{"id":56741,"date":"2024-04-10T11:45:14","date_gmt":"2024-04-10T16:45:14","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/troubleshooting-common-ultrasonic-welding-defects\/"},"modified":"2025-01-27T06:15:28","modified_gmt":"2025-01-27T11:15:28","slug":"troubleshooting-common-ultrasonic-welding-defects","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/cs\/troubleshooting-common-ultrasonic-welding-defects\/","title":{"rendered":"Odstran\u011bn\u00ed chyb ultrazvukov\u00e9ho sva\u0159ov\u00e1n\u00ed"},"content":{"rendered":"<p>Ultrazvukov\u00e9 sva\u0159ov\u00e1n\u00ed je vysoce efektivn\u00ed metoda spojov\u00e1n\u00ed materi\u00e1l\u016f, kter\u00e1 nach\u00e1z\u00ed \u0161irok\u00e9 uplatn\u011bn\u00ed v r\u016fzn\u00fdch pr\u016fmyslov\u00fdch odv\u011btv\u00edch.  P\u0159esto se i p\u0159i pe\u010dliv\u00e9 p\u0159\u00edprav\u011b a prov\u00e1d\u011bn\u00ed procesu mohou objevit defekty.  Pochopen\u00ed p\u0159\u00ed\u010din t\u011bchto defekt\u016f a zp\u016fsob\u016f jejich n\u00e1pravy je kl\u00ed\u010dov\u00e9 pro dosa\u017een\u00ed vysok\u00e9 kvality a spolehlivosti svar\u016f.  Tento \u010dl\u00e1nek se zam\u011b\u0159\u00ed na b\u011b\u017en\u00e9 probl\u00e9my a jejich \u0159e\u0161en\u00ed.<\/p>\n<p>Nedostate\u010dn\u00e1 pevnost svaru<\/p>\n<p>Nedostate\u010dn\u00e1 pevnost svaru je jedn\u00edm z nej\u010dast\u011bj\u0161\u00edch probl\u00e9m\u016f.  M\u016f\u017ee b\u00fdt zp\u016fsobena n\u011bkolika faktory, v\u010detn\u011b nedostate\u010dn\u00e9ho tlaku, nedostate\u010dn\u00e9 amplitudy ultrazvuku, nevhodn\u00e9ho \u010dasu sva\u0159ov\u00e1n\u00ed, nebo \u0161patn\u011b zvolen\u00fdch parametr\u016f sva\u0159ov\u00e1n\u00ed pro dan\u00fd materi\u00e1l.  D\u016fle\u017eit\u00e9 je tak\u00e9 spr\u00e1vn\u00e9 nastaven\u00ed sonotrody a kovadliny.  Opot\u0159eben\u00ed sonotrody m\u016f\u017ee tak\u00e9 v\u00e9st k ni\u017e\u0161\u00ed amplitud\u011b a t\u00edm i k oslaben\u00ed svaru.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>P\u0159\u00ed\u010dina<\/th>\n<th>P\u0159\u00edznaky<\/th>\n<th>\u0158e\u0161en\u00ed<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>N\u00edzk\u00fd tlak<\/td>\n<td>Slab\u00fd, k\u0159ehk\u00fd svar<\/td>\n<td>Zv\u00fd\u0161it tlak<\/td>\n<\/tr>\n<tr>\n<td>N\u00edzk\u00e1 amplituda<\/td>\n<td>Slab\u00fd, k\u0159ehk\u00fd svar<\/td>\n<td>Zkontrolovat a upravit nastaven\u00ed amplitudy, zkontrolovat opot\u0159eben\u00ed sonotrody<\/td>\n<\/tr>\n<tr>\n<td>Kr\u00e1tk\u00e1 doba sva\u0159ov\u00e1n\u00ed<\/td>\n<td>Slab\u00fd, ne\u00fapln\u00fd svar<\/td>\n<td>Prodlou\u017eit dobu sva\u0159ov\u00e1n\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Nevhodn\u00e9 parametry sva\u0159ov\u00e1n\u00ed<\/td>\n<td>Slab\u00fd, ne\u00fapln\u00fd svar<\/td>\n<td>Optimalizovat parametry sva\u0159ov\u00e1n\u00ed pro dan\u00fd materi\u00e1l<\/td>\n<\/tr>\n<tr>\n<td>Opot\u0159eben\u00ed sonotrody<\/td>\n<td>Sn\u00ed\u017een\u00e1 amplituda, slab\u00fd svar<\/td>\n<td>Vym\u011bnit sonotrodu<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Nerovnom\u011brn\u00fd svar<\/p>\n<p>Nerovnom\u011brn\u00fd svar se projevuje jako nestejnom\u011brn\u00e9 spojen\u00ed materi\u00e1l\u016f.  P\u0159\u00ed\u010dinou m\u016f\u017ee b\u00fdt nerovnom\u011brn\u00fd tlak, \u0161patn\u00e9 ulo\u017een\u00ed materi\u00e1l\u016f, nebo ne\u010distoty na povrchu materi\u00e1l\u016f.  Kvalita povrchu sva\u0159ovan\u00fdch d\u00edl\u016f je kritick\u00e1.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>P\u0159\u00ed\u010dina<\/th>\n<th>P\u0159\u00edznaky<\/th>\n<th>\u0158e\u0161en\u00ed<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Nerovnom\u011brn\u00fd tlak<\/td>\n<td>Nestejnom\u011brn\u00e9 spojen\u00ed<\/td>\n<td>Zkontrolovat a upravit tlak, pou\u017e\u00edt vhodn\u00e9 up\u00ednac\u00ed za\u0159\u00edzen\u00ed<\/td>\n<\/tr>\n<tr>\n<td>\u0160patn\u00e9 ulo\u017een\u00ed materi\u00e1l\u016f<\/td>\n<td>Nestejnom\u011brn\u00e9 spojen\u00ed<\/td>\n<td>Zkontrolovat a upravit ulo\u017een\u00ed materi\u00e1l\u016f<\/td>\n<\/tr>\n<tr>\n<td>Ne\u010distoty na povrchu materi\u00e1l\u016f<\/td>\n<td>Nestejnom\u011brn\u00e9 spojen\u00ed, p\u00f3ry<\/td>\n<td>D\u016fkladn\u011b vy\u010distit povrchy materi\u00e1l\u016f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>P\u00f3ry ve svaru<\/p>\n<p>P\u00f3ry ve svaru sni\u017euj\u00ed pevnost a t\u011bsnost spoje.  Vznikaj\u00ed v d\u016fsledku uv\u011bzn\u011bn\u00e9ho vzduchu nebo plyn\u016f mezi sva\u0159ovan\u00fdmi materi\u00e1ly.  D\u016fle\u017eit\u00e9 je spr\u00e1vn\u00e9 odvzdu\u0161n\u011bn\u00ed.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>P\u0159\u00ed\u010dina<\/th>\n<th>P\u0159\u00edznaky<\/th>\n<th>\u0158e\u0161en\u00ed<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Uv\u011bzn\u011bn\u00fd vzduch<\/td>\n<td>Dutiny ve svaru<\/td>\n<td>D\u016fkladn\u011b odvzdu\u0161nit<\/td>\n<\/tr>\n<tr>\n<td>Plynn\u00e9 ne\u010distoty v materi\u00e1lu<\/td>\n<td>Dutiny ve svaru<\/td>\n<td>Pou\u017e\u00edt materi\u00e1l s ni\u017e\u0161\u00edm obsahem plyn\u016f<\/td>\n<\/tr>\n<tr>\n<td>N\u00edzk\u00e1 energie sva\u0159ov\u00e1n\u00ed<\/td>\n<td>Nedostate\u010dn\u00e9 protaven\u00ed<\/td>\n<td>Zv\u00fd\u0161it energii sva\u0159ov\u00e1n\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Praskliny ve svaru<\/p>\n<p>Praskliny ve svaru jsou v\u00e1\u017en\u00fdm defektem, kter\u00fd m\u016f\u017ee v\u00e9st k \u00fapln\u00e9mu selh\u00e1n\u00ed spoje.  M\u016f\u017ee b\u00fdt zp\u016fsobeno p\u0159\u00edli\u0161 vysokou teplotou, p\u0159\u00edli\u0161 rychl\u00fdm chlazen\u00edm, nebo vnit\u0159n\u00edm nap\u011bt\u00edm v materi\u00e1lu.  Spr\u00e1vn\u00fd v\u00fdb\u011br materi\u00e1lu je kl\u00ed\u010dov\u00fd.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>P\u0159\u00ed\u010dina<\/th>\n<th>P\u0159\u00edznaky<\/th>\n<th>\u0158e\u0161en\u00ed<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>P\u0159\u00edli\u0161 vysok\u00e1 teplota<\/td>\n<td>Praskliny ve svaru<\/td>\n<td>Sn\u00ed\u017eit energii sva\u0159ov\u00e1n\u00ed, zkr\u00e1tit dobu sva\u0159ov\u00e1n\u00ed<\/td>\n<\/tr>\n<tr>\n<td>P\u0159\u00edli\u0161 rychl\u00e9 chlazen\u00ed<\/td>\n<td>Praskliny ve svaru<\/td>\n<td>Zvolit vhodn\u011bj\u0161\u00ed chlazen\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Vnit\u0159n\u00ed nap\u011bt\u00ed v materi\u00e1lu<\/td>\n<td>Praskliny ve svaru<\/td>\n<td>Zvolit vhodn\u011bj\u0161\u00ed materi\u00e1l<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Z\u00e1v\u011brem lze \u0159\u00edci, \u017ee d\u016fkladn\u00e1 znalost procesu ultrazvukov\u00e9ho sva\u0159ov\u00e1n\u00ed a pochopen\u00ed p\u0159\u00ed\u010din b\u011b\u017en\u00fdch defekt\u016f je kl\u00ed\u010dov\u00e9 pro dosa\u017een\u00ed vysoce kvalitn\u00edch a spolehliv\u00fdch svar\u016f.  Systematick\u00e9 \u0159e\u0161en\u00ed probl\u00e9m\u016f a optimalizace parametr\u016f sva\u0159ov\u00e1n\u00ed vedou k minimalizaci defekt\u016f a zlep\u0161en\u00ed celkov\u00e9 efektivity procesu.  Pravideln\u00e1 \u00fadr\u017eba za\u0159\u00edzen\u00ed, jako je kontrola a v\u00fdm\u011bna sonotrody, je nezbytn\u00e1 pro dlouhodobou spolehlivost procesu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ultrazvukov\u00e9 sva\u0159ov\u00e1n\u00ed je vysoce efektivn\u00ed metoda spojov\u00e1n\u00ed materi\u00e1l\u016f, kter\u00e1 nach\u00e1z\u00ed \u0161irok\u00e9 uplatn\u011bn\u00ed v r\u016fzn\u00fdch pr\u016fmyslov\u00fdch odv\u011btv\u00edch. P\u0159esto se i p\u0159i pe\u010dliv\u00e9 p\u0159\u00edprav\u011b a prov\u00e1d\u011bn\u00ed procesu mohou objevit defekty. Pochopen\u00ed p\u0159\u00ed\u010din t\u011bchto defekt\u016f a zp\u016fsob\u016f jejich n\u00e1pravy je kl\u00ed\u010dov\u00e9 pro dosa\u017een\u00ed vysok\u00e9 kvality a spolehlivosti svar\u016f. Tento \u010dl\u00e1nek se zam\u011b\u0159\u00ed na b\u011b\u017en\u00e9 probl\u00e9my a jejich \u0159e\u0161en\u00ed.<\/p>\n","protected":false},"author":1,"featured_media":24637,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6415],"tags":[],"class_list":["post-56741","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\/56741","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=56741"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/56741\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media\/24637"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media?parent=56741"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/categories?post=56741"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/tags?post=56741"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}