Pololu 70:1 Metal Gearmotor 37Dx70L mm 12V with 64CPR Encoder(Helical Pinion)

Pololu 70:1 Metal Gearmotor 37Dx70L mm 12V with 64CPR Encoder(Helical Pinion)

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Delivery time: 6 - 8 Workdays (DE - int. shipments may differ)

SKU: PO4754
GTIN: 4060137103636
Category: I-Form
Manufacturers: Pololu
MPN: 4754
Storage Tiers: Maintain

Description
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Description

This gearmotor is a powerful 12V brushed DC motor with a 70:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 4480 counts per revolution of the gearbox’s output shaft. The gearbox is composed mainly of spur gears, but it features helical gears for the first stage for reduced noise and improved efficiency. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an encoder (PO4744).

Exact gear ratio: 25×30×28×40 / 10×10×12×10 = 70:1

Key specifications

voltage: 12 V
no-load performance: 150 RPM, 200 mA
stall extrapolation: 27 kg?cm (380 oz?in), 5.5 A

Dimensions

Size: 37D × 70L mm(Length measurement is from gearbox face plate to back of encoder cap (it does not include the output shaft). )
Weight: 205g
Shaft diameter: 6 mm(D shaft)

General specifications

Gear ratio: 70:1
No-load speed @ 12V: 150 rpm
No-load current @ 12V: 0.2 A
Stall current @ 12V: 5.5 A
Stall torque @ 12V: 27 kg·cm(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.)
Max output power @ 12V: 10 W
No-load speed @ 6V: 73 rpm
No-load current @ 6V: 0.15 A
Stall current @ 6V: 3.0 A
Stall torque @ 6V: 16 kg·cm(This motor will run at 6 V but is intended for operation at 12 V.)
Motor type: 12V

Performance at maximum efficiency

Max efficiency @ 12V: 52 %
Speed at max efficiency: 130 rpm
Torque at max efficiency: 3.2 kg·cm
Current at max efficiency: 0.68 A
Output power at max efficiency: 4.2 W

General specifications

Lead length: 20 cm(May vary by a few centimeters.)
Encoders?: Y
Encoder resolution: 64 CPR

Storage Tiers:	Maintain
Dimension (mm):	37D
Max Power (W):	10
Form/Type:	brushed DC
Encoder:	With
Stall Current (A):	5,5
Stall Torque (kg-cm):	27
Rated Voltage (V):	12
Gear Ratio:	70:1
Shaft:	Single
No-Load Speed (RPM):	150
No-Load Current (A):	0,2
Shipping weight:	0,25 kg
Item weight:	0,21 kg
Dimensions ( Length × Width × Height ):	7,00 × 3,70 × 3,70 cm