Engineering Guide CDA3000
2-27
2 Drive definition
DE
EN
1
2
3
4
5
6
7
A
Power factor
P/PN
Loading on the shaft
Figure 2.17
Power factor cos
ϕ
of a four-pole standard three-phase AC
motor
Limit speed
n
max
Limit speed
H
Axle height
1
Greased groove ball bearings in two-pole motors
2
Greased groove ball bearings in four-pole motors and higher
3
Strength of the short-circuiting rings of the rotor cage
4
Bend-critical speed
Figure 2.18
Typical limit speed of a standard three-phase AC motor
1.00
0.75
0.50
0.25
0
0
0.25
0.50
0.75
1,00
1.25
1500 rpm
n
max
rpm
Содержание CDA3000
Страница 62: ...Engineering Guide CDA3000 2 29 2 Drive definition DE EN 1 2 3 4 5 6 7 A Notes ...
Страница 315: ...A 24 Engineering Guide CDA3000 Appendix A Formula bank Movement by rack Movement by cable reel Movement by spindle ...
Страница 317: ...A 26 Engineering Guide CDA3000 Appendix A Formula bank Indexing table with eccentric loads ...
Страница 336: ...Engineering Guide CDA3000 A 45 DE EN FR 1 2 3 4 5 6 A Appendix B Practical working aids for the project engineer ...