Page 11 - Kollmorgen PMX Series Stepper Motor Selection Guide
P. 11

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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