N\u00f3i chung \u00f4 t\u00f4 \u0111\u1ec1u c\u00f3 b\u1ed1n b\u00e1nh b\u1eb1ng nhau. M\u00e1y k\u00e9o c\u0169ng c\u00f3 b\u1ed1n b\u00e1nh, nh\u01b0ng th\u1eadt k\u00ec l\u1ea1 l\u00e0 hai b\u00e1nh sau to, hai b\u00e1nh tr\u01b0\u1edbc nh\u1ecf. T\u1ea1i sao th\u1ebf?<\/p>\n\n\n\n
L\u00fd do l\u00e0, b\u00e1nh tr\u01b0\u1edbc c\u1ee7a m\u00e1y k\u00e9o ch\u1ee7 y\u1ebfu d\u00f9ng \u0111\u1ec3 d\u1eabn h\u01b0\u1edbng, cho n\u00ean g\u1ecdi l\u00e0 b\u00e1nh d\u1eabn h\u01b0\u1edbng, n\u1ebfu ch\u1ebf t\u1ea1o b\u00e1nh tr\u01b0\u1edbc v\u1eeba to v\u1eeba cao, th\u00ec khi ng\u01b0\u1eddi l\u00e1i cho m\u00e1y chuy\u1ec3n h\u01b0\u1edbng, quay v\u00f2ng, \u0111\u1ec3 kh\u1eafc ph\u1ee5c l\u1ef1c c\u1ea3n c\u1ee7a b\u00e1nh xe s\u1ebd ph\u1ea3i hao t\u1ed1n r\u1ea5t nhi\u1ec1u s\u1ee9c l\u1ef1c, h\u01a1n n\u1eefa \u0111i\u1ec1u khi\u1ec3n c\u0169ng kh\u00f4ng linh ho\u1ea1t. M\u00e1y k\u00e9o th\u01b0\u1eddng l\u00e0m vi\u1ec7c tr\u00ean \u0111\u1ed3ng ru\u1ed9ng, m\u00e0 ch\u1ea5t \u0111\u1ea5t \u1edf \u0111\u1ed3ng ru\u1ed9ng th\u00ec m\u1ec1m x\u1ed1p v\u00e0 l\u1ea1i m\u1ea5p m\u00f4, g\u1eadp gh\u1ec1nh, n\u1ebfu b\u00e1nh tr\u01b0\u1edbc v\u1eeba cao v\u1eeba to, th\u00ec l\u1ef1c c\u1ea3n c\u1ee7a m\u1eb7t \u0111\u1ea5t \u0111\u1ed1i v\u1edbi n\u00f3 s\u1ebd l\u1edbn, nh\u01b0 v\u1eady, m\u00e1y k\u00e9o s\u1ebd hao ph\u00ed r\u1ea5t nhi\u1ec1u \u0111\u1ed9ng l\u1ef1c m\u1ed9t c\u00e1ch v\u00f4 \u00edch.<\/p>\n\n\n\n
B\u00e1nh sau c\u1ee7a m\u00e1y k\u00e9o l\u00e0 b\u00e1nh d\u1eabn \u0111\u1ed9ng. T\u1ee9c l\u00e0 \u0111\u1ed9ng l\u1ef1c c\u1ee7a \u0111\u1ed9ng c\u01a1 tr\u1ef1c ti\u1ebfp truy\u1ec1n cho b\u00e1nh sau, tr\u1ecdng l\u01b0\u1ee3ng \u0111\u1eb7t l\u00ean c\u1ee7a n\u00f3 c\u0169ng l\u1edbn h\u01a1n b\u00e1nh tr\u01b0\u1edbc. Khi m\u00e1y k\u00e9o l\u00e0m vi\u1ec7c \u1edf \u0111\u1ed3ng ru\u1ed9ng, c\u00f2n lu\u00f4n lu\u00f4n k\u00e9o theo m\u00e1y n\u00f4ng nghi\u1ec7p nh\u01b0 m\u00e1y gieo h\u1ea1t, m\u00e1y c\u1ea5y, m\u00e1y c\u00e0y, v.v. C\u00e1c lo\u1ea1i m\u00e1y ch\u1ebf t\u1ea1o b\u1eb1ng s\u1eaft th\u00e9p n\u00e0y khi m\u1eafc v\u00e0o m\u00e1y k\u00e9o, m\u1ed9t ph\u1ea7n tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a ch\u00fang s\u1ebd chuy\u1ec3n d\u1ecbch sang m\u00e1y k\u00e9o. B\u1ea3n th\u00e2n m\u00e1y k\u00e9o r\u1ea5t n\u1eb7ng, b\u00e2y gi\u1edd l\u1ea1i th\u00eam g\u00e1nh n\u1eb7ng n\u1eefa, tr\u1ecdng t\u00e2m to\u00e0n m\u00e1y s\u1ebd r\u01a1i v\u00e0o b\u00e1nh sau c\u1ee7a m\u00e1y k\u00e9o. Trong tr\u01b0\u1eddng h\u1ee3p \u0111\u00f3, n\u1ebfu b\u00e1nh sau c\u0169ng to b\u1eb1ng b\u00e1nh tr\u01b0\u1edbc, th\u00ec b\u00e1nh sau ch\u1ecbu tr\u1ecdng l\u01b0\u1ee3ng l\u1edbn h\u01a1n b\u00e1nh tr\u01b0\u1edbc nhi\u1ec1u, n\u00f3 s\u1ebd b\u1ecb l\u00fan s\u00e2u v\u00e0o gi\u1eefa \u0111\u00e1m ru\u1ed9ng.<\/p>\n\n\n\n
B\u00e1nh sau l\u00e0m to h\u01a1n, th\u00ec di\u1ec7n ti\u1ebfp x\u00fac v\u1edbi m\u1eb7t \u0111\u1ea5t s\u1ebd l\u1edbn, khi\u1ebfn cho tr\u1ecdng l\u01b0\u1ee3ng t\u00e1c d\u1ee5ng l\u00ean m\u1ed9t \u0111\u01a1n v\u1ecb di\u1ec7n t\u00edch s\u1ebd nh\u1ecf \u0111i, nh\u01b0 v\u1eady tr\u1ecdng l\u01b0\u1ee3ng b\u00ecnh qu\u00e2n \u0111\u1eb7t l\u00ean b\u00e1nh xe tr\u01b0\u1edbc v\u00e0 b\u00e1nh xe sau c\u1ee7a m\u00e1y k\u00e9o m\u1edbi kh\u00f4ng ch\u00eanh l\u1ec7ch nhau qu\u00e1 l\u1edbn. \u0110\u01b0\u01a1ng nhi\u00ean, khi b\u00e1nh sau \u0111\u00f3 to h\u01a1n, th\u00ec l\u1ef1c c\u1ea3n c\u1ee7a n\u00f3 ph\u1ea3i ch\u1ecbu c\u0169ng t\u0103ng l\u00ean, tuy nhi\u00ean, \u0111\u00f3 l\u00e0 do y\u00eau c\u1ea7u v\u1ec1 “tr\u00e1ch nhi\u1ec7m” m\u00e0 n\u00f3 ph\u1ea3i g\u00e1nh ch\u1ecbu.<\/p>\n\n\n\n
Ngo\u00e0i ra, so v\u1edbi nh\u1eefng \u00f4 t\u00f4 c\u00f9ng c\u00f4ng su\u1ea5t, t\u1ed1c \u0111\u1ed9 c\u1ee7a m\u00e1y k\u00e9o kh\u00f4ng \u0111\u00f2i h\u1ecfi ph\u1ea3i cao, thay v\u00e0o \u0111\u00f3 l\u00e0 c\u1ea7n l\u1ea5y l\u1ef1c k\u00e9o l\u1edbn. Do \u0111\u00f3, c\u00f9ng m\u1ed9t v\u1eadt n\u1eb7ng nh\u01b0 nhau, \u00f4 t\u00f4 kh\u00f4ng k\u00e9o \u0111\u01b0\u1ee3c, nh\u01b0ng m\u00e1y k\u00e9o c\u00f9ng c\u00f4ng su\u1ea5t l\u1ea1i k\u00e9o \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
T\u1eeb kh\u00f3a: M\u00e1y k\u00e9o; B\u00e1nh \u0111\u1ecbnh h\u01b0\u1edbng; B\u00e1nh k\u00e9o; L\u1ef1c k\u00e9o<\/p>\n","protected":false},"excerpt":{"rendered":"
N\u00f3i chung \u00f4 t\u00f4 \u0111\u1ec1u c\u00f3 b\u1ed1n b\u00e1nh b\u1eb1ng nhau. M\u00e1y k\u00e9o c\u0169ng c\u00f3 b\u1ed1n b\u00e1nh, nh\u01b0ng th\u1eadt k\u00ec l\u1ea1 l\u00e0 hai b\u00e1nh sau to, hai b\u00e1nh tr\u01b0\u1edbc nh\u1ecf. T\u1ea1i sao th\u1ebf? L\u00fd do l\u00e0, b\u00e1nh tr\u01b0\u1edbc c\u1ee7a m\u00e1y k\u00e9o ch\u1ee7 y\u1ebfu d\u00f9ng \u0111\u1ec3 d\u1eabn h\u01b0\u1edbng, cho n\u00ean g\u1ecdi l\u00e0 b\u00e1nh d\u1eabn h\u01b0\u1edbng, n\u1ebfu ch\u1ebf […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,16],"tags":[],"class_list":["post-8760","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-ky-thuat"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8760","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=8760"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8760\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8760"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8760"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8760"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}