Pololu Stepper Motor NEMA 17 28cm Lead Screw Bipolar 200 Steps Rev 42x38mm 2.8V 1.7 A Phase

Pololu Stepper Motor NEMA 17 28cm Lead Screw Bipolar 200 Steps Rev 42x38mm 2.8V 1.7 A Phase

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

SKU: PO2268
GTIN: 4060137018435
Category: Stepper Motors
Manufacturers: Pololu
MPN: 2268
Storage Tiers: Maintain

Description
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This NEMA 17-size hybrid bipolar stepping motor has an integrated 28 cm (11″) threaded rod as its output shaft, turning it into a linear actuator capable of precision open-loop positioning. The included traveling nut has four mounting holes and moves 40 µm (1.6 mil) per full step; finer resolution can be achieved with microstepping. The stepper motor has a 1.8° step angle (200 steps/revolution) and each phase draws 1.7 A at 2.8 V, allowing for a holding torque of 3.7 kg-cm (51 oz-in).

The lead screw built into this stepper motor extends 28 cm (11″) from the face of the stepper motor and weighs 385 g (13.5 oz). We also carry versions of this stepper motor with an 18 cm and 38 cm lead screw, and we also have the stepper motor available without a lead screw.

Specifications

Size: 42.3 mm square x 38 mm, not including the shaft (NEMA 17)
Leadscrew: Tr 8 x 8(P2)
Steps per revolution: 200
Linear step size: 40 µm (1.6 mil) per full step
Current rating: 1.68 A per coil
Voltage rating: 2.8 V
Resistance: 1.65 Ω per coil
Holding torque: 3.7 kg-cm (51 oz-in)
Inductance: 3.2 mH per coil
Lead length: 16 cm (6.5″)
Output shaft supported by two ball bearings

Note that while the datasheet is for the stepper motor with 28 cm lead screw, the only difference between the three versions is the length of the lead screw.

Dimensions

Size: 42.3 mm square x 38 mm (NEMA 17) Not including the shaft.
NEMA size: 17
Weight: 385 g This measurement includes the traveling nut, which adds 11.6 g (0.41 oz).
Shaft diameter: 8 mm

General specifications

Shaft type: 28 cm threaded rod ISO definition of thread characteristics: Tr 8 x 8(P2) – trapezoidal thread, 8 mm diameter, 8 mm lead, 2 mm pitch.
Current rating: 1680 mA Per coil.
Voltage rating: 2.8 V
Holding torque: 51 oz·in
Steps per revolution: 200
Resistance: 1.65 Ohm⁴
Inductance per phase: 3.2 mH
Number of leads: 4
Lead length: 16 cm After twisting.