Vi\u1ec7c t\u1ef1 ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 b\u1ec1 m\u1eb7t (surface transducer) c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t d\u1ef1 \u00e1n th\u00fa v\u1ecb v\u00e0 h\u1eefu \u00edch cho nh\u1eefng ng\u01b0\u1eddi \u0111am m\u00ea \u0111i\u1ec7n t\u1eed v\u00e0 si\u00eau \u00e2m. Tuy nhi\u00ean, qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u00f2i h\u1ecfi s\u1ef1 t\u1ec9 m\u1ec9, ki\u1ebfn th\u1ee9c v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ea7u d\u00f2 v\u00e0 k\u1ef9 n\u0103ng th\u1ef1c h\u00e0nh nh\u1ea5t \u0111\u1ecbnh. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch t\u1ef1 ch\u1ebf t\u1ea1o m\u1ed9t \u0111\u1ea7u d\u00f2 b\u1ec1 m\u1eb7t \u0111\u01a1n gi\u1ea3n.<\/p>\n
\u0110\u1ea7u d\u00f2 b\u1ec1 m\u1eb7t ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n, bi\u1ebfn \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n th\u00e0nh n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc d\u01b0\u1edbi d\u1ea1ng s\u00f3ng si\u00eau \u00e2m v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. Khi \u00e1p m\u1ed9t \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u v\u00e0o v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n, n\u00f3 s\u1ebd dao \u0111\u1ed9ng v\u00e0 t\u1ea1o ra s\u00f3ng si\u00eau \u00e2m. Ng\u01b0\u1ee3c l\u1ea1i, khi s\u00f3ng si\u00eau \u00e2m t\u00e1c \u0111\u1ed9ng l\u00ean v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n, n\u00f3 s\u1ebd t\u1ea1o ra m\u1ed9t \u0111i\u1ec7n \u00e1p. \u0110\u1ea7u d\u00f2 b\u1ec1 m\u1eb7t th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m tra c\u00e1c v\u1eadt li\u1ec7u c\u00f3 b\u1ec1 m\u1eb7t ph\u1eb3ng, ph\u00e1t hi\u1ec7n khuy\u1ebft t\u1eadt, \u0111o \u0111\u1ed9 d\u00e0y v\u00e0 nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c.<\/p>\n
\u0110\u1ec3 t\u1ef1 ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 b\u1ec1 m\u1eb7t, b\u1ea1n c\u1ea7n chu\u1ea9n b\u1ecb c\u00e1c v\u1eadt li\u1ec7u sau:<\/p>\n
Chu\u1ea9n b\u1ecb v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n:<\/strong> C\u1eaft v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n th\u00e0nh h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc mong mu\u1ed1n. \u0110\u1ed9 d\u00e0y c\u1ee7a v\u1eadt li\u1ec7u s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng c\u1ee7a \u0111\u1ea7u d\u00f2.<\/p>\n<\/li>\n G\u1eafn k\u1ebft v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n:<\/strong> D\u00f9ng ch\u1ea5t k\u1ebft d\u00ednh \u0111\u1ec3 g\u1eafn v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n v\u00e0o v\u1ecf b\u1ecdc. \u0110\u1ea3m b\u1ea3o ti\u1ebfp x\u00fac t\u1ed1t gi\u1eefa v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n v\u00e0 v\u1ecf b\u1ecdc.<\/p>\n<\/li>\n K\u1ebft n\u1ed1i d\u00e2y d\u1eabn:<\/strong> H\u00e0n d\u00e2y d\u1eabn v\u00e0o c\u00e1c \u0111i\u1ec7n c\u1ef1c c\u1ee7a v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n. <\/p>\n<\/li>\n Ki\u1ec3m tra \u0111\u1ea7u d\u00f2:<\/strong> S\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng \u0111\u1ec3 ki\u1ec3m tra \u0111i\u1ec7n tr\u1edf gi\u1eefa c\u00e1c d\u00e2y d\u1eabn. Sau \u0111\u00f3, s\u1eed d\u1ee5ng m\u00e1y ph\u00e1t xung \u0111\u1ec3 ki\u1ec3m tra ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ea7u d\u00f2.<\/p>\n<\/li>\n<\/ol>\n Sau khi ho\u00e0n th\u00e0nh vi\u1ec7c ch\u1ebf t\u1ea1o, c\u1ea7n ki\u1ec3m tra v\u00e0 hi\u1ec7u ch\u1ec9nh \u0111\u1ea7u d\u00f2 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang nh\u01b0 mong mu\u1ed1n. S\u1eed d\u1ee5ng m\u00e1y ph\u00e1t xung v\u00e0 m\u00e1y hi\u1ec7n s\u00f3ng \u0111\u1ec3 \u0111o t\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng v\u00e0 \u0111\u1ed9 nh\u1ea1y c\u1ee7a \u0111\u1ea7u d\u00f2. N\u1ebfu c\u1ea7n thi\u1ebft, c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 d\u00e0y c\u1ee7a v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n ho\u1eb7c thay \u0111\u1ed5i ch\u1ea5t k\u1ebft d\u00ednh \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u1ed1t nh\u1ea5t.<\/p>\n \u0110\u1ea7u d\u00f2 b\u1ec1 m\u1eb7t t\u1ef1 ch\u1ebf c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau, bao g\u1ed3m:<\/p>\n Vi\u1ec7c t\u1ef1 ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 b\u1ec1 m\u1eb7t \u0111\u00f2i h\u1ecfi s\u1ef1 ki\u00ean nh\u1eabn v\u00e0 t\u1ec9 m\u1ec9. Tuy nhi\u00ean, v\u1edbi nh\u1eefng h\u01b0\u1edbng d\u1eabn tr\u00ean, b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 t\u1ef1 t\u1ea1o ra m\u1ed9t \u0111\u1ea7u d\u00f2 b\u1ec1 m\u1eb7t ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh. L\u01b0u \u00fd r\u1eb1ng hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u1ea7u d\u00f2 t\u1ef1 ch\u1ebf c\u00f3 th\u1ec3 kh\u00f4ng b\u1eb1ng c\u00e1c \u0111\u1ea7u d\u00f2 th\u01b0\u01a1ng m\u1ea1i, nh\u01b0ng n\u00f3 v\u1eabn l\u00e0 m\u1ed9t d\u1ef1 \u00e1n th\u00fa v\u1ecb v\u00e0 h\u1eefu \u00edch \u0111\u1ec3 h\u1ecdc h\u1ecfi v\u00e0 tr\u1ea3i nghi\u1ec7m v\u1ec1 c\u00f4ng ngh\u1ec7 si\u00eau \u00e2m.<\/p>\n","protected":false},"excerpt":{"rendered":" Vi\u1ec7c t\u1ef1 ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 b\u1ec1 m\u1eb7t (surface transducer) c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t d\u1ef1 \u00e1n th\u00fa v\u1ecb v\u00e0 h\u1eefu \u00edch cho nh\u1eefng ng\u01b0\u1eddi \u0111am m\u00ea \u0111i\u1ec7n t\u1eed v\u00e0 si\u00eau \u00e2m. Tuy nhi\u00ean, qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u00f2i h\u1ecfi s\u1ef1 t\u1ec9 m\u1ec9, ki\u1ebfn th\u1ee9c v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ea7u d\u00f2 v\u00e0 k\u1ef9 n\u0103ng th\u1ef1c<\/p>\n","protected":false},"author":1,"featured_media":26941,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-51892","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/51892","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/comments?post=51892"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/51892\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/26941"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=51892"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=51892"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=51892"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}B\u1ea3ng so s\u00e1nh c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n<\/h3>\n
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\n \nV\u1eadt li\u1ec7u<\/th>\n T\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng<\/th>\n \u0110\u1ed9 nh\u1ea1y<\/th>\n Gi\u00e1 th\u00e0nh<\/th>\n<\/tr>\n<\/thead>\n \n PZT-4<\/td>\n Cao<\/td>\n Cao<\/td>\n Trung b\u00ecnh<\/td>\n<\/tr>\n \n PZT-5A<\/td>\n Trung b\u00ecnh<\/td>\n Trung b\u00ecnh<\/td>\n Th\u1ea5p<\/td>\n<\/tr>\n \n PVDF<\/td>\n Th\u1ea5p<\/td>\n Th\u1ea5p<\/td>\n Cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Ki\u1ec3m tra v\u00e0 hi\u1ec7u ch\u1ec9nh<\/h3>\n
\u1ee8ng d\u1ee5ng c\u1ee7a \u0111\u1ea7u d\u00f2 b\u1ec1 m\u1eb7t t\u1ef1 ch\u1ebf<\/h3>\n
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