STEPPERONLINE 51:1 Planetary Gearbox Nema 17 Gear Stepper Motor Bipolar L=48mm for CNC DIY Router

STEPPERONLINE 51:1 Planetary Gearbox Nema 17 Gear Stepper Motor Bipolar L=48mm for CNC DIY Router

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

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Product ID: 69411341

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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

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Description

🔧 Gear Up for Greatness!

PLUG AND PLAY - No batteries required; simply connect and start your next project with ease.
UNLEASH PRECISION - Experience unparalleled accuracy with a 0.035° step angle, perfect for intricate projects.
BUILT FOR DURABILITY - Crafted from robust metal, this NEMA 17 stepper motor is designed to withstand the rigors of DIY and industrial use.
POWER MEETS EFFICIENCY - Harness the power of a 50.9:1 planetary gearbox for high torque and low-speed applications.
VERSATILE APPLICATIONS - Ideal for CNC routers, 3D printers, and more—your creativity is the only limit!

The STEPPERONLINE51:1 Planetary Gearbox Nema 17 Gear Stepper Motor is a high-performance motor designed for precision applications. With a 50.9:1 gear ratio, 0.035° step angle, and a rated current of 1.68A, this motor is perfect for CNC routers, 3D printers, and various DIY projects. Its durable metal construction ensures longevity, making it a reliable choice for both hobbyists and professionals.

Specifications

Manufacturer	OSM Technology Co.,Ltd.
Part Number	17HS19-1684S-PG51
Item model number	17HS19-1684S-PG51
Size	Nema 17
Material	Metal
Shape	Square
Power Source	DC
Voltage	12 Volts
Item Package Quantity	1
Speed	4 RPM
Cutting Diameter	42 Millimetres
Certification	NEMA
Usage	DIY, Science and Industry, 3D Printer
Batteries included?	No
Batteries Required?	No
Assembled Diameter	42 Millimetres
Item Weight	620 g

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?

Common Questions

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