Open AccessInfluence of the Applied Measurement Methodology on the Results of Geometric Measurements of the SB4 Spring Clips
Author(s) -
Małgorzata Ostromęcka,
Andrzej Aniszewicz
Publication year - 2021
Publication title -
problemy kolejnictwa
Language(s) - English
Resource type - Journals
eISSN - 2544-9451
pISSN - 0552-2145
DOI - 10.36137/1914e
Subject(s) - spring (device) , clips , dimension (graph theory) , clamping , dispersion (optics) , acoustics , structural engineering , computer science , mathematics , computer vision , engineering , artificial intelligence , optics , physics , pure mathematics
The article presents the results of measurements of the “b” dimension of the SB4 spring clips carried out using three measurement methods that differ in the method and width of the base plate contact. The results obtained are presented and the uncertainty of measurement for each method is estimated. Attention was paid to the issues of the obtained dispersion of the value of the “b” dimension. The tolerated dimensions are discussed. The proposed measurement methods can help to identify shape mismatches of spring clips. Keywords: rail fastening, spring clip, dimensional measurements, clamping force