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DD Motors

Rotary DD Motors

JTR49 series
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Description
- Outer diameter 490mm, Hollow 125mm, Resistance type
- Max torque : 540Nm,780Nm,1090Nm 3 types
Specification
Model
JTR4960
JTR4990
JTR49C0
Performance Parameters
Symbol
Units
Continuous Torque
Tc
N
200
300
400
Peak Torque
Tp
N
540
780
400
Continuous Current
Ic
Arms
10.5
10.5
10.5
Peak Current
Ip
Arms
35.1
35.1
35.1
Torque Constant
Kt
Nm/Arms
19.0
28.6
38.1
Back EMF Constant (phase to phase)
Ke
Vrms/rad/sec
11.0
16.5
22.0
Resistance (phase to phase at 25℃)
Rs
Ω
1.8
2.2
2.7
Inductance (phase to phase)
Ls
mH
19.4
28.8
39.9
Motor Constant
KM
10.2
13.9
16.7
Electrical Time Constant
τe
msec
10.8
13.1
14.8
Axial Run-out(No Load) 　
㎛
40/20
40/20
40/20
Radial Run-out(No Load) 　
㎛
40/20
40/20
40/20
Max Axial Load 　
kg
1,100
1,100
1,100
Max Moment Load 　
Nm
250
250
250
Rotor Inertia
I
kgm²
0.536
0.631
0.762
Motor Weight
Mm
kg
80.2
91.5
100.5
Motor Height
Mh
mm
95.5
107.5
126.5
Max Speed
Vmax
rps
2.8
1.9
1.4
List