{"id":856,"date":"2025-03-18T10:06:09","date_gmt":"2025-03-18T02:06:09","guid":{"rendered":"https:\/\/hengoseal.com\/?p=856"},"modified":"2025-03-18T10:06:09","modified_gmt":"2025-03-18T02:06:09","slug":"hydraulic-vs-pneumatic-seals","status":"publish","type":"post","link":"https:\/\/hengoseal.com\/vi\/hydraulic-vs-pneumatic-seals\/","title":{"rendered":"Ph\u1edbt th\u1ee7y l\u1ef1c so v\u1edbi ph\u1edbt kh\u00ed n\u00e9n: S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh v\u00e0 \u1ee9ng d\u1ee5ng"},"content":{"rendered":"

S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ph\u1edbt th\u1ee7y l\u1ef1c v\u00e0 ph\u1edbt kh\u00ed n\u00e9n l\u00e0 g\u00ec?<\/strong>
\nVi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p ni\u00eam phong ph\u00f9 h\u1ee3p l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng, \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u qu\u1ea3<\/strong>.
\nTrong khi c\u1ea3 ph\u1edbt th\u1ee7y l\u1ef1c v\u00e0 ph\u1edbt kh\u00ed n\u00e9n \u0111\u1ec1u ng\u0103n ch\u1eb7n r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00f4ng kh\u00ed, ch\u00fang c\u00f3 c\u00e1c ch\u1ee9c n\u0103ng kh\u00e1c nhau, m\u1ee9c \u00e1p su\u1ea5t v\u00e0 y\u00eau c\u1ea7u v\u1ec1 v\u1eadt li\u1ec7u<\/strong>.<\/p>\n

\ud83d\udd0d So s\u00e1nh nhanh:<\/strong>
\n\u2705 Ph\u1edbt th\u1ee7y l\u1ef1c<\/strong> \u2192 \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho h\u1ec7 th\u1ed1ng ch\u1ea5t l\u1ecfng \u00e1p su\u1ea5t cao<\/strong>, x\u1eed l\u00fd l\u00ean \u0111\u1ebfn 10.000 PSI<\/strong>.
\n\u2705 Ph\u1edbt kh\u00ed n\u00e9n<\/strong> \u2192 L\u00e0m vi\u1ec7c v\u1edbi h\u1ec7 th\u1ed1ng kh\u00ed\/kh\u00f4ng kh\u00ed \u00e1p su\u1ea5t th\u1ea5p<\/strong>, th\u01b0\u1eddng l\u00e0 d\u01b0\u1edbi 250 PSI<\/strong>.
\n\u2705 H\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00e1y m\u00f3c h\u1ea1ng n\u1eb7ng<\/strong>, trong khi h\u1ec7 th\u1ed1ng kh\u00ed n\u00e9n<\/strong> l\u00e0 ph\u1ed5 bi\u1ebfn trong t\u1ef1 \u0111\u1ed9ng h\u00f3a v\u00e0 robot<\/strong>.<\/p>\n

\ud83d\udce2 Trong h\u01b0\u1edbng d\u1eabn n\u00e0y, ch\u00fang t\u00f4i s\u1ebd so s\u00e1nh ph\u1edbt th\u1ee7y l\u1ef1c v\u00e0 ph\u1edbt kh\u00ed n\u00e9n, s\u1ef1 kh\u00e1c bi\u1ec7t c\u1ee7a ch\u00fang v\u00e0 \u1ee9ng d\u1ee5ng t\u1ed1t nh\u1ea5t cho t\u1eebng lo\u1ea1i.<\/strong><\/p>\n


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Ph\u1edbt th\u1ee7y l\u1ef1c v\u00e0 ph\u1edbt kh\u00ed n\u00e9n l\u00e0 g\u00ec?<\/strong><\/h2>\n

Tr\u01b0\u1edbc khi so s\u00e1nh ch\u00fang, h\u00e3y c\u00f9ng \u0111\u1ecbnh ngh\u0129a ch\u00fang vai tr\u00f2 trong h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng<\/strong>.<\/p>\n

\ud83d\udd39 Ph\u1edbt th\u1ee7y l\u1ef1c: \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho h\u1ec7 th\u1ed1ng ch\u1ea5t l\u1ecfng \u00e1p su\u1ea5t cao<\/strong><\/h3>\n

\u2705 \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong xi lanh th\u1ee7y l\u1ef1c \u0111\u1ec3 ng\u0103n ng\u1eeba r\u00f2 r\u1ec9 d\u1ea7u ho\u1eb7c ch\u1ea5t l\u1ecfng<\/strong>
\n\u2705 Ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi \u00e1p su\u1ea5t c\u1ef1c l\u1edbn (l\u00ean \u0111\u1ebfn 10.000 PSI ho\u1eb7c cao h\u01a1n)<\/strong>
\n\u2705 \u0110\u01b0\u1ee3c l\u00e0m t\u1eeb v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 b\u1ec1n cao nh\u01b0 PTFE, FKM (Viton) v\u00e0 NBR<\/strong>
\n\u2705 Ph\u1ed5 bi\u1ebfn trong m\u00e1y m\u00f3c h\u1ea1ng n\u1eb7ng, khai th\u00e1c m\u1ecf v\u00e0 th\u1ee7y l\u1ef1c c\u00f4ng nghi\u1ec7p<\/strong> <\/p>\n

\ud83d\udd39 Ph\u1edbt kh\u00ed n\u00e9n: \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho h\u1ec7 th\u1ed1ng kh\u00ed v\u00e0 kh\u00f4ng kh\u00ed \u00e1p su\u1ea5t th\u1ea5p<\/strong><\/h3>\n

\u2705 Ng\u0103n ng\u1eeba r\u00f2 r\u1ec9 kh\u00f4ng kh\u00ed trong xi lanh kh\u00ed n\u00e9n<\/strong>
\n\u2705 Ho\u1ea1t \u0111\u1ed9ng \u1edf \u00e1p su\u1ea5t th\u1ea5p h\u01a1n (th\u01b0\u1eddng d\u01b0\u1edbi 250 PSI)<\/strong>
\n\u2705 \u0110\u01b0\u1ee3c l\u00e0m t\u1eeb v\u1eadt li\u1ec7u m\u1ec1m d\u1ebbo nh\u01b0 polyurethane (TPU) v\u00e0 NBR<\/strong>
\n\u2705 \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p robot, t\u1ef1 \u0111\u1ed9ng h\u00f3a v\u00e0 \u0111\u00f3ng g\u00f3i<\/strong> <\/p>\n

\ud83d\udccc S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh:<\/strong> Ph\u1edbt th\u1ee7y l\u1ef1c x\u1eed l\u00fd ch\u1ea5t l\u1ecfng c\u00f3 \u00e1p su\u1ea5t cao, trong khi ph\u1edbt kh\u00ed n\u00e9n ho\u1ea1t \u0111\u1ed9ng trong h\u1ec7 th\u1ed1ng kh\u00ed c\u00f3 \u00e1p su\u1ea5t th\u1ea5p h\u01a1n.<\/strong><\/p>\n


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Ph\u1edbt th\u1ee7y l\u1ef1c so v\u1edbi ph\u1edbt kh\u00ed n\u00e9n: S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh<\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
T\u00ednh n\u0103ng<\/th>\nPh\u1edbt th\u1ee7y l\u1ef1c<\/th>\nPh\u1edbt kh\u00ed n\u00e9n<\/th>\n<\/tr>\n<\/thead>\n
M\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng<\/strong><\/td>\nCh\u1ea5t l\u1ecfng th\u1ee7y l\u1ef1c (D\u1ea7u, g\u1ed1c n\u01b0\u1edbc)<\/td>\nKh\u00ed n\u00e9n ho\u1eb7c kh\u00ed gas<\/td>\n<\/tr>\n
X\u1eed l\u00fd \u00e1p su\u1ea5t<\/strong><\/td>\nCao (L\u00ean \u0111\u1ebfn 10.000 PSI)<\/td>\nTh\u1ea5p (T\u1ed1i \u0111a 250 PSI)<\/td>\n<\/tr>\n
Th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u<\/strong><\/td>\nPTFE, NBR, FKM, Polyurethane<\/td>\nNBR, Silicon, TPU<\/td>\n<\/tr>\n
Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9<\/strong><\/td>\n-40\u00b0C \u0111\u1ebfn 200\u00b0C<\/td>\n-30\u00b0C \u0111\u1ebfn 100\u00b0C<\/td>\n<\/tr>\n
\u1ee8ng d\u1ee5ng<\/strong><\/td>\nM\u00e1y m\u00f3c h\u1ea1ng n\u1eb7ng, m\u00e1y \u00e9p th\u1ee7y l\u1ef1c, th\u1ee7y l\u1ef1c c\u00f4ng nghi\u1ec7p<\/td>\nRobot, t\u1ef1 \u0111\u1ed9ng h\u00f3a, xi lanh kh\u00ed n\u00e9n<\/td>\n<\/tr>\n
M\u1ee9c \u0111\u1ed9 ma s\u00e1t<\/strong><\/td>\nCao h\u01a1n do \u0111\u1ed9 nh\u1edbt c\u1ee7a ch\u1ea5t l\u1ecfng<\/td>\nTh\u1ea5p h\u01a1n do n\u00e9n kh\u00ed<\/td>\n<\/tr>\n
S\u1ef1 ph\u1ee9c t\u1ea1p trong thi\u1ebft k\u1ebf con d\u1ea5u<\/strong><\/td>\nPh\u1ee9c t\u1ea1p h\u01a1n (nhi\u1ec1u l\u1edbp ni\u00eam phong)<\/td>\nThi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n h\u01a1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\ud83d\udce2 Ph\u1ea7n k\u1ebft lu\u1eadn:<\/strong> N\u1ebfu h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi \u00e1p su\u1ea5t cao v\u1edbi ch\u1ea5t l\u1ecfng th\u1ee7y l\u1ef1c d\u1ea1ng l\u1ecfng<\/strong>, ch\u1ecdn ph\u1edbt th\u1ee7y l\u1ef1c<\/strong>. N\u1ebfu h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng v\u1edbi kh\u00f4ng kh\u00ed ho\u1eb7c kh\u00ed d\u01b0\u1edbi \u00e1p su\u1ea5t th\u1ea5p<\/strong>, s\u1eed d\u1ee5ng ph\u1edbt kh\u00ed n\u00e9n<\/strong>.<\/p>\n


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Khi n\u00e0o b\u1ea1n n\u00ean s\u1eed d\u1ee5ng ph\u1edbt th\u1ee7y l\u1ef1c?<\/strong><\/h2>\n

\u2705 \u1ee8ng d\u1ee5ng t\u1ed1t nh\u1ea5t cho ph\u1edbt th\u1ee7y l\u1ef1c<\/strong><\/h3>\n