Re: Unknown servo motor specs

--- In CAD_CAM_EDM_DRO@y..., "David Micklethwaite"
<d.micklethwaite@o...> wrote:

> I have a couple of servo motors that I need to know more about

before I try


Along with Jon's info, the following information on the E19-3 given
to me by the manufacturer, you should have all you need. Sorry in
advance if Yahoo ruins the line wraps.


Motor Torque Constant 0.13 +/-10% Nm/A
Motor Voltage Constant 13.6 +/- 10% V/kRPM
Motor Terminal Resistance 0.37 -> 0.51 Ohms at 25C
Motor Terminal Resistance 0.7 Ohms at Max temp
Motor Armature Resistance 0.25 Ohms at 25C
Maximum Terminal Voltage 60 Volts
Maximum Continuous Speed 4000 RPM
Maximum Peak Torque 6.36 Nm
Maximum Peak Current 50 Amps
Maximum Continuous Current 12.5 Amps
Maximum Stall Torque 1.6 Nm at 25C
Maximum Stall Torque 1.4 Nm at Max temp
Electrical Time Constant 1.7 mS
Mechanical Time Constant 16.8 mS
Motor Inductance 0.64 mH
Motor Inertia 2.50E-04 kg.m^2
Motor Weight 4.5 kg
Maximum Armature Temperature 155 deg C
Static Friction Torque 0.06 Nm
Rotational losses 0.007 Nm/kRPM
Thermal Time Constant 30 Minutes
Thermal Resistance : Armature -> Ambient 1.9 degC/Watt
Thermal Resistance : Housing -> Ambient 0.95 degC/Watt
Thermal Coeff of Magnet Material -0.2 Z/degC
"Dielectric Breakdown, Armature to Ground" 500 VAC/60Hz/1min
Shaft End Play with 44N load : Axial pull 0.5 thou
Shaft End Play with 44N load : Axial push 5 thou
Tachometer Voltage Constant 14.0 +/- 10% Volts/kRPM
Tachometer Resistance 100 +/- 20% Ohms
Tachometer Ripple 2 % at 500 RPM