{"id":22173,"date":"2020-11-13T10:37:09","date_gmt":"2020-11-13T10:37:09","guid":{"rendered":"http:\/\/pokus.jansvoboda.cz\/?p=22173"},"modified":"2020-11-26T14:16:07","modified_gmt":"2020-11-26T14:16:07","slug":"thermoplay-2020-o-generaci-lepsi-trysky","status":"publish","type":"post","link":"https:\/\/kvalitnivystrik.cz\/index.php\/2020\/11\/13\/thermoplay-2020-o-generaci-lepsi-trysky\/","title":{"rendered":"Thermoplay 2020: O generaci lep\u0161\u00ed trysky"},"content":{"rendered":"\n<h6>Thermoplay 2020: O generaci lep\u0161\u00ed trysky<\/h6>\n\n\n\n<p><strong>Stoupaj\u00edc\u00ed n\u00e1roky na kvalitu v\u00fdst\u0159ik\u016f, v\u00fdrazn\u011b slo\u017eit\u011bj\u0161\u00ed tvary, zm\u011bny v&nbsp;materi\u00e1lech, vysok\u00e9 n\u00e1roky na zkracov\u00e1n\u00ed cykl\u016f \u2013&nbsp;to jsou t\u00e9mata, kter\u00e1 dnes \u0159e\u0161\u00ed ka\u017ed\u00e1 lisovna. Proto vznikla nov\u00e1 \u0159ada trysek Thermoplay, kter\u00e1 umo\u017en\u00ed jednodu\u0161\u0161\u00ed, rychlej\u0161\u00ed a p\u0159esn\u011bj\u0161\u00ed v\u00fdrobu.<\/strong><\/p>\n\n\n\n<p>P\u0159i zachov\u00e1n\u00ed<strong>&nbsp;st\u00e1vaj\u00edc\u00edch z\u00e1stavbov\u00fdch rozm\u011br\u016f&nbsp;<\/strong>poskytuje nov\u00e1 \u0159ada trysek a\u017e o&nbsp;<strong>60 % vy\u0161\u0161\u00ed&nbsp;pr\u016ftok&nbsp;materi\u00e1lu&nbsp;<\/strong>p\u0159es trysku. D\u00edky redukci tlakov\u00fdch ztr\u00e1t jsou&nbsp;<strong>v\u00fdrazn\u011b sn\u00ed\u017eeny&nbsp;vst\u0159ikovac\u00ed tlaky<\/strong>&nbsp;<strong>p\u0159i zachov\u00e1n\u00ed vst\u0159ikovac\u00ed rychlosti<\/strong>; d\u00e1le tyto ni\u017e\u0161\u00ed tlakov\u00e9 ztr\u00e1ty umo\u017enuj\u00ed<strong>&nbsp;efektivn\u011bj\u0161\u00ed vst\u0159ikov\u00e1n\u00ed na technickou visk\u00f3zn\u00ed k\u0159ivku.&nbsp;<\/strong>Vylep\u0161en\u00e1&nbsp;<strong>tepeln\u00e1 izolace \u0161pi\u010dky sni\u017euje rezidu\u00e1ln\u00ed nap\u011bt\u00ed<\/strong>&nbsp;pod vst\u0159ikovac\u00edm otvorem. Trysky vykazuj\u00ed<strong>&nbsp;del\u0161\u00ed&nbsp;\u017eivotnost&nbsp;<\/strong>p\u0159i vst\u0159ikov\u00e1n\u00ed materi\u00e1l\u016f s abrazivy a maj\u00ed&nbsp;<strong>m\u00e9n\u011b&nbsp;n\u00e1hradn\u00edch d\u00edl\u016f.&nbsp;<\/strong>D\u00edky optim\u00e1ln\u00edmu designu je nav\u00edc&nbsp;<strong>v\u00fdrazn\u011b sn\u00ed\u017eeno smykov\u00e9 nap\u011bt\u00ed.<\/strong><\/p>\n\n\n\n<p>Nyn\u00ed si v\u00fd\u0161e uveden\u00e9 v\u00fdhody rozbereme podrobn\u011bji.<\/p>\n\n\n\n<p><strong>Sn\u00ed\u017een\u00ed smykov\u00e9ho nap\u011bt\u00ed aneb Teplo pouze tam, kde ho pot\u0159ebujete:<\/strong><br>D\u00edky oceli t\u0159et\u00ed generace pr\u00e1\u0161kov\u00e9 metalurgie do\u0161lo k vylep\u0161en\u00ed teplotn\u00edho pole \u0161pi\u010dky. Hrot trysky p\u0159esn\u011b sm\u011bruje teplo do vst\u0159ikovac\u00edho otvoru a izolace (t\u011bsn\u011bn\u00ed \u0161pi\u010dky) br\u00e1n\u00ed p\u0159enosu tepla do formy.<br>V\u00fdsledkem je&nbsp;<strong>men\u0161\u00ed zbytek po vtoku<\/strong>&nbsp;u p\u0159\u00edm\u00e9ho vst\u0159ikov\u00e1n\u00ed a z\u00e1rove\u0148 v\u00fdrazn\u00e9 prodlou\u017een\u00ed doby setrv\u00e1n\u00ed \u201e\u017eiv\u00e9ho\u201c materi\u00e1lu ve vst\u0159ikovac\u00edm otvoru.<\/p>\n\n\n\n<p><em><strong>P\u0159\u00edpadov\u00e1 studie \u010d. 1:<\/strong><strong>&nbsp;Zamrz\u00e1n\u00ed vst\u0159ikovac\u00edho otvoru<\/strong><\/em><\/p>\n\n\n\n<p><em>Vylep\u0161en\u00e9 teplotn\u00ed pole prokazateln\u011b prodlu\u017euje dobu do zamrznut\u00ed vst\u0159ikovac\u00edho otvoru. P\u0159i testech vyk\u00e1zala o generaci lep\u0161\u00ed tryska a\u017e 10 minut \u017eiv\u00fd vst\u0159ikovac\u00ed otvor p\u0159i teplot\u011b taveniny 295 \u00b0C a teplot\u011b formy 70 \u00b0C, zat\u00edmco u b\u011b\u017en\u00e9 trysky vst\u0159ikovac\u00ed otvor zatuhl ji\u017e po 2 minut\u00e1ch, a to dokonce p\u0159i p\u0159i teplot\u011b taveniny odpov\u00eddaj\u00edc\u00ed 320 \u00b0C taveniny (teplota formy byla stejn\u00e1). Testovan\u00fdm materi\u00e1lem byl Ultramid A3WG6 (PP66+30GF)<\/em><\/p>\n\n\n\n<p><strong>Jak\u00e9 teploty na trysk\u00e1ch jsou opravdu nutn\u00e9?<\/strong><br>\u010cas cyklu p\u0159i vst\u0159ikov\u00e1n\u00ed je nejv\u00edce ovliv\u0148ov\u00e1n d\u00e9lkou (dobou) chlazen\u00ed. Jak zkr\u00e1tit dobu chlazen\u00ed? \u0158e\u0161en\u00ed spo\u010d\u00edv\u00e1 ve sn\u00ed\u017een\u00ed mno\u017estv\u00ed tepla vnesen\u00e9ho do formy; t\u00edm se sn\u00ed\u017e\u00ed i mno\u017estv\u00ed tepla, kter\u00e9 je pot\u0159eba odv\u00e9st, a v\u00fdst\u0159ik se ochlad\u00ed rychleji.<br>Nov\u00e9 trysky Thermoplay v\u00fdrazn\u011b sni\u017euj\u00ed pot\u0159ebnou teplotu vst\u0159ikovan\u00e9ho materi\u00e1lu, a to p\u0159i zachov\u00e1n\u00ed \u0161pi\u010dkov\u00e9 kvality d\u00edlu.<\/p>\n\n\n\n<p><em><strong>&nbsp;P\u0159\u00edpadov\u00e1 studie \u010d. 2: Zkr\u00e1cen\u00ed doby cyklu<\/strong><\/em><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/www.jansvoboda.cz\/images\/else_images\/106111.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>Kontroln\u00ed ot\u00e1zka: O kolik v\u00edce perfektn\u00edch d\u00edl\u016f za hodinu forma vyrob\u00ed?<br>a)&nbsp; &nbsp; &nbsp; o 1124 d\u00edl\u016f v\u00edce<br>b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; o 1896 d\u00edl\u016f v\u00edce<br>c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; o 2048 d\u00edl\u016f v\u00edce<\/p>\n\n\n\n<p><em>Spr\u00e1vnou odpov\u011b\u010f najdete na konci \u010dl\u00e1nku.<\/em><\/p>\n\n\n\n<p><em><strong>P\u0159\u00edpadov\u00e1 studie \u010d. 3:<\/strong><strong>&nbsp;Zkr\u00e1cen\u00ed cyklu v\u00fdroby ochrann\u00e9 polomasky<\/strong><\/em><\/p>\n\n\n\n<p>Na ja\u0159e roku 2020, v dob\u011b extr\u00e9mn\u00edho nedostatku ochrann\u00fdch pom\u016fcek, byla firma JAN SVOBODA s.r.o. oslovena s&nbsp;\u017e\u00e1dost\u00ed o v\u00fdrobu forem a optimalizac\u00ed kvality a cyklu ochrann\u00e9 polomasky z materi\u00e1lu PA12. MoldFlow anal\u00fdza pln\u011bn\u00ed z\u00e1kladn\u00edho korpusu stanovila cyklus v\u00fdroby na 50 vte\u0159in (po optimalizaci).<\/p>\n\n\n\n<p>Kontroln\u00ed ot\u00e1zka: Jak\u00fd byl fin\u00e1ln\u00ed cyklov\u00fd \u010das v\u00fdroby tohoto d\u00edlu?<\/p>\n\n\n\n<p>a)&nbsp; &nbsp; &nbsp; 38 vte\u0159in i s robotem<br>b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 27 vte\u0159in i s robotem<br>c)&nbsp; &nbsp; &nbsp; 20 vte\u0159in i s robotem<\/p>\n\n\n\n<p>Spr\u00e1vnou odpov\u011b\u010f najdete na konci \u010dl\u00e1nku.<\/p>\n\n\n\n<p><strong>Jak\u00e9 je spr\u00e1vn\u00e9 nastaven\u00ed vst\u0159ikovac\u00edho procesu?<\/strong><\/p>\n\n\n\n<p>Jak\u00e9 mo\u017enosti maj\u00ed Va\u0161i se\u0159izova\u010di? Mohou optimalizovat parametry pro dosa\u017een\u00ed krat\u0161\u00edho cyklu? Nebo m\u00e1te pouze jedno \u201ebezpe\u010dn\u00e9 nastaven\u00ed\u201c?<br>Jedn\u00edm z&nbsp;c\u00edl\u016f v\u00fdvoje \u201eo generaci lep\u0161\u00edch trysek\u201c bylo roz\u0161\u00ed\u0159en\u00ed technologick\u00e9ho okna tak, aby se\u0159izova\u010di mohli hledat nastaven\u00ed, kter\u00e9 bude optim\u00e1ln\u00ed nejen z hlediska kvality d\u00edlu,&nbsp; ale i z&nbsp;pohledu ekonomiky v\u00fdrobn\u00edho procesu.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/www.jansvoboda.cz\/images\/else_images\/106107.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>St\u00e1le v\u00e1h\u00e1te s&nbsp;popt\u00e1vkou \u201eO generaci lep\u0161\u00edch trysek\u201c?<\/p>\n\n\n\n<p>Zkuste si odpov\u011bd\u011bt na n\u00e1sleduj\u00edc\u00ed ot\u00e1zky:<\/p>\n\n\n\n<ul><li><strong>Pot\u0159ebujete zkr\u00e1tit vst\u0159ikovac\u00ed cykly?<\/strong><\/li><li><strong>Po\u017eadujete vysokou p\u0159esnost d\u00edl\u016f?<\/strong><\/li><li><strong>Uv\u00edtali byste sn\u00ed\u017een\u00ed vst\u0159ikovac\u00edho tlaku?<\/strong><\/li><li><strong>Chcete omezit po\u010det n\u00e1hradn\u00edch d\u00edl\u016f?<\/strong><\/li><li><strong>P\u0159ejete si sn\u00ed\u017eit nam\u00e1h\u00e1n\u00ed formy a stroje?<\/strong><\/li><\/ul>\n\n\n\n<p>Pokud jste na n\u011bkterou z&nbsp;ot\u00e1zek odpov\u011bd\u011bli ANO, r\u00e1di se budeme v\u011bnovat Va\u0161\u00ed popt\u00e1vce.<br><a href=\"\/wp-content\/uploads\/2020\/11\/766.pdf\" data-type=\"URL\" data-id=\"\/wp-content\/uploads\/2020\/11\/766.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Popt\u00e1vkov\u00fd formul\u00e1\u0159 najdete zde.<\/strong><\/a><\/p>\n\n\n\n<p><strong>Spr\u00e1vn\u00e9 odpov\u011bdi na kontroln\u00ed ot\u00e1zky:<\/strong><br>C je spr\u00e1vn\u011b pro v\u0161echny ot\u00e1zky.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Thermoplay 2020: O generaci lep\u0161\u00ed trysky Stoupaj\u00edc\u00ed n\u00e1roky na kvalitu v\u00fdst\u0159ik\u016f, v\u00fdrazn\u011b slo\u017eit\u011bj\u0161\u00ed tvary, zm\u011bny v&nbsp;materi\u00e1lech, vysok\u00e9 n\u00e1roky na zkracov\u00e1n\u00ed cykl\u016f \u2013&nbsp;to jsou t\u00e9mata, kter\u00e1 dnes \u0159e\u0161\u00ed ka\u017ed\u00e1 lisovna. Proto vznikla nov\u00e1 \u0159ada trysek Thermoplay, kter\u00e1 umo\u017en\u00ed jednodu\u0161\u0161\u00ed, rychlej\u0161\u00ed a p\u0159esn\u011bj\u0161\u00ed v\u00fdrobu. P\u0159i zachov\u00e1n\u00ed&nbsp;st\u00e1vaj\u00edc\u00edch z\u00e1stavbov\u00fdch rozm\u011br\u016f&nbsp;poskytuje nov\u00e1 \u0159ada trysek a\u017e o&nbsp;60 % vy\u0161\u0161\u00ed&nbsp;pr\u016ftok&nbsp;materi\u00e1lu&nbsp;p\u0159es trysku. D\u00edky redukci tlakov\u00fdch ztr\u00e1t jsou&nbsp;v\u00fdrazn\u011b sn\u00ed\u017eeny&nbsp;vst\u0159ikovac\u00ed tlaky&nbsp;p\u0159i zachov\u00e1n\u00ed vst\u0159ikovac\u00ed rychlosti; d\u00e1le tyto ni\u017e\u0161\u00ed tlakov\u00e9 ztr\u00e1ty umo\u017enuj\u00ed&nbsp;efektivn\u011bj\u0161\u00ed vst\u0159ikov\u00e1n\u00ed na technickou visk\u00f3zn\u00ed k\u0159ivku.&nbsp;Vylep\u0161en\u00e1&nbsp;tepeln\u00e1 izolace \u0161pi\u010dky sni\u017euje rezidu\u00e1ln\u00ed nap\u011bt\u00ed&nbsp;pod vst\u0159ikovac\u00edm otvorem. Trysky vykazuj\u00ed&nbsp;del\u0161\u00ed&nbsp;\u017eivotnost&nbsp;p\u0159i vst\u0159ikov\u00e1n\u00ed materi\u00e1l\u016f s abrazivy a maj\u00ed&nbsp;m\u00e9n\u011b&nbsp;n\u00e1hradn\u00edch d\u00edl\u016f.&nbsp;D\u00edky optim\u00e1ln\u00edmu designu je nav\u00edc&nbsp;v\u00fdrazn\u011b sn\u00ed\u017eeno smykov\u00e9 nap\u011bt\u00ed. Nyn\u00ed si v\u00fd\u0161e uveden\u00e9 v\u00fdhody rozbereme podrobn\u011bji. Sn\u00ed\u017een\u00ed smykov\u00e9ho nap\u011bt\u00ed aneb Teplo pouze tam, kde ho pot\u0159ebujete:D\u00edky oceli t\u0159et\u00ed generace pr\u00e1\u0161kov\u00e9 metalurgie do\u0161lo k vylep\u0161en\u00ed teplotn\u00edho pole \u0161pi\u010dky. Hrot trysky p\u0159esn\u011b sm\u011bruje teplo do vst\u0159ikovac\u00edho otvoru a izolace (t\u011bsn\u011bn\u00ed \u0161pi\u010dky) br\u00e1n\u00ed p\u0159enosu tepla do formy.V\u00fdsledkem je&nbsp;men\u0161\u00ed zbytek po vtoku&nbsp;u p\u0159\u00edm\u00e9ho vst\u0159ikov\u00e1n\u00ed a z\u00e1rove\u0148 v\u00fdrazn\u00e9 prodlou\u017een\u00ed doby setrv\u00e1n\u00ed \u201e\u017eiv\u00e9ho\u201c materi\u00e1lu ve vst\u0159ikovac\u00edm otvoru. P\u0159\u00edpadov\u00e1 studie \u010d. 1:&nbsp;Zamrz\u00e1n\u00ed vst\u0159ikovac\u00edho otvoru Vylep\u0161en\u00e9 teplotn\u00ed pole prokazateln\u011b prodlu\u017euje dobu do zamrznut\u00ed vst\u0159ikovac\u00edho otvoru. P\u0159i testech vyk\u00e1zala o generaci lep\u0161\u00ed tryska a\u017e 10 minut \u017eiv\u00fd vst\u0159ikovac\u00ed otvor p\u0159i teplot\u011b taveniny 295 \u00b0C a teplot\u011b formy 70 \u00b0C, zat\u00edmco&#8230;<\/p>\n","protected":false},"author":1,"featured_media":22174,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[34],"tags":[46,59,60],"_links":{"self":[{"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/posts\/22173"}],"collection":[{"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/comments?post=22173"}],"version-history":[{"count":7,"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/posts\/22173\/revisions"}],"predecessor-version":[{"id":22488,"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/posts\/22173\/revisions\/22488"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/media\/22174"}],"wp:attachment":[{"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/media?parent=22173"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/categories?post=22173"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/tags?post=22173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}