I am using a TB6600 at 2 amps and 36 volts and get over 1,000 rpm but have to use an acceleration curve as the motor won't go from a dead stop to that rpm without stalling.

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STEPPERONLINENema 17 Stepper Motor Bipolar 2A 59Ncm(84oz.in) 48mm Body 4-lead W/ 1m Cable and Connector compatible with 3D Printer/CNC

STEPPERONLINENema 17 Stepper Motor Bipolar 2A 59Ncm(84oz.in) 48mm Body 4-lead W/ 1m Cable and Connector compatible with 3D Printer/CNC

Q: What are the recomended volts and amps for max torque?

The torque in a stepper motor is proportional to the current. For the motor in question, the max current is shown as 2A. The winding resistance is given as 1.4 ohms per phase which works out the 2.8 Volts (2 amps x 1.4 ohms). However, this is not the end of the story. In order to achieve the 2 amp rating once the motor is in motion, requires a much higher supply voltage than 2.8 Volts. This is because once the motor moves, it generates a internal voltage that subtracts from the supply voltage. Additionally, the motor winding inductance prevents the current from rising immediately. To counteract these two forces, you need to apply a much higher voltage to the motor to force the current to the desired level. Using a modern stepper driver that provides adjustable current limiting makes this easy. The overdrive voltage needed will depend on the maximum voltage that the driver can handle, the insulation breakdown voltage of the stepper motor, and the desired speed you need reach. A good starting point is 10 X the value obtained by looking at the the winding resistance and maximum current ratings. In this case 2.8V (see above). That would imply that an overdrive voltage of 28V would be reasonable to use. If you chose this voltage, make sure the stepper driver can handle it. Also make sure your power supply can supply the current. You can back this value down as needed if you don't have to run a very high speeds. Hope this helps you out.

Q: Will this stepper motor work as a replacement for a soyo sy42sth47-1504a used in the lulzbot mini 3d printer?

Based on my review of the two sets of specs, my answer is, this motor will PROBABLY work as a replacement. The physical dimensions and the step angle are a match. This motor requires somewhat more current and has slightly more torque. Unless I missed an important detail, I believe that these motors will work.

Q: Is the 2A max/peak? What's an expected normal amperage?

2A is rated current, we recommend you drive this motor with rated current.

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Product ID: 326497340

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Details

Brand
STEPPERONLINE
Voltage
12 Volts
Horsepower
1.4 hp
Product dimensions
42W x 42H
Material
stainless

📏Compact 48mm body

🔌1m cable with connector

⚙️59Ncm high torque

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Description

⚡️ Unleash precision power in every layer and cut!

PLUG PLAY READY - Includes 1-meter cable with connector for hassle-free setup
COMPACT YET MIGHTY - 48mm body fits seamlessly into tight 3D printer or CNC builds
UNIVERSAL COMPATIBILITY - Standard NEMA 17 bipolar 4-wire design works with most 3D printers and CNC machines
POWERFUL PRECISION TORQUE - 59Ncm (84oz.in) holding torque for smooth, reliable motion
OPTIMIZED CURRENT EFFICIENCY - Rated 2.0A current with 1.4Ω resistance for balanced power and heat management

The Nema 17 Stepper Motor delivers a robust 59Ncm (84oz.in) holding torque with a compact 48mm body, featuring a 1-meter cable and connector for easy integration. Rated at 2.0A current and 1.4Ω resistance, this bipolar 4-wire motor is engineered for reliable, precise motion control in 3D printers and CNC machines.

Specifications

Brand	STEPPERONLINE
Voltage	12 Volts
Horsepower	1.4 hp
Product Dimensions	1.65"W x 1.65"H
Material	lead
Item Weight	14.08 ounces
Manufacturer	OSM Technology Co.,Ltd.
Part Number	17HS19-2004S1
Item Weight	14.1 ounces
Country of Origin	China
Item model number	17HS19-2004S
Is Discontinued By Manufacturer	No
Size	1.65"x1.65"
Item Package Quantity	1
Batteries Included?	No
Batteries Required?	No

Have a Question? See What Others Asked

What are the recomended volts and amps for max torque?

Will this stepper motor work as a replacement for a soyo sy42sth47-1504a used in the lulzbot mini 3d printer?

what is the rpm?

Is the 2A max/peak? What's an expected normal amperage?

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TrustScore 4.5 | 7,300+ reviews

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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