{"id":63646,"date":"2022-05-05T02:42:07","date_gmt":"2022-05-05T07:42:07","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/what-is-the-best-frequency-for-ultrasonic-cleaning\/"},"modified":"2025-01-27T06:17:23","modified_gmt":"2025-01-27T11:17:23","slug":"what-is-the-best-frequency-for-ultrasonic-cleaning","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/cs\/what-is-the-best-frequency-for-ultrasonic-cleaning\/","title":{"rendered":"Ultrazvukov\u00e9 \u010di\u0161t\u011bn\u00ed: Optim\u00e1ln\u00ed frekvence"},"content":{"rendered":"<p>Ultrazvukov\u00e9 \u010di\u0161t\u011bn\u00ed je efektivn\u00ed metoda pro odstra\u0148ov\u00e1n\u00ed ne\u010distot z r\u016fzn\u00fdch materi\u00e1l\u016f.  Nicm\u00e9n\u011b, dosa\u017een\u00ed optim\u00e1ln\u00edch v\u00fdsledk\u016f z\u00e1vis\u00ed na mnoha faktorech, p\u0159i\u010dem\u017e frekvence ultrazvuku hraje kl\u00ed\u010dovou roli.  Neexistuje univerz\u00e1ln\u00ed odpov\u011b\u010f na ot\u00e1zku, jak\u00e1 frekvence je &quot;nejlep\u0161\u00ed&quot;, jeliko\u017e optim\u00e1ln\u00ed volba z\u00e1vis\u00ed na konkr\u00e9tn\u00ed aplikaci, druhu ne\u010distot a materi\u00e1lu, kter\u00fd se \u010dist\u00ed.  Tento \u010dl\u00e1nek se zam\u011b\u0159\u00ed na detailn\u011bj\u0161\u00ed rozbor faktor\u016f ovliv\u0148uj\u00edc\u00edch v\u00fdb\u011br frekvence a poskytne vod\u00edtka pro jej\u00ed optim\u00e1ln\u00ed volbu.<\/p>\n<h3>Vliv frekvence na \u00fa\u010dinnost \u010di\u0161t\u011bn\u00ed<\/h3>\n<p>Frekvence ultrazvuku se m\u011b\u0159\u00ed v kiloherzech (kHz).  Ni\u017e\u0161\u00ed frekvence (nap\u0159. 25-40 kHz) generuj\u00ed siln\u011bj\u0161\u00ed kavitaci, tedy implozi bublin v \u010distic\u00ed l\u00e1zni, kter\u00e1 m\u00e1 v\u011bt\u0161\u00ed s\u00edlu na odstra\u0148ov\u00e1n\u00ed hrub\u00fdch ne\u010distot a v\u011bt\u0161\u00edch \u010d\u00e1stic.  Naopak vy\u0161\u0161\u00ed frekvence (nap\u0159. 100-200 kHz) vytv\u00e1\u0159ej\u00ed jemn\u011bj\u0161\u00ed kavitaci, kter\u00e1 je efektivn\u011bj\u0161\u00ed pro \u010di\u0161t\u011bn\u00ed slo\u017eit\u00fdch tvar\u016f a jemn\u00fdch detail\u016f,  a pro odstra\u0148ov\u00e1n\u00ed men\u0161\u00edch \u010d\u00e1stic a zne\u010di\u0161t\u011bn\u00ed z povrch\u016f s mal\u00fdmi p\u00f3ry.<\/p>\n<h3>Volba frekvence v z\u00e1vislosti na materi\u00e1lu<\/h3>\n<p>Volba optim\u00e1ln\u00ed frekvence je siln\u011b ovlivn\u011bna materi\u00e1lem, kter\u00fd se \u010dist\u00ed. K\u0159ehk\u00e9 materi\u00e1ly, jako je nap\u0159\u00edklad sklo nebo keramika, vy\u017eaduj\u00ed jemn\u011bj\u0161\u00ed kavitaci a t\u00edm p\u00e1dem vy\u0161\u0161\u00ed frekvence, aby se p\u0159ede\u0161lo po\u0161kozen\u00ed.  Odoln\u011bj\u0161\u00ed materi\u00e1ly, jako jsou kovy, sn\u00e1\u0161\u00ed i siln\u011bj\u0161\u00ed kavitaci ni\u017e\u0161\u00edch frekvenc\u00ed.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Materi\u00e1l<\/th>\n<th>Doporu\u010den\u00e1 frekvence (kHz)<\/th>\n<th>Pozn\u00e1mka<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Kovy<\/td>\n<td>25-40, 100-200<\/td>\n<td>Z\u00e1vis\u00ed na typu kovu a stupni zne\u010di\u0161t\u011bn\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Sklo<\/td>\n<td>100-200<\/td>\n<td>Vy\u0161\u0161\u00ed frekvence pro minimalizaci po\u0161kozen\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Keramika<\/td>\n<td>100-200<\/td>\n<td>Vy\u0161\u0161\u00ed frekvence pro minimalizaci po\u0161kozen\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Plast<\/td>\n<td>40-80, 100-200<\/td>\n<td>Z\u00e1vis\u00ed na typu plastu a jeho odolnosti<\/td>\n<\/tr>\n<tr>\n<td>Jemn\u00e9 mechanismy<\/td>\n<td>100-200<\/td>\n<td>Nutn\u00e1 jemn\u00e1 kavitce pro ochranu detail\u016f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Vliv typu ne\u010distot<\/h3>\n<p>Druh ne\u010distot je dal\u0161\u00edm kl\u00ed\u010dov\u00fdm faktorem.  Hrub\u00e9 ne\u010distoty a usazeniny l\u00e9pe odstran\u00ed ni\u017e\u0161\u00ed frekvence, zat\u00edmco jemn\u00e9 ne\u010distoty, oleje a mastnoty vy\u017eaduj\u00ed vy\u0161\u0161\u00ed frekvence pro efektivn\u00ed \u010di\u0161t\u011bn\u00ed.  V n\u011bkter\u00fdch p\u0159\u00edpadech m\u016f\u017ee b\u00fdt v\u00fdhodn\u00e9 kombinovat r\u016fzn\u00e9 frekvence pro dosa\u017een\u00ed optim\u00e1ln\u00edho v\u00fdsledku.<\/p>\n<h3>\u00daloha intenzity a doby \u010di\u0161t\u011bn\u00ed<\/h3>\n<p>Krom\u011b frekvence je d\u016fle\u017eit\u00e1 i intenzita ultrazvuku a doba \u010di\u0161t\u011bn\u00ed.  P\u0159\u00edli\u0161 vysok\u00e1 intenzita m\u016f\u017ee po\u0161kodit \u010di\u0161t\u011bn\u00fd materi\u00e1l, zat\u00edmco p\u0159\u00edli\u0161 n\u00edzk\u00e1 intenzita nevede k efektivn\u00edmu \u010di\u0161t\u011bn\u00ed.  Doba \u010di\u0161t\u011bn\u00ed by m\u011bla b\u00fdt optimalizov\u00e1na podle typu ne\u010distot a materi\u00e1lu.<\/p>\n<h3>Z\u00e1v\u011br<\/h3>\n<p>V\u00fdb\u011br optim\u00e1ln\u00ed frekvence pro ultrazvukov\u00e9 \u010di\u0161t\u011bn\u00ed je kompromisem mezi silou kavitace a ochranou \u010di\u0161t\u011bn\u00e9ho materi\u00e1lu.  Neexistuje univerz\u00e1ln\u00ed nejlep\u0161\u00ed frekvence.  Optim\u00e1ln\u00ed volba z\u00e1vis\u00ed na konkr\u00e9tn\u00ed aplikaci, typu ne\u010distot a materi\u00e1lu, kter\u00fd se \u010dist\u00ed.  Pro dosa\u017een\u00ed nejlep\u0161\u00edch v\u00fdsledk\u016f je nutn\u00e9 zv\u00e1\u017eit v\u0161echny relevantn\u00ed faktory a p\u0159\u00edpadn\u011b experimentovat s r\u016fzn\u00fdmi frekvencemi a intenzitami.  Zku\u0161enosti a znalosti jsou kl\u00ed\u010dov\u00e9 pro efektivn\u00ed vyu\u017eit\u00ed ultrazvukov\u00e9ho \u010di\u0161t\u011bn\u00ed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ultrazvukov\u00e9 \u010di\u0161t\u011bn\u00ed je efektivn\u00ed metoda pro odstra\u0148ov\u00e1n\u00ed ne\u010distot z r\u016fzn\u00fdch materi\u00e1l\u016f. Nicm\u00e9n\u011b, dosa\u017een\u00ed optim\u00e1ln\u00edch v\u00fdsledk\u016f z\u00e1vis\u00ed na mnoha faktorech, p\u0159i\u010dem\u017e frekvence ultrazvuku hraje kl\u00ed\u010dovou roli. Neexistuje univerz\u00e1ln\u00ed odpov\u011b\u010f na ot\u00e1zku, jak\u00e1 frekvence je &quot;nejlep\u0161\u00ed&quot;, jeliko\u017e optim\u00e1ln\u00ed volba z\u00e1vis\u00ed na konkr\u00e9tn\u00ed aplikaci, druhu ne\u010distot a materi\u00e1lu, kter\u00fd se \u010dist\u00ed. Tento \u010dl\u00e1nek se zam\u011b\u0159\u00ed na detailn\u011bj\u0161\u00ed rozbor<\/p>\n","protected":false},"author":1,"featured_media":20129,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6415],"tags":[],"class_list":["post-63646","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/63646","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/comments?post=63646"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/63646\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media\/20129"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media?parent=63646"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/categories?post=63646"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/tags?post=63646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}