Engineering Guide CDA3000
2-15
2 Drive definition
DE
EN
1
2
3
4
5
6
7
A
2.4.1 Example 1:
Trolley drive for
gantry crane
Because of the narrow track width the trolley has a central drive powering
a running wheel on each side. The running wheels are coupled together
by a shaft. The drive system is a four-pole helical gearbox motor with
brake.
Figure 2.2
Standard trolley drive with geared motor
Known data:
Intrinsic weight of the trolley
5 t
Lifting weight
10 t
Running speed
30 m/min.
Two wheels are driven
Wheel diameter
315 mm
Journal diameter
80 mm
Friction pairing (rail/wheel)Steel/steel
Transmission gear
z1=18
z2=34
Efficiency of the drive
80%
Mass moment of inertia of the running wheels
and the shaft
0.85 kgm²
Acceleration and braking time
1.5 s
Max. factor for starting torque
1.25
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 ...