Home » Products » Stepper Motor & Drive » Open-Loop Stepper Motors » SOYA NEMA 17 (42mm) High-Torque Open-Loop Stepper Motor Series

soya nema 17 42mm open loop hybrid stepper motor

SOYA NEMA 17 (42mm) High-Torque Open-Loop Stepper Motor Series

The SOYA NEMA 17 (42mm) is a premium 2-phase open-loop hybrid stepper motor series engineered by SoyaMotor. As the industry standard for precision positioning, this series features a 1.8° step angle and high power density within a versatile 42mm square frame footprint. Designed for continuous factory workloads and high-resolution motion profiling, this open-loop series is available in multiple optimized stack lengths—delivering exceptionally reliable mechanical holding torque perfectly tailored for 3D printers, desktop CNC routers, medical devices, and automated robotics.

Model:
SY42HS
Brand:
SOYA

Availability:

Quantity:



Inquire Add to Basket

Product Description

SOYA NEMA 17 (42mm) Open-Loop Hybrid Stepper Motor Series

Empower your precision motion frameworks with the high-torque SOYA NEMA 17 series hybrid stepper motor. Featuring a standard 42mm square frame size and a precise 1.8° step angle, this open-loop actuator effortlessly balances tight spatial integration with robust torque distribution. Engineered entirely on our own factory floor from high-grade silicon core laminations and premium bearings, it suppresses electrical heat and mechanical noise to deliver outstanding continuous reliability and multi-shift endurance.

Key Features & Benefits

⚡ Advanced High-Torque Output Optimized magnetic circuit designs provide exceptional torque-to-weight delivery, ensuring strong angular acceleration and preventing positional lag under industrial loads.

⚙️ Industry-Standard Adaptability The classic NEMA 17 mechanical footprint and standard output shaft configurations provide perfect drop-in compatibility for major global CNC and 3D printing gantries.

Industrial Grade Structural Build Manufactured entirely in our own factory from premium stator cores and heavy-duty bearings to drastically suppress mechanical noise and suppress electrical heat generation.

Scalable Engineering Options Fully customizable configurations available upon request, including customized shaft profiles, special gear teeth, dedicated flying lead lengths, and custom electronic plugs.

Typical Applications

3D Printers & Extruders Desktop CNC Routers & Engravers Medical Laboratory Equipment Automated Dispensing Systems Pick-and-Place Machine Gallys Robotics Arms & Grippers

Technical Specifications

Model No.	Step Angle (°)	Motor Length (mm)	Current/ Phase (A)	Resistance/ Phase (Ω)	Inductance/ Phase (mH)	Holding Torque (g.cm)	Leads (No.)	Rotor Inertia (g.cm²)	Mass (Kg)
SY42HS33-0956	1.8	33	0.95	4.2	2.5	1.6	6	34	0.22
SY42HS33-0406	1.8	33	0.4	2.4	15	1.6	6	34	0.22
SY42HS33-0316	1.8	33	0.31	38.5	21	1.6	6	34	0.22
SY42HS33-1334	1.8	33	1.33	2.1	2.5	2.2	4	34	0.22
SY42HS40-1206	1.8	40	1.2	3.3	3.2	2.6	6	54	0.28
SY42HS40-0806	1.8	40	0.8	7.5	6.7	2.6	6	54	0.28
SY42HS40-0406	1.8	40	0.4	30	30	2.6	6	54	0.28
SY42HS40-1684	1.8	40	1.68	1.65	3.2	3.6	4	54	0.28
SY42HS47-1206	1.8	47	1.2	3.3	2.8	3.17	6	68	0.35
SY42HS47-0806	1.8	47	0.8	7.5	6.3	3.17	6	68	0.35
SY42HS47-0406	1.8	47	0.4	30	25	3.17	6	68	0.35
SY42HS47-1684	1.8	47	1.68	1.65	2.8	4.4	4	68	0.35
SY42HS47-1004	1.8	47	1.00	3.33	2.5	4.2	4	68	0.35
SY42HS60-1206	1.8	60	1.2	6	7	6.5	6	102	0.5

Dimension & Mechanical Drawings

NEMA 17 (42mm) Open Loop Stepper Motor DWG

Why Choose SOYAMOTOR?

Our roots go back to 2002 as “Songya Motor Control Factory”. In 2017, we incorporated as Changzhou Songya Electromechanical Co., Ltd., marketing our systems worldwide under our registered brand SOYAMOTOR. Leveraging over 20 years of deep expertise in stepper, servo, and brushless motor manufacturing, we design and produce a comprehensive range of premium CNC digital cutting tools on our own shop floor. Beyond oscillating knives, our in-house production includes servo oscillating knives, drag knives, kiss-cut knives, creasing wheels, rotary knives, V-cut tools, and punching tools—delivering factory-direct precision with 100% traceable quality.

✓ 20+ Years Industrial Expertise ✓ In-House Motor & Tool Manufacturing ✓ 100% Traceable Quality Control