{"id":278,"date":"2018-06-02T13:57:37","date_gmt":"2018-06-02T11:57:37","guid":{"rendered":"http:\/\/gradning.com\/?page_id=278"},"modified":"2025-02-05T14:53:17","modified_gmt":"2025-02-05T13:53:17","slug":"tem-termisk-gradning","status":"publish","type":"page","link":"https:\/\/gradning.com\/index.php\/tem-termisk-gradning\/","title":{"rendered":"TEM Termisk gradning"},"content":{"rendered":"  <div id=\"page-header-501888654\" class=\"page-header-wrapper\">\n  <div class=\"page-title dark featured-title\">\n\n        <div class=\"page-title-bg\">\n      <div class=\"title-bg fill bg-fill\"\n        data-parallax-container=\".page-title\"\n        data-parallax-background\n        data-parallax=\"-\">\n      <\/div>\n      <div class=\"title-overlay fill\"><\/div>\n    <\/div>\n    \n    <div class=\"page-title-inner container align-center flex-row medium-flex-wrap\" >\n              <div class=\"title-wrapper flex-col text-left medium-text-center\">\n          <h1 class=\"entry-title mb-0\">\n            TEM Termisk gradning          <\/h1>\n        <\/div>\n                    <div class=\"title-content flex-col flex-right text-right medium-text-center\">\n        <div class=\"title-breadcrumbs pb-half pt-half\"><\/div>      <\/div>\n    <\/div><!-- flex-row -->\n\n     \n<style scope=\"scope\">\n\n#page-header-501888654 .page-title-inner {\n  min-height: 140px;\n}\n#page-header-501888654 .title-bg {\n  background-image: url(https:\/\/gradning.com\/wp-content\/uploads\/2018\/06\/grad1.jpg);\n}\n#page-header-501888654 .title-overlay {\n  background-color: rgba(0,0,0,.5);\n}\n<\/style>\n  <\/div><!-- .page-title -->\n    <\/div><!-- .page-header-wrapper -->\n  \n<div class=\"gap-element\" style=\"display:block; height:auto; padding-top:50px\" class=\"clearfix\"><\/div>\n<div class=\"row\"  id=\"row-1612269397\">\n<div class=\"col medium-7 small-12 large-7\"  ><div class=\"col-inner\"  >\n<p class=\"v1paragraphf23d61d4718a83b6\"><span class=\"v1text1c705a3ec15da42b\">Vad \u00e4r termisk gradning?<\/span><\/p>\n<p class=\"v1paragraphf23d61d4718a83b6\"><span class=\"v1text1c705a3ec15da42b\">Termisk gradning \u00e4r en teknik f\u00f6r borttagning av grader efter maskinbearbetning.\u00a0Graderna f\u00f6rbr\u00e4nns med syrgas och naturgas i en sluten kammare. Den korta processen f\u00f6rbr\u00e4nner graderna men p\u00e5verkar inte arbetsstycket. Processen fungerar\u00a0p\u00e5 dom flesta metaller och geometrier.<\/span><\/p>\n<p>Gradar de flesta komponenter med alla geometrier av n\u00e4stan alla metaller. Vare sig graderna \u00e4r placerade utv\u00e4ndigt eller inv\u00e4ndigt erh\u00e5lles alltid ett perfekt resultat med fullst\u00e4ndig gradfrihet. L\u00e5g energif\u00f6rbrukning och h\u00f6g output g\u00f6r TEM till en kostnadseffektiv process. Den mycket h\u00f6ga flexibiliteten g\u00f6r metoden lika applicerbar p\u00e5 stora som sm\u00e5 serier. Den viktigaste f\u00f6rdelen med detta universella avgradningsf\u00f6rfarande \u00e4r utan tvekan dess verkan p\u00e5 t\u00e4ckta eller underliggande avgradningst\u00e4llen. &#8221;Avgradningsverktyget&#8221;`gas anpassar sig till varje kontur och tr\u00e4nger in i varje litet h\u00e5l. Den \u00f6kade betydelsen av &#8221;termisk avgradning&#8221; i tillverkningsprocessen kan h\u00e4rledas ur fyra utvecklingstendenser:<\/p>\n<p>1. F\u00f6rb\u00e4ttring av arbetsmilj\u00f6n. Den manuella\u00a0 avgradningen \u00e4r ett monotont arbetsf\u00f6rlopp. Graderna kan medf\u00f6ra olyckfallsrisk.<\/p>\n<p>2. Produktutvecklingen med allt b\u00e4ttre prestanda och l\u00e4gre vikt kr\u00e4ver stabilare och d\u00e4rmed mer sv\u00e5rarbetade material samt gradbildning och \u00f6kade avgradningskostnader.<\/p>\n<p>3. Utvecklingen av sk\u00e4rmaterial (som t.e.x keramik m,m) med allt l\u00e4ngre livsl\u00e4ngd och \u00f6kad kapacitet som ocks\u00e5 leder till \u00f6kad gradbildning.<\/p>\n<p>4. L\u00f6nekostnadsutveckling. Gradar snabbt och billigt. Normal ledtid 60-120 sekunder.<\/p>\n<h3>Metodbeskrivning:<\/h3>\n<p>I en med syre och l\u00e4mplig br\u00e4nngas typ v\u00e4te, metan eller naturgas d\u00e4r kv\u00e4vehalten inte \u00f6verstiger 2 %. Fylld cylindrisk avgradningskammare f\u00f6rbr\u00e4nns de vid arbetsdetaljen vidh\u00e4ftande graderna. Detta f\u00f6rbr\u00e4nningsf\u00f6rlopp tar mellan 10-20 millisekunder, s\u00e5 att arbetsdetaljen endast v\u00e4rms upp ov\u00e4sentligt(100-160 grader Celcius)<\/p>\n<p>Den chockartade temperaturstegringen som beroende av gasbildningen och gasm\u00e4ngd kan uppg\u00e5 till 3500 grader celcius, \u00f6vehettar alla arbetsgraderna. P\u00e5 grund av deras stora yta absorberar de mer str\u00e5lningsv\u00e4rme \u00e4n vad som kan avledas via det relativt lilla gradningstv\u00e4rsnittet. Det leder till s.k v\u00e4rmedamm (gl\u00f6der) i graden som m\u00f6jligg\u00f6r t\u00e4ndning och f\u00f6rbr\u00e4nning med fritt syre.<\/p>\n<p>\u00a0<\/p>\n<\/div><\/div>\n<div class=\"col medium-5 small-12 large-5\"  ><div class=\"col-inner\"  >\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1983050027\">\n\t\t<a class=\"image-lightbox lightbox-gallery\" href=\"https:\/\/gradning.com\/wp-content\/uploads\/2018\/06\/temgradning.jpg\" title=\"\">\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img width=\"428\" height=\"253\" src=\"https:\/\/gradning.com\/wp-content\/uploads\/2018\/06\/temgradning.jpg\" class=\"attachment-large size-large\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/gradning.com\/wp-content\/uploads\/2018\/06\/temgradning.jpg 428w, https:\/\/gradning.com\/wp-content\/uploads\/2018\/06\/temgradning-300x177.jpg 300w\" sizes=\"(max-width: 428px) 100vw, 428px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style scope=\"scope\">\n\n#image_1983050027 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_721311076\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img width=\"402\" height=\"240\" src=\"https:\/\/gradning.com\/wp-content\/uploads\/2018\/06\/teknik1sv.gif\" class=\"attachment-large size-large\" alt=\"\" decoding=\"async\" loading=\"lazy\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style scope=\"scope\">\n\n#image_721311076 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n<\/div><\/div>\n<\/div>\n<div class=\"gap-element\" style=\"display:block; height:auto; padding-top:30px\" class=\"clearfix\"><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-blank.php","meta":[],"_links":{"self":[{"href":"https:\/\/gradning.com\/index.php\/wp-json\/wp\/v2\/pages\/278"}],"collection":[{"href":"https:\/\/gradning.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/gradning.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/gradning.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gradning.com\/index.php\/wp-json\/wp\/v2\/comments?post=278"}],"version-history":[{"count":3,"href":"https:\/\/gradning.com\/index.php\/wp-json\/wp\/v2\/pages\/278\/revisions"}],"predecessor-version":[{"id":446,"href":"https:\/\/gradning.com\/index.php\/wp-json\/wp\/v2\/pages\/278\/revisions\/446"}],"wp:attachment":[{"href":"https:\/\/gradning.com\/index.php\/wp-json\/wp\/v2\/media?parent=278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}