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Stepper Motors 
Stepper Motor POWERMAX® series
The motors in size NEMA 23 have an octagonal housing, which shows the structure of the stator lamination.
The rear end bell can be equipped with an 8-pole plug for motor connection. In standard version all motors have an 8-pole flying lead connection. The standard types are available in several lengths and have torques of up to 1,8 Nm.
Motor design
| P Series Standard Hybrid Step Motor | M series Sigmax® Hybrid Step Motor |
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| Typical path of flux transfer in an energized conventional hybrid step motor. Some flux leakage occurs in normal operation. | Patented Sigmax® technology redirects magnetic flux to inhibit leakage and optimize torque production. |
Features
- 2-phase hybrid stepper motor in size NEMA 23
- Full step angle 1,8°
- M series with Sigmax® stator technology for a maximum holding torque of up to 1,8 Nm
- P series with conventional stator design for holding torques of up to 1,4 Nm
- Fully encapsulated stator
- Oversized bearings withstand high radial and axial loads
- Increased reliability due to even heat distribution at the stator
- Highest dynamics at shortest positioning times
Standard version
- NEMA 23
- Smooth shaft Ø 6,35 mm
- 8 flying leads for serial or parallel connection
- Single shaft (version ...-LNN-...)
- Alternative with double shaft (version ...-LDN-...)
Options
Optional low inertia rotor.
Further types and options for this series and other accessories are available upon request.
Dimensions
All Dimensions in mm
| Motor Type | P2H |
P21/M21 |
P22/M22 |
| Length (L) | 40,7 |
52,4 |
78,8 |
Technical Data
P series (standard) and M Series (Sigmax®)
| P2HNRX |
|||||
F |
C |
H |
|||
| Holding torque per winding | MH |
Nm |
0,42 |
0,43 |
0,42 |
| Rated current per winding | I |
A |
1,5 |
2,5 |
5,2 |
| Resistance per winding | Rph |
Ohm |
3,8 |
1,68 |
0,44 |
| Inductance per winding | Lph |
mH |
5,1 |
2,3 |
0,5 |
| Detent torque | MP |
Nm |
0,018 |
0,018 |
0,018 |
| Rotor Inertia | J |
Kgcm2*10-3 |
0,007 |
0,007 |
0,007 |
| Weight | m |
kg |
0,45 |
0,45 |
0,45 |
| P21NRXD |
M21NRXD |
|||||||||
D |
C |
B |
A |
D |
C |
B |
A |
|||
| Holding torque per winding | MH |
Nm |
0,77 |
0,82 |
0,79 |
0,81 |
0,95 |
1,02 |
0,97 |
1 |
| Rated current per winding | I |
A |
1,5 |
3,5 |
4,6 |
5,6 |
1,5 |
3,5 |
4,6 |
5,6 |
| Resistance per winding | Rph |
Ohm |
5,22 |
1,06 |
0,64 |
0,46 |
5,22 |
1,06 |
0,64 |
0,46 |
| Inductance per winding | Lph |
mH |
10,3 |
2,3 |
1,1 |
0,8 |
8,7 |
2 |
1 |
0,7 |
| Detent torque | MP |
Nm |
0,03 |
0,03 |
0,03 |
0,03 |
0,066 |
0,066 |
0,066 |
0,066 |
| Rotor Inertia | J |
Kgcm2*10-3 |
0,012 |
0,012 |
0,012 |
0,012 |
0,012 |
0,012 |
0,012 |
0,012 |
| Weight | m |
kg |
0,68 |
0,68 |
0,68 |
0,68 |
0,68 |
0,68 |
0,68 |
0,68 |
|
P22NRXD |
M22NRXD
|
|||||||||
D |
C |
B |
A |
D |
C |
B |
A |
|||
| Holding torque per winding | MH |
Nm |
1,43 |
1,43 |
1,51 |
1,39 |
1,68 |
1,68 |
1,79 |
1,62 |
| Rated current per winding | I |
A |
2,5 |
3,1 |
4,6 |
6,5 |
2,5 |
3,1 |
4,6 |
6,5 |
| Resistance per winding | Rph |
Ohm |
2,44 |
1,56 |
0,76 |
0,42 |
2,44 |
1,56 |
0,76 |
0,42 |
| Inductance per winding | Lph |
mH |
6,2 |
3,9 |
2,1 |
0,8 |
5 |
3,1 |
1,7 |
0,7 |
| Detent torque | MP |
Nm |
0,05 |
0,05 |
0,05 |
0,05 |
0,12 |
0,12 |
0,12 |
0,12 |
| Rotor Inertia | J |
Kgcm2*10-3 |
0,025 |
0,025 |
0,025 |
0,025 |
0,025 |
0,025 |
0,025 |
0,025 |
| Weight | m |
kg |
1,13 |
1,13 |
1,13 |
1,13 |
1,13 |
1,13 |
1,13 |
1,13 |
Copyright © 2009 Micromech Ltd. All rights reserved.
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