{"id":6621,"date":"2026-01-23T09:18:22","date_gmt":"2026-01-23T08:18:22","guid":{"rendered":"https:\/\/kammerer-gewinde.zold.at\/lexicon\/unsupported-spindle-length\/"},"modified":"2026-04-14T16:59:53","modified_gmt":"2026-04-14T14:59:53","slug":"unsupported-spindle-length","status":"publish","type":"lexicon","link":"https:\/\/kammerer-gewinde.zold.at\/en\/lexicon\/unsupported-spindle-length\/","title":{"rendered":"Unsupported spindle length"},"content":{"rendered":"\n<p>The unsupported spindle length refers to the distance of a spindle between two bearings or mounting points that is freely spanning without lateral support or a bearing surface. It is a key parameter for the stiffness, stability, and buckling susceptibility of a lead screw. <\/p>\n\n<h4 class=\"wp-block-heading\">The unsupported spindle length affects:<\/h4>\n\n<ul class=\"wp-block-list\">\n<li><strong>Bending <\/strong>due to deflection of the spindle under axial or radial load <\/li>\n\n\n\n<li><strong>Buckling resistance:<\/strong> Longer unsupported sections increase the risk of buckling <\/li>\n\n\n\n<li><strong>Positioning accuracy:<\/strong> Elastic deformation leads to travel deviations<\/li>\n\n\n\n<li><strong>Drive torque:<\/strong> Greater deflection can increase friction losses<\/li>\n<\/ul>\n\n<h4 class=\"wp-block-heading\">Influencing factors<\/h4>\n\n<ul class=\"wp-block-list\">\n<li>Spindle diameter: larger diameters increase stiffness<\/li>\n\n\n\n<li>Material and modulus of elasticity: harder materials resist bending better<\/li>\n\n\n\n<li>Support of the spindle ends<\/li>\n\n\n\n<li>Axial and radial forces act on the unsupported length<\/li>\n<\/ul>\n\n<h4 class=\"wp-block-heading\">Practical relevance<\/h4>\n\n<ul class=\"wp-block-list\">\n<li>An important parameter for vertical axes, long-stroke spindles, and lightweight applications<\/li>\n\n\n\n<li>Reducing the unsupported length by means of intermediate bearings increases stiffness and service life<\/li>\n\n\n\n<li>Basis for dimensioning the spindle diameter and bearing arrangement<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>The unsupported spindle length refers to the distance of a spindle between two bearings or mounting points that is freely spanning without lateral support or a bearing surface. It is a key parameter for the stiffness, stability, and buckling susceptibility of a lead screw. The unsupported spindle length affects: Influencing factors Practical relevance<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"lexiconkategorie":[],"class_list":["post-6621","lexicon","type-lexicon","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/kammerer-gewinde.zold.at\/en\/wp-json\/wp\/v2\/lexicon\/6621","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=6621"}],"wp:term":[{"taxonomy":"lexiconkategorie","embeddable":true,"href":"https:\/\/kammerer-gewinde.zold.at\/en\/wp-json\/wp\/v2\/lexiconkategorie?post=6621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}