Number of teeth of gears z1: 22 Tooth numbers of gears z2: 90 Tooth numbers of gears z3: 23 Tooth numbers of gears z4: 77 The efficiency of gear pairs ηd: 0,96 The efficiency of the bearing pairs ηr: 0,94 Electric motor speed: 2050 Belt speed (v) (m / s): 1.30 Required force for belt movement (N) g: 2200 a) Find the diameter of the drum? b) Find the required motor power?

Number of teeth of gears z1: 22 Tooth numbers of gears z2: 90 Tooth numbers of gears z3: 23 Tooth numbers of gears z4: 77 The efficiency of gear pairs ηd: 0,96 The efficiency of the bearing pairs ηr: 0,94 Electric motor speed: 2050 Belt speed (v) (m / s): 1.30 Required force for belt movement (N) g: 2200 a) Find the diameter of the drum? b) Find the required motor power?

Electrical Transformers and Rotating Machines

4th Edition

ISBN:9781305494817

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter15: Direct Current Motors

Section: Chapter Questions

Problem 17RQ: Who was the first person to establish a measurement for horsepower?

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