Sanyo Miniature Stepper Motor: Bipolar, 200 Steps/Rev, 14×30mm, 6.3V, 0.3 A/Phase, Double Shaft
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Bipolar stepper motor wires are terminated with bare leads. |
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Sanyo bipolar stepper motor wiring diagram. |
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This tiny bipolar stepping motor from Sanyo has a 1.8° step angle (200 steps/revolution) and is available with a single shaft or double shaft. Each phase draws 300 mA at 6.3 V, allowing for a holding torque of 66 g-cm (0.92 oz-in). The motor has four color-coded wires terminated with bare leads: red and yellow connect to one coil; orange and blue connect to the other. It can be controlled by a pair of suitable H-bridges (one for each coil), but Pololu recommend using a bipolar stepper motor driver or one of Pololu's Tic Stepper Motor Controllers. In particular, the Tics make control easy because they support six different interfaces (USB, TTL serial, I²C, RC, analog voltages, and quadrature encoder) and are configurable over USB with Pololu's free configuration utility.
Pololu's 4 mm universal mounting hub can be used to mount objects on the stepper motor’s 4 mm-diameter output shaft.
Specifications
- Size: 14 mm square × 30 mm, not including the shaft
- Weight: 27 g (single shaft) or 28 g (double shaft)
- Shaft diameter: 4 mm
- Steps per revolution: 200
- Current rating: 300 mA per coil
- Voltage rating: 6.3 V
- Resistance: 21 O per coil
- Holding torque: 66 g-cm (0.92 oz-in)
- Inductance: 4.2 mH per coil
- Lead length: 30 cm (12")
- Output shaft supported by two ball bearings
More specifications are available in the datasheet (125k pdf).
Dimensions
The following diagram shows the stepper motor dimensions in mm. This motor is 30 mm in length. The output shaft has a length of 15 mm and a diameter of 4 mm. The second shaft on the dual version has a length of 10 mm and a diameter of 4 mm. This shaft works with Pololu's 4 mm universal mounting hub.
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The inside of a bipolar stepper motor (SOYO NEMA 14-size). |
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Stepper Motor Applications
Stepper motors are generally used in a variety of applications where precise position control is desirable and the cost or complexity of a feedback control system is unwarranted. Here are a few applications where stepper motors are often found:
- Printers
- CNC machines
- 3D printer/prototyping machines (e.g. RepRap)
- Laser cutters
- Pick and place machines
- Linear actuators
- Hard drives
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Sanyo stepper motors; from left to right: 14mm single shaft, 42×18.6mm, 50×11mm, 14mm double shaft |
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Note: Sanyo Denki calls these products the “SANMOTION F2 Small Size 2-Phase Stepping Motor Models SH2141-5541 (or SH2141-5541P)” and “SH2141-5511 (or SH2141-5511P)”. The one ending in 5541/5541P is the part number for the single shaft version while the one ending in 5511/5511P is the part number for the double shaft version.
People often buy this product together with:
 | Pololu Universal Aluminum Mounting Hub for 4mm Shaft, #4-40 Holes (2-Pack) |
 | A4988 Stepper Motor Driver Carrier |
 | Stepper Motor: Bipolar, 200 Steps/Rev, 20×30mm, 3.9V, 0.6 A/Phase |
Dimensions
| Size: | 14mm square × 30 mm1 |
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| Weight: | 28 g |
| Shaft diameter: | 4 mm |
General specifications
| Shaft type: | Double shaft |
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| Current rating: | 300 mA2 |
| Voltage rating: | 6.3 V |
| Holding torque: | 0.92 oz·in |
| Steps per revolution: | 200 |
| Resistance: | 21 Ohm2 |
| Inductance per phase: | 4.2 mH |
| Number of leads: | 4 |
| Lead length: | 30 cm |
| Encoders?: | N |
Notes:
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Unit 18, 132 Garden Grove Parade
Adamstown
NSW, 2289
Australia
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