{"id":6614,"date":"2026-02-06T12:28:00","date_gmt":"2026-02-06T11:28:00","guid":{"rendered":"https:\/\/kammerer-gewinde.zold.at\/lexicon\/preloaded-nut\/"},"modified":"2026-04-14T16:58:29","modified_gmt":"2026-04-14T14:58:29","slug":"preloaded-nut","status":"publish","type":"lexicon","link":"https:\/\/kammerer-gewinde.zold.at\/en\/lexicon\/preloaded-nut\/","title":{"rendered":"Preloaded Nut"},"content":{"rendered":"\n<p>A preloaded nut is a ball screw nut or trapezoidal nut in which the axial play between the screw and the nut is eliminated by applying a specific preload. This reduction results in greater rigidity, precision and load-bearing capacity without causing deformation of the nut or screw. <\/p>\n\n<p>The preload on the nut ensures that:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Minimises backlash<\/li>\n\n\n\n<li>Positioning accuracy is improved during changes of direction<\/li>\n\n\n\n<li>Improve power transmission and the rigidity of the screw drive<\/li>\n\n\n\n<li>The load is distributed more evenly across the balls, which extends their service life<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Technical specifications<\/h2>\n\n<ol class=\"wp-block-list\">\n<li><strong>Ball sorting<\/strong><br\/>Balls of varying sizes are specifically incorporated to generate a defined preload<\/li>\n\n\n\n<li><strong>Double nut arrangement<\/strong><br\/>Two nuts are rotated against each other and fixed with screws to eliminate backlash.<\/li>\n\n\n\n<li><strong>Adjustable preload<\/strong><br\/>The preload force is adjusted via adjustment screws or axial spacer rings. Preload is usually specified as a percentage of the nut&#8217;s dynamic load rating (typically 1\u201310%) <\/li>\n<\/ol>\n\n<h3 class=\"wp-block-heading\">Practical relevance<\/h3>\n\n<ul class=\"wp-block-list\">\n<li>This is particularly important in high-precision CNC machines, robotics or measurement systems, where high repeatability is required<\/li>\n\n\n\n<li>Reduces vibrations, play and misalignment<\/li>\n\n\n\n<li>Extends service life by ensuring an even distribution of load across the balls<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>A preloaded nut is a ball screw nut or trapezoidal nut in which the axial play between the screw and the nut is eliminated by applying a specific preload. This reduction results in greater rigidity, precision and load-bearing capacity without causing deformation of the nut or screw. The preload on the nut ensures that: Technical [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"lexiconkategorie":[],"class_list":["post-6614","lexicon","type-lexicon","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/kammerer-gewinde.zold.at\/en\/wp-json\/wp\/v2\/lexicon\/6614","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kammerer-gewinde.zold.at\/en\/wp-json\/wp\/v2\/lexicon"}],"about":[{"href":"https:\/\/kammerer-gewinde.zold.at\/en\/wp-json\/wp\/v2\/types\/lexicon"}],"wp:attachment":[{"href":"https:\/\/kammerer-gewinde.zold.at\/en\/wp-json\/wp\/v2\/media?parent=6614"}],"wp:term":[{"taxonomy":"lexiconkategorie","embeddable":true,"href":"https:\/\/kammerer-gewinde.zold.at\/en\/wp-json\/wp\/v2\/lexiconkategorie?post=6614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}