Description:
This NEMA-17 motor has an integrated Planetary gearbox with a 991044/2057 :1 ratio.It comes with the rear shaft exposed, so you can mount an encoder or shaft coupler.

When connected to a 1067 - PhidgetStepper Bipolar HC, the 3329 has a maximum speed of 34 RPM. At the output of the gearbox, the step angle is approximately 0.018°. When using the step angle in calculations, you should derive the exact step angle by dividing 1.8° by the gearbox reduction ratio.

At 1.7 Amps, this gearbox stepper can produce a maximum torque of 250 kg-cm. However, the gearbox is only rated for 48 kg-cm of continuous torque, and 100 kg-cm for brief overloads. Loading this gearbox stepper beyond the torque rating of the gearbox will shorten its useful life.

Specifications:

Motor Properties

Motor Type	Bipolar Stepper
Manufacturer Part Number	42STH38-1684B / 36JXS60K99.51
Step Angle	0.018°
Step Accuracy	± 5 %
Holding Torque	48 kg·cm
Rated Torque	48 kg·cm
Maximum Speed (w/1067 Motor Controller)	34 RPM
Acceleration at Max Speed (w/1067 Motor Controller)	1.2E+06 1/16 steps/sec²

Electrical Properties

Recommended Voltage	12 V DC
Rated Current	1.7 A
Coil Resistance	1.7 Ω
Phase Inductance	3.2 H

Physical Properties

Shaft Diameter	8 mm
Rear Shaft Diameter	3.9 mm
Mounting Plate Size	NEMA - 17
Weight	564 g
Number of Leads	4
Wire Length	300 mm

Gearbox Properties

Gearbox Type	Planetary
Gear Ratio	99 ¹⁰⁴⁴⁄₂₀₅₇ : 1
Backlash Error	1 ¹⁄₂°
Maximum Strength of Gears	48 kg·cm
Shaft Maximum Axial Load	49.1 N
Shaft Maximum Radial Load	98.1 N

Resources:

Bipolar Stepper with 99.51:1 Gearbox (42STH38 NEMA-17)

Brand: Phidgets
Product Code: 3329
Availability: In Stock

63.74€
Ex Tax: 52.68€

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