{"id":18431,"date":"2023-02-12T17:10:57","date_gmt":"2023-02-12T16:10:57","guid":{"rendered":"https:\/\/www.luque-machines.com\/nezaradene\/servomotor-krokovy-motor-aky-je-v-tom-rozdiel\/"},"modified":"2026-09-03T08:06:13","modified_gmt":"2026-09-03T06:06:13","slug":"servomotor-krokovy-motor-aky-je-v-tom-rozdiel","status":"publish","type":"post","link":"https:\/\/www.luque-machines.com\/sk\/nezaradene-2\/servomotor-krokovy-motor-aky-je-v-tom-rozdiel\/","title":{"rendered":"Servomotor\/krokov\u00fd motor, ak\u00fd je v tom rozdiel?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ako <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">servomotor<\/mark>, tak <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">aj krokov\u00fd motor<\/mark> s\u00fa jednosmern\u00e9 elektrick\u00e9 motory. Ich vysok\u00fd kr\u00fatiaci moment pri zablokovan\u00ed (alebo rozbehu) z nich rob\u00ed naj\u010dastej\u0161ie pou\u017e\u00edvan\u00e9 motory pre roboty a \u0161peci\u00e1lne stroje. Tieto motory sa pou\u017e\u00edvaj\u00fa aj na ovl\u00e1danie os\u00ed CNC fr\u00e9zok.  <\/p>\n\n<p class=\"has-large-font-size wp-block-paragraph\"><strong>Krokov\u00fd motor<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">Krokov\u00fd motor je vhodnej\u0161\u00ed na men\u0161ie obr\u00e1banie. V\u010faka jednoduch\u00e9mu zlo\u017eeniu sa \u013eahko vyr\u00e1ba a je spo\u013eahliv\u00fd.<br\/>Ak s\u00fa v\u0161ak sily p\u00f4sobiace na rotor v\u00e4\u010d\u0161ie ako maxim\u00e1lny povolen\u00fd kr\u00fatiaci moment motora (hodnota Nm ud\u00e1van\u00e1 v\u00fdrobcom), doch\u00e1dza k javu straty kroku: motor sa ne\u00famyselne pohne a vo vn\u00fatri motora po\u010du\u0165 mal\u00e9 \u201epraskanie\u201c.<br\/>Ak fr\u00e9zujete obrobok z tvrd\u00e9ho materi\u00e1lu a r\u00fdchlosti posuvu va\u0161ej fr\u00e9zky s\u00fa nespr\u00e1vne nastaven\u00e9, krokov\u00e9 motory poh\u00e1\u0148aj\u00face va\u0161e osi bud\u00fa vystaven\u00e9 strate krokov. Rovnak\u00fd jav nastane, ak s\u00fa r\u00fdchlosti a zr\u00fdchlenia pohybov va\u0161ich os\u00ed pr\u00edli\u0161 vysok\u00e9.  <\/p>\n\n<p class=\"wp-block-paragraph\">Probl\u00e9mom je, \u017ee po\u010das dlh\u00e9ho procesu obr\u00e1bania vedie s\u010d\u00edtanie po sebe id\u00facich str\u00e1t krokov k ve\u013ek\u00fdm posunom na osiach va\u0161ej fr\u00e9zky. Fr\u00e9za nie je veden\u00e1 na p\u00f4vodne ur\u010den\u00e9 miesto a v\u00e1\u0161 fin\u00e1lny produkt u\u017e nie je vyhovuj\u00faci.<br\/>Na fr\u00e9zovanie mal\u00fdch dielov a kr\u00e1tke procesy v m\u00e4kk\u00fdch materi\u00e1loch s\u00fa krokov\u00e9 motory posta\u010duj\u00face. Na v\u00fdrobu ve\u013ek\u00fdch dielov v\u0161ak u\u017e nie s\u00fa vhodn\u00e9.  <\/p>\n\n<p class=\"has-text-align-left has-large-font-size wp-block-paragraph\"><strong>Servomotor<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">Servomotor je kon\u0161truovan\u00fd podobne ako krokov\u00fd motor s t\u00fdm rozdielom, \u017ee m\u00e1 navy\u0161e enkod\u00e9r. Ten mu umo\u017e\u0148uje nepretr\u017eite sn\u00edma\u0165 r\u00fdchlos\u0165 ot\u00e1\u010dania rotora. Riadiaci syst\u00e9m tak dok\u00e1\u017ee rozpozna\u0165, \u010di bol pr\u00edkaz na oto\u010denie \u00faplne vykonan\u00fd. V pr\u00edpade straty kroku syst\u00e9m vie, \u010di sa motor oto\u010dil menej, ne\u017e bolo pl\u00e1novan\u00e9, a okam\u017eite pohyb uprav\u00ed. T\u00fdm sa predch\u00e1dza oneskoreniam po\u010das procesu obr\u00e1bania.<br\/>Servomotor teda nie je n\u00e1chyln\u00fd na efekt straty krokov, a preto je vhodnej\u0161\u00ed na fr\u00e9zovanie ve\u013ek\u00fdch rozmerov. Fr\u00e9zka vybaven\u00e1 servomotormi zn\u00e1\u0161a vysok\u00e9 zr\u00fdchlenia a vysok\u00e9 r\u00fdchlosti presunu svojich os\u00ed, pri\u010dom si zachov\u00e1va presnos\u0165 polohovania. Odpor\u00fa\u010daj\u00fa sa preto na v\u00fdrobu ve\u013ek\u00fdch dielov, ktor\u00e9 vy\u017eaduj\u00fa vysok\u00fa presnos\u0165.      <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ako servomotor, tak aj krokov\u00fd motor s\u00fa jednosmern\u00e9 elektrick\u00e9 motory. Ich vysok\u00fd kr\u00fatiaci moment pri zablokovan\u00ed (alebo rozbehu) z nich rob\u00ed naj\u010dastej\u0161ie pou\u017e\u00edvan\u00e9 motory pre roboty a \u0161peci\u00e1lne stroje. Tieto motory sa pou\u017e\u00edvaj\u00fa aj na ovl\u00e1danie os\u00ed CNC fr\u00e9zok. Krokov\u00fd motor Krokov\u00fd motor je vhodnej\u0161\u00ed na men\u0161ie obr\u00e1banie. V\u010faka jednoduch\u00e9mu zlo\u017eeniu sa \u013eahko vyr\u00e1ba a [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[588382],"tags":[],"class_list":["post-18431","post","type-post","status-publish","format-standard","hentry","category-nezaradene-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Servomotor\/krokov\u00fd motor, ak\u00fd je v tom rozdiel?<\/title>\n<meta name=\"description\" content=\"Ak\u00fd je rozdiel medzi servomotorom a krokov\u00fdm motorom? 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