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Q: Will powering this motor with a 12v 2A power supply cause damage? The motor is rated for 12v at 1.68A

No. The IV relation is fixed, meaning when you apply a certain voltage, a corresponding amount of current will flow. Due to the resistances of the windings, when you apply 12 V, only 1.68 A will flow by design. If you try to force 2A, then you will need a higher voltage. With that being said, it is better to use a stepper motor controller IC instead of driving the motor directly from the power supply.

Q: How noisy is this motor?

It has been a long time since I purchased this gear motor and put it service, but do not remember it as being at all noisy.

Q: How much torque is necessary to backdrive this gearbox? I am looking for a backdrivable gearbox.

Are you refering to the gearbox alone or the gearbox plus the motor? The gearbox will simply amplify the amount of torque: if it's a 1:100 gearbox, for backdriving, you need 100 times the torque compared to backdriving the stepper motor shaft directly. As for the actual torque in the presence of the motor, it varies depending on how much current is flowing through the motor. As a crude estimate, even without any current flowing, it is VERY difficult for an average adult male to backdrive the shaft of the gearbox.

Q: Is this kind of motor (with planetary gearbox) necessary for the construction of a syringe pump, or can i use just a nema 17 stepper motor?

I have used the nema 17 stepper motor for making a syringe pump with no gearbox using a leadscrew just fine for up to 25mL syringes. The leadscrew provides sufficient gearing itself. There is a good open source version on university of British Columbia. Possibly a larger syringe would necessitate a gearbox

Product ID: 370303473

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Details

Brand
STEPPERONLINE
Speed
4 RPM
Voltage
12 Volts
Product dimensions
42W x 42H
Material
Metal

📏0.035° Step Angle

🔄4 RPM Speed

⚙️50.9:1 Gear Ratio

Frequently Bought Together

STEPPERONLINE 51:1 Planetary Gearbox High Torque Nema 17 Stepper Motor Precision Camera DIY

STEPPERONLINE NEMA 17 Stepper Motor (Economy Geared Stepper Motor) Alloy Steel Mounting Bracket ST-M1

STEPPERONLINE 27:1 Planetary Gearbox High Torque Nema 17 Stepper Motor 3D Printer DIY Camera

Description

🔧 Elevate Your Engineering Game!

EFFICIENT POWER USE - Rated at 1.68A with a low resistance of 1.65 ohms, it maximizes performance while minimizing energy consumption.
UNMATCHED PRECISION - Experience a step angle of just 0.035°, ensuring your projects are executed with pinpoint accuracy.
VERSATILE APPLICATIONS - Perfect for DIY enthusiasts, scientific projects, and 3D printing, making it a must-have for innovators.
HIGH TORQUE PERFORMANCE - With a robust NEMA 17 design, this motor delivers exceptional torque for demanding applications.
DURABLE METAL CONSTRUCTION - Crafted from high-quality metal, this motor is built to withstand the rigors of any project.

The STEPPERONLINE 51:1 Precision Camera for Nema 17 High Torque Planetary Gearbox is a high-performance stepper motor designed for precision and durability. With a 50.9:1 gear ratio, 0.035° step angle, and a robust NEMA 17 design, it is ideal for a variety of applications including DIY projects, scientific research, and 3D printing. Weighing 620g and powered by a 12V DC source, this motor combines efficiency with high torque output, making it a reliable choice for professionals and hobbyists alike.

Specifications

Manufacturer	OSM Technology Co.,Ltd.
Part number	17HS19-1684S-PG51
Item Weight	620 g
Item model number	17HS19-1684S-PG51
Size	Nema 17
Material	Metal
Shape	Square
Power source type	DC
Voltage	12 Volts
Item Package Quantity	1
Speed	4 RPM
Cutting Diameter	42 Millimeters
Specific uses	DIY, Science and Industry, 3D Printer
Batteries Included?	No
Batteries Required?	No
Item diameter	42 Millimeters

Have a Question? See What Others Asked

Will powering this motor with a 12v 2A power supply cause damage? The motor is rated for 12v at 1.68A

How noisy is this motor?

How much torque is necessary to backdrive this gearbox? I am looking for a backdrivable gearbox.

Is this kind of motor (with planetary gearbox) necessary for the construction of a syringe pump, or can i use just a nema 17 stepper motor?

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$155.73

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TrustScore 4.5 | 7,300+ reviews