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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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Overview
This pancake bipolar stepping motor from Sanyo has a 1.8deg; step angle (200steps/revolution). Each phase draws 1A at 4.5V, allowing for a holding torque of 1kg-cm (14oz-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 we recommend using a bipolar stepper motor driver.
Our 5mm universal mounting hub can be used to mount objects on the stepper motor#8217;s 5mm-diameter output shaft.
Specifications
- Size: 50mmsquare—11mm, not including the shaft
- Weight: 90g (3.2oz)
- Shaft diameter: 5mm
- Steps per revolution: 200
- Current rating: 1A per coil
- Voltage rating: 4.5V
- Resistance: 4.5Omega; per coil
- Holding torque: 1kg-cm (14oz-in)
- Inductance: 2mH per coil
- Lead length: 30cm (12³)
- Output shaft supported by two ball bearings
More specifications are available in the datasheet (352k pdf).
Dimensions
The following diagram shows the stepper motor dimensions in mm. The dimension labeled #8220;L#8221; is 11mm. Though the dimension diagram below shows output shafts on both sides, this stepper motor only has a single output shaft (on the side with the mounting plate) with a length of 5mm and a diameter of 5mm. This shaft works with our 5mm universal mounting hub.
We also carry a stronger, taller version of this stepper motor where #8220;L#8221; in the above diagram is 16mm and all other dimensions are the same.
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Bottom view of the 50—11mm Sanyo pancake stepper motor. |
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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 originally called this product the #8220;SANMOTION F2 stepping motor model SS2501-5041#8221;, but as of October 2014, they are transitioning to using the new part number SS2501-8040. This is only a part number change; the product itself is exactly the same.