Setting up Compax3 C3I22T11
284 192-120114 N5 C3I22T11 June 2008
Toothed belt drive as two mass system
m2
Motor
Getriebe
ntriebszahnrad
bewe
te Masse
D
1
D
2
l
1
l
2
Masse
Zahnriemen
l
Achse
In toothed belt drives, the toothed belt is the elastic coupling element. Its rigidity
depends directly on the lengths I1 and I2 and changes in dependance of the positi-
on of the moved mass.
⎟
⎟
⎠
⎞
⎜
⎜
⎝
⎛
−⋅
⋅
=+===
−⋅==
Achse
spezspezspez
Achsespez
l
l
l
D
DDD
l
D
D
l
D
D
lll
F
D
1
1
2121
12
max
2
2
;
2
;
1
2;
004,0
()
()
⎟
⎟
⎠
⎞
⎜
⎜
⎝
⎛
⋅
+⋅⋅=⋅=
2
1
2
2
ReRe
1
2
1
22
1
Getriebe
Zahnrad
ssA
iJ
r
m
Df
m
D
f
ππ
D Total spring constant of the toothed belt drive
Dspez Specific spring constant of the toothed belt used
D1 Spring rate of the belt length I1
D2 Spring rate of the belt length I2
iGearbox Transmission ratio of the gearbox
IAxis Length of the axis
J1 Moment of inertia of motor and gearbox
m2 translatory moved mass
rToothed
wheel
Radius of the drive pinion
4.3.9.9 Examples are available as a movie in the help file
Here you can find examples as a movie in the help file.