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zł86.90 tax excl.
75:1 Micro Metal Gearmotor HP with Extended Motor Shaft
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free shipping in Poland for all orders over 500 PLN
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Each consumer can return the purchased goods within 14 days
75:1 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 75:1 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: 400 RPM and 70 mA free-run, 22 oz-in (1.6 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 @ 6 V | No-Load Speed @ 6 V | Stall Torque @ 6 V | Gearbox Shaft Only | Gearbox & Motor Shafts |
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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 | 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). |
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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). The gearmotor 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 our Pololu universal mounting hubs to mount custom wheels and mechanism to the micro metal gearmotor’s output shaft.
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- 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. Our micro metal gearmotors will also work with our 15.5D mm metal gearmotor bracket pair.
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- 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. We also have an optical quadrature encoder that can be mounted to the back of micro metal gearmotors with extended motor shafts.
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- 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. We also carry a number of basic motor drivers suitable for use with these motors, including the DRV8833 dual motor driver carrier, the DRV8835 dual motor driver carrier, and the TB6612FNG dual motor driver carrier.
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We also incorporate these motors into some of our products, including our 3pi robot and Zumo robot:
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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. |
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People often buy this product together with:
Optical Encoder Pair Kit for Micro Metal Gearmotors, 5V |
Zumo Robot Kit for Arduino (No Motors) |
Optical Encoder Pair Kit for Micro Metal Gearmotors, 3.3V |
Data sheet
- DC motor power
- HP
- Gear material
- Metal
- Gear ratio
- 75:1
- Rotation speed
- 410 RPM
- Shaft diameter
- 3 mm
- Shaft shape
- D
- Obustronny wał silnika
- Tak
- Power supply voltage
- 6V
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