{"id":33393,"date":"2023-05-12T12:53:01","date_gmt":"2023-05-12T05:53:01","guid":{"rendered":"http:\/\/noithathoaphat.in\/ctv\/?p=33393"},"modified":"2023-05-12T21:12:44","modified_gmt":"2023-05-12T14:12:44","slug":"cac-dang-khi-cu-lo-xo-thuong-su-dung-trong-chinh-hinh-thao-lap","status":"publish","type":"post","link":"http:\/\/noithathoaphat.in\/ctv\/index.php\/2023\/05\/12\/cac-dang-khi-cu-lo-xo-thuong-su-dung-trong-chinh-hinh-thao-lap\/","title":{"rendered":"C\u00e1c d\u1ea1ng kh\u00ed c\u1ee5 l\u00f2 xo th\u01b0\u1eddng s\u1eed d\u1ee5ng trong ch\u1ec9nh h\u00ecnh th\u00e1o l\u1eafp."},"content":{"rendered":"<p><strong>B\u00e0i vi\u1ebft n\u00e0y t\u1eadp trung ch\u1ee7 y\u1ebfu v\u00e0o c\u00e1c d\u1ea1ng kh\u00ed c\u1ee5 l\u00f2 xo th\u01b0\u1eddng s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh ch\u1ec9nh h\u00ecnh th\u00e1o l\u1eafp. C\u00e1c lo\u1ea1i \u0111\u00f3 bao g\u1ed3m l\u00f2 xo ng\u00f3n tay, l\u00f2 xo Z v\u00e0 l\u00f2 xo di xa r\u0103ng nanh l\u1ec7ch ngo\u00e0i. C\u00f9ng t\u00ecm hi\u1ec3u k\u1ef9 h\u01a1n trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/strong><\/p>\n<h2>1. D\u1ea1ng kh\u00ed c\u1ee5 l\u00f2 xo &#8211; L\u00f2 xo ng\u00f3n tay<\/h2>\n<p>C\u00f2n g\u1ecdi l\u00e0 l\u00f2 xo kim b\u0103ng, l\u00f2 xo k\u1ebd r\u0103ng, l\u00f2 xo di g\u1ea7n ho\u1eb7c di xa r\u0103ng.<\/p>\n<p><strong>M\u00f4 t\u1ea3<\/strong><\/p>\n<p>L\u00f2 xo g\u1ed3m 3 th\u00e0nh ph\u1ea7n: tay, b\u1ee5ng, v\u00e0 ch\u00e2n (H\u00ecnh 1, 2).<\/p>\n<figure id=\"attachment_33395\" aria-describedby=\"caption-attachment-33395\" style=\"width: 800px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-33395\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-217.png\" alt=\"dang-khi-cu-1\" width=\"800\" height=\"275\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-217.png 800w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-217-300x103.png 300w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-217-768x264.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-33395\" class=\"wp-caption-text\">H\u00ecnh 1: (A) Nguy\u00ean t\u1eafc kim b\u0103ng khi b\u1ee5ng l\u00f2 xo \u0111\u1eb7t ng\u01b0\u1ee3c chi\u1ec1u di chuy\u1ec3n r\u0103ng (a) l\u1ef1c t\u00e1c \u0111\u1ed9ng m\u1ea1nh h\u01a1n (b), (B) C\u00e1c b\u01b0\u1edbc b\u1ebb l\u00f2 xo ng\u00f3n tay a: c\u00e1nh tay, b: b\u1ee5ng, c: ch\u00e2n.<\/figcaption><\/figure>\n<figure id=\"attachment_33396\" aria-describedby=\"caption-attachment-33396\" style=\"width: 940px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-33396\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-218.png\" alt=\"dang-khi-cu-2\" width=\"940\" height=\"308\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-218.png 940w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-218-300x98.png 300w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-218-768x252.png 768w\" sizes=\"(max-width: 940px) 100vw, 940px\" \/><figcaption id=\"caption-attachment-33396\" class=\"wp-caption-text\">H\u00ecnh 2: (A) L\u00f2 xo ng\u00f3n tay khi b\u1ebb v\u00e0 (B) khi t\u00e1c \u0111\u1ed9ng l\u1ef1c (C) B\u1ee5ng l\u00f2 xo n\u1eb1m tr\u00ean tr\u1ee5c d\u00e0i c\u1ee7a r\u1eb1ng v\u00e0 th\u1eb3ng g\u00f3c v\u1edbi h\u01b0\u1edbng di chuy\u1ec3n.<\/figcaption><\/figure>\n<ul>\n<li>\u0110\u01b0\u1eddng k\u00ednh d\u00e2y b\u1ebb l\u00f2 xo l\u00e0 0,6 &#8211; 0,7 mm Tay n\u1eb1m tr\u00ean tr\u1ee5c d\u00e0i c\u1ee7a r\u0103ng.<\/li>\n<li>B\u1ee5ng l\u00e0 v\u00f2ng tr\u00f2n \u0111\u01b0\u1eddng k\u00ednh 2-3mm, c\u00e1ch c\u1ed5 r\u0103ng 4 &#8211; 5mm. C\u00f3 th\u1ec3 b\u1ebb m\u1ed9t v\u00f2ng ho\u1eb7c nhi\u1ec1u v\u00f2ng tr\u00f2n \u0111\u1ec3 t\u0103ng \u0111\u1ed9 d\u1ebbo c\u1ee7a l\u00f2 xo.<\/li>\n<li>B\u1ee5ng l\u00f2 xo n\u00ean \u0111\u1eb7t ng\u01b0\u1ee3c h\u01b0\u1edbng di chuy\u1ec3n r\u0103ng, theo nguy\u00ean t\u1eafc kim b\u0103ng: khi m\u1edf bung ra s\u1ebd t\u00e1c \u0111\u1ed9ng l\u1ef1c m\u1ea1nh h\u01a1n l\u00e0 \u0111\u1eb7t b\u1ee5ng \u1edf chi\u1ec1u ng\u01b0\u1ee3c l\u1ea1i. Ph\u1ea7n tay v\u00e0 b\u1ee5ng l\u00f2 xo kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ea1m ni\u00eam m\u1ea1c v\u00ec s\u1ebd g\u00e2y lo\u00e9t ni\u00eam m\u1ea1c khi mang kh\u00ed c\u1ee5 trong mi\u1ec7ng.<\/li>\n<li>Ch\u00e2n l\u00f2 xo \u0111\u01b0\u1ee3c b\u1ebb g\u1ea5p kh\u00fac ho\u1eb7c b\u1ebb z\u00edc z\u1eafc t\u1ea1o l\u01b0u v\u00e0 ch\u00f4n trong n\u1ec1n nh\u1ef1a. Ch\u00e2n l\u00f2 xo th\u01b0\u1eddng h\u1edf c\u00e1ch ni\u00eam m\u1ea1c 0,5-1mm.<\/li>\n<li>Tay, ch\u00e2n. b\u1ee5ng l\u00f2 xo th\u01b0\u1eddng n\u1eb1m tr\u00ean m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng.<\/li>\n<\/ul>\n<p><strong>C\u00e1ch b\u1ebb:<\/strong> \u0110o\u1ea1n d\u00e2y kho\u1ea3ng 15mm, b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1nh tay. Sau \u0111\u00f3 b\u1ebb ph\u1ea7n v\u00f2ng tr\u00f2n b\u1ee5ng. Cu\u1ed1i c\u00f9ng l\u00e0 ph\u1ea7n ch\u00e2n l\u00f2 xo \u0111\u01b0\u1ee3c \u0111\u01b0\u1ee3c b\u1ebb l\u01b0u trong nh\u1ef1a.<\/p>\n<p><strong>C\u00f4ng d\u1ee5ng<\/strong>.<\/p>\n<figure id=\"attachment_33397\" aria-describedby=\"caption-attachment-33397\" style=\"width: 976px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-33397\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-219.png\" alt=\"dang-khi-cu-3\" width=\"976\" height=\"312\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-219.png 976w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-219-300x96.png 300w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-219-768x246.png 768w\" sizes=\"(max-width: 976px) 100vw, 976px\" \/><figcaption id=\"caption-attachment-33397\" class=\"wp-caption-text\">H\u00ecnh 3: (A) L\u00f2 xo ng\u00f3n tay di ngo\u00e0i r\u0103ng c\u1ed1i l\u1edbn (B) L\u00f2 xo ng\u00f3n tay di trong r\u0103ng c\u1ed1i l\u1edbn.<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_33398\" aria-describedby=\"caption-attachment-33398\" style=\"width: 903px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-33398\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-220.png\" alt=\"dang-khi-cu-4\" width=\"903\" height=\"298\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-220.png 903w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-220-300x99.png 300w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-220-768x253.png 768w\" sizes=\"(max-width: 903px) 100vw, 903px\" \/><figcaption id=\"caption-attachment-33398\" class=\"wp-caption-text\">H\u00ecnh 4: L\u00f2 xo ng\u00f3n tay di xa r\u0103ng c\u1ed1i (A) Nh\u00ecn t\u1eeb ph\u00eda trong, (B) Nh\u00ecn t\u1eeb m\u1eb7t nhai.<\/figcaption><\/figure>\n<ul>\n<li>L\u00f2 xo ng\u00f3n tay th\u01b0\u1eddng d\u00f9ng di r\u0103ng tr\u01b0\u1edbc theo chi\u1ec1u g\u1ea7n xa.<\/li>\n<li>M\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t c\u00f3 th\u1ec3 d\u00f9ng di r\u0103ng theo chi\u1ec1u ngo\u00e0i trong: nh\u01b0 c\u00e1c r\u0103ng sau b\u1ecb c\u1eafn ch\u00e9o. Tr\u01b0\u1eddng h\u1ee3p n\u00e0y th\u01b0\u1eddng ph\u1ea7n b\u1ee5ng \u0111\u01b0\u1ee3c b\u1ebb th\u00eam nhi\u1ec1u v\u00f2ng v\u00e0 c\u00f3 tr\u1ee5c b\u1eb1ng d\u00e2y l\u1edbn \u0111\u1ec3 n\u00e2ng \u0111\u1ee1 l\u00f2 xo. Ngo\u00e0i ra, l\u00f2 xo ng\u00f3n tay c\u00f2n c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 di g\u1ea7n ho\u1eb7c di xa r\u0103ng c\u1ed1i.<\/li>\n<li>Thu\u1eadn l\u1ee3i c\u1ee7a l\u00f2 xo ng\u00f3n tay l\u00e0 tr\u1ebb nh\u1ecf c\u00f3 th\u1ec3 t\u1ef1 \u0111eo kh\u00ed c\u1ee5 \u0111\u01b0\u1ee3c d\u1ec5 d\u00e0ng v\u00e0 d\u00f9ng ng\u00f3n tay \u00e9p v\u00e0o l\u00f2 xo l\u00fac g\u1eafn kh\u00ed c\u1ee5, t\u1ea1o l\u1ef1c t\u00e1c \u0111\u1ed9ng v\u00e0o r\u0103ng. L\u00f2 xo t\u00e1c \u0111\u1ed9ng trong th\u1eddi gian 1 th\u00e1ng m\u1edbi c\u1ea7n thi\u1ebft ph\u1ea3i t\u0103ng l\u1ef1c l\u1ea1i.<\/li>\n<\/ul>\n<h2>2. L\u00f2 xo Z<\/h2>\n<p><strong>M\u00f4 t\u1ea3<\/strong><\/p>\n<p>L\u00e0 d\u1ea1ng l\u00f2 xo \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c r\u0103ng tr\u01b0\u1edbc (r\u0103ng c\u1eeda tr\u00ean, r\u0103ng c\u1eeda d\u01b0\u1edbi, r\u0103ng nanh h\u00e0m tr\u00ean v\u00e0 h\u00e0m d\u01b0\u1edbi). L\u00f2 xo c\u00f3 h\u00ecnh d\u1ea1ng ch\u1eef Z v\u1edbi chi\u1ec1u ngang b\u1eb1ng chi\u1ec1u r\u1ed9ng c\u1ee7a r\u0103ng \u0111\u1eb7t l\u00f2 xo. M\u1ed9t c\u1ea1nh c\u1ee7a ch\u1eef Z n\u1eb1m t\u1ef1a v\u00e0o m\u1eb7t trong c\u1ee7a r\u0103ng. C\u00e1c c\u1ea1nh c\u00f2n l\u1ea1i c\u1ee7a ch\u1eef Z kh\u00f4ng t\u1ef1a s\u00e1t ni\u00eam m\u1ea1c \u0111\u1ec3 tr\u00e1nh g\u00e2y lo\u00e9t. \u0110\u1ec3 t\u0103ng \u0111\u1ed9 d\u1ebbo c\u1ee7a l\u00f2 xo, ta c\u00f3 th\u1ec3 b\u1ebb th\u00eam c\u00e1c v\u00f2ng tr\u00f2n b\u1ee5ng \u1edf ph\u00eda g\u1ea7n v\u00e0 xa c\u1ee7a ch\u1eef Z.<\/p>\n<figure id=\"attachment_33399\" aria-describedby=\"caption-attachment-33399\" style=\"width: 917px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-33399\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-221.png\" alt=\"dang-khi-cu-5\" width=\"917\" height=\"318\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-221.png 917w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-221-300x104.png 300w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-221-768x266.png 768w\" sizes=\"(max-width: 917px) 100vw, 917px\" \/><figcaption id=\"caption-attachment-33399\" class=\"wp-caption-text\">H\u00ecnh 5: (A) L\u00f2 xo ch\u1eef Z \u0111\u1ea9y m\u1ed9t r\u0103ng c\u1eeda gi\u1eefa ra tr\u01b0\u1edbc (B) L\u00f2 xo ch\u1eef Z \u0111\u1ea9y hai r\u0103ng c\u1eeda gi\u1eefa ra tr\u01b0\u1edbc.<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_33400\" aria-describedby=\"caption-attachment-33400\" style=\"width: 928px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-33400\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-222.png\" alt=\"\" width=\"928\" height=\"357\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-222.png 928w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-222-300x115.png 300w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-222-768x295.png 768w\" sizes=\"(max-width: 928px) 100vw, 928px\" \/><figcaption id=\"caption-attachment-33400\" class=\"wp-caption-text\">H\u00ecnh 6: C\u00e1c d\u1ea1ng th\u01b0\u1eddng d\u00f9ng c\u1ee7a l\u00f2 xo Z: h\u00ecnh Z, m\u1ed9t b\u1ee5ng, hai b\u1ee5ng.<\/figcaption><\/figure>\n<p>Ph\u1ea7n ch\u00e2n l\u00f2 xo h\u1edf c\u00e1ch ni\u00eam m\u1ea1c 0,5- 1mm v\u00e0 \u0111\u01b0\u1ee3c ph\u1ee7 ho\u00e0n to\u00e0n trong n\u1ec1n nh\u1ef1a. \u0110\u00f4i khi l\u00f2 xo ch\u1eef Z c\u00f3 th\u1ec3 di 2 r\u0103ng c\u00f9ng l\u00fac, l\u00fac n\u00e0y chi\u1ec1u ngang c\u1ee7a ch\u1eef Z s\u1ebd b\u1eb1ng chi\u1ec1u r\u1ed9ng c\u1ee7a 2 r\u0103ng mu\u1ed1n di chuy\u1ec3n.<\/p>\n<p>M\u1ed9t s\u1ed1 d\u1ea1ng l\u00f2 xo kh\u00e1c:<\/p>\n<figure id=\"attachment_33401\" aria-describedby=\"caption-attachment-33401\" style=\"width: 753px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-33401\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-223.png\" alt=\"\" width=\"753\" height=\"481\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-223.png 753w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-223-300x192.png 300w\" sizes=\"(max-width: 753px) 100vw, 753px\" \/><figcaption id=\"caption-attachment-33401\" class=\"wp-caption-text\">H\u00ecnh 7: (A) L\u00f2 xo Z ti\u1ebfp x\u00fac s\u00e1t m\u1eb7t xa r\u0103ng \u0111\u1ec3 ng\u0103n r\u0103ng di xa l\u00fac \u0111\u1ea9y ra tr\u01b0\u1edbc, (B) L\u00f2 xo \u0111\u00f3ng h\u00ecnh Z \u0111\u1ea9y nh\u00f3m r\u0103ng c\u1eeda ra tr\u01b0\u1edbc, (C) L\u00f2 xo \u0111\u00f3ng \u0111\u01b0\u1ee3c b\u1ecdc nh\u1ef1a d\u00f9ng di r\u0103ng c\u1eeda ra tr\u01b0\u1edbc.<\/figcaption><\/figure>\n<p>Trong mi\u1ec7ng c\u00f3 th\u1ec3 \u0111\u1eafp th\u00eam ph\u1ea7n t\u1ef1a b\u1eb1ng nh\u1ef1a composite \u1edf r\u0103ng c\u1ea7n di chuy\u1ec3n s\u1ebd gi\u00fap l\u00f2 xo t\u1ef1a v\u00e0o r\u0103ng th\u0103ng b\u1eb1ng h\u01a1n.<\/p>\n<figure id=\"attachment_33402\" aria-describedby=\"caption-attachment-33402\" style=\"width: 365px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-33402\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-224.png\" alt=\"\" width=\"365\" height=\"294\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-224.png 365w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-224-300x242.png 300w\" sizes=\"(max-width: 365px) 100vw, 365px\" \/><figcaption id=\"caption-attachment-33402\" class=\"wp-caption-text\">H\u00ecnh 8: L\u00f2 xo v\u00e0 n\u00fat composite.<\/figcaption><\/figure>\n<p><strong>C\u00e1ch b\u1ebb l\u00f2 xo ch\u1eef Z<\/strong><\/p>\n<figure id=\"attachment_33403\" aria-describedby=\"caption-attachment-33403\" style=\"width: 1093px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-33403\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-225.png\" alt=\"\" width=\"1093\" height=\"839\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-225.png 1093w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-225-300x230.png 300w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-225-1024x786.png 1024w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-225-768x590.png 768w\" sizes=\"(max-width: 1093px) 100vw, 1093px\" \/><figcaption id=\"caption-attachment-33403\" class=\"wp-caption-text\">H\u00ecnh 9: C\u00e1c b\u01b0\u1edbc b\u1ebb l\u00f2 xo ch\u1eef Z.<\/figcaption><\/figure>\n<ul>\n<li>\u0110\u01b0\u1eddng k\u00ednh d\u00e2y 0,5 &#8211; 0,6mm.<\/li>\n<li>\u0110o chi\u1ec1u ngang c\u1ee7a r\u0103ng mu\u1ed1n \u0111\u1eb7t l\u00f2 xo \u0111\u1ec3 b\u1ebb \u0111o\u1ea1n ngang c\u1ee7a ch\u1eef Z.<\/li>\n<li>Ph\u1ea7n b\u1ee5ng c\u1ee7a l\u00f2 xo ch\u1eef Z th\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u1ebb nh\u1ecf h\u01a1n b\u1ee5ng c\u1ee7a l\u00f2 xo ng\u00f3n tay m\u1ed9t ch\u00fat \u00d8 1-1,5 mm. Ti\u1ebfp t\u1ee5c b\u1ebb th\u00eam ph\u1ea7n ngang th\u1ee9 hai c\u1ee7a ch\u1eef Z v\u00e0 ph\u1ea7n b\u1ee5ng c\u00f2n l\u1ea1i. Th\u00eam m\u1ed9t ph\u1ea7n ngang th\u1ee9 ba \u0111\u1ec3 t\u1ea1o th\u00e0nh ch\u1eef Z.<\/li>\n<li>Cu\u1ed1i c\u00f9ng b\u1ebb ch\u00e2n l\u00f2 xo c\u00f3 ph\u1ea7n l\u01b0u trong nh\u1ef1a.<\/li>\n<\/ul>\n<p>L\u00f2 xo Z c\u00f3 th\u1ec3 \u0111\u1eb7t ph\u1ea7n t\u00e1c \u0111\u1ed9ng n\u1eb1m tr\u00ean ho\u1eb7c d\u01b0\u1edbi n\u1ec1n nh\u1ef1a t\u00f9y ch\u1ecdn.<\/p>\n<figure id=\"attachment_33404\" aria-describedby=\"caption-attachment-33404\" style=\"width: 1094px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-33404\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-226.png\" alt=\"\" width=\"1094\" height=\"364\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-226.png 1094w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-226-300x100.png 300w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-226-1024x341.png 1024w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-226-768x256.png 768w\" sizes=\"(max-width: 1094px) 100vw, 1094px\" \/><figcaption id=\"caption-attachment-33404\" class=\"wp-caption-text\">H\u00ecnh 10: (A) L\u00f2 xo Z \u0111\u1ea9y r\u0103ng c\u1eeda b\u00ean tr\u00e1i ra tr\u01b0\u1edbc, n\u1eb1m d\u01b0\u1edbi t\u1ea5m n\u1ec1n (B) L\u00f2 xo Z \u0111\u1ea9y nh\u00f3m r\u0103ng c\u1eeda ra tr\u01b0\u1edbc n\u1eb1m ngo\u00e0i t\u1ea5m n\u1ec1n.<\/figcaption><\/figure>\n<p><strong>C\u00f4ng d\u1ee5ng<\/strong><\/p>\n<ul>\n<li>Di r\u0103ng c\u1eeda, r\u0103ng nanh ra tr\u01b0\u1edbc trong tr\u01b0\u1eddng h\u1ee3p c\u1eafn ch\u00e9o, c\u1eafn \u0111\u1ed1i \u0111\u1ea7u.<\/li>\n<li>\u0110i\u1ec1u tr\u1ecb xoay c\u1ea1nh:\n<ul>\n<li>Khi t\u0103ng l\u1ef1c l\u00f2 xo kh\u00f4ng n\u00ean qu\u00e1 1mm. N\u1ebfu t\u0103ng l\u1ef1c ph\u1ea7n b\u1ee5ng \u0111\u1ea7u ti\u00ean, \u0111\u1ea7u t\u1ef1 do c\u1ee7a l\u00f2 xo di ra tr\u01b0\u1edbc. N\u1ebfu t\u0103ng l\u1ef1c th\u00eam ph\u1ea7n b\u1ee5ng th\u1ee9 hai to\u00e0n b\u1ed9 l\u00f2 xo di ra tr\u01b0\u1edbc. Ph\u1ea7n \u0111\u1ea7u t\u1ef1 do c\u1ee7a l\u00f2 xo c\u00f3 l\u1ef1c m\u1ea1nh nh\u1ea5t n\u00ean th\u01b0\u1eddng \u0111\u1eb7t \u1edf ph\u00eda c\u1ea1nh b\u00ean c\u1ea7n di chuy\u1ec3n nhi\u1ec1u h\u01a1n (H\u00ecnh 11).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<figure id=\"attachment_33405\" aria-describedby=\"caption-attachment-33405\" style=\"width: 1090px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-33405\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-227.png\" alt=\"\" width=\"1090\" height=\"290\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-227.png 1090w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-227-300x80.png 300w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-227-1024x272.png 1024w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-227-768x204.png 768w\" sizes=\"(max-width: 1090px) 100vw, 1090px\" \/><figcaption id=\"caption-attachment-33405\" class=\"wp-caption-text\">H\u00ecnh 11: T\u0103ng l\u1ef1c l\u00f2 xo Z: (a,b): \u0111i\u1ec1u tr\u1ecb xoay r\u0103ng, (c,d): \u0111\u1ea9y r\u0103ng ra tr\u01b0\u1edbc\/ph\u00eda h\u00e0nh lang.<\/figcaption><\/figure>\n<h2>3. L\u00f2 xo di xa r\u0103ng nanh l\u1ec7ch ngo\u00e0i<\/h2>\n<p><strong>M\u00f4 t\u1ea3 <\/strong><\/p>\n<figure id=\"attachment_33406\" aria-describedby=\"caption-attachment-33406\" style=\"width: 1009px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-33406\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-228.png\" alt=\"\" width=\"1009\" height=\"429\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-228.png 1009w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-228-300x128.png 300w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-228-768x327.png 768w\" sizes=\"(max-width: 1009px) 100vw, 1009px\" \/><figcaption id=\"caption-attachment-33406\" class=\"wp-caption-text\">H\u00ecnh 12: L\u00f2 xo di xa r\u0103ng nanh tr\u00ean l\u1ec7ch ngo\u00e0i (A) nh\u00ecn t\u1eeb m\u1eb7t ngo\u00e0i (B) nh\u00ecn t\u1eeb m\u1eb7t nhai.<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_33407\" aria-describedby=\"caption-attachment-33407\" style=\"width: 574px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-33407\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-229.png\" alt=\"\" width=\"574\" height=\"637\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-229.png 574w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-229-270x300.png 270w\" sizes=\"(max-width: 574px) 100vw, 574px\" \/><figcaption id=\"caption-attachment-33407\" class=\"wp-caption-text\">H\u00ecnh 13: (A) L\u00f2 xo n\u00ean \u0111\u1eb7t h\u01a1i ra tr\u01b0\u1edbc \u0111\u1ec3 c\u00f3 l\u1ef1c t\u00e1c \u0111\u1ed9ng cho r\u1eb1ng di ra sau v\u00e0 (B) L\u00f2 xo \u0111\u1eb7t l\u00f9i ra sau v\u00e0 ph\u1ea7n \u0111\u1ea7u t\u00e1c \u0111\u1ed9ng \u0111\u1eb7t \u1edf tri\u1ec1n g\u1ea7n c\u1ee7a r\u0103ng l\u00e0m r\u0103ng tr\u1ed3i xu\u1ed1ng, \u00edt c\u00f3 t\u00e1c \u0111\u1ed9ng di xa.<\/figcaption><\/figure>\n<ul>\n<li>L\u00f2 xo g\u1ed3m c\u00f3 2 c\u00e1nh tay \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh h\u00ecnh V n\u1eb1m \u1edf \u0111\u00e1y h\u00e0nh lang, gi\u1eefa m\u1eb7t xa r\u0103ng nanh v\u00e0 m\u1eb7t g\u1ea7n r\u0103ng c\u1ed1i nh\u1ecf, th\u00f4ng th\u01b0\u1eddng l\u00e0 r\u0103ng c\u1ed1i nh\u1ecf th\u1ee9 hai.<\/li>\n<li>Ph\u1ea7n \u0111\u1ea7u t\u1ef1 do c\u1ee7a l\u00f2 xo \u0111\u01b0\u1ee3c b\u1ebb th\u1eb3ng g\u00f3c v\u00e0 \u0111\u1eb7t ch\u00ednh x\u00e1c v\u00e0o m\u1eb7t b\u00ean g\u1ea7n r\u0103ng. N\u1ebfu r\u0103ng nanh qu\u00e1 kh\u00edt s\u00e1t r\u0103ng c\u1eeda b\u00ean, ph\u1ea7n \u0111\u1ea7u c\u1ee7a l\u00f2 xo s\u1ebd \u0111\u01b0\u1ee3c m\u00e0i d\u1eb9p \u0111\u1ec3 d\u1ec5 d\u00e0ng \u0111\u01b0a v\u00e0o v\u00f9ng k\u1ebf hai r\u0103ng.<\/li>\n<li>B\u1ee5ng l\u00f2 xo \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf kho\u1ea3ng gi\u1eefa c\u1ee7a hai c\u00e1nh tay theo chi\u1ec1u g\u1ea7n xa, ho\u1eb7c h\u01a1i ra tr\u01b0\u1edbc m\u1ed9t ch\u00fat. N\u1ebfu l\u00f2 xo \u0111\u1eb7t qu\u00e1 l\u00f9i v\u1ec1 ph\u00eda sau, di chuy\u1ec3n c\u1ee7a \u0111\u1ea7u t\u1ef1 do l\u00f2 xo c\u00f3 khuynh h\u01b0\u1edbng \u0111i xu\u1ed1ng h\u01a1n l\u00e0 di ra sau. V\u00ec v\u1eady, tr\u01b0\u1eddng h\u1ee3p r\u0103ng nanh qu\u00e1 cao \u1edf \u0111\u00e1y h\u00e0nh lang c\u1ea7n ch\u00fa \u00fd c\u00e1nh tay ph\u00eda g\u1ea7n c\u1ee7a l\u00f2 xo ph\u1ea3i ng\u1eafn v\u00e0 b\u1ee5ng l\u00f2 xo kh\u00f4ng \u0111\u1eb7t l\u00f9i ra sau qu\u00e1.<\/li>\n<li>\u0110\u1ea7u t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u00f2 xo n\u00ean \u0111\u1eb7t ngay ho\u1eb7c tr\u00ean \u0111i\u1ec3m ti\u1ebfp x\u00fac c\u1ee7a r\u0103ng. N\u1ebfu \u0111\u1eb7t b\u00ean d\u01b0\u1edbi \u0111i\u1ec3m ti\u1ebfp x\u00fac, l\u00f2 xo d\u1ec5 tr\u01b0\u1ee3t xu\u1ed1ng tri\u1ec1n g\u1ea7n c\u1ee7a r\u0103ng nanh v\u00e0 tr\u1edf n\u00ean v\u00f4 hi\u1ec7u.<\/li>\n<\/ul>\n<p><strong>C\u00e1ch b\u1ebb<\/strong><\/p>\n<ul>\n<li>\u0110\u01b0\u1eddng k\u00ednh d\u00e2y 0,7mm.<\/li>\n<li>C\u00e1nh tay h\u1edf ni\u00eam m\u1ea1c m\u1eb7t ngo\u00e0i r\u0103ng nanh 0,5-1mm, c\u0169ng kh\u00f4ng \u0111\u01b0a h\u1edf ra m\u1eb7t ngo\u00e0i n\u01b0\u1edbu nhi\u1ec1u s\u1ebd g\u00e2y lo\u00e9t ni\u00eam m\u1ea1c m\u00f4i.<\/li>\n<li>B\u1ee5ng l\u00f2 xo c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 2 &#8211; 3mm, n\u1eb1m g\u1ea7n \u0111\u00e1y h\u00e0nh lang v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c s\u00e1t ni\u00eam m\u1ea1c.<\/li>\n<li>Ph\u1ea7n n\u1ed1i gi\u1eefa c\u00e1nh tay ph\u00eda xa v\u00e0 ch\u00e2n l\u00f2 xo \u0111\u01b0\u1ee3c b\u1ebb \u00f4m s\u00e1t m\u1eb7t g\u1ea7n c\u1ee7a r\u0103ng c\u1ed1i nh\u1ecf nh\u01b0 m\u1ed9t c\u00e2y ch\u1eb7n ng\u0103n r\u0103ng c\u1ed1i nh\u1ecf kh\u00f4ng di g\u1ea7n.<\/li>\n<li>Ch\u00e2n l\u00f2 xo \u0111\u01b0\u1ee3c b\u1ebb h\u1edf ni\u00eam m\u1ea1c 0,5 &#8211; 1mm v\u00e0 s\u1ebd \u0111\u01b0\u1ee3c ph\u1ee7 trong nh\u1ef1a ho\u00e0n to\u00e0n.<\/li>\n<\/ul>\n<p>M\u1ed9t s\u1ed1 d\u1ea1ng l\u00f2 xo di r\u0103ng nanh l\u1ec7ch ngo\u00e0i \u00edt th\u00f4ng d\u1ee5ng kh\u00e1c (H\u00ecnh 14).<\/p>\n<figure id=\"attachment_33408\" aria-describedby=\"caption-attachment-33408\" style=\"width: 1069px\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-33408\" src=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-230.png\" alt=\"\" width=\"1069\" height=\"383\" srcset=\"http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-230.png 1069w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-230-300x107.png 300w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-230-1024x367.png 1024w, http:\/\/noithathoaphat.in\/ctv\/wp-content\/uploads\/2023\/05\/Untitled-230-768x275.png 768w\" sizes=\"(max-width: 1069px) 100vw, 1069px\" \/><figcaption id=\"caption-attachment-33408\" class=\"wp-caption-text\">H\u00ecnh 15: Bi\u1ebfn th\u1ec3 c\u1ee7a l\u00f2 xo di xa r\u0103ng nanh l\u1ec7ch ngo\u00e0i.<\/figcaption><\/figure>\n<p><strong>C\u00f4ng d\u1ee5ng<\/strong><\/p>\n<ul>\n<li>L\u00f2 xo n\u00e0y ch\u1ee7 y\u1ebfu di xa r\u0103ng nanh l\u1ec7ch ngo\u00e0i v\u00e0o trong v\u00e0 xu\u1ed1ng d\u01b0\u1edbi. Tr\u01b0\u1eddng h\u1ee3p r\u0103ng nanh n\u1eb1m cao \u1edf \u0111\u00e1y h\u00e0nh lang v\u00e0 n\u1eb1m ph\u1ee7 l\u00ean m\u1eb7t ngo\u00e0i c\u1ee7a r\u0103ng c\u1eeda b\u00ean, kh\u00f4ng th\u1ec3 d\u00f9ng l\u00f2 xo ng\u00f3n tay ph\u00eda kh\u1ea9u c\u00e1i \u0111\u1ec3 di r\u0103ng \u0111\u01b0\u1ee3c v\u00ec l\u00f2 xo kh\u00f4ng th\u1ec3 g\u00e0i v\u00e0o ti\u1ebfp \u0111i\u1ec3m ph\u00eda g\u1ea7n c\u1ee7a r\u0103ng nanh. V\u00ec v\u1eady b\u1eaft bu\u1ed9c \u0111\u1eb7t l\u00f2 xo \u1edf \u0111\u00e1y h\u00e0nh lang.<\/li>\n<li>Di g\u1ea7n r\u0103ng nanh \u00edt ch\u1ec9 \u0111\u1ecbnh h\u01a1n.<\/li>\n<li>Khi t\u00e1c \u0111\u1ed9ng, l\u00f2 xo ph\u1ea3i \u0111\u1eb7t ch\u00ednh x\u00e1c ngay tr\u00ean ti\u1ebfp \u0111i\u1ec3m c\u1ee7a r\u0103ng nanh v\u00e0 t\u00e1ch \u0111\u1ed9ng c\u0103ng l\u00f2 xo kh\u00f4ng qu\u00e1 2-2,5mm.<\/li>\n<li>\u0110\u1ed9 di chuy\u1ec3n c\u1ee7a l\u00f2 xo n\u00e0y th\u01b0\u1eddng r\u1ea5t h\u1ea1n ch\u1ebf, trung b\u00ecnh di r\u0103ng \u0111\u01b0\u1ee3c kho\u1ea3ng 1\/3 chi\u1ec1u g\u1ea7n xa c\u1ee7a r\u0103ng.<\/li>\n<li>L\u00f2 xo n\u00e0y g\u00e2y v\u01b0\u1edbng c\u1ed9m ph\u00eda m\u00e1 nhi\u1ec1u n\u00ean \u0111\u1ed1i v\u1edbi r\u0103ng nanh b\u1ecb l\u1ec7ch ngo\u00e0i, sau khi d\u00f9ng l\u00f2 xo m\u1ed9t th\u1eddi gian, n\u00ean \u0111\u1ed5i l\u00f2 xo v\u00e0 r\u0103ng \u0111\u01b0\u1ee3c di ti\u1ebfp t\u1ee5c b\u1eb1ng l\u00f2 xo ng\u00f3n tay.<\/li>\n<\/ul>\n<p><em>Ngu\u1ed3n tham kh\u1ea3o: <\/em><em>S\u00e1ch ch\u1ec9nh h\u00ecnh r\u0103ng m\u1eb7t, kh\u00ed c\u1ee5 th\u00e1o l\u1eafp &#8211;\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":"<p>B\u00e0i vi\u1ebft n\u00e0y t\u1eadp trung ch\u1ee7 y\u1ebfu v\u00e0o c\u00e1c d\u1ea1ng kh\u00ed c\u1ee5 l\u00f2 xo th\u01b0\u1eddng s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh ch\u1ec9nh h\u00ecnh th\u00e1o l\u1eafp. C\u00e1c lo\u1ea1i \u0111\u00f3 bao g\u1ed3m l\u00f2 xo ng\u00f3n tay, l\u00f2 xo Z v\u00e0 l\u00f2 xo di xa r\u0103ng nanh l\u1ec7ch ngo\u00e0i. C\u00f9ng t\u00ecm hi\u1ec3u k\u1ef9 h\u01a1n trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y. [&hellip;]<\/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":"<!-- This site is optimized with the Yoast SEO plugin v20.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00e1c d\u1ea1ng kh\u00ed c\u1ee5 l\u00f2 xo th\u01b0\u1eddng s\u1eed d\u1ee5ng trong ch\u1ec9nh h\u00ecnh th\u00e1o l\u1eafp.<\/title>\n<meta name=\"description\" content=\"B\u00e0i vi\u1ebft n\u00e0y t\u1eadp trung ch\u1ee7 y\u1ebfu v\u00e0o c\u00e1c d\u1ea1ng kh\u00ed c\u1ee5 l\u00f2 xo th\u01b0\u1eddng s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh ch\u1ec9nh h\u00ecnh th\u00e1o l\u1eafp. 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