{"id":6564,"date":"2026-02-06T11:47:16","date_gmt":"2026-02-06T10:47:16","guid":{"rendered":"https:\/\/kammerer-gewinde.zold.at\/lexicon\/zero-backlash\/"},"modified":"2026-04-14T13:58:42","modified_gmt":"2026-04-14T11:58:42","slug":"zero-backlash","status":"publish","type":"lexicon","link":"https:\/\/kammerer-gewinde.zold.at\/en\/lexicon\/zero-backlash\/","title":{"rendered":"Zero Backlash"},"content":{"rendered":"\n<p>Zero backlash refers to the state of a mechanical system in which there is no play between coupled components. In the case of screw drives, this means that there is no axial play between the screw and the nut, and changes in the direction of movement are transmitted without delay. <\/p>\n\n<p>Zero backlash is crucial for:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>High positioning and repeatability accuracy<\/li>\n\n\n\n<li>Direct power transmission without dead travel<\/li>\n\n\n\n<li>Stable control in servo drives<\/li>\n\n\n\n<li>Prevention of jerking and vibrations<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\">Achieving Zero Backlash<\/h3>\n\n<p>Backlash-free designs are usually realized through preloading, e.g.:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Preloaded ball screw nuts<\/li>\n\n\n\n<li>Double nut systems<\/li>\n\n\n\n<li>Adjustable nuts (e.g., KMT or split nuts)<\/li>\n\n\n\n<li>Spring or spacer ring solutions<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Advantages &amp; Disadvantages<\/h2>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Advantages<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Highly precise movements<\/li>\n\n\n\n<li>High rigidity<\/li>\n\n\n\n<li>Good repeatability<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Disadvantages<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Higher frictional torque<\/li>\n\n\n\n<li>Increased wear<\/li>\n\n\n\n<li>Greater drive requirements<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n<h2 class=\"wp-block-heading\">Distinction<\/h2>\n\n<p><strong>Axial play:<\/strong> present: not backlash-free<br\/><strong>Zero backlash:<\/strong> play reduced to zero or eliminated by design<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Zero backlash refers to the state of a mechanical system in which there is no play between coupled components. In the case of screw drives, this means that there is no axial play between the screw and the nut, and changes in the direction of movement are transmitted without delay. Zero backlash is crucial for: [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"lexiconkategorie":[],"class_list":["post-6564","lexicon","type-lexicon","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/kammerer-gewinde.zold.at\/en\/wp-json\/wp\/v2\/lexicon\/6564","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=6564"}],"wp:term":[{"taxonomy":"lexiconkategorie","embeddable":true,"href":"https:\/\/kammerer-gewinde.zold.at\/en\/wp-json\/wp\/v2\/lexiconkategorie?post=6564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}