Search for dissertations about: "Lars O. Ekerfors"

Found 1 swedish dissertation containing the words Lars O. Ekerfors.

2. 1. Boundary lubrication in screw-nut transmissions

   Author : Lars O. Ekerfors; Luleå tekniska universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Maskinelement; Machine Elements;

   Abstract : This report deals with the function of screw-nut transmissions (powerscrews). Two aspects of this function have been investigated. Owing to different running parameters, primarily sliding speed and average pressure between the sliding surfaces of the thread, the coefficient of friction and the efficiency will vary within wide limits. READ MORE