applications where seal integrity is a compliance requirement.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong><b>6. Validation and Run-In Protocol<\/b><\/strong><\/h2>\n<p>Every forming shoulder we manufacture goes through a dimensional inspection against the confirmed drawing, followed by a surface roughness check on all film-contact faces. Flexible trunk-style formers are fatigue-tested before shipment.<\/p>\n<p>We recommend a run-in protocol for new forming shoulders: operate at 50% speed for the first 500 cycles to allow micro-surface settling before full production speed.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong><b>What happens when a forming shoulder ages? <\/b><\/strong>A well-designed shoulder runs cleanly \u2014 but every forming shoulder degrades over time. Knowing the warning signs before failure is expensive is the practical follow-on to this design guide. Read: <a href=\"https:\/\/fill-package.com\/vi\/blog\/when-to-replace-vffs-bag-former\/\"><u>5 Signs It&#8217;s Time to Replace Your VFFS Bag Former<\/u><\/a>. Or, if you have a specification ready, visit our <a href=\"https:\/\/fill-package.com\/vi\/tui-vffs-truoc-day\/\"><u>VFFS Bag Former page<\/u><\/a>\u00a0and send us your machine model and film width \u2014 our engineers will review your drawings for free before production begins.<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction A VFFS forming shoulder looks like a simple curved piece of stainless steel. In practice, it is a precision geometry problem \u2014 and getting it wrong means constant film breaks, back-seal wrinkles, and unplanned line stops that are expensive to diagnose and slow to fix. This article covers the engineering decisions that determine whether [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-13191","post","type-post","status-publish","format-standard","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/fill-package.com\/vi\/wp-json\/wp\/v2\/posts\/13191","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fill-package.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fill-package.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fill-package.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fill-package.com\/vi\/wp-json\/wp\/v2\/comments?post=13191"}],"version-history":[{"count":2,"href":"https:\/\/fill-package.com\/vi\/wp-json\/wp\/v2\/posts\/13191\/revisions"}],"predecessor-version":[{"id":13197,"href":"https:\/\/fill-package.com\/vi\/wp-json\/wp\/v2\/posts\/13191\/revisions\/13197"}],"wp:attachment":[{"href":"https:\/\/fill-package.com\/vi\/wp-json\/wp\/v2\/media?parent=13191"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fill-package.com\/vi\/wp-json\/wp\/v2\/categories?post=13191"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fill-package.com\/vi\/wp-json\/wp\/v2\/tags?post=13191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}