Engineering Guide CDA3000
A.1.2
Important units .................................................... A-4
A.2
Drive engineering equations ..................................A-5
A.2.1
Basic physical equations ..................................... A-5
A.2.2
Power .................................................................. A-6
A.2.3
Torques ............................................................. A-11
A.2.4
Work ................................................................. A-12
A.2.5
Friction .............................................................. A-14
A.2.6
Effective motor torque/power output .................. A-15
A.2.7
Choice of max. acceleration ............................... A-17
A.2.8
Mass moments of inertia ................................... A-20
A.2.9
V/t diagram ........................................................ A-27
A.2.10
Efficiencies, coefficients of friction and density .. A-30
A.2.11
Motor lists ......................................................... A-34
A.3
Protection ..............................................................A-40
A.3.1
Protection to IEC/EN ........................................... A-40
A.3.2
Protection to EEMAC and Nema ......................... A-43
B
Practical working aids for the project
engineer
C
Bibliography and source reference
D
Index