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Available Frame Sizes
PK Series with Planetary (PS) Gear (0.72°/step)
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Planetary Geared (PS) Type
The PS gear mechanism is comprised primarily of a sun gear, planetary gears and an internal tooth gear. The sun gear is installed on the central axis surrounded by planetary gears enclosed in an internal tooth gear centered on the central axis. The PS gear offers high permissible torque and low backlash [ 15 ~ 25 arc minute (0.25º~0.42º)]. Gear ratios of 5:1, 7.2:1, 10:1, 25:1, 36:1 and 50:1 are available.
Encoder Models Available
500 pulse/rev.
3-channel TTL type or 3-channel line driver type
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Product Lineup
Type |
Motor Frame Size |
Connection |
Basic Step Angle | Lead Wires |
Max. Holding Torque |
|
| w/o Encoder | w/ Encoder | |||||
 Planetary Geared |
1.10 in. (28 mm) | - | New Pentagon (Bipolar) | 0.072° – 0.144° | 5 | 28 ~ 56 oz-in (0.2 ~ 0.4 N·m) |
| 1.65 in. (42 mm) | 1.65 in. (42mm) | New Pentagon (Bipolar) | 0.0144° – 0.144° | 5 | 8.8 ~ 26 lb-in (1.0 ~ 3 N·m) |
|
| 2.36 in. (60 mm) | 2.36 in. (60 mm) | New Pentagon (Bipolar) | 5 | 30 ~ 70 lb-in (3.5 ~ 8 N·m) |
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| 3.54 in. (90 mm) | 3.54 in. (90 mm) | New Pentagon (Bipolar) | 5 | 123 ~ 360 lb-in (14 ~ 37 N·m) |
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