{"id":6584,"date":"2026-01-23T08:52:58","date_gmt":"2026-01-23T07:52:58","guid":{"rendered":"https:\/\/kammerer-gewinde.zold.at\/lexicon\/pv-value\/"},"modified":"2026-04-14T14:06:22","modified_gmt":"2026-04-14T12:06:22","slug":"pv-value","status":"publish","type":"lexicon","link":"https:\/\/kammerer-gewinde.zold.at\/en\/lexicon\/pv-value\/","title":{"rendered":"PV value"},"content":{"rendered":"\n<p>The PV value is a central parameter for assessing the load capacity and service life of trapezoidal screw drives. It describes the thermal stress on the system and is derived from the product of pressure (P) and velocity (V) between the lead screw and the nut. The higher this value, the greater the thermal load, which can lead to increased wear and potential overheating.  <\/p>\n\n<p>Pressure (P) is the force acting on the contact surfaces between the lead screw and the nut. In trapezoidal screw drives, this force is determined by the load that sets or keeps the screw drive in motion. Higher pressure means a higher load on the contact surfaces. Velocity (V), on the other hand, refers to the relative movement between the lead screw and the nut. In trapezoidal screw drives, this is the speed at which the nut moves along the spindle. Higher speeds lead to higher friction and thus to greater heat generation.     <\/p>\n\n<p>A high PV value can lead to overheating and premature wear of the contact surfaces. It is therefore important to keep the PV value within the limits specified by the manufacturer to ensure a long service life and reliable performance of the trapezoidal screw drive. <\/p>\n\n<h4 class=\"wp-block-heading\">Example<\/h4>\n\n<p>Assuming a trapezoidal screw drive has a load of 500 N (Newtons) and moves at a speed of 0.1 m\/s (meters per second), the PV value would be the product of these two values (50). <\/p>\n","protected":false},"excerpt":{"rendered":"<p>The PV value is a central parameter for assessing the load capacity and service life of trapezoidal screw drives. It describes the thermal stress on the system and is derived from the product of pressure (P) and velocity (V) between the lead screw and the nut. The higher this value, the greater the thermal load, [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"lexiconkategorie":[],"class_list":["post-6584","lexicon","type-lexicon","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/kammerer-gewinde.zold.at\/en\/wp-json\/wp\/v2\/lexicon\/6584","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=6584"}],"wp:term":[{"taxonomy":"lexiconkategorie","embeddable":true,"href":"https:\/\/kammerer-gewinde.zold.at\/en\/wp-json\/wp\/v2\/lexiconkategorie?post=6584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}