{"id":6611,"date":"2026-02-06T12:16:21","date_gmt":"2026-02-06T11:16:21","guid":{"rendered":"https:\/\/kammerer-gewinde.zold.at\/lexicon\/temperature-difference\/"},"modified":"2026-04-14T16:58:30","modified_gmt":"2026-04-14T14:58:30","slug":"temperature-difference","status":"publish","type":"lexicon","link":"https:\/\/kammerer-gewinde.zold.at\/en\/lexicon\/temperature-difference\/","title":{"rendered":"Temperature Difference"},"content":{"rendered":"\n<p>The temperature difference describes the disparity between two temperature states of a component, system or its surroundings. In mechanical engineering, it often refers to the difference between operating and ambient temperatures, or to temperature differences within a component, e.g. along a spindle. <\/p>\n\n<p>Temperature differences lead to:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Thermal linear expansion of components<\/li>\n\n\n\n<li>Adjustment of play and preload<\/li>\n\n\n\n<li>Position and path deviations<\/li>\n\n\n\n<li>Additional internal tensions<\/li>\n<\/ul>\n\n<p>Even in screw drives, even small temperature differences can have a measurable effect.<\/p>\n\n<h2 class=\"wp-block-heading\">Technical context<\/h2>\n\n<p>The change in length caused by a temperature difference \u0394T is calculated as follows:<\/p>\n\n<div class=\"wp-block-math\"><math display=\"block\"><semantics><mrow><mrow><mi mathvariant=\"normal\">\u0394<\/mi><\/mrow><mi>L<\/mi><mo>=<\/mo><mi>\u03b1<\/mi><mo>\u22c5<\/mo><mi>L<\/mi><mo>\u22c5<\/mo><mrow><mi mathvariant=\"normal\">\u0394<\/mi><\/mrow><mi>T<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">\\Delta L = \\alpha \\cdot L \\cdot \\Delta T<\/annotation><\/semantics><\/math><\/div>\n\n<p>\u03b1 = Coefficient of thermal expansion<br\/>L = Component length<br\/>\u0394T = Temperature difference<\/p>\n\n<h3 class=\"wp-block-heading\">Practical relevance<\/h3>\n\n<ul class=\"wp-block-list\">\n<li>Differences in the temperature of the spindle and nut can alter the preload<\/li>\n\n\n\n<li>Temperature variations along the spindle cause deformation and a loss of accuracy<\/li>\n\n\n\n<li>Important for high-precision CNC and measurement systems<\/li>\n\n\n\n<li>Accounting for this through temperature compensation, cooling or the selection of suitable materials<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>The temperature difference describes the disparity between two temperature states of a component, system or its surroundings. In mechanical engineering, it often refers to the difference between operating and ambient temperatures, or to temperature differences within a component, e.g. along a spindle. Temperature differences lead to: Even in screw drives, even small temperature differences can [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"lexiconkategorie":[],"class_list":["post-6611","lexicon","type-lexicon","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/kammerer-gewinde.zold.at\/en\/wp-json\/wp\/v2\/lexicon\/6611","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=6611"}],"wp:term":[{"taxonomy":"lexiconkategorie","embeddable":true,"href":"https:\/\/kammerer-gewinde.zold.at\/en\/wp-json\/wp\/v2\/lexiconkategorie?post=6611"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}