Pololu 75:1 Metal Gearmotor 25Dx54L mm LP 6V Low-Power Brushed DC Motor

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Pololu

Pololu 75:1 Metal Gearmotor 25Dx54L mm LP 6V Low-Power Brushed DC Motor

SKU: PO1586

30,85 €

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Net: 25,92 €

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Delivery time: 2 - 3 weeks (DE - int. shipments may differ)

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Product Information

Product safety information

Manufacturer information:

Pololu Corporation
Pilot Rd. 920
Nevada
Las Vegas, Vereinigte Staaten, 89119
[email protected]
https://www.pololu.com/

Responsible person:

Eckstein GmbH
Am Ostbahnhof 3
Niedersachsen
Clausthal-Zellerfeld, Deutschland, 38678
[email protected]
https://eckstein-shop.de

Dimensions and Weight
GTIN:	4060137101649
HAN:	1586
Category:	I-Form
No-Load Speed (RPM):	80
Form/Type:	Low-Power (LP)
Shaft:	Single
Encoder:	Without
Rated Voltage (V):	6
Gear Ratio:	75:1
Dimension (mm):	25D
Stall Torque (kg-cm):	7.5
No-Load Current (A):	0.1
Max Power (W):	1.5
Stall Current (A):	2
Storage Tiers:	Maintain
Shipping weight:	0,11 kg
Item weight:	0,09 kg
Dimensions ( Length × Width × Height ):	5,40 × 2,50 × 2,50 cm

Product Description

This gearmotor consists of a low-power, 6 V brushed DC motor combined with a 74.83:1 metal spur gearbox. The gearmotor is cylindrical, with a diameter just under 25 mm, and the D-shaped output shaft is 4 mm in diameter and extends 12.5 mm from the face plate of the gearbox. This gearmotor is also available with an integrated encoder PO4826.

These cylindrical brushed DC gearmotors are available in a wide range of gear ratios and with five different motors (two power levels of 6 V motors and three power levels of 12 V motors). The gearmotors all have the same 25 mm diameter case and 4 mm diameter gearbox output shaft, so it is generally easy to swap one version for another if your design requirements change (though the length of the gearbox tends to increase with the gear ratio). Each version is also optionally available with an integrated 48 CPR quadrature encoder.

Note: Stalling or overloading gearmotors can greatly decrease their lifetimes and even result in immediate damage. For these gearboxes, the recommended upper limit for instantaneous torque is 15 kg-cm (200 oz-in); we strongly advise keeping applied loads well under this limit. Stalls can also result in rapid (potentially on the order of a second) thermal damage to the motor windings and brushes, especially for the versions that use high-power (HP) motors; a general recommendation for brushed DC motor operation is 25% or less of the stall current.

Exact gear ratio: 22×20×22×22×22×2312×12×10×10×10×10≈74.83:1

General specifications

Gear ratio: 74.83:1
No-load speed @ 6V: 80 rpm, Typical; ±20%.
No-load current @ 6V: 0.10 A, Typical, ±50%; no-load current depends on internal friction, which is affected by many factors, including ambient temperature and duration of motor operation.
Stall current @ 6V: 2A, Stalling is likely to damage the gearmotor. Stall parameters come from a theoretical extrapolation of performance at loads far from stall. As the motor heats up, as happens as it approaches an actual stall, the stall torque and current decrease.
Stall torque @ 6V: 7.5 kg·cm
Max output power @ 6V: 1.5 W
Motor type: 2.0A stall @ 6V (LP 6V)
Encoders?: N
Size: 25D x 54L mm, Length measurement is from gearbox face plate to back of motor (it does not include the output shaft or motor terminals).
Weight: 91 g
Shaft diameter: 4 mm, D shaft.

Performance at maximum efficiency

Max efficiency @ 6V: 36 %
Speed at max efficiency: 66 rpm
Torque at max efficiency: 1.1 kg·cm
Current at max efficiency: 0.33 A
Output power at max efficiency: 0.72 W

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25D Gearmotor

This File includes

Dimension diagram of the Pololu 25D Metal Gearmotors (pdf)
3D models of 25D mm gearmotors (zip)
Modifying the Wild Thumper to use motors with encoders (pdf)

25D Gearmotor

Manufacturer according to GPSR
Pololu Corporation, Pilot Rd. 920, 89119 Las Vegas, Nevada, Vereinigte Staaten, [email protected], https://www.pololu.com/
Responsible person according to GPSR
Eckstein GmbH, Am Ostbahnhof 3, 38678 Clausthal-Zellerfeld, Niedersachsen, Deutschland, [email protected], https://eckstein-shop.de

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Pololu 75:1 Metal Gearmotor 25Dx54L mm LP 6V Low-Power Brushed DC Motor

Dimensions and Weight

25D Gearmotor

Pololu 75:1 Metal Gearmotor 25Dx54L mm LP 6V Low-Power Brushed DC Motor

Service package

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