Fundamentals of mechanical friction Stationary friction body, uniformly moving friction plate Features - stationary friction body, uniformly moving friction plate Learning objectives/experiments - difference between static and dynamic friction - friction forces as a function of -- normal force, material pairing, size of contact area -- sliding velocity (relative velocities of the friction partners) -- surface properties of the friction partners - determine coefficients of friction Specification [1] fundamentals of mechanical friction [2] stationary friction body and force gauge and motor-driven friction plate [3] 2 friction bodies, each with two different surfaces [4] 2 friction plates with a total of three different surfaces [5] 2 cable drum driving velocities [6] force gauge overload-proof with clearly legible dial [7] storage system for all parts Technical data Friction plates - Al / felt, PVC Friction body - smooth / rough (Al), brass / felt Drive with synchronous motor - driving velocities: 23,5cm/min; 47cm/min Weights - 8x 0,5N Measuring ranges - force: 0...2N, graduation: 0,1N 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase 120V, 60Hz, 1 phase UL/CSA optional LxWxH: 720x480x178mm (storage system) Weight: approx. 10kg (storage system) Weight: approx. 4kg (experimental unit)