{"id":47556,"date":"2023-04-22T00:12:38","date_gmt":"2023-04-22T05:12:38","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-make-ultrasonic-transducer\/"},"modified":"2025-01-21T07:20:36","modified_gmt":"2025-01-21T12:20:36","slug":"how-to-make-ultrasonic-transducer","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-make-ultrasonic-transducer\/","title":{"rendered":"Ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft"},"content":{"rendered":"

Vi\u1ec7c ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m, m\u1eb7c d\u00f9 nghe c\u00f3 v\u1ebb ph\u1ee9c t\u1ea1p, nh\u01b0ng v\u1edbi s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n, b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 t\u1ef1 tay l\u00e0m m\u1ed9t chi\u1ebfc \u0111\u1ea7u d\u00f2 \u0111\u01a1n gi\u1ea3n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch ch\u1ebf t\u1ea1o m\u1ed9t \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m c\u01a1 b\u1ea3n.<\/p>\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m<\/h3>\n

\u0110\u1ea7u d\u00f2 si\u00eau \u00e2m ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n. Hi\u1ec7u \u1ee9ng n\u00e0y cho ph\u00e9p m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u, nh\u01b0 g\u1ed1m \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 v\u00e0o v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n, n\u00f3 s\u1ebd t\u1ea1o ra m\u1ed9t \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u.<\/p>\n

V\u1eadt li\u1ec7u c\u1ea7n chu\u1ea9n b\u1ecb<\/h3>\n

\u0110\u1ec3 ch\u1ebf t\u1ea1o m\u1ed9t \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m \u0111\u01a1n gi\u1ea3n, b\u1ea1n c\u1ea7n chu\u1ea9n b\u1ecb nh\u1eefng v\u1eadt li\u1ec7u sau:<\/p>\n\n\n\n\n\n\n\n\n\n
V\u1eadt li\u1ec7u<\/th>\nM\u00f4 t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n
G\u1ed1m \u00e1p \u0111i\u1ec7n<\/td>\nC\u00f3 th\u1ec3 mua t\u1ea1i c\u00e1c c\u1eeda h\u00e0ng \u0111i\u1ec7n t\u1eed.<\/td>\n<\/tr>\n
V\u1ecf b\u1ecdc<\/td>\nNh\u1ef1a ho\u1eb7c kim lo\u1ea1i, d\u00f9ng \u0111\u1ec3 b\u1ea3o v\u1ec7 g\u1ed1m \u00e1p \u0111i\u1ec7n.<\/td>\n<\/tr>\n
D\u00e2y d\u1eabn<\/td>\nD\u00f9ng \u0111\u1ec3 k\u1ebft n\u1ed1i g\u1ed1m \u00e1p \u0111i\u1ec7n v\u1edbi m\u1ea1ch \u0111i\u1ec7n.<\/td>\n<\/tr>\n
Keo d\u1eabn \u0111i\u1ec7n<\/td>\nD\u00f9ng \u0111\u1ec3 g\u1eafn k\u1ebft g\u1ed1m \u00e1p \u0111i\u1ec7n v\u1edbi d\u00e2y d\u1eabn.<\/td>\n<\/tr>\n
Ch\u1ea5t k\u1ebft d\u00ednh<\/td>\nD\u00f9ng \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh g\u1ed1m \u00e1p \u0111i\u1ec7n trong v\u1ecf b\u1ecdc.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n<\/h3>\n
    \n
  1. Chu\u1ea9n b\u1ecb g\u1ed1m \u00e1p \u0111i\u1ec7n:<\/strong> C\u1eaft g\u1ed1m \u00e1p \u0111i\u1ec7n th\u00e0nh h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc mong mu\u1ed1n. K\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a g\u1ed1m \u00e1p \u0111i\u1ec7n s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ea7n s\u1ed1 v\u00e0 h\u01b0\u1edbng ph\u00e1t s\u00f3ng si\u00eau \u00e2m.<\/li>\n
  2. G\u1eafn d\u00e2y d\u1eabn:<\/strong> S\u1eed d\u1ee5ng keo d\u1eabn \u0111i\u1ec7n \u0111\u1ec3 g\u1eafn d\u00e2y d\u1eabn v\u00e0o hai m\u1eb7t c\u1ee7a g\u1ed1m \u00e1p \u0111i\u1ec7n. \u0110\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i ch\u1eafc ch\u1eafn v\u00e0 kh\u00f4ng b\u1ecb h\u1edf m\u1ea1ch.<\/li>\n
  3. \u0110\u1eb7t g\u1ed1m \u00e1p \u0111i\u1ec7n v\u00e0o v\u1ecf b\u1ecdc:<\/strong> \u0110\u1eb7t g\u1ed1m \u00e1p \u0111i\u1ec7n \u0111\u00e3 g\u1eafn d\u00e2y d\u1eabn v\u00e0o v\u1ecf b\u1ecdc. S\u1eed d\u1ee5ng ch\u1ea5t k\u1ebft d\u00ednh \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh g\u1ed1m \u00e1p \u0111i\u1ec7n trong v\u1ecf b\u1ecdc. L\u01b0u \u00fd kh\u00f4ng \u0111\u1ec3 ch\u1ea5t k\u1ebft d\u00ednh ch\u1ea1m v\u00e0o ph\u1ea7n d\u00e2y d\u1eabn.<\/li>\n
  4. Ho\u00e0n thi\u1ec7n \u0111\u1ea7u d\u00f2:<\/strong> Sau khi ch\u1ea5t k\u1ebft d\u00ednh kh\u00f4, \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m \u0111\u00e3 ho\u00e0n th\u00e0nh. Ki\u1ec3m tra l\u1ea1i c\u00e1c k\u1ebft n\u1ed1i v\u00e0 \u0111\u1ea3m b\u1ea3o m\u1ecdi th\u1ee9 \u0111\u01b0\u1ee3c g\u1eafn ch\u1eafc ch\u1eafn.<\/li>\n<\/ol>\n

    Ki\u1ec3m tra ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ea7u d\u00f2<\/h3>\n

    \u0110\u1ec3 ki\u1ec3m tra ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ea7u d\u00f2, b\u1ea1n c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i n\u00f3 v\u1edbi m\u1ed9t m\u1ea1ch \u0111i\u1ec7n t\u1ea1o s\u00f3ng si\u00eau \u00e2m. Quan s\u00e1t xem \u0111\u1ea7u d\u00f2 c\u00f3 ph\u00e1t ra s\u00f3ng si\u00eau \u00e2m hay kh\u00f4ng. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m kh\u00e1c \u0111\u1ec3 thu nh\u1eadn s\u00f3ng si\u00eau \u00e2m do \u0111\u1ea7u d\u00f2 t\u1ef1 ch\u1ebf t\u1ea1o ph\u00e1t ra.<\/p>\n

    Vi\u1ec7c ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m \u0111\u00f2i h\u1ecfi s\u1ef1 t\u1ec9 m\u1ec9 v\u00e0 c\u1ea9n th\u1eadn trong t\u1eebng b\u01b0\u1edbc. Tuy nhi\u00ean, b\u1eb1ng c\u00e1ch l\u00e0m theo c\u00e1c h\u01b0\u1edbng d\u1eabn tr\u00ean, b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 t\u1ea1o cho m\u00ecnh m\u1ed9t \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3. Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n nh\u1eefng th\u00f4ng tin h\u1eefu \u00edch v\u1ec1 c\u00e1ch ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Vi\u1ec7c ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m, m\u1eb7c d\u00f9 nghe c\u00f3 v\u1ebb ph\u1ee9c t\u1ea1p, nh\u01b0ng v\u1edbi s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n, b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 t\u1ef1 tay l\u00e0m m\u1ed9t chi\u1ebfc \u0111\u1ea7u d\u00f2 \u0111\u01a1n gi\u1ea3n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch ch\u1ebf t\u1ea1o m\u1ed9t<\/p>\n","protected":false},"author":1,"featured_media":19409,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-47556","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\/47556","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=47556"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/47556\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/19409"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=47556"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=47556"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=47556"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}