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17
Specification
Model
T730-012 T840-012
Condition Symbol Unit (SI)
Motor
Rated output PR W 300 400
Rated armature voltage VR V 75 85
Rated torque TR NEm 1.18 1.57
Rated armature current IR A 5.2 5.8
Rated rotating speed NR min|1 2500
Continuous stall torque TS NEm 1.43 1.70
Instantaneous maximum torque TPiNj NEm 9.8 12.0
Stall armature current IS A 5.5 6.0
Instantaneous maximum armature current IPiNj A 40 40
Maximum rotating speed Nmax min|1 4000 4000
Friction torque Tf NEm 0.05 0.06
Rated power rate QR kW/S 5.1 5.0
Instantaneous maximum angular acceleration αP rad/s2 38.4Χ103 24Χ103
Viscous braking constant Fd NEm/min|1 0.039Χ10|3 0.045Χ10|3
Torque constant KT NEm/A 0.273 0.314
Voltage constant KE V/min|1 28.6Χ10|3 32.9Χ10|3
Rotor inertia JM kg₯m2 0.270Χ10|3 0.50Χ10|3
Armature winding resistance Ra Ω 1.1 0.95
Armature inductance Ja mH 1.6 1.9
Mechanical time constant tm ms 4.0 5.2
Electrical time constant te ms 1.5 2.0
Thermal time constant tθ min 30 30
Thermal resistance Rθ K/W 1.2 1.1
Heatup limit θ K 105 105
Mass W/M kg 2.5 3.4
Tachogenerator
Coefficient of voltage generated KEG V/min|1 7Χ10|3±10
Effective (rms) ripple εs 1
Peak-to-peak ripple εs 3
Linearity δL 1
Armature winding resistance Ri Ω 26
Armature inductance Li mH 4.1
Minimum load resistance RL kΩ 10
Rotor inertia JTG kg₯m2 0.012Χ10|3
Mass WT kg 0.35 0.45
Holding brake
Holding torque TB NEm 1.47 1.96
Voltage VB V DC 90 90
Current IB A 0.11 0.11
Resistance RB Ω 820 820
Inertia JB kg₯m2 0.009Χ10|3 0.02Χ10|3
Mass WB kg 0.59 0.79
Optical encoder pulse number
Open collector 200 500 1000 P/R
Line driver 1000 2000 2500 5000 10000 P/R
Gear 1/15 1/30 1/60 1/90
Oil seal Installable
Motor Characteristic curve
Speed N (V=75V)
40 4000
30 3000
20 2000
10 1000
0
0 5 10
0
(A) (min-1)
TorqueT (NEm)
Current la Speed N
Instantaneous-operation domain
Speed N (V=37.5)
Repeated-operation domain
Current la
Continuous-operation domain
80 4000
60 3000
40 2000
20 1000
0
0 5 10
0
(A) (min-1)
TorqueT (NEm)
Current la Speed N
Instantaneous-operation domain
Speed N (V=85V)
Speed N (V=42.5)
Repeated-operation domain
Continuous-operation domain
Current la
Note 1) The mark * in the Condition column is a value that applies when the ambient temperature
and armature winding temperature are 25 .The mark * is a value that applies
when the temperature has risen to the limit.
2) The figures in the above table apply when a smooth DC power supply is used at an ambient
temperature of no more than 40 .
3) The characteristics of the tachogenerator are based on the use of a test circuit illustrated
below.
4) The values in the above table were measured when a specific device was mounted on
an aluminum plate. T4 type, T5 type (200mm Height Χ 200mm width Χ 12mm thick), and
T7 and T8 type (305mm Height Χ 305mm width Χ 12mm thick).
5) No encoder can be installed on a T4 type equipped with a tachogenerator.
6) Do not use a holding brake for quick braking.
7) The T404 and T406 series are compatible with products having a rated voltage ER of 24V.
8) The brake can be of the 24V type (optional).
10kΩ
TG 10kΩ 0.1μF
Servo motor
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