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50:1 Micro Metal Gearmotor HP with Extended Motor Shaft

690.00 THB

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Part No. : ELE-WA361087364
Manufacture No. : MOT-7364
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รายละเอียดสินค้า: 50:1 Micro Metal Gearmotor HP with Extended Motor Shaft

This gearmotor is a miniature (0.94" x 0.39" x 0.47"), high-power brushed DC motor with 50:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 0.365"-long, 3 mm-diameter D-shaped output shaft. This version also has a 4.5 x 1 mm extended motor shaft.

Key specs at 6 V: 625 RPM and 100 mA free-run, 15 oz-in (1.1 kg-cm) and 1.6 A stall.

 

Overview

These tiny brushed DC gearmotors are intended for use at 6 V, though in general, these kinds of motors can run at voltages above and below this nominal voltage, so they should comfortably operate in the 3 – 9 V range (rotation can start at voltages as low as 0.5 V). Lower voltages might not be practical, and higher voltages could start negatively affecting the life of the motor. The micro metal gearmotors are available in a wide range of gear ratios—from 5:1 up to 1000:1—and offer a choice between three different motors: high-power (HP), medium-power (MP), and standard. With the exception of the 1000:1 gear ratio versions, all of the micro metal gearmotors have the same physical dimensions, so one version can be easily swapped for another if your design requirements change. Please see the micro metal gearmotor comparison table for detailed specifications of all our micro metal gearmotors. This dynamically-sortable table can help you find the gearmotor that offers the best blend of speed, torque, and current-draw for your particular application. A more basic comparison table is available below.

 

Some versions of the gearmotors are sold with an additional 1mm-diameter output shaft that protrudes from the rear of the motor. This 4.5mm-long rear shaft rotates at the same speed as the input to the gearbox and offers a way to add a custom-built encoder to provide motor speed or position feedback.

 

Motor Type

Stall
Current
@ 6V

Speed
@ 6V

Stall Torque
@ 6V



Gearbox Shaft Only



Gearbox & Motor Shafts

high-power
(HP)

1600 mA

6000 RPM

2 oz-in

5:1 micro HP

 

3000 RPM

4 oz-in

10:1 micro HP

10:1 micro HP

1000 RPM

9 oz-in

30:1 micro HP

30:1 micro HP

625 RPM

15 oz-in

50:1 micro HP

50:1 micro HP

400 RPM

22 oz-in

75:1 micro HP

 

320 RPM

30 oz-in

100:1 micro HP

100:1 micro HP

200 RPM

40 oz-in

150:1 micro HP

 

140 RPM

50 oz-in

210:1 micro HP

 

120 RPM

60 oz-in

250:1 micro HP

 

100 RPM

70 oz-in

298:1 micro HP

298:1 micro HP

32 RPM

125 oz-in

1000:1 micro HP

 

medium-power
(MP)

700 mA

2200 RPM

3 oz-in

10:1 micro MP

 

730 RPM

8 oz-in

30:1 micro MP

 

420 RPM

13 oz-in

50:1 micro MP

 

290 RPM

17 oz-in

75:1 micro MP

 

220 RPM

19 oz-in

100:1 micro MP

 

150 RPM

24 oz-in

150:1 micro MP

 

75 RPM

46 oz-in

298:1 micro MP

 

low-power

360 mA

2500 RPM

1 oz-in

5:1 micro

 

1300 RPM

2 oz-in

10:1 micro

 

440 RPM

4 oz-in

30:1 micro

30:1 micro

250 RPM

7 oz-in

50:1 micro

50:1 micro

170 RPM

9 oz-in

75:1 micro

 

120 RPM

12 oz-in

100:1 micro

100:1 micro

85 RPM

17 oz-in

150:1 micro

 

60 RPM

27 oz-in

210:1 micro

 

50 RPM

32 oz-in

250:1 micro

 

45 RPM

40 oz-in

298:1 micro

298:1 micro

14 RPM

70 oz-in

1000:1 micro

 

 

Note: The 1000:1 gearmotors can generate enough torque to damage themselves. The stall torque values given for those two motors are theoretical, and we strongly recommend you avoid stalling them.

 

Gearmotor Dimensions

 

 

 

Micro metal gearmotor dimensions (units in mm).

 

 

 

The gearbox has a long (0.365" or 9.27 mm), 3 mm-diameter D-shaped metal output shaft, and the brass faceplate has two mounting holes threaded for M1.6 screws (1.6 mm diameter, 0.35 mm thread pitch). It weighs approximately 0.35 oz (10 g). Versions with the extended motor shaft have a 1mm diameter round shaft that protrudes 4.5 mm from the rear of the motor, between the two motor terminals; this is not pictured in the above dimension diagram.

 

The gearbox on the 1000:1 and 1000:1 HP micro metal gearmotors is 12.5 mm long. All of the other micro metal gearmotors have 9mm-long gearboxes, as shown in the above dimension diagram.

 

Motor Accessories

  - Wheels and Hubs: The micro metal gearmotor’s output shaft matches our assortment of Pololu wheels and the Solarbotics RW2 rubber wheel. You can also use the Pololu universal mounting hub to mount custom wheels and mechanism to the micro metal gearmotor’s output shaft.

 

 

Pololu wheel 32×7mm on a micro metal gearmotor.

Pololu wheel 42×19mm with micro metal gearmotor.

A pair of Pololu universal aluminum mounting hubs for 3 mm shaft.

 

Black Pololu 70×8mm wheel on a Pololu micro metal gearmotor.

Black Pololu 90×10mm wheel on a Pololu micro metal gearmotor.

Pololu 30T track set with drive sprocket mounted on a micro metal gearmotor to the left; idler sprocket is on the right.

 

  - Mounting Brackets: Our mounting bracket (also available in white) and extended mounting bracket are specifically designed to securely mount the gearmotor while enclosing the exposed gears. We recommend the extended mounting bracket for wheels with recessed hubs, such as the Pololu wheel 42×19mm.

 

 

Black micro metal gearmotor mounting bracket pair with included screws and nuts.

White micro metal gearmotor mounting bracket pair with included screws and nuts.

Pololu micro metal gearmotor bracket extended with micro metal gearmotor.

 

  - Quadrature Encoder: We offer a quadrature encoder for this motor that works with our extended bracket and 42×19mm wheel and provides feedback about wheel rotation (direction and speed). The encoder can be purchased as an individual unit or as part of an encoder set that includes two encoders, a pair of extended brackets, and a pair of 42×19mm wheels—just pick the particular micro metal gearmotor that best suits your application and you have a solution for closed-loop motor control.

 

 

Encoder for Pololu wheel 42×19mm with wheel, motor, and bracket.

Side view of the encoder for Pololu wheel 42×19mm, mounted to a bracket.

Oscilloscope capture of encoder outputs with the wheel spinning at 630 RPM.

 

  - Motor Controllers: We have a number of motor controllers that make it easy to drive these micro metal gearmotors, including our qik 2s9v1 dual serial motor controller and our programmable Baby Orangutan and Orangutan SVP robot controllers. The inexpensive qik 2s9v1 allows variable speed and direction control of two small, brushed DC motors using a simple serial interface; the Orangutans combine a programmable Atmel AVR microcontroller and dual motor driver all in a single package and make interfacing with the motor drivers simple when you use our Pololu AVR library. All of the above controllers use the TB6612FNG dual motor driver, for which we also offer a simple carrier board.

 

 

Pololu qik 2s9v1 dual serial motor controller.

Baby Orangutan B-48/B-168/B-328.

TB6612FNG dual motor driver carrier.

 

Selecting the Right Gearmotor

We offer a wide selection of metal gearmotors that offer different combinations of speed and torque. Our metal gearmotor comparison table can help you find the motor that best meets your project’s requirements.

 

 

 

Some of the Pololu metal gearmotors.

 

 

Dimensions
  - Size:  24 x 10 x 12 mm 
  - Weight:  0.34 oz 
  - Shaft diameter:  3 mm 

 

General specifications
  - Gear ratio:  50:1 
  - Free-run speed @ 6V:  630 rpm 
  - Free-run current @ 6V:  100 mA 
  - Stall current @ 6V:  1600 mA 
  - Stall torque @ 6V:  15 oz·in 
  - Extended motor shaft?:  Y 

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