{"id":33347,"date":"2023-05-12T05:45:34","date_gmt":"2023-05-11T22:45:34","guid":{"rendered":"http:\/\/noithathoaphat.in\/ctv\/?p=33347"},"modified":"2023-05-12T21:24:42","modified_gmt":"2023-05-12T14:24:42","slug":"khi-cu-thao-lap-co-oc-noi-rong-nguyen-tac-dat-oc-va-hoat-dong","status":"publish","type":"post","link":"http:\/\/noithathoaphat.in\/ctv\/index.php\/2023\/05\/12\/khi-cu-thao-lap-co-oc-noi-rong-nguyen-tac-dat-oc-va-hoat-dong\/","title":{"rendered":"Kh\u00ed c\u1ee5 th\u00e1o l\u1eafp c\u00f3 \u1ed1c n\u1edbi r\u1ed9ng – Nguy\u00ean t\u1eafc \u0111\u1eb7t \u1ed1c v\u00e0 ho\u1ea1t \u0111\u1ed9ng."},"content":{"rendered":"

Khi m\u1edf r\u1ed9ng ho\u1eb7c thu h\u1eb9p \u1ed1c, n\u1ec1n nh\u1ef1a bao xung quanh \u1ed1c c\u0169ng s\u1ebd \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng ho\u1eb7c thu h\u1eb9p theo. Nh\u01b0 v\u1eady, n\u1ec1n nh\u1ef1a s\u1ebd chuy\u1ec3n t\u1ea3i l\u1ef1c c\u1ee7a \u1ed1c l\u00ean r\u0103ng v\u00e0 x\u01b0\u01a1ng b\u00ean d\u01b0\u1edbi. \u0110\u1ec3 th\u1ef1c hi\u1ec7n t\u1ed1t \u0111i\u1ec1u n\u00e0y, n\u1ec1n nh\u1ef1a ph\u1ea3i ti\u1ebfp x\u00fac th\u1eadt kh\u00edt s\u00e1t v\u1edbi r\u0103ng v\u00e0 x\u01b0\u01a1ng n\u1ec1n b\u00ean d\u01b0\u1edbi. C\u00f9ng t\u00ecm hi\u1ec3u nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng, v\u1ecb tr\u00ed \u0111\u1eb7t \u1ed1c, chi\u1ec1u h\u01b0\u1edbng l\u1ef1c t\u00e1c d\u1ee5ng v\u00e0 l\u01b0u \u00fd \u0111\u1ed1i v\u1edbi kh\u00ed c\u1ee5 th\u00e1o l\u1eafp c\u00f3 \u1ed1c n\u1edbi r\u1ed9ng n\u00e0y.<\/strong><\/p>\n

1. Nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng c\u1ee7a kh\u00ed c\u1ee5 th\u00e1o l\u1eafp c\u00f3 \u1ed1c n\u1edbi r\u1ed9ng<\/h2>\n

Khi m\u1edf r\u1ed9ng ho\u1eb7c thu h\u1eb9p \u1ed1c, n\u1ec1n nh\u1ef1a bao xung quanh \u1ed1c c\u0169ng s\u1ebd \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng ho\u1eb7c thu h\u1eb9p theo. Nh\u01b0 v\u1eady, n\u1ec1n nh\u1ef1a s\u1ebd chuy\u1ec3n t\u1ea3i l\u1ef1c c\u1ee7a \u1ed1c l\u00ean r\u0103ng v\u00e0 x\u01b0\u01a1ng b\u00ean d\u01b0\u1edbi. \u0110\u1ec3 th\u1ef1c hi\u1ec7n t\u1ed1t \u0111i\u1ec1u n\u00e0y, n\u1ec1n nh\u1ef1a ph\u1ea3i ti\u1ebfp x\u00fac th\u1eadt kh\u00edt s\u00e1t v\u1edbi r\u0103ng v\u00e0 x\u01b0\u01a1ng n\u1ec1n b\u00ean d\u01b0\u1edbi.<\/p>\n

L\u1ef1c do \u1ed1c n\u1edbi r\u1ed9ng t\u1ea1o ra l\u00e0 l\u1ef1c gi\u00e1n \u0111o\u1ea1n, l\u1ef1c s\u1ebd gi\u1ea3m khi r\u0103ng di chuy\u1ec3n. Khi xoay \u1ed1c 90\u00b0, n\u1ec1n nh\u1ef1a s\u1ebd t\u00e1ch r\u1eddi nhau 0,2mm, t\u1ea1o l\u1ef1c t\u00e1c \u0111\u1ed9ng l\u00ean r\u0103ng c\u1ea3 hai b\u00ean v\u00e0 l\u00e0m m\u00e0ng nha chu m\u1ed7i b\u00ean b\u1ecb thu h\u1eb9p 0,1mm. Kho\u1ea3ng thu h\u1eb9p n\u00e0y kh\u00f4ng l\u00e0m gi\u00e1n \u0111o\u1ea1n tu\u1ea7n ho\u00e0n m\u00e1u, kh\u00f4ng t\u1ea1o hi\u1ec7n t\u01b0\u1ee3ng tho\u00e1i h\u00f3a k\u00ednh, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n l\u00fd t\u01b0\u1edfng cho vi\u1ec7c di chuy\u1ec3n r\u0103ng trong x\u01b0\u01a1ng \u1ed5.<\/p>\n

Kh\u00ed c\u1ee5 \u1ed1c n\u1edbi r\u1ed9ng th\u00e1o l\u1eafp th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh n\u1edbi r\u1ed9ng sang b\u00ean trong tr\u01b0\u1eddng h\u1ee3p \u0111i\u1ec1u tr\u1ecb c\u1eafn ch\u00e9o r\u0103ng sau m\u1ed9t ho\u1eb7c hai b\u00ean. Kh\u00ed c\u1ee5 \u1ed1c n\u1edbi r\u1ed9ng c\u00f2n \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh n\u1edbi r\u1ed9ng theo chi\u1ec1u ngang t\u1ea1o ch\u1ed7 cho c\u00e1c r\u0103ng c\u1eeda tr\u00ean chen ch\u00fac. N\u1edbi r\u1ed9ng cung r\u0103ng tr\u00ean c\u00f2n c\u00f3 th\u1ec3 gi\u00fap \u0111i\u1ec1u tr\u1ecb c\u00e1c tr\u01b0\u1eddng h\u1ee3p l\u00f9i ch\u1ee9c n\u0103ng c\u1ee7a kh\u1edbp c\u1eafn h\u1ea1ng II. Ngo\u00e0i ra, kh\u00ed c\u1ee5 n\u00e0y c\u00f2n s\u1eed d\u1ee5ng \u0111\u1ec3 di xa r\u0103ng c\u1ed1i l\u1edbn th\u1ee9 nh\u1ea5t t\u1ea1o ch\u1ed7 cho r\u1eb1ng c\u1ed1i nh\u1ecf m\u1ecdc.<\/p>\n

2. V\u1ecb tr\u00ed \u0111\u1eb7t \u1ed1c n\u1edbi r\u1ed9ng v\u00e0 chi\u1ec1u h\u01b0\u1edbng l\u1ef1c t\u00e1c d\u1ee5ng<\/h2>\n

Trong kh\u00ed c\u1ee5 \u1ed1c n\u1edbi r\u1ed9ng, t\u00f9y theo h\u01b0\u1edbng t\u00e1c \u0111\u1ed9ng c\u1ee7a \u1ed1c v\u00e0 s\u1ef1 ph\u00e1c h\u1ecda n\u1ec1n nh\u1ef1a s\u1ebd t\u1ea1o ra nh\u1eefng l\u1ef1c t\u00e1c \u0111\u1ed9ng kh\u00e1c nhau nh\u1eb1m thay \u0111\u1ed5i v\u1ecb tr\u00ed v\u00e0 h\u00ecnh d\u1ea1ng cung r\u0103ng. \u0110\u1ed9 l\u1edbn c\u1ee7a l\u1ef1c ph\u1ee5 thu\u1ed9c v\u00e0o di\u1ec7n t\u00edch n\u1ec1n nh\u1ef1a v\u00e0 s\u1ed1 l\u01b0\u1ee3ng c\u00e1c r\u0103ng neo ch\u1eb7n.<\/p>\n

\u1ed0c n\u1edbi r\u1ed9ng theo chi\u1ec1u ngang<\/strong><\/p>\n

    \n
  • \u1ed0c n\u1edbi r\u1ed9ng hai b\u00ean\n
      \n
    • \u1ed0c th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t ngay \u0111\u01b0\u1eddng gi\u1eefa kh\u1ea9u c\u00e1i \u1edf v\u1ecb tr\u00ed gi\u1eefa r\u0103ng c\u1ed1i nh\u1ecf th\u1ee9 nh\u1ea5t v\u00e0 th\u1ee9 hai h\u00e0m tr\u00ean. N\u1ec1n nh\u1ef1a \u0111\u01b0\u1ee3c ph\u00e2n chia th\u00e0nh hai ph\u1ea7n b\u1eb1ng nhau, t\u1ea1o hai kh\u1ed1i neo ch\u1eb7n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nhau v\u00e0 l\u1ef1c t\u1ea1o ra b\u1edfi \u1ed1c s\u1ebd t\u00e1c \u0111\u1ed9ng \u0111\u1ec1u hai b\u00ean theo chi\u1ec1u ngang (H\u00ecnh 1 A, B).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
      \"khi-cu-thao-lap-co-oc-noi-rong-11\"
      H\u00ecnh 1 (A): V\u1ecb tr\u00ed \u1ed1c n\u1edbi r\u1ed9ng \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf \u0111\u01b0\u1eddng gi\u1eefa kh\u1ea9u c\u00e1i kho\u1ea3ng v\u00f9ng r\u0103ng c\u1ed1i nh\u1ecf \u0111\u1ec3 n\u1edbi r\u1ed9ng cung r\u0103ng \u0111\u1ec1u ra hai b\u00ean. (B): \u1ed1c n\u1edbi r\u1ed9ng \u0111\u1eb7t \u1edf \u0111\u01b0\u1eddng gi\u1eefa h\u00e0m d\u01b0\u1edbi.<\/figcaption><\/figure>\n
        \n
      • \n
          \n
        • Th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong tr\u01b0\u1eddng h\u1ee3p n\u1edbi r\u1ed9ng cung r\u0103ng, t\u1ea1o ch\u1ed7 cho nh\u1eefng tr\u01b0\u1eddng h\u1ee3p chen ch\u00fac r\u0103ng tr\u01b0\u1edbc ho\u1eb7c c\u1eafn ng\u01b0\u1ee3c r\u0103ng sau hai b\u00ean.<\/li>\n<\/ul>\n<\/li>\n
        • \u1ed0c n\u1edbi r\u1ed9ng m\u1ed9t b\u00ean: \u1ed0c \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf v\u1ecb tr\u00ed c\u1ee7a r\u0103ng c\u1ea7n di chuy\u1ec3n theo chi\u1ec1u ngang, n\u1ec1n nh\u1ef1a \u0111\u01b0\u1ee3c ph\u00e2n chia kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u. Khi k\u00edch ho\u1ea1t \u1ed1c n\u1edbi r\u1ed9ng, ph\u1ea7n n\u1ec1n nh\u1ef1a c\u00f3 di\u1ec7n t\u00edch l\u1edbn s\u1ebd c\u00f3 neo ch\u1eb7n l\u1edbn h\u01a1n do \u0111\u00f3 s\u1ebd kh\u00f4ng ho\u1eb7c di chuy\u1ec3n \u00edt h\u01a1n. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong tr\u01b0\u1eddng h\u1ee3p c\u1eafn ng\u01b0\u1ee3c m\u1ed9t b\u00ean (H\u00ecnh 2, 3).<\/li>\n<\/ul>\n
          \"khi-cu-thao-lap-co-oc-noi-rong-22\"
          H\u00ecnh 2: Kh\u00ed c\u1ee5 c\u00f3 \u1ed1c n\u1edbi r\u1ed9ng \u0111\u1eb7t ngay \u0111\u01b0\u1eddng gi\u1eefa nh\u01b0ng ph\u00e1c h\u1ecda n\u1ec1n h\u00e0m kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u \u0111\u1ec3 n\u1edbi r\u1ed9ng cung r\u1eb1ng nhi\u1ec1u h\u01a1n \u1edf b\u00ean c\u00f3 di\u1ec7n t\u00edch n\u1ec1n h\u00e0m nh\u1ecf h\u01a1n.<\/figcaption><\/figure>\n
          \"khi-cu-thao-lap-co-oc-noi-rong-33\"
          H\u00ecnh 3: \u1ed0c \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1ea1i v\u1ecb tr\u00ed c\u1ee7a r\u0103ng c\u1ea7n di chuy\u1ec3n theo chi\u1ec1u ngang (A) di ngo\u00e0i hai r\u0103ng c\u1ed1i nh\u1ecf, (B) di ngo\u00e0i r\u0103ng c\u1ed1i l\u1edbn th\u1ee9 nh\u1ea5t h\u00e0m tr\u00ean.<\/figcaption><\/figure>\n
            \n
          • \u1ed0c n\u1edbi r\u1ed9ng \u0111\u01b0\u1ee3c \u0111\u1eb7t ngay \u0111\u01b0\u1eddng gi\u1eefa kh\u1ea9u c\u00e1i k\u1ebft h\u1ee3p v\u1edbi l\u00f2 xo Z, cung m\u00f4i: \u1ed0c n\u1edbi r\u1ed9ng \u0111\u01b0\u1ee3c \u0111\u1eb7t ngay \u0111\u01b0\u1eddng gi\u1eefa kh\u1ea9u c\u00e1i nh\u01b0ng ph\u00e1c h\u1ecda n\u1ec1n h\u00e0m c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 k\u00e8m theo c\u00e1c l\u00f2 xo \u0111\u1ec3 di chuy\u1ec3n c\u00e1c r\u0103ng mong mu\u1ed1n (H\u00ecnh 4, 5, 6, 7).<\/li>\n<\/ul>\n
            \"khi-cu-thao-lap-co-oc-noi-rong-44\"
            H\u00ecnh 4: Chen ch\u00fac nh\u1eb9 v\u00f9ng r\u0103ng c\u1eeda, R11 l\u1ec7ch trong. N\u1edbi r\u1ed9ng cung r\u0103ng t\u1ea1o kho\u1ea3ng cho R11, k\u00edch ho\u1ea1t l\u00f2 xo \u0111\u1ea9y nghi\u00eang ngo\u00e0i R11. C\u1ea7n n\u00e2ng cao kh\u1edbp c\u1eafn v\u00f9ng r\u0103ng sau \u0111\u1ec3 gi\u1ea3i ph\u00f3ng c\u1ea3n tr\u1edf ph\u00eda tr\u01b0\u1edbc.<\/figcaption><\/figure>\n
            \"khi-cu-thao-lap-co-oc-noi-rong-55\"
            H\u00ecnh 5: Kh\u00ed c\u1ee5 \u1ed1c n\u1edbi r\u1ed9ng k\u1ebft h\u1ee3p v\u1edbi cung m\u00f4i trong \u0111i\u1ec1u tr\u1ecb h\u00f4 r\u0103ng (c\u1ea7n m\u00e0i h\u1edf n\u1ec1n nh\u1ef1a v\u00f9ng r\u0103ng tr\u01b0\u1edbc).<\/figcaption><\/figure>\n
            \"khi-cu-thao-lap-co-oc-noi-rong-66\"
            H\u00ecnh 6: \u1ed0c n\u1edbi r\u1ed9ng \u0111\u1eb7t ngay \u0111\u01b0\u1eddng gi\u1eefa \u0111\u1ec3 n\u1edbi r\u1ed9ng cung r\u0103ng t\u1ea1o ch\u1ed7 cho hai r\u0103ng c\u1eeda gi\u1eefa h\u00e0m tr\u00ean b\u1ecb k\u1eb9t v\u00e0o trong. Hai r\u0103ng n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1ea9y ra tr\u01b0\u1edbc b\u1eb1ng l\u00f2 xo Z. M\u1eb7t ph\u1eb3ng n\u00e2ng cao kh\u1edbp c\u1eafn v\u00f9ng r\u0103ng tr\u01b0\u1edbc \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb c\u1eafn s\u00e2u.<\/figcaption><\/figure>\n
            \"\"
            H\u00ecnh 7: \u1ed0c n\u1edbi r\u1ed9ng \u0111\u1eb7t ngay \u0111\u01b0\u1eddng gi\u1eefa \u0111\u1ec3 n\u1edbi r\u1ed9ng cung r\u0103ng gi\u00fap t\u1ea1o kho\u1ea3ng cho c\u00e1c r\u0103ng chen ch\u00fac. Cung m\u1ed7i k\u1ebft h\u1ee3p v\u1edbi l\u00f2 xo ch\u1eef Z \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c sai l\u1ec7ch v\u00f9ng r\u0103ng tr\u01b0\u1edbc.<\/figcaption><\/figure>\n

            \u1ed0c n\u1edbi r\u1ed9ng theo chi\u1ec1u tr\u01b0\u1edbc sau<\/strong><\/p>\n

              \n
            • \u1ed0c n\u1edbi r\u1ed9ng v\u1ec1 ph\u00eda tr\u01b0\u1edbc: \u1ed1c t\u1ea1o l\u1ef1c \u0111\u1ea9y c\u00e1c r\u0103ng c\u1eeda v\u1ec1 ph\u00eda m\u00f4i \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb c\u1eafn ng\u01b0\u1ee3c v\u00f9ng r\u0103ng c\u1eeda ho\u1eb7c t\u1ea1o ch\u1ed7 cho tr\u01b0\u1eddng h\u1ee3p c\u00e1c r\u0103ng b\u1ecb chen ch\u00fac nh\u1eb9 (H\u00ecnh 8).<\/li>\n<\/ul>\n
              \"\"
              H\u00ecnh 8: (A) \u1ed0c n\u1edbi r\u1ed9ng k\u1ebft h\u1ee3p n\u00e2ng cao kh\u1edbp c\u1eafn r\u0103ng sau t\u1ea1o l\u1ef1c \u0111\u1ea9y c\u00e1c r\u0103ng c\u1eeda tr\u00ean ra tr\u01b0\u1edbc trong tr\u01b0\u1eddng h\u1ee3p c\u1eafn ch\u00e9o, (B) \u1ed0c n\u1edbi r\u1ed9ng k\u1ebft h\u1ee3p cung m\u1ed7i \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb chen ch\u00fac v\u00f9ng r\u0103ng c\u1eeda d\u01b0\u1edbi.<\/figcaption><\/figure>\n
                \n
              • \u1ed0c n\u1edbi r\u1ed9ng v\u1ec1 ph\u00eda sau: Th\u01b0\u1eddng d\u00f9ng \u0111\u1ec3 di xa r\u0103ng, t\u0103ng chi\u1ec1u d\u00e0i cung r\u0103ng (H\u00ecnh 9, 10).<\/li>\n<\/ul>\n
                \"\"
                H\u00ecnh 9: \u1ed0c n\u1edbi r\u1ed9ng v\u1ec1 ph\u00eda sau \u0111\u1ec3 di xa r\u0103ng 26.<\/figcaption><\/figure>\n
                \"\"
                H\u00ecnh 10: \u1ed0c n\u1edbi r\u1ed9ng v\u1ec1 ph\u00eda sau \u0111\u1ec3 di xa r\u0103ng 24,25,26, k\u1ebft h\u1ee3p n\u00e2ng cao kh\u1edbp c\u1eafn v\u00f9ng r\u0103ng sau.<\/figcaption><\/figure>\n

                \u1ed0c n\u1edbi r\u1ed9ng \u0111\u01b0\u1ee3c \u0111\u1eb7t theo h\u00ecnh ch\u1eef Y<\/strong><\/p>\n

                \"\"
                H\u00ecnh 11: N\u1ec1n nh\u1ef1a \u0111\u01b0\u1ee3c ph\u00e1c h\u1ecda theo h\u00ecnh Y, \u1ed1c s\u1ebd t\u00e1c \u0111\u1ed9ng theo chi\u1ec1u ngang v\u00e0 chi\u1ec1u tr\u01b0\u1edbc sau. Ph\u00e1c h\u1ecda n\u1ec1n nh\u1ef1a trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y \u0111\u1ec3 s\u1eafp x\u1ebfp c\u00e1c r\u0103ng nanh chen ch\u00fac thi\u1ebfu ch\u1ed7.<\/figcaption><\/figure>\n

                \u1ed0c n\u1edbi r\u1ed9ng d\u1ea1ng r\u1ebb qu\u1ea1t<\/strong><\/p>\n

                \u1ed0c n\u1edbi r\u1ed9ng r\u1ebb qu\u1ea1t l\u00e0 m\u1ed9t d\u1ea1ng \u0111\u1eb7c bi\u1ec7t c\u1ee7a \u1ed1c n\u1edbi r\u1ed9ng. \u1ed0c c\u00f3 m\u1ed9t tr\u1ee5c b\u1ea3n l\u1ec1 n\u00ean khi xoay \u1ed1c, n\u1ec1n nh\u1ef1a m\u1edf r\u1ed9ng quanh b\u1ea3n l\u1ec1 n\u00e0y. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p cung r\u0103ng ch\u1ec9 h\u1eb9p ho\u1eb7c v\u00f9ng r\u0103ng tr\u01b0\u1edbc (d\u1ea1ng ch\u1eef V), ho\u1eb7c v\u00f9ng r\u0103ng sau.<\/p>\n

                \u1ed0c n\u1edbi r\u1ed9ng d\u00f9ng thu h\u1eb9p c\u00e1c kho\u1ea3ng h\u1edf<\/strong><\/p>\n

                Do kh\u1ea3 n\u0103ng di chuy\u1ec3n \u0111\u01b0\u1ee3c t\u1ea5m n\u1ec1n c\u1ee7a kh\u00ed c\u1ee5 th\u00e1o l\u1eafp, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u1ed1c n\u1edbi r\u1ed9ng thu h\u1eb9p kho\u1ea3ng h\u1edf gi\u1eefa c\u00e1c t\u1ea5m n\u1ec1n b\u1eb1ng c\u00e1ch m\u1edf r\u1ed9ng \u1ed1c t\u1ed1i \u0111a tr\u01b0\u1edbc khi \u00e9p nh\u1ef1a. Khi k\u00edch ho\u1ea1t kh\u00ed c\u1ee5, xoay \u1ed1c theo chi\u1ec1u ng\u01b0\u1ee3c l\u1ea1i s\u1ebd gi\u00fap \u0111\u00f3ng k\u00edn kho\u1ea3ng h\u1edf tr\u00ean cung r\u0103ng.<\/p>\n

                3. C\u00e1ch \u0111i\u1ec1u ch\u1ec9nh kh\u00ed c\u1ee5<\/h2>\n

                B\u1ec7nh nh\u00e2n t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh kh\u00ed c\u1ee5 \u0111\u01b0\u1ee3c b\u1eb1ng kh\u00f3a v\u1eb7n \u1ed1c. Th\u01b0\u1eddng trong n\u1ec1n nh\u1ef1a c\u1ee7a kh\u00ed c\u1ee5 c\u00f3 g\u1eafn s\u1eb5n m\u1ed9t d\u1ea5u m\u0169i t\u00ean. D\u1ea5u m\u0169i t\u00ean cho bi\u1ebft chi\u1ec1u h\u01b0\u1edbng t\u0103ng \u1ed1c n\u1edbi r\u1ed9ng. N\u1ebfu t\u0103ng \u1ed1c m\u1ed7i 4 v\u00f2ng m\u1ed9t l\u1ea7n m\u1ed7i tu\u1ea7n, t\u1ed1c \u0111\u1ed9 di chuy\u1ec3n r\u0103ng s\u1ebd l\u00e0 0,8mm\/ th\u00e1ng. Sau khi t\u0103ng \u1ed1c n\u1edbi r\u1ed9ng, kh\u00ed c\u1ee5 c\u1ea7n ph\u1ea3i kh\u00edt s\u00e1t trong mi\u1ec7ng. N\u1ebfu kh\u00ed c\u1ee5 kh\u00f4ng kh\u00edt s\u00e1t s\u1ebd d\u1ec5 b\u1ecb m\u1ea5t neo ch\u1eb7n v\u00e0 kh\u00f4ng di chuy\u1ec3n r\u0103ng theo mong mu\u1ed1n.<\/p>\n

                Khi s\u1eed d\u1ee5ng kh\u00ed c\u1ee5 c\u00f3 \u1ed1c n\u1edbi r\u1ed9ng, \u1ed1c n\u1edbi r\u1ed9ng c\u00f3 th\u1ec3 b\u1ecb xoay ng\u01b0\u1ee3c l\u1ea1i. L\u00fac \u0111\u00f3, khi mang kh\u00ed c\u1ee5 v\u00e0o b\u1ec7nh nh\u00e2n s\u1ebd c\u1ea3m th\u1ea5y l\u1ecfng l\u1ebbo. Ng\u01b0\u1ee3c l\u1ea1i, tr\u01b0\u1eddng h\u1ee3p b\u1ec7nh nh\u00e2n b\u1ecf kh\u00ed c\u1ee5 kh\u00f4ng mang m\u1ed9t th\u1eddi gian, b\u1ec7nh nh\u00e2n s\u1ebd c\u1ea3m th\u1ea5y r\u1ea5t ch\u1eb7t ho\u1eb7c kh\u00ed c\u1ee5 s\u1ebd kh\u00f4ng th\u1ec3 g\u1eafn v\u00e0o \u0111\u01b0\u1ee3c trong mi\u1ec7ng. L\u00fac n\u00e0y b\u1ec7nh nh\u00e2n c\u1ea7n t\u00e1i kh\u00e1m ngay. B\u00e1c s\u0129 c\u00f3 th\u1ec3 t\u0103ng \u1ed1c ho\u1eb7c v\u1eb7n \u1ed1c ng\u01b0\u1ee3c tr\u1edf l\u1ea1i \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh sao cho kh\u00ed c\u1ee5 th\u1eadt kh\u00edt s\u00e1t trong mi\u1ec7ng v\u00e0 nh\u01b0 v\u1eady ti\u1ebfn tr\u00ecnh \u0111i\u1ec1u tr\u1ecb s\u1ebd b\u1ecb ch\u1eadm l\u1ea1i.<\/p>\n

                \u0110\u1ed1i v\u1edbi kh\u00ed c\u1ee5 n\u1edbi r\u1ed9ng th\u00e1o l\u1eafp, b\u1ec7nh nh\u00e2n th\u01b0\u1eddng t\u1ef1 v\u1eb7n \u1ed1c n\u1edbi r\u1ed9ng 1- 2 l\u1ea7n m\u1ed7i tu\u1ea7n.<\/p>\n

                Ngu\u1ed3n tham kh\u1ea3o: <\/em>S\u00e1ch ch\u1ec9nh h\u00ecnh r\u0103ng m\u1eb7t, kh\u00ed c\u1ee5 th\u00e1o l\u1eafp –\u00a0 B\u1ed9 m\u00f4n Ch\u1ec9nh h\u00ecnh r\u0103ng m\u1eb7t, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Y d\u01b0\u1ee3c TP H\u1ed3 Ch\u00ed Minh<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

                Khi m\u1edf r\u1ed9ng ho\u1eb7c thu h\u1eb9p \u1ed1c, n\u1ec1n nh\u1ef1a bao xung quanh \u1ed1c c\u0169ng s\u1ebd \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng ho\u1eb7c thu h\u1eb9p theo. Nh\u01b0 v\u1eady, n\u1ec1n nh\u1ef1a s\u1ebd chuy\u1ec3n t\u1ea3i l\u1ef1c c\u1ee7a \u1ed1c l\u00ean r\u0103ng v\u00e0 x\u01b0\u01a1ng b\u00ean d\u01b0\u1edbi. \u0110\u1ec3 th\u1ef1c hi\u1ec7n t\u1ed1t \u0111i\u1ec1u n\u00e0y, n\u1ec1n nh\u1ef1a ph\u1ea3i ti\u1ebfp x\u00fac th\u1eadt kh\u00edt s\u00e1t v\u1edbi r\u0103ng v\u00e0 […]<\/p>\n","protected":false},"author":21,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[28,33],"tags":[],"yoast_head":"\nKh\u00ed c\u1ee5 th\u00e1o l\u1eafp c\u00f3 \u1ed1c n\u1edbi r\u1ed9ng - Nguy\u00ean t\u1eafc \u0111\u1eb7t \u1ed1c v\u00e0 ho\u1ea1t \u0111\u1ed9ng.<\/title>\n<meta name=\"description\" content=\"C\u00f9ng t\u00ecm hi\u1ec3u nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng, v\u1ecb tr\u00ed \u0111\u1eb7t \u1ed1c, chi\u1ec1u h\u01b0\u1edbng l\u1ef1c t\u00e1c d\u1ee5ng v\u00e0 l\u01b0u \u00fd \u0111\u1ed1i v\u1edbi kh\u00ed c\u1ee5 th\u00e1o l\u1eafp c\u00f3 \u1ed1c n\u1edbi r\u1ed9ng n\u00e0y.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kh\u00ed c\u1ee5 th\u00e1o l\u1eafp c\u00f3 \u1ed1c n\u1edbi r\u1ed9ng - 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