

KM Series High-Torque Stepper Motors
The KM Series of high-torque stepper motors is available in NEMA 23, 34 and 42 frame sizes (60, 90 and 110 mm), offering a wide range of models for most stepper applications. Nominal holding torques range from 0.52 to 30.8 N-m (74 to 4,360 oz-in). These motors provide a cost-effective, high-performance alternative to pneumatic, hydraulic and servo motor systems.

Features
- KM06 models: NEMA 23 (60 mm) motors available in 3 stack lengths with torque ratings from 0.38 to 2.47 N-m (54 to 350 oz-in) nominal holding torque
- KM09 models: NEMA 34 (90 mm) motors available in 3 stack lengths with torque ratings from 2.15 to 8.15 N-m (305 to 1,155 oz-in) nominal holding torque
- KM11 models: NEMA 42 (110 mm) motors available in 3 stack lengths with torque ratings from 7.3 to 26.5 N-m (1,030 to 3,750 oz-in) nominal holding torque
- Speeds up to 3,000 RPM meet the velocity requirements of most high torque applications
Specifications
KM06
Motor Frame | Minimum Holding Torque | Rotor Inertia | *Weight | Maximum Shaft Load | Minimum residual Torque |
|||
---|---|---|---|---|---|---|---|---|
Unipolar 2Ø on | Bipolar 2Ø on | Net | Ship | Overhang | Thrust | |||
oz-in (N-cm) |
oz-in (N-cm) |
oz-in-s2 (kg-cm2) |
lb (kg) |
lb (kg) |
lb (kg) |
lb (kg) |
oz-in (N-cm) |
|
KM060 | 54 (38) |
68 (48) |
0.00154 (0.108) |
1.03 (0.47) |
1.1 (0.050) |
15 (6.8) |
25 (11) |
2.0 (1.4) |
KM061 | 128 (90.4) |
170 (120) |
0.0034 (0.24) |
1.6 (0.73) |
1.7 (0.77) |
15 (6.8) |
25 (11) |
3.0 (2.1) |
KM062 | 188 (133) |
250 (177) |
0.0056 (0.395) |
2.3 (1.04) |
2.5 (1.1) |
15 (6.8) |
25 (11) |
6.0 (4.2) |
KM063 | 263 (186) |
350 (247) |
0.0084 (0.593) |
3.2 (1.45) |
3.4 (1.5) |
15 (6.8) |
25 (11) |
7.0 (4.9) |
* Weight for motor with leads (add approximately 0.2 lbs for terminal box).
KM09
Motor Frame | Minimum Holding Torque | Rotor Inertia | *Weight | Maximum Shaft Load | Minimum residual Torque |
|||
---|---|---|---|---|---|---|---|---|
Unipolar 2Ø on | Bipolar 2Ø on | Net | Ship | Overhang | Thrust | |||
oz-in (N-cm) |
oz-in (N-cm) |
oz-in-s2 (kg-cm2) |
lb (kg) |
lb (kg) |
lb (kg) |
lb (kg) |
oz-in (N-cm) |
|
KM091 | 305 (21.5) |
385 (272) |
0.016 (1.13) |
3.8 (1.73) |
4.0 (1.81) |
25 (11) |
50 (23) |
10 (7.1) |
KM092 | 610 (431) |
770 (544) |
0.031 (2.19) |
6.2 (2.82) |
6.4 (2.90) |
25 (11) |
50 (23) |
15 (11) |
KM093 | 915 (646) |
1155 (816) |
0.47 (3.32) |
8.7 (3.95) |
8.9 (4.03) |
25 (11) |
50 (23) |
23 (16) |
* Weight for motor with leads.
KM11
Motor Frame | Minimum Holding Torque | Rotor Inertia | *Weight | Maximum Shaft Load | Minimum residual Torque |
|||
---|---|---|---|---|---|---|---|---|
Unipolar 2Ø on | Bipolar 2Ø on | Net | Ship | Overhang | Thrust | |||
oz-in (N-cm) |
oz-in (N-cm) |
oz-in-s2 (kg-cm2) |
lb (kg) |
lb (kg) |
lb (kg) |
lb (kg) |
oz-in (N-cm) |
|
KML111 | 1,030 (730) |
1,450 (1,020) |
0.078 (5.5) |
11.0 (5.0) |
12.2 (5.5) |
75 (34.0) |
130 (59.0) |
42 (30) |
KML112 | 1,950 (1,380) |
2,750 (1,940) |
0.155 (10.9) |
18.4 (8.3) |
19.6 (8.9) |
75 (34.0) |
160 (72.6) |
84 (59) |
KML113 | 2,650 (1,870) |
3,750 (2,650) |
0.229 (16.2) |
25.7 (11.7) |
26.9 (12.2) |
75 (34.0) |
160 (72.6) |
106 (75) |
* Weight for motor with leads.
Media & Downloads
Title | Language | Date | Share URL |
---|---|---|---|
Kollmorgen Full-line Catalog | English | Share URLview |
Title | File Language | Date | Share URL |
---|---|---|---|
CE Technical Notice - Servo and Stepper Motors Efficiency | English | |
Share URL /sites/default/files/public_downloads/Kollmorgen%20CE%20Technical%20Notice%20-%20Servo%20and%20Stepper%20Motors%20Efficiency.pdf |
CEL China Efficiency Labelling for Servo and Stepper Motors | English | |
Share URL /sites/default/files/public_downloads/CEL%20Technical%20Notice%20on%20Efficiency%20for%20Servo%20and%20Stepper%20Motors.pdf |
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