{"id":15029,"date":"2022-12-05T11:48:12","date_gmt":"2022-12-05T10:48:12","guid":{"rendered":"https:\/\/www.luque-machines.com\/services\/servomotor-stepmotor-hvad-er-forskellen\/"},"modified":"2026-09-02T17:28:40","modified_gmt":"2026-09-02T15:28:40","slug":"servomotor-stepmotor-hvad-er-forskellen","status":"publish","type":"post","link":"https:\/\/www.luque-machines.com\/da\/teknologier\/servomotor-stepmotor-hvad-er-forskellen\/","title":{"rendered":"Servomotor \/ stepmotor, hvad er forskellen?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/fr.wikipedia.org\/wiki\/Servomoteur\" target=\"_blank\" rel=\"noreferrer noopener\">Servomotoren<\/a> og <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Moteur_pas_%C3%A0_pas\" target=\"_blank\" rel=\"noreferrer noopener\">stepmotoren<\/a> er begge elektriske j\u00e6vnstr\u00f8msmotorer. Deres h\u00f8je moment ved blokering (eller opstart) g\u00f8r dem til motorer, der ofte anvendes til robotter og specialmaskiner. Disse motorer bruges desuden til at styre akserne p\u00e5 <a href=\"https:\/\/www.luque-machines.com\/fr\/fraiseuses-cnc\/\">CNC-fr\u00e6sere<\/a>.  <\/p>\n\n<h2 class=\"wp-block-heading\">Stepmotoren<\/h2>\n\n<p class=\"wp-block-paragraph\">Stepmotoren er bedre egnet til mindre bearbejdninger. Dens enkle opbygning g\u00f8r den b\u00e5de nem at producere og driftssikker.<br\/>N\u00e5r de kr\u00e6fter, der p\u00e5virker rotoren, er st\u00f8rre end motorens maksimalt tilladelige moment (v\u00e6rdi i N.m, som angives af producenten), opst\u00e5r der et f\u00e6nomen med tabte trin: motoren forskydes utilsigtet, og man kan h\u00f8re sm\u00e5 \u201ckn\u00e6k\u201d inde i motoren.<br\/>Hvis De fr\u00e6ser en emne i et lidt h\u00e5rdt materiale, og fremf\u00f8ringshastighederne p\u00e5 Deres fr\u00e6ser er forkert indstillet, uds\u00e6ttes de stepmotorer, der driver Deres akser, for tabte trin. Det samme sker, hvis hastighederne og accelerationerne for aksebev\u00e6gelserne er for h\u00f8je.<br\/>Problemet er, at under en lang bearbejdningsproces vil summen af de successive tabte trin resultere i betydelige forskydninger p\u00e5 fr\u00e6serens akser. Fr\u00e6seren vil ikke have passeret det oprindeligt planlagte sted, og det f\u00e6rdige emne er ikke l\u00e6ngere brugbart.<br\/>Stepmotorer er tilstr\u00e6kkelige til fr\u00e6sning af sm\u00e5 emner og korte processer i bl\u00f8de materialer. Men til fremstilling af emner i store dimensioner er de ikke l\u00e6ngere egnede.    <\/p>\n\n<h2 class=\"wp-block-heading\">Servomotoren<\/h2>\n\n<p class=\"wp-block-paragraph\">Servomotoren er opbygget som en stepmotor, med den forskel at den desuden har en encoder. Den g\u00f8r det muligt l\u00f8bende at kende rotorens omdrejningshastighed. Dermed kan styringen se, om rotationskommandoen er udf\u00f8rt fuldt ud. Ved tabte trin kan man se, om motoren har drejet mindre end forventet, og bev\u00e6gelsen justeres straks. Man undg\u00e5r dermed forskydninger under bearbejdningsprocessen.<br\/>Servomotoren er s\u00e5ledes ikke f\u00f8lsom over for tabte trin og er derfor bedre egnet til fr\u00e6sning i store dimensioner. En fr\u00e6ser udstyret med servomotorer kan h\u00e5ndtere h\u00f8je accelerationer og store bev\u00e6gelseshastigheder p\u00e5 sine akser, samtidig med at den bevarer sin positioneringsn\u00f8jagtighed. De anbefales derfor til fremstilling af store emner og opgaver, der kr\u00e6ver h\u00f8j pr\u00e6cision.      <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Servomotoren og stepmotoren er begge elektriske j\u00e6vnstr\u00f8msmotorer. Deres h\u00f8je moment ved blokering (eller opstart) g\u00f8r dem til motorer, der ofte anvendes til robotter og specialmaskiner. Disse motorer bruges desuden til at styre akserne p\u00e5 CNC-fr\u00e6sere. Stepmotoren Stepmotoren er bedre egnet til mindre bearbejdninger. Dens enkle opbygning g\u00f8r den b\u00e5de nem at producere og driftssikker.N\u00e5r de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":14497,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[587972],"tags":[],"class_list":["post-15029","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknologier"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Servomotor \/ stepmotor, hvad er forskellen?<\/title>\n<meta name=\"description\" content=\"Hvad adskiller en servomotor fra en stepmotor? 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