Parker Compax3 Series User Manual

Parker EME
Setting up Compax3
192-120114 N5 C3I22T11 June 2008 283
The shown system corresponds for instance to a motor with a flywheel coupled via
a shaft. Hereby J1 corresponds to the motor moment of inertia and J2 to the mo-
ment of inertia of the flywheel.
Calculation of the resonance frequencies in the rotary system with a hollow
shaft as elastic coupling element
⎟
⎟
⎠
⎞
⎜
⎜
⎝
⎛
+⋅⋅
⋅
=
21
Re
11
2
1
JJ
Df
s
π
2
Re
2
1
J
D
f
sA
⋅
⋅
=
π
(
)
l
rrG
drr
l
G
D
IA
r
r
A
I
⋅
−⋅⋅
=⋅⋅
⋅⋅
=
∫
2
2
44
3
ππ
G Shear modulus of the material used [N/m²]
(e.g. approx. 80750N/mm² for steel)
D Torsional rigidity in [m/rad]
rA Outer radius of the hollow shaft
rI Inner radius of the hollow shaft
l Length of the hollow shaft
Linear two mass system
M1
M2
F
F
1
1
D
D
F
F
2
2
Feedback
Resonance frequencies in the linear system
⎟
⎟
⎠
⎞
⎜
⎜
⎝
⎛
+⋅⋅
⋅
=
21
Re
11
2
1
mm
Df
s
π
2
Re
2
1
m
D
f
sA
⋅
⋅
=
π
D Rigidity in [N/m]
m1 e.g. motor mass
m2 e.g. load mass

Parker Compax3 Series Specifications

General

Enclosure Rating	IP20
Control Modes	Speed, Torque, Position
Communication Interfaces	CANopen, EtherCAT
Feedback Options	Incremental Encoder, Resolver
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overtemperature, Short Circuit
Cooling Method	Forced Air, Natural Convection
Relative Humidity	5 to 85 %, non-condensing
Operating Temperature	0 to +45 °C (derating may apply above 40°C)