{"id":17005,"date":"2026-10-27T11:07:28","date_gmt":"2026-10-27T10:07:28","guid":{"rendered":"https:\/\/ventsystems.de\/lexikon\/spindelantrieb\/"},"modified":"2026-10-27T11:07:28","modified_gmt":"2026-10-27T10:07:28","slug":"spindle-drive","status":"publish","type":"page","link":"https:\/\/ventsystems.de\/en\/lexikon\/spindelantrieb\/","title":{"rendered":"Spindle drive (linear actuator)"},"content":{"rendered":"<p class=\"wp-block-paragraph\">A <strong>spindle drive<\/strong>, often also called <strong>Linear actuator<\/strong> or spindle lift drive, is an electric actuator in which a motor turns a threaded spindle. A spindle nut with push tube then extends and retracts in a straight line. On windows it mainly opens rooflights, roof windows and heavy flaps.<\/p>\n\n\n<h2 class=\"wp-block-heading\">How does a spindle actuator work?<\/h2>\n\n\n<p class=\"wp-block-paragraph\">The motor turns the spindle via a gearbox. The nut cannot rotate with it and therefore travels along the spindle. The push tube transfers the movement to the sash. The thread is self-locking, so the sash stays in position without power.<\/p>\n\n\n<h2 class=\"wp-block-heading\">What is a spindle drive suitable for?<\/h2>\n\n\n<ul class=\"wp-block-list\"><li>rooflights and roof windows<\/li><li>heavy flaps and sashes with high loads<\/li><li>smoke extraction (SHEV) and everyday ventilation<\/li><li>applications where the actuator may be mounted visibly<\/li><\/ul>\n\n\n<h2 class=\"wp-block-heading\">How much force does a spindle drive have?<\/h2>\n\n\n<p class=\"wp-block-paragraph\">Spindle drives achieve high forces, depending on the model 600 to 5000 N. This makes them stronger than most chain actuators. The force required depends on the weight and inclination of the sash, see <a href=\"\/en\/dictionary\/thrust\/\">thrust force<\/a>.<\/p>\n\n\n<h2 class=\"wp-block-heading\">Spindle drives at Vent Systems<\/h2>\n\n\n<p class=\"wp-block-paragraph\"><a href=\"\/en\/product\/vs-la\/\">VS LA<\/a> with 600 to 5000 N, from \u20ac110 net including bracket set, and <a href=\"\/en\/product\/vs-la-i\/\">VS-LA-i<\/a> with synchronisation and bus connection, from \u20ac165. All models: <a href=\"\/en\/product-category\/spindle-drives\/\">Spindle actuators<\/a>. Which type fits is shown in the <a href=\"\/en\/chain-drive-linear-drive-or-rack-and-pinion-drive-which-window-drive-is-suitable-for-which-application\/\">comparison of chain, linear and rack-and-pinion actuators<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ein Spindelantrieb, oft auch Linearantrieb oder Spindelhubantrieb genannt, ist ein elektrischer Antrieb, bei dem ein Motor eine Gewindespindel dreht. Eine Spindelmutter mit Schubrohr f\u00e4hrt dadurch geradlinig aus und ein. Am Fenster \u00f6ffnet er vor allem Lichtkuppeln, Dachfenster und schwere Klappen. Wie funktioniert ein Spindelantrieb? Der Motor dreht \u00fcber ein Getriebe die Spindel. Die Mutter kann [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"parent":16230,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-17005","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/pages\/17005","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/comments?post=17005"}],"version-history":[{"count":0,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/pages\/17005\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/pages\/16230"}],"wp:attachment":[{"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/media?parent=17005"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}