{"id":844,"date":"2025-03-17T11:55:05","date_gmt":"2025-03-17T03:55:05","guid":{"rendered":"https:\/\/hengoseal.com\/?p=844"},"modified":"2025-03-17T11:55:05","modified_gmt":"2025-03-17T03:55:05","slug":"hydraulic-seals-for-excavators","status":"publish","type":"post","link":"https:\/\/hengoseal.com\/vi\/hydraulic-seals-for-excavators\/","title":{"rendered":"Ph\u1edbt th\u1ee7y l\u1ef1c cho m\u00e1y x\u00fac: Nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft"},"content":{"rendered":"
B\u1ea1n c\u00f3 \u0111ang tr\u1ea3i nghi\u1ec7m r\u00f2 r\u1ec9, m\u1ea5t \u00e1p su\u1ea5t ho\u1eb7c hi\u1ec7u su\u1ea5t ch\u1eadm<\/strong> trong h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c c\u1ee7a m\u00e1y x\u00fac c\u1ee7a b\u1ea1n? Ph\u1edbt th\u1ee7y l\u1ef1c l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng ng\u0103n ng\u1eeba r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng, duy tr\u00ec \u00e1p su\u1ea5t h\u1ec7 th\u1ed1ng v\u00e0 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru<\/strong>. L\u1ef1a ch\u1ecdn \u0111\u00fang lo\u1ea1i v\u00e0 v\u1eadt li\u1ec7u ph\u1edbt<\/strong> C\u00f3 th\u1ec3 gi\u1ea3m th\u1eddi gian ch\u1ebft, gi\u1ea3m thi\u1ec3u chi ph\u00ed s\u1eeda ch\u1eefa v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a m\u00e1y<\/strong>.<\/p>\nT\u1ea1i sao ph\u1edbt th\u1ee7y l\u1ef1c l\u1ea1i c\u1ea7n thi\u1ebft cho m\u00e1y x\u00fac?<\/h2>\n
M\u00e1y \u0111\u00e0o ph\u1ee5 thu\u1ed9c v\u00e0o xi lanh th\u1ee7y l\u1ef1c<\/strong> \u0111\u1ec3 n\u00e2ng, \u0111\u00e0o v\u00e0 di chuy\u1ec3n c\u00e1c v\u1eadt n\u1eb7ng. Ph\u1edbt th\u1ee7y l\u1ef1c:<\/p>\n\n- Ng\u0103n ng\u1eeba r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng<\/strong> \u0111\u1ec3 duy tr\u00ec \u00e1p su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3.<\/li>\n
- B\u1ea3o v\u1ec7 xi lanh kh\u1ecfi b\u1ee5i, m\u1ea3nh v\u1ee5n v\u00e0 \u00f4 nhi\u1ec5m n\u01b0\u1edbc<\/strong>.<\/li>\n
- Gi\u1ea3m m\u00e0i m\u00f2n v\u00e0 ma s\u00e1t<\/strong>, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a linh ki\u1ec7n.<\/li>\n
- \u0110\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t nh\u1ea5t qu\u00e1n<\/strong>, ng\u0103n ng\u1eeba th\u1eddi gian ch\u1ebft ngo\u00e0i \u00fd mu\u1ed1n.<\/li>\n<\/ul>\n
C\u00e1c lo\u1ea1i ph\u1edbt th\u1ee7y l\u1ef1c ch\u00ednh cho m\u00e1y x\u00fac l\u00e0 g\u00ec?<\/h2>\n
M\u1ed7i lo\u1ea1i ph\u1edbt \u0111\u00f3ng vai tr\u00f2 kh\u00e1c nhau trong h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c. Sau \u0111\u00e2y l\u00e0 nh\u1eefng lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t:<\/p>\n
1. Ph\u1edbt piston<\/strong><\/h3>\n\n- Ch\u1ee9c n\u0103ng:<\/strong> Ng\u0103n ch\u1eb7n ch\u1ea5t l\u1ecfng th\u1ee7y l\u1ef1c tho\u00e1t ra ngo\u00e0i piston.<\/li>\n
- V\u1eadt li\u1ec7u th\u00f4ng d\u1ee5ng:<\/strong> Polyurethane (TPU), PTFE, NBR.<\/li>\n
- T\u1ed1t nh\u1ea5t cho:<\/strong> \u1ee8ng d\u1ee5ng \u00e1p su\u1ea5t cao trong m\u00e1y \u0111\u00e0o h\u1ea1ng n\u1eb7ng.<\/li>\n<\/ul>\n
2. Ph\u1edbt thanh<\/strong><\/h3>\n\n- Ch\u1ee9c n\u0103ng:<\/strong> Ng\u0103n ch\u1eb7n ch\u1ea5t l\u1ecfng th\u1ee7y l\u1ef1c r\u00f2 r\u1ec9 qua thanh xi lanh.<\/li>\n
- V\u1eadt li\u1ec7u th\u00f4ng d\u1ee5ng:<\/strong> NBR, FKM, TPU.<\/li>\n
- T\u1ed1t nh\u1ea5t cho:<\/strong> M\u00e1y x\u00fac ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 ch\u1ea5t l\u1ecfng c\u00f3 t\u00ednh \u0103n m\u00f2n<\/strong>.<\/li>\n<\/ul>\n
3. Ph\u1edbt g\u1ea1t n\u01b0\u1edbc (Ph\u1edbt g\u1ea1t n\u01b0\u1edbc)<\/strong><\/h3>\n\n- Ch\u1ee9c n\u0103ng:<\/strong> Lo\u1ea1i b\u1ecf b\u1ee5i b\u1ea9n v\u00e0 \u0111\u1ed9 \u1ea9m kh\u1ecfi thanh piston.<\/li>\n
- V\u1eadt li\u1ec7u th\u00f4ng d\u1ee5ng:<\/strong> TPU, NBR.<\/li>\n
- T\u1ed1t nh\u1ea5t cho:<\/strong> M\u00e1y x\u00fac \u0111ang l\u00e0m vi\u1ec7c trong m\u00f4i tr\u01b0\u1eddng l\u1ea7y l\u1ed9i ho\u1eb7c b\u1ee5i b\u1eb7m<\/strong>.<\/li>\n<\/ul>\n
4. \u0110eo Nh\u1eabn (V\u00f2ng d\u1eabn h\u01b0\u1edbng)<\/strong><\/h3>\n\n- Ch\u1ee9c n\u0103ng:<\/strong> Cung c\u1ea5p h\u1ed7 tr\u1ee3 b\u00ean h\u00f4ng \u0111\u1ec3 ng\u0103n ng\u1eeba ti\u1ebfp x\u00fac kim lo\u1ea1i v\u1edbi kim lo\u1ea1i.<\/li>\n
- V\u1eadt li\u1ec7u th\u00f4ng d\u1ee5ng:<\/strong> PTFE, POM, nh\u1ef1a Phenolic.<\/li>\n
- T\u1ed1t nh\u1ea5t cho:<\/strong> \u1ee8ng d\u1ee5ng m\u00e1y \u0111\u00e0o t\u1ea3i tr\u1ecdng cao<\/strong> \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c.<\/li>\n<\/ul>\n
5. V\u00f2ng ch\u1eef O & V\u00f2ng \u0111\u1ec7m d\u1ef1 ph\u00f2ng<\/strong><\/h3>\n\n- Ch\u1ee9c n\u0103ng:<\/strong> Cung c\u1ea5p h\u1ed7 tr\u1ee3 b\u1ecbt k\u00edn th\u1ee9 c\u1ea5p.<\/li>\n
- V\u1eadt li\u1ec7u th\u00f4ng d\u1ee5ng:<\/strong> NBR, FKM, PTFE.<\/li>\n
- T\u1ed1t nh\u1ea5t cho:<\/strong> \u1ee8ng d\u1ee5ng ni\u00eam phong t\u0129nh<\/strong> b\u00ean trong xi lanh th\u1ee7y l\u1ef1c.<\/li>\n<\/ul>\n
V\u1eadt li\u1ec7u t\u1ed1t nh\u1ea5t cho ph\u1edbt th\u1ee7y l\u1ef1c m\u00e1y x\u00fac<\/h2>\n
B\u00ean ph\u1ea3i v\u1eadt li\u1ec7u ni\u00eam phong<\/strong> x\u00e1c \u0111\u1ecbnh hi\u1ec7u su\u1ea5t, \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t<\/strong>:<\/p>\n\n\n\nV\u1eadt li\u1ec7u<\/th>\n | Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9<\/th>\n | T\u1ed1t nh\u1ea5t cho<\/th>\n | \u01afu \u0111i\u1ec3m ch\u00ednh<\/th>\n<\/tr>\n<\/thead>\n |
\n\nPolyurethane (TPU)<\/strong><\/td>\n-40\u00b0C \u0111\u1ebfn 100\u00b0C<\/td>\n | Ph\u1edbt thanh v\u00e0 g\u1ea1t n\u01b0\u1edbc<\/td>\n | Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao, linh ho\u1ea1t<\/td>\n<\/tr>\n | \nCao su Nitrile (NBR)<\/strong><\/td>\n-30\u00b0C \u0111\u1ebfn 110\u00b0C<\/td>\n | Con d\u1ea5u m\u1ee5c \u0111\u00edch chung<\/td>\n | Ch\u1ed1ng d\u1ea7u, ti\u1ebft ki\u1ec7m chi ph\u00ed<\/td>\n<\/tr>\n | \nFluorocarbon (FKM\/Viton)<\/strong><\/td>\n-20\u00b0C \u0111\u1ebfn 200\u00b0C<\/td>\n | \u1ee8ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao<\/td>\n | Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 h\u00f3a ch\u1ea5t<\/td>\n<\/tr>\n | \nPolytetrafluoroetylen (PTFE)<\/strong><\/td>\n-200\u00b0C \u0111\u1ebfn 260\u00b0C<\/td>\n | Ph\u1edbt piston v\u00e0 thanh truy\u1ec1n<\/td>\n | Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 h\u00f3a ch\u1ea5t c\u1ef1c cao<\/td>\n<\/tr>\n | \nPOM (Nh\u1ef1a Acetal)<\/strong><\/td>\n-40\u00b0C \u0111\u1ebfn 120\u00b0C<\/td>\n | \u0110eo nh\u1eabn<\/td>\n | \u0110\u1ed9 b\u1ec1n cao, ma s\u00e1t th\u1ea5p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u2705 S\u1ef1 gi\u1edbi thi\u1ec7u:<\/strong> Ph\u1edbt Polyurethane & PTFE<\/strong> cung c\u1ea5p s\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1t nh\u1ea5t \u0111\u1ed9 b\u1ec1n, t\u00ednh linh ho\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t<\/strong> cho c\u00e1c \u1ee9ng d\u1ee5ng m\u00e1y \u0111\u00e0o.<\/p>\nL\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111o ph\u1edbt th\u1ee7y l\u1ef1c cho m\u00e1y x\u00fac?<\/h2>\nL\u1ef1a ch\u1ecdn \u0111\u00fang \u0111\u1eafn k\u00edch th\u01b0\u1edbc con d\u1ea5u<\/strong> r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ng\u0103n ng\u1eeba r\u00f2 r\u1ec9. Th\u1ef1c hi\u1ec7n theo c\u00e1c b\u01b0\u1edbc sau \u0111\u1ec3 \u0111o ch\u00ednh x\u00e1c:<\/p>\n\n- \u0110o \u0111\u01b0\u1eddng k\u00ednh b\u00ean trong (ID):<\/strong> S\u1eed d\u1ee5ng th\u01b0\u1edbc c\u1eb7p \u0111\u1ec3 \u0111o k\u00edch th\u01b0\u1edbc l\u1ed7 b\u00ean trong.<\/li>\n
- \u0110o \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i (OD):<\/strong> \u0110o m\u00e9p ngo\u00e0i c\u1ee7a mi\u1ebfng ni\u00eam phong.<\/li>\n
- \u0110o m\u1eb7t c\u1eaft ngang (CS):<\/strong> \u0110\u00e2y l\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a con d\u1ea5u.<\/li>\n<\/ol>\n
Bi\u1ec3u \u0111\u1ed3 k\u00edch th\u01b0\u1edbc ph\u1edbt th\u1ee7y l\u1ef1c ti\u00eau chu\u1ea9n (ISO 5597 & AS568)<\/strong><\/h3>\n\n\n\nLo\u1ea1i con d\u1ea5u<\/th>\n | \u0110\u01b0\u1eddng k\u00ednh b\u00ean trong (ID)<\/th>\n | \u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i (OD)<\/th>\n | M\u1eb7t c\u1eaft ngang (CS)<\/th>\n<\/tr>\n<\/thead>\n | \n\nThanh ni\u00eam phong<\/td>\n | 50mm<\/td>\n | 60mm<\/td>\n | 5mm<\/td>\n<\/tr>\n | \nPh\u1edbt piston<\/td>\n | 75mm<\/td>\n | 85mm<\/td>\n | 7mm<\/td>\n<\/tr>\n | \nPh\u1edbt g\u1ea1t n\u01b0\u1edbc<\/td>\n | 90mm<\/td>\n | 100mm<\/td>\n | 6mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nNguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn g\u00e2y ra l\u1ed7i ph\u1edbt th\u1ee7y l\u1ef1c v\u00e0 c\u00e1ch ph\u00f2ng ng\u1eeba<\/h2>\nHi\u1ec3u bi\u1ebft nguy\u00ean nh\u00e2n th\u1ea5t b\u1ea1i<\/strong> gi\u00fap \u0111\u1ee1 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a ph\u1edbt<\/strong>:<\/p>\n\n\n\nNguy\u00ean nh\u00e2n th\u1ea5t b\u1ea1i<\/th>\n | Ph\u01b0\u01a1ng ph\u00e1p ph\u00f2ng ng\u1eeba<\/th>\n<\/tr>\n<\/thead>\n | \n\nNhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao<\/strong><\/td>\nS\u1eed d\u1ee5ng ph\u1edbt FKM ho\u1eb7c PTFE \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao.<\/td>\n<\/tr>\n | \nCh\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m (B\u1ee5i b\u1ea9n, N\u01b0\u1edbc, R\u00e1c th\u1ea3i)<\/strong><\/td>\nKi\u1ec3m tra v\u00e0 thay th\u1ebf ph\u1edbt g\u1ea1t n\u01b0\u1edbc th\u01b0\u1eddng xuy\u00ean.<\/td>\n<\/tr>\n | \nC\u00e0i \u0111\u1eb7t kh\u00f4ng \u0111\u00fang c\u00e1ch<\/strong><\/td>\nLu\u00f4n s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 l\u1eafp ph\u1edbt.<\/td>\n<\/tr>\n | \nS\u1ef1 kh\u00f4ng t\u01b0\u01a1ng th\u00edch c\u1ee7a ch\u1ea5t l\u1ecfng th\u1ee7y l\u1ef1c<\/strong><\/td>\nCh\u1ecdn lo\u1ea1i ph\u1edbt c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t.<\/td>\n<\/tr>\n | \nL\u00e3o h\u00f3a & hao m\u00f2n<\/strong><\/td>\nTh\u1ef1c hi\u1ec7n theo l\u1ecbch b\u1ea3o tr\u00ec c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nT\u1ea1i sao b\u1ea1n n\u00ean n\u00e2ng c\u1ea5p ph\u1edbt m\u00e1y x\u00fac ngay h\u00f4m nay?<\/h2>\n\ud83d\udea8 B\u1ea1n c\u00f3 bi\u1ebft kh\u00f4ng?<\/strong> 70% l\u1ed7i th\u1ee7y l\u1ef1c<\/strong> l\u00e0 do l\u1edbp ni\u00eam phong k\u00e9m! \n\ud83d\udcc9 B\u1ecf qua c\u00e1c mi\u1ebfng \u0111\u1ec7m b\u1ecb m\u00f2n<\/strong> d\u1eabn \u0111\u1ebfn th\u1eddi gian ch\u1ebft m\u00e1y, r\u00f2 r\u1ec9 d\u1ea7u v\u00e0 chi ph\u00ed s\u1eeda ch\u1eefa cao.<\/strong> \n\ud83d\udca1 Gi\u1ea3i ph\u00e1p?<\/strong> Gio\u0103ng TPU & PTFE hi\u1ec7u su\u1ea5t cao<\/strong> c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nh\u1eefng \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/p>\n\ud83d\udc49 N\u00e2ng c\u1ea5p ngay h\u00f4m nay v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd cho m\u00e1y \u0111\u00e0o c\u1ee7a b\u1ea1n!<\/strong><\/p>\nNh\u1eadn ph\u1edbt m\u00e1y x\u00fac hi\u1ec7u su\u1ea5t cao \u2013 Y\u00eau c\u1ea7u b\u00e1o gi\u00e1 mi\u1ec5n ph\u00ed ngay h\u00f4m nay!<\/h2>\nHENGOSEAL chuy\u00ean v\u1ec1 ph\u1edbt th\u1ee7y l\u1ef1c cao c\u1ea5p<\/strong> v\u00ec xi lanh m\u00e1y x\u00fac<\/strong>.<\/p>\n\ud83c\udfaf T\u1ea1i sao n\u00ean ch\u1ecdn con d\u1ea5u c\u1ee7a ch\u00fang t\u00f4i?<\/strong><\/p>\n | | | | | | | | | | | | |