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Leanmotor Nema 17 Geared 2-Phase Stepping Motor with Worm Gearbox 42x42mm 4-Wires Or 6-Wires

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Leanmotor Nema 17 Geared 2-Phase Stepping Motor with Worm Gearbox 42x42mm 4-Wires Or 6-Wires

Type: Nema17 2Phase Worm Geared Stepper Motor

Current: 0.4 A-1.7A

Customized: Connectors, Gearbox, Encoder, Brake, Lead Screw, Integrated Driver...

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Model:
Nema 17 Worm Geared Stepper Motor
Brand:
LeanMotor
Stepper Motor Kinds:
Gearbox Motors
Stepper Motor Size:
Nema17 (42mm)
Number of Leads:
4wires, 6wires
Phase:
2 Phase
Step Angle:
0.9°, 1.8°
MOQ:
10 Pcs

General Specifications：

Item	Specifications
Step Angle	1.8° or 0.9°
Temperature Rise	80℃max
Ambient Temperature	-20℃~+50℃
Insulation Resistance	100 MΩ Min. ,500VDC
Dielectric Strength	500VAC for 1minute
Shaft Radial Play	0.02Max. (450g-load)
Shaft Axial Play	0.08Max. (450g-load)
Max. radial force	28N (20mm from the flange)
Max. axial force	10N

0.9 Degree Nema 17 42mm Stepping Motor Electrical Specifications:

Model No.	Step Angle	Motor Length	Current	Resistance	Inductance	Holding Torque	# of Leads	Detent Torque	Rotor Inertia	Mass
Model No.	( °)	(L)mm	A	Ω	mH	Kg.cm	No.	g.cm	g.cm2	Kg
LM42HM34-1334	0.9	34	1.33	2.1	4.2	2.2	4	200	35	0.22
LM42HM40-1684	0.9	40	1.68	1.65	3.2	3.3	4	220	54	0.28
LM42HM48-1684	0.9	48	1.68	1.65	4.1	4.4	4	250	68	0.38
LM42HM60-1684	0.9	60	1.68	1.65	5	5.5	4	270	106	0.55

Note: Above only for representative products, products of special request can be made according to the customer request.

1.8 Degree Nema 17 42BYG Step Motor Electrical Specifications:

Model No.	Step Angle	Motor Length	Current	Resistance	Inductance	Holding Torque	# of Leads	Detent Torque	Rotor Inertia	Mass
Model No.	( °)	(L)mm	A	Ω	mH	Kg.cm	No.	g.cm	g.cm2	Kg
LM42HS25-0404	1.8	25	0.4	24	36	1.5	4	75	20	0.15
LM42HS28-0504	1.8	28	0.5	20	21	1.8	4	85	24	0.22
LM42HS34-1334	1.8	34	1.33	2.1	2.5	2.6	4	120	34	0.22
LM42HS34-0956	1.8	34	0.95	4.2	2.5	2.2	6	120	34	0.22
LM42HS40-1704	1.8	40	1.7	1.5	2.3	4.2	4	150	54	0.28
LM42HS40-1206	1.8	40	1.2	3	2.7	3.2	6	150	54	0.28
LM42HS48-1684	1.8	48	1.68	1.65	2.8	5.5	4	260	68	0.38
LM42HS48-1206	1.8	48	1.2	3.3	2.8	4	6	260	68	0.38
LM42HS60-1704	1.8	60	1.7	3	6.2	7.3	4	280	102	0.55
LM42HS60-1206	1.8	60	1.2	6	7	5.6	6	280	102	0.55

Note: Above only for representative products, products of special request can be made according to the customer request.

Wires Connection:

Bipolar:

A+	A-	B+	B-
Black	Green	Red	Blue

Unipolar:

A+	O+	A-	B+	O-	B-
Black	Yellow	Green	Red	White	Blue

FAQs from the Product Perspective

(NEMA 17 Worm Geared Stepper Motor)

1. What is a NEMA 17 worm geared stepper motor used for?

A NEMA 17 worm geared stepper motor is widely used in applications requiring high torque, precise positioning, and self-locking capability, such as automation equipment, valve control, medical devices, lifting mechanisms, and robotics.

2. What are the main advantages of a worm gear stepper motor?

Worm gearing provides high torque multiplication, compact structure, smooth operation, and a self-locking function that prevents back-driving.

3. What does NEMA 17 mean for this stepper motor?

NEMA 17 refers to a 1.7 × 1.7 inch (42 × 42 mm) motor mounting face, making it a standard size for industrial and automation applications.

4. Does the worm gear provide a self-locking function?

Yes, worm gear reducers typically offer self-locking, allowing the motor to hold position even when power is off.

5. What gear reduction ratios are available?

Multiple gear ratios are available to meet different torque and speed requirements, depending on the application.

6. How does the worm gearbox affect output torque?

The worm gearbox significantly increases output torque while reducing output speed, ideal for heavy-load and low-speed applications.

7. Is this motor suitable for vertical or lifting applications?

Yes, the self-locking feature makes it suitable for vertical movement and load-holding applications.

8. What step angle accuracy does the NEMA 17 worm geared motor provide?

It maintains the standard stepper motor accuracy while offering improved positioning resolution after gear reduction.

9. What materials are used in the worm gearbox?

The gearbox typically uses hardened steel worm shafts and durable bronze or alloy gears for long service life.

10. Can this motor operate continuously under load?

Yes, it is designed for continuous-duty operation when used within rated torque and temperature limits.

FAQs from the Factory Customization Capability Perspective

11. Can Lean Motor customize the gear ratio of the worm gearbox?

Yes, gear ratios can be customized to match specific speed and torque requirements.

12. Is it possible to customize output shaft type and size?

Output shaft diameter, length, and shape can be customized to suit different mechanical designs.

13. Can the stepper motor winding be customized?

Lean Motor can customize winding parameters to optimize current, torque, and speed for specific applications.

14. Are different gearbox materials available for special environments?

Yes, materials and surface treatments can be customized for high-load, high-temperature, or corrosive environments.

15. Can backlash be reduced for precision applications?

Backlash control and optimization are available to meet high-precision motion control requirements.

16. Does Lean Motor support encoder integration with worm geared stepper motors?

Yes, encoders or other feedback devices can be integrated to provide closed-loop control.

17. Are custom mounting flanges or housings available?

Mounting flanges, housings, and mechanical interfaces can be customized for easy integration.

18. Does Lean Motor offer OEM or private labeling services?

OEM branding, logo printing, and customized packaging are available for brand owners and distributors.

19. Can Lean Motor support prototype or low-MOQ orders?

Yes, the factory supports low-MOQ production and prototype development for evaluation and testing.

20. What technical support is provided for customized worm geared stepper motors?

Lean Motor provides full engineering support, including selection guidance, drawings, performance testing, and after-sales service.

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