{"id":15035,"date":"2022-12-05T11:48:12","date_gmt":"2022-12-05T10:48:12","guid":{"rendered":"https:\/\/www.luque-machines.com\/services\/servomotor-trinnmotor-hva-er-forskjellen\/"},"modified":"2026-09-02T17:28:51","modified_gmt":"2026-09-02T15:28:51","slug":"servomotor-trinnmotor-hva-er-forskjellen","status":"publish","type":"post","link":"https:\/\/www.luque-machines.com\/no\/teknologier\/servomotor-trinnmotor-hva-er-forskjellen\/","title":{"rendered":"Servomotor \/ trinnmotor \u2013 hva er forskjellen?"},"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\">trinnmotoren<\/a> er begge likestr\u00f8ms elektriske motorer. Det h\u00f8ye dreiemomentet ved blokkering (eller oppstart) gj\u00f8r dem til motorer som ofte brukes i roboter og spesialmaskiner. Disse motorene brukes ogs\u00e5 til \u00e5 styre aksene p\u00e5 <a href=\"https:\/\/www.luque-machines.com\/fr\/fraiseuses-cnc\/\">CNC-freser<\/a>.  <\/p>\n\n<h2 class=\"wp-block-heading\">Trinnmotoren<\/h2>\n\n<p class=\"wp-block-paragraph\">Trinnmotoren er bedre egnet for mindre bearbeidinger. Den enkle oppbygningen gj\u00f8r den b\u00e5de enkel \u00e5 produsere og driftssikker.<br\/>N\u00e5r kreftene som virker p\u00e5 rotoren er st\u00f8rre enn motorens maksimalt tillatte dreiemoment (verdi i N.m som oppgis av produsenten), oppst\u00e5r et fenomen med trinntap: motoren forskyver seg utilsiktet, og man h\u00f8rer sm\u00e5 \u00abknakk\u00bb inne i motoren.<br\/>Hvis De freser en del i et litt hardt materiale og matehastighetene p\u00e5 fresen er feil innstilt, utsettes trinnmotorene som driver aksene for trinntap. Det samme skjer hvis hastighetene og akselerasjonene for aksenes bevegelser er for h\u00f8ye.<br\/>Problemet er at i l\u00f8pet av en lang bearbeidingsprosess vil summen av p\u00e5f\u00f8lgende trinntap f\u00f8re til store forskyvninger p\u00e5 fresens akser. Fresen vil ikke ha g\u00e5tt der det opprinnelig var planlagt, og sluttproduktet blir ikke lenger tilfredsstillende.<br\/>Trinnmotorer er tilstrekkelige for fresing av sm\u00e5 deler og korte prosesser i myke materialer. Men for produksjon av deler i store dimensjoner er de ikke lenger egnet.    <\/p>\n\n<h2 class=\"wp-block-heading\">Servomotoren<\/h2>\n\n<p class=\"wp-block-paragraph\">Servomotoren er bygget opp som en trinnmotor, med den forskjellen at den i tillegg har en enkoder. Denne gj\u00f8r at den kontinuerlig kan kjenne rotorens rotasjonshastighet. Dermed kan kontrolleren vite om rotasjonskommandoen faktisk er utf\u00f8rt i sin helhet. Ved trinntap vil man vite om motoren har rotert mindre enn planlagt, og man justerer bevegelsen umiddelbart. Slik unng\u00e5r man forskyvninger i l\u00f8pet av bearbeidingsprosessen.<br\/>Servomotoren er dermed ikke f\u00f8lsom for trinntap og er derfor bedre egnet til fresing i store dimensjoner. En fresemaskin utstyrt med servomotorer t\u00e5ler h\u00f8ye akselerasjoner og store forflytningshastigheter p\u00e5 aksene, samtidig som den beholder posisjoneringspresisjonen. De anbefales derfor for produksjon av store deler og der det kreves h\u00f8y presisjon.      <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Servomotoren og trinnmotoren er begge likestr\u00f8ms elektriske motorer. Det h\u00f8ye dreiemomentet ved blokkering (eller oppstart) gj\u00f8r dem til motorer som ofte brukes i roboter og spesialmaskiner. Disse motorene brukes ogs\u00e5 til \u00e5 styre aksene p\u00e5 CNC-freser. Trinnmotoren Trinnmotoren er bedre egnet for mindre bearbeidinger. Den enkle oppbygningen gj\u00f8r den b\u00e5de enkel \u00e5 produsere og driftssikker.N\u00e5r [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15036,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[587967],"tags":[],"class_list":["post-15035","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 \/ trinnmotor \u2013 hva er forskjellen?<\/title>\n<meta name=\"description\" content=\"Hva skiller en servomotor fra en trinnmotor? 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