{"id":13111,"date":"2023-12-01T07:53:08","date_gmt":"2023-12-01T06:53:08","guid":{"rendered":"https:\/\/lume.ch\/?post_type=referenz&#038;p=13111"},"modified":"2024-07-16T13:08:38","modified_gmt":"2024-07-16T11:08:38","slug":"main-fan","status":"publish","type":"referenz","link":"https:\/\/lume.ch\/en\/reference\/main-fan\/","title":{"rendered":"Main fan"},"content":{"rendered":"\n<div  class=\"block block-lead main-container pb-mittel\">\n    <div class=\"content-container lead-font-size\">\n        The generator winding is cooled by a fan wheel shrunk onto the main shaft.      <\/div>\n<\/div>\n<div  class=\"block block-content bg-weiss pb-mittel\">\n    <div class=\"main-container\">\n        <div class=\"content-container\">\n\n            \n\n\n    <p>A fan wheel is shrunk onto the main shaft to cool the generator winding. As a welded unit, the main fan must be able to withstand the highest mechanical loads in nominal operation and during short-term overspeeds.<\/p>\n<h2>Specification<\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Diameter 1500 mm  <\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nominal speed 3,500 rpm  <\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Spin up to 4,700 rpm, PT tested<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">1-flow, duct width 60 &#8211; 90 mm<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">High-strength tempered steel 1.4313, hardened and tempered to Rm &gt; 940 Pa<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Base material US tested, chemical analysis, strength tested<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">TIG welding process (141), welded with semi-automatic machine  <\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Butt weld, root grinding and PT tested, 8-10 layers<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Filler metal Boehler CN 13\/4 IG, shielding gas argon I1<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Preheating temperature 120 &#8211; 150 \u00b0C  <\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Weld seam quality according to ISO5817-B<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">RT-, MT- tested before and after heat treatment  <\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Stress-relieved annealing<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tensile and notched bar impact test of B-sample  <\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Balanced VDI2060 Quality Q2.5<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Weight 550 kg<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n\n    \n    \n\n        <\/div>\n    <\/div>\n<\/div>\n<div  class=\"block block-teaser bg-hellgrau pt-gross pb-gross bild-text\">\n  <div class=\"main-container\">\n    \n        <div class=\"teaser-row\">\n      \n                          <a class=\"teaser\" href=\"https:\/\/lume.ch\/leistungen-2\/#acc-4\" target=\"_self\">\n            \n              <div class=\"bild\"><img loading=\"lazy\" decoding=\"async\" width=\"1110\" height=\"420\" src=\"https:\/\/lume.ch\/wp-content\/uploads\/2023\/12\/231106-LM-Industriestahlbau-Highres-1110x420.jpg?theia_smart_thumbnails_file_version=2\" class=\"attachment-teaser-big size-teaser-big\" alt=\"\" \/><span class=\"overlay\"><\/span><\/div>\n                              <div class=\"uebertitel\">Contract welding<\/div>\n              \n              \n              <div class=\"inner\">\n                                                      <h2 class=\"d5\">First-class contract welding<\/h2>\n                                  \n                                  <div class=\"teaser-inhalt\">Quality tailored to your needs.<\/div>\n                              <\/div>\n\n                            <div class=\"teaser-cta transition\">Contract welding<\/div>\n          <\/a>\n                  \n                        <a class=\"teaser\" href=\"https:\/\/lume.ch\/leistungen-2\/#acc-5\" target=\"_self\">\n            \n              <div class=\"bild\"><img loading=\"lazy\" decoding=\"async\" width=\"1110\" height=\"420\" src=\"https:\/\/lume.ch\/wp-content\/uploads\/2023\/11\/Produktion-Fertigung-1110x420.jpg\" class=\"attachment-teaser-big size-teaser-big\" alt=\"L+M AG Industriestahlbau Absauganlagen\" \/><span class=\"overlay\"><\/span><\/div>\n                              <div class=\"uebertitel\">Production + Manufacturing<\/div>\n              \n              \n              <div class=\"inner\">\n                                                      <h2 class=\"d5\">Efficient production with the highest standards<\/h2>\n                                  \n                                  <div class=\"teaser-inhalt\">Outstanding quality and efficiency in both product development and production.<\/div>\n                              <\/div>\n\n                            <div class=\"teaser-cta transition\">Production + Manufacturing<\/div>\n          <\/a>\n                  \n              <\/div>\n  <\/div>\n<\/div>\n","protected":false},"featured_media":12475,"template":"","referenzenthemen":[83],"class_list":["post-13111","referenz","type-referenz","status-publish","has-post-thumbnail","hentry","referenzenthemen-industrial-steel-construction"],"acf":[],"_links":{"self":[{"href":"https:\/\/lume.ch\/en\/wp-json\/wp\/v2\/referenz\/13111","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lume.ch\/en\/wp-json\/wp\/v2\/referenz"}],"about":[{"href":"https:\/\/lume.ch\/en\/wp-json\/wp\/v2\/types\/referenz"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lume.ch\/en\/wp-json\/wp\/v2\/media\/12475"}],"wp:attachment":[{"href":"https:\/\/lume.ch\/en\/wp-json\/wp\/v2\/media?parent=13111"}],"wp:term":[{"taxonomy":"referenzenthemen","embeddable":true,"href":"https:\/\/lume.ch\/en\/wp-json\/wp\/v2\/referenzenthemen?post=13111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}