{"id":6161,"date":"2021-09-28T08:00:00","date_gmt":"2021-09-28T08:00:00","guid":{"rendered":"https:\/\/knowhow.distrelec.com\/?p=6161"},"modified":"2021-09-01T11:00:15","modified_gmt":"2021-09-01T11:00:15","slug":"sakerhetsbrytare-for-industrimiljo","status":"publish","type":"post","link":"https:\/\/knowhow.distrelec.com\/sv\/tillverkning\/sakerhetsbrytare-for-industrimiljo\/","title":{"rendered":"S\u00e4kerhetsbrytare f\u00f6r industrimilj\u00f6"},"content":{"rendered":"\n<h2 id=\"maskinernas-uppkomst-industriell-automation\" class=\"wp-block-heading\">Maskinernas uppkomst &#8211; industriell automation<\/h2>\n\n\n\n<p>Industriell automation har f\u00f6r\u00e4ndrat hur m\u00e4nniskor interagerar med maskiner under de senaste tre decennierna. I b\u00f6rjan involverades pneumatiska styrslingor d\u00e4r en enda ventil kunde styra en enda processvariabel, som fl\u00f6de eller tryck. Men framsteg inom dator- och sensorteknik har lett till tusentals sensorer och stora centraliserade styrsystem i moderna fabriker.<\/p>\n\n\n\n<p>Ett av de viktigaste utvecklingsomr\u00e5dena under senare \u00e5r \u00e4r k\u00e4nt som Industry 4.0 eller Industrial Internet of Things (IIoT). Nya sensorer f\u00f6r fabriksinst\u00e4llningar erbjuder en mycket h\u00f6gre informationsniv\u00e5 \u00e4n tidigare generationer. Dessa sensorer f\u00e5ngar upp processvariabeln samt omgivningsinformation som temperatur. Dessutom kan moderna sensorer \u00f6vervaka sin egen kondition och larma n\u00e4r de beh\u00f6ver kalibrering eller underh\u00e5ll.<\/p>\n\n\n\n<p>IIoT anv\u00e4nder ocks\u00e5 n\u00e4tverksanslutning. Denna stegf\u00f6r\u00e4ndring fr\u00e5n analog signal\u00f6verf\u00f6ring g\u00f6r det m\u00f6jligt f\u00f6r sensorer att g\u00f6ra all information tillg\u00e4nglig f\u00f6r andra. En enhet som \u00e4r ansluten till ett digitalt n\u00e4tverk kan skicka stora paket med information till andra lokala enheter, kontrollrum och \u00e4ven expertst\u00f6dcentra var som helst i v\u00e4rlden.<\/p>\n\n\n\n<h2 id=\"ett-nytt-grepp-i-fabriksunderhall\" class=\"wp-block-heading\">Ett nytt grepp i fabriksunderh\u00e5ll<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  height=\"680\"  width=\"1024\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAABAAAAAKoAQMAAADTTB95AAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAGtJREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADvBla3AAEqI8+mAAAAAElFTkSuQmCC\"  alt=\"\"  class=\"wp-image-5854 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-939268868-1024x680.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-939268868-1024x680.jpg 1024w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-939268868-300x199.jpg 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-939268868-768x510.jpg 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-939268868-1536x1020.jpg 1536w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-939268868-2048x1361.jpg 2048w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-939268868-380x252.jpg 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-939268868-550x365.jpg 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-939268868-800x531.jpg 800w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-939268868-1160x771.jpg 1160w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-939268868.jpg 2124w\" ><figcaption>livsmedelsindustri &#8211; kexproduktion p\u00e5 ett transportband i en fabrik<\/figcaption><\/figure>\n\n\n\n<p>Underh\u00e5llspraxis har ocks\u00e5 f\u00f6r\u00e4ndrats under de senaste \u00e5rtiondena. Tidigare skulle tillg\u00e5ngar underh\u00e5llas enligt ett tidsbaserat schema med rutinm\u00e4ssiga uppgifter som visuella inspektioner och sm\u00f6rjning. En motor eller transportband kunde tas offline med en inst\u00e4lld frekvens f\u00f6r mer grundligt underh\u00e5ll. Nackdelen med detta tillv\u00e4gag\u00e5ngss\u00e4tt \u00e4r att utrustningen kunde st\u00e4ngas av \u00e4ven om det inte fanns n\u00e5got omedelbart behov av underh\u00e5ll. \u00c5 andra sidan kunde en fabrik drabbas av fel om utrustningen f\u00f6rs\u00e4mras avsev\u00e4rt mellan schemalagda underh\u00e5llsintervaller.<\/p>\n\n\n\n<p>Tillg\u00e4ngligheten av nya sensorer som \u00e4r utformade f\u00f6r att m\u00e4ta maskiners h\u00e4lsa och prestanda har gjort nya underh\u00e5llsstrategier m\u00f6jliga. Till exempel kan en motor eller transportband inneh\u00e5lla flera vibrationssensorer. Nyservade motorer med nya lager och korrekt linjering b\u00f6r ha minimal vibration. N\u00e4r komponenterna slits \u00f6kar vibrationen tills det n\u00e5r ett tr\u00f6skelv\u00e4rde. Vid denna tidpunkt kan en automatisk varning trigga f\u00f6r ytterligare unders\u00f6kning.<\/p>\n\n\n\n<p>Detta tillv\u00e4gag\u00e5ngss\u00e4tt f\u00f6r underh\u00e5ll kallas tillst\u00e5nds\u00f6vervakning och flyttar en fabrik fr\u00e5n ett tidsbaserat underh\u00e5llsprogram till ett tillst\u00e5ndsbaserat program. F\u00f6rebyggande underh\u00e5llsstrategier anv\u00e4nder tillst\u00e5nds\u00f6vervakning f\u00f6r att f\u00f6ruts\u00e4ga n\u00e4r ett fel sannolikt kommer att intr\u00e4ffa s\u00e5 att underh\u00e5ll kan planeras f\u00f6r att f\u00f6rhindra det felet. Ett lagerfel orsakar vanligtvis omfattande sekund\u00e4r skada, vilket kan f\u00f6rhindras genom att byta ut lagret innan det g\u00e5r s\u00f6nder.<\/p>\n\n\n\n<h2 id=\"sakerhet-ar-annu-viktigare\" class=\"wp-block-heading\">S\u00e4kerhet \u00e4r \u00e4nnu viktigare<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  height=\"681\"  width=\"1024\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAABAAAAAKpAQMAAAAYEMzcAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAGxJREFUeNrtwTEBAAAAwqD1T20MH6AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAzgZXOAAB2yk2kgAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-5861 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-1206737327-1-1024x681.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-1206737327-1-1024x681.jpg 1024w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-1206737327-1-300x200.jpg 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-1206737327-1-768x511.jpg 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-1206737327-1-1536x1022.jpg 1536w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-1206737327-1-2048x1363.jpg 2048w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-1206737327-1-380x253.jpg 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-1206737327-1-550x366.jpg 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-1206737327-1-800x532.jpg 800w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-1206737327-1-1160x772.jpg 1160w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/iStock-1206737327-1.jpg 2122w\" ><figcaption>Tryck f\u00f6r hand p\u00e5 den r\u00f6da n\u00f6dknappen eller stoppknappen f\u00f6r industrimaskin, n\u00f6dstopp f\u00f6r s\u00e4kerhet.<\/figcaption><\/figure>\n\n\n\n<p>Industriell s\u00e4kerhet \u00e4r ett mycket reglerat omr\u00e5de med olika tillsynsorgan som \u00f6vervakar fabrikernas efterlevnad. Occupational Safety and Health Administration (OSHA), American National Standards Institute (ANSI), National Safety Council (NSC), European Safety Federation (ESF), Canadian Center for Occupational Health and Safety (CCOHS) och British Safety Council (BSC) \u00e4r n\u00e5gra av organisationerna son engagerar sig f\u00f6r arbetarnas s\u00e4kerhet och v\u00e4lbefinnande.<\/p>\n\n\n\n<p>Framsteg inom sensorer och industriell automation har ocks\u00e5 n\u00e5tt till industriella s\u00e4kerhetssystem. M\u00e5nga industrianl\u00e4ggningar anv\u00e4nder automatiserade n\u00f6davst\u00e4ngningssystem med hundratals sensorer anslutna till komplexa logikprogram som avg\u00f6r n\u00e4r en utrustning eller anl\u00e4ggning ska stoppas. Dessa system \u00e4r beroende av integriteten hos sensorer som arbetar under tuffa milj\u00f6f\u00f6rh\u00e5llanden. Manuellt kontrollerade stoppbrytare \u00e4r d\u00e4rf\u00f6r fortfarande en v\u00e4sentlig komponent i alla fabrikss\u00e4kerhetssystem.<\/p>\n\n\n\n<p>Det finns ocks\u00e5 specifika industriella till\u00e4mpningar som kr\u00e4ver manuella s\u00e4kerhetsstopp. Ett typiskt exempel \u00e4r ett transportbandsystem som str\u00e4cker sig l\u00e5nga avst\u00e5nd \u00f6ver ett produktionsomr\u00e5de. N\u00e4r som helst l\u00e4ngs transportbandet kan en arbetares kl\u00e4der fastna i transportbandet. Den arbetaren ska ha omedelbar tillg\u00e5ng till ett n\u00f6dstopp f\u00f6r att f\u00f6rhindra allvarliga skador. En kabels\u00e4kerhetsbrytare som l\u00f6per l\u00e4ngs hela transportbandet \u00e4r idealisk f\u00f6r denna applikation.<\/p>\n\n\n\n<p>Utrustningsgr\u00e4nsl\u00e4gesbrytare \u00e4r ocks\u00e5 anv\u00e4ndbara stoppanordningar f\u00f6r maskintill\u00e4mpningar. De kan \u00f6vervaka trycket p\u00e5 transportbandet eller linjeringen av f\u00f6rem\u00e5l p\u00e5 bandet. Gr\u00e4nsl\u00e4gesbrytare kan utl\u00f6sa en transportbandsavst\u00e4ngning f\u00f6r att m\u00f6jligg\u00f6ra ingrepp innan en incident intr\u00e4ffar.<\/p>\n\n\n\n<h2 id=\"att-valj-lampliga-omkopplare\" class=\"wp-block-heading\">Att v\u00e4lj l\u00e4mpliga omkopplare<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"776\"  height=\"666\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAwgAAAKaAQMAAACgEuyoAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAFVJREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPwa\/vQAAZZ8RWEAAAAASUVORK5CYII=\"  alt=\"\"  class=\"wp-image-5868 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 776px) 100vw, 776px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/sps-siot-switches-limit-switches-micro-switch-hdls-914ce-ngc-hero-tile.webp\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/sps-siot-switches-limit-switches-micro-switch-hdls-914ce-ngc-hero-tile.webp 776w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/sps-siot-switches-limit-switches-micro-switch-hdls-914ce-ngc-hero-tile.webp?resize=300,257 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/sps-siot-switches-limit-switches-micro-switch-hdls-914ce-ngc-hero-tile.webp?resize=768,659 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/sps-siot-switches-limit-switches-micro-switch-hdls-914ce-ngc-hero-tile.webp?resize=380,326 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/08\/sps-siot-switches-limit-switches-micro-switch-hdls-914ce-ngc-hero-tile.webp?resize=550,472 550w\" ><figcaption>K\u00e4lla: Honeywell<\/figcaption><\/figure>\n\n\n\n<p>Manuellt kontrollerade stoppbrytare och utrustningsgr\u00e4nsl\u00e4gesbrytare har en v\u00e4sentlig s\u00e4kerhetsfunktion och m\u00e5ste fungera p\u00e5litligt och konsekvent vid behov. Flera faktorer bidrar till kvalitet och prestanda hos s\u00e4kerhetsbrytare:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Industriell utrustning opererar i tuff milj\u00f6 och uts\u00e4tts ofta f\u00f6r h\u00f6ga chock- och vibrationsniv\u00e5er. Gr\u00e4nsl\u00e4gesbrytare m\u00e5ste fungera i dessa milj\u00f6er utan att ge falska signaler eller inte fungera n\u00e4r de ska. Speciellt konstruerade elektromekaniska omkopplare kan uppfylla dessa str\u00e4nga krav, till exempel <a href=\"https:\/\/www.distrelec.com\/global\/?search=honeywell+gla\" target=\"_blank\" rel=\"noreferrer noopener\">Honeywells GLA-serie<\/a> gr\u00e4nsl\u00e4gesomkopplare. &nbsp;F\u00f6r mindre utrymmesbegr\u00e4nsningar finns det \u00e4ven robusta mikrobrytaralternativ i sortimentet.<\/li><li>Vissa applikationer som moderna CNC-maskiner arbetar med h\u00f6g precision och noggrannhet. De beh\u00f6ver kompakta omkopplare som k\u00e4nner av r\u00f6relsedelarnas position utan att utl\u00f6sa falska signaler p\u00e5 grund av vibrationer. <a href=\"https:\/\/www.distrelec.com\/global\/?search=14ce\" target=\"_blank\" rel=\"noreferrer noopener\">Honeywell 14CE-serien<\/a> av kompakta industriella gr\u00e4nsl\u00e4gesbrytare, eller miniomkopplare, utformade f\u00f6r dessa applikationer.&nbsp;<\/li><li>Manuella kontrollerade stoppbrytare m\u00e5ste fungera omedelbart och p\u00e5litligt n\u00e4r de aktiveras av en arbetare. <a href=\"https:\/\/www.distrelec.com\/global\/?search=cable+pull+switches\" target=\"_blank\" rel=\"noreferrer noopener\">Kabels\u00e4kerhetsbrytare b\u00f6r \u00e4ndra<\/a> tillst\u00e5nd och l\u00e5sa s\u00e5 snart kabeln aktiveras. Helst b\u00f6r omkopplaren aktiveras om kabeln dras eller trycks eftersom det inte finns n\u00e5got s\u00e4tt att veta hur en arbetare kommer att reagera i en n\u00f6dsituation. Honeywell MICRO SWITCH 2CCP-serien erbjuder alla dessa funktioner i en l\u00f6sning avsedd f\u00f6r transportapplikationer.<\/li><\/ol>\n\n\n\n<h2 id=\"sammanfattning\" class=\"wp-block-heading\">Sammanfattning<\/h2>\n\n\n\n<p>Industriell automation forts\u00e4tter att transformera fabriksmilj\u00f6n med en stadig utveckling av ny teknik. Nya sensorer och IIoT-kapacitet har gjort betydande f\u00f6rb\u00e4ttringar av underh\u00e5llsstrategier och effektivitet i fabriksverksamheter. N\u00f6ds\u00e4kerhetssystem f\u00f6rlitar sig ocks\u00e5 p\u00e5 elektroniska sensorer och datoriserade styrenheter f\u00f6r att utf\u00f6ra sina logiska funktioner.<\/p>\n\n\n\n<p>Men trots alla dessa framsteg finns det fortfarande ett behov av h\u00f6gkvalitativa manuellt kontrollerade stoppbrytare och utrustningsgr\u00e4nsl\u00e4gesbrytare f\u00f6r industris\u00e4kerhet. Dessa omkopplare m\u00e5ste klara h\u00e5rda driftf\u00f6rh\u00e5llanden vid extrema temperaturomr\u00e5den och h\u00f6ga vibrationer.<\/p>\n\n\n\n<p>Kontakta <a href=\"http:\/\/www.elfa.se\/\" target=\"_blank\" rel=\"noreferrer noopener\">Elfa Distrelec<\/a> f\u00f6r alla dina manuella stoppbrytare och utrustningsgr\u00e4nsl\u00e4gesbrytare. Vi \u00e4r en distribut\u00f6r av Honeywells gr\u00e4nsl\u00e4gesbrytare som erbjuder ett brett utbud av produkter designade och byggda f\u00f6r industriella applikationer.<\/p>\n","protected":false},"excerpt":{"rendered":"Maskinernas uppkomst &#8211; industriell automation Industriell automation har f\u00f6r\u00e4ndrat hur m\u00e4nniskor interagerar med maskiner under de senaste tre&hellip;\n","protected":false},"author":4,"featured_media":9201,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"","csco_page_header_type":"","csco_appearance_grid":"","csco_page_load_nextpost":"","csco_post_video_location":[],"csco_post_video_location_hash":"","csco_post_video_url":"","csco_post_video_bg_start_time":0,"csco_post_video_bg_end_time":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[244],"tags":[1079,354],"coauthors":[],"class_list":{"0":"post-6161","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-tillverkning","8":"tag-industry-4-0-sv","9":"tag-stromstallare-och-relaer","10":"cs-entry","11":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - 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