Page 11 - Kollmorgen PMX Series Stepper Motor Selection Guide

PMX 08 2 0 – A 1 O – B N 0 – 00 *

Winding
Frame Size
Step Angle
Connection
PMX08 (1.8˚ Step) Performance Data Motor Series Stack Length Front Shaft Opt. Rear Shaft Opt.

Holding Rated Phase Phase Thermal Rotor Shaft Loading
PMX08 Configuration Torque Current/ Resistance Inductance Resistance Inertia Weight
(2 phases on) Phase Radial Axial
Force Force
oz-in
Ohms
lb
lb
lb
mH
[Nm]
Stack Winding Step Bipolar Unipolar +/-12% Amps +/-10% Typical Mounted oz-in-s 2 2 [kg] [N] [N] PMX08
[kg-m ]
°C/Watt
DC
2.5 2.84E-05 0.1 4.50 0.45
1 A 1 • 0.53 6.70 2.00 15.85
[0.018] [2.01E-07] [0.06] [20.0] [2.0]
4.0 5.11E-05 0.2 4.50 0.45
2 A 1 • 0.66 5.28 1.64 12.99
[0.028] [3.61E-07] [0.08] [20.0] [2.0]
Notes: SERIES STEPPER MO
1. All ratings typical and at 40° C unless otherwise noted.
2. Rated current isΔT = 80° C, ON-PLATE; motor mounted to square aluminum plate heatsink, 2.5X motor diameter, 5mm thick.
3. Small signal inductance as measured with impedance bridge @ 1 KHz, 1 amp. T
PMX08 Series (Bipolar - 1.8˚ Step) Performance Curves ORS

PMX0810-A10 PMX0820-A10
Nm oz-in Rated Current = 0.53 A Nm oz-in Rated Current = 0.66 A
.014 2.0 .025 3.5
3.0
.020
1.5
.010 2.5
.015 2.0
TORQUE 1.0 12 Vdc TORQUE 12 Vdc

.005 .010 1.5
1.0
0.5
.005
0.5
0.0 0.0 0.0 0.0
0 500 1000 1500 2000 2500 3000 RPM 0 500 1000 1500 2000 2500 3000 RPM
0 2500 5000 7500 10000 STEPS/s 0 2500 5000 7500 10000 STEPS/s
SPEED SPEED

*Complete PMX series model nomenclature can be found on page 43.

TM
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