Lust CDA3000 - 1 2 Appendix A Formula Bank 3

Engineering Guide CDA3000
A-1
DE
EN
1
2
3
4
5
6
7
A
Appendix A Formula bank
A.1 Mathematical symbols ........................................... A-2
A.1.1 SI units ................................................................A-2
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 output .......................................................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