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PHIDGETS Inc.

Unit 1 - 6115 4 St SE
Calgary AB  T2H 2H9
+1 403 282-7335

57STH56 NEMA-23 Bipolar Stepper with 15:1 Gearbox

ID: 3333_0

This powerful bipolar stepper with a rear shaft and a gearbox has a 0.12° step angle and 150 kg·cm of torque at low speeds.

$72.00 Quantity Available: 172 Qty Price 5$69.12
10 $66.24 25$64.80
50 $63.36 100$61.92

This NEMA-23 motor has an integrated Planetary gearbox with a 15 3/10 :1 ratio. It comes with the rear shaft exposed, so you can mount an encoder or shaft coupler. See the Compatible Products tab for a complete list of attachments.

When connected to a 1067 - PhidgetStepper Bipolar HC, the 3333 has a maximum speed of 116 RPM. At the output of the gearbox, the step angle is approximately 0.12°. When using the step angle in calculations, you should derive the exact step angle by dividing 1.8° by the gearbox reduction ratio. See the Compatible Products tab for wiring details.

At 2.8 Amps, this stepper motor can produce a maximum torque of 192 kg-cm. However, the gearbox is only rated for 150 kg-cm of continuous torque. Loading this gearbox stepper beyond the torque rating of the gearbox will shorten its useful life.

Connection

This motor must be controlled by a constant current or chopper drive controller. You can find a list of suitable controllers on the Compatible Products tab. There you will also find compatible attachments such as encoders, mounting hardware, and transmission hardware.

Warning

 Connecting the motor directly to a power supply will destroy the motor and void the warranty.

Product Specifications

Motor Properties
Motor Type Bipolar Stepper
Manufacturer Part Number 57STH56-2804B / 56JXS300K15
Step Angle 0.12°
Step Accuracy ± 5 %
Holding Torque 150 kg·cm
Rated Torque 150 kg·cm
Maximum Motor Speed 116 RPM
Acceleration at Max Speed
(w/1067 Motor Controller)
1.2E+06 1/16 steps/sec²
Electrical Properties
Recommended Voltage 12 V DC
Rated Current 2.8 A
Coil Resistance 900 mΩ
Phase Inductance 2.5 mH
Physical Properties
Shaft Diameter 12 mm
Rear Shaft Diameter 3.9 mm
Mounting Plate Size NEMA - 23
Weight 1.3 kg
Wire Length 300 mm
Gearbox Properties
Gearbox Type Planetary
Gear Ratio 15 310 : 1
Backlash Error 1 12°
Maximum Strength of Gears 150 kg·cm
Shaft Maximum Axial Load 100 N

Motor Controllers

This motor must be controlled by a stepper motor controller. This diagram shows how to connect the motor wires to the controller to produce a clockwise rotation in the stepper motor when increasing position. To wire for counter-clockwise rotation when increasing position, reverse the red and blue wires.

Note: Make sure to unplug the power cord from the motor controller before switching wires around.

Function 3333STC10011067
A Black A A
Green A- B
B Red B C
Blue B- D

The following stepper controllers can be used to drive this motor:

Product Controller Properties Electrical Properties
Image Part Number Price Motor Position Resolution Stepper Velocity Resolution Stepper Velocity Max Available Current per Coil Max
1067_0B $90.00 116 Step (40-Bit Signed) 1 1/16 steps/sec 250000 1/16 steps/sec 4 A STC1000_0$75.00 116 Step (40-Bit Signed) 1 1/16 steps/sec 115000 1/16 steps/sec 4 A
ENC4109_0 $10.00 Push-Pull 40 CPR 6000 RPM Shaft Couplers If you need to connect the main shaft of this motor to the shaft of another device, you can use a shaft coupler: Product Physical Properties Image Part Number Price Inner Diameter Material Coupling Rated Torque Coupling Rated Speed Torsional Stiffness 3428_0$7.50 12 mm Aluminium 60.7 kg·cm 16000 RPM 63 N·m/rad
TRM4317_0 $2.80 12 mm Aluminum 35.7 kg·cm 12000 RPM TRM4318_0$6.85 12 mm Aluminum 611.8 kg·cm 4000 RPM

Pulleys and Sprockets

If you're using this motor to drive a rotary system that requires a lot of torque, you may be interested in pulleys and sprockets. By using a two pulleys or sprockets of different sizes, you can increase the gear ratio of the motor. Pulleys and sprockets can also be used to transmit the motor's rotation over a long distance. For more guidance on building a transmission system, visit our Rotary Motion Primer. Here is a list of our 12mm bore pulleys and sprockets:

Product Physical Properties
Image Part Number Price Inner Diameter Number of Teeth
TRM4107_0 $3.00 12 mm 36 TRM4108_0$3.00 12 mm 44
TRM4109_0 $3.55 12 mm 60 TRM4110_0$4.45 12 mm 80
TRM4120_0 $3.00 12 mm 16 TRM4121_0$3.70 12 mm 24
TRM4122_0 $5.00 12 mm 34 TRM4123_0$7.40 12 mm 50
TRM4124_0 $12.95 12 mm 72 TRM4139_0$2.45 12 mm 10
TRM4140_0 $2.80 12 mm 18 TRM4141_0$3.35 12 mm 32
TRM4142_0 $4.65 12 mm 52 TRM4144_0$2.80 12 mm 9
TRM4145_0 $3.55 12 mm 14 TRM4146_0$4.45 12 mm 20

Rotary Bearings

Systems with heavy loads or pulley/sprocket assemblies often put a lot of sideways strain on the motor shaft. If you're using this motor to drive such a system, you can use rotary bearings to protect the motor:

Product Physical Properties Mechanical Properties
Image Part Number Price Inner Diameter Bearing Type Static Load Dynamic Load
TRM4502_0 $2.75 12 mm Rotary Shaft (Flanged) 2.4 kN 5.1 kN TRM4503_0$2.75 12 mm Rotary Shaft (Pillow Block) 2.4 kN 5.1 kN

Mounting Brackets

Mounting this motor to a flat surface is easy with these metal mounting brackets. The holes on the bracket match those on the back of the motor, as well as the ones on the front of the gearbox. The following brackets will fit the mounting holes on this motor:

Product Physical Properties
Image Part Number Price Mounting Plate Size Material
3339_0 $4.00 NEMA - 23 Mild Steel (Coated) Here's a list of our bipolar stepper motors: Product Motor Properties Electrical Properties Physical Properties Gearbox Properties Image Part Number Price Step Angle Rated Torque Maximum Motor Speed Recommended Voltage Shaft Diameter Weight Gear Ratio 3304_0$15.00 3 34° 590 g·cm 4105 RPM 12 V DC 5 mm 171 g
3320_0 $16.00 1.8° 520 g·cm 426 RPM 12 V DC 5 mm 111.4 g 3321_0$36.00 0.067° 14 kg·cm 120 RPM 12 V DC 6 mm 217.5 g 26 103121 : 1
3322_0 $38.00 0.018° 32 kg·cm 35 RPM 12 V DC 6 mm 243.6 g 99 10442057 : 1 3323_0$16.00 1.8° 1.2 kg·cm 2150 RPM 12 V DC 5 mm 200 g
3324_0 $16.00 1.8° 3.3 kg·cm 2150 RPM 12 V DC 5 mm 289 g 3325_0$40.00 0.35° 18 kg·cm 904 RPM 12 V DC 8 mm 457 g 5 211 : 1
3326_0 $42.00 0.13° 30 kg·cm 295 RPM 12 V DC 8 mm 502 g 13 212289 : 1 3327_0$44.00 0.067° 30 kg·cm 174 RPM 12 V DC 8 mm 503 g 26 103121 : 1
3328_0 $46.00 0.035° 48 kg·cm 63 RPM 12 V DC 8 mm 564 g 50 43974913 : 1 3329_0$48.00 0.018° 48 kg·cm 34 RPM 12 V DC 8 mm 564 g 99 10442057 : 1
3330_0 $28.00 0.9° 11.2 kg·cm 2150 RPM 12 V DC 14 695 g 3331_0$20.00 1.8° 11 kg·cm 2150 RPM 12 V DC 14 686 g
3332_0 $70.00 0.42° 46.6 kg·cm 375 RPM 12 V DC 12 mm 1.2 kg 4 14 : 1 3333_0$72.00 0.12° 150 kg·cm 116 RPM 12 V DC 12 mm 1.3 kg 15 310 : 1
3334_0 $74.00 0.023° 240 kg·cm 25 RPM 12 V DC 12 mm 1.5 kg 76 4964 : 1 3335_0$60.00 1.8° 30 kg·cm 200 RPM 30 V DC 12 mm 1.8 kg
3336_0 $80.00 1.8° 106 kg·cm 1500 RPM 30 V DC 58 5.2 kg 3340_0$20.00 0.9° 3.3 kg·cm 2344 RPM 12 V DC 5 mm 288 g