Current: 0.5A/1A
Resistance: 20/2.7/3.8/10/2Ω
Rated Torque: 1000/1200/1400/1500/2000g.cm (14.16oz.in)
| Availability: | |
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| Quantity: | |
Nema 14 Common Planetary Geared Stepper Motor
LeanMotor
LM28HS32-0674
Gearbox Motors
Nema14 (35mm)
4wires
2 Phase
0.9°, 1.8°
10 Pcs
| Item | Specifications |
| Step Angle | 0.9° or 1.8° |
| 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 |
| Model No. | Step Angle | Motor Length | Current | Resistance | Inductance | Holding Torque | # of Leads | Detent Torque | Rotor Inertia | Mass |
| ( °) | (L)mm | A | Ω | mH | g.cm | No. | g.cm | g.cm2 | Kg | |
| LM35HM27-0504 | 0.9 | 27 | 0.5 | 10 | 14 | 1000 | 4 | 80 | 6 | 0.13 |
| LM35HM34-1004 | 0.9 | 34 | 1 | 2 | 3 | 1200 | 4 | 110 | 9 | 0.17 |
| LM35HM40-1004 | 0.9 | 40 | 1 | 2 | 4 | 1500 | 4 | 140 | 12 | 0.22 |
Note: Above only for representative products, products of special request can be made according to the customer request.
| Model No. | Step Angle | Motor Length | Current | Resistance | Inductance | Holding Torque | # of Leads | Detent Torque | Rotor Inertia | Mass |
| ( °) | (L)mm | A | Ω | mH | g.cm | No. | g.cm | g.cm2 | Kg | |
| LM35HS28-0504 | 1.8 | 28 | 0.5 | 20 | 14 | 1000 | 4 | 80 | 11 | 0.13 |
| LM35HS34-1004 | 1.8 | 34 | 1 | 2.7 | 4.3 | 1400 | 4 | 100 | 13 | 0.17 |
| LM35HS42-1004 | 1.8 | 42 | 1 | 3.8 | 3.5 | 2000 | 4 | 125 | 23 | 0.22 |
Note: Above only for representative products, products of special request can be made according to the customer request.
| A+ | A- | B+ | B- |
| Black | Green | Red | Blue |
| Item | Specifications |
| Step Angle | 0.9° or 1.8° |
| 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 |
| Model No. | Step Angle | Motor Length | Current | Resistance | Inductance | Holding Torque | # of Leads | Detent Torque | Rotor Inertia | Mass |
| ( °) | (L)mm | A | Ω | mH | g.cm | No. | g.cm | g.cm2 | Kg | |
| LM35HM27-0504 | 0.9 | 27 | 0.5 | 10 | 14 | 1000 | 4 | 80 | 6 | 0.13 |
| LM35HM34-1004 | 0.9 | 34 | 1 | 2 | 3 | 1200 | 4 | 110 | 9 | 0.17 |
| LM35HM40-1004 | 0.9 | 40 | 1 | 2 | 4 | 1500 | 4 | 140 | 12 | 0.22 |
Note: Above only for representative products, products of special request can be made according to the customer request.
| Model No. | Step Angle | Motor Length | Current | Resistance | Inductance | Holding Torque | # of Leads | Detent Torque | Rotor Inertia | Mass |
| ( °) | (L)mm | A | Ω | mH | g.cm | No. | g.cm | g.cm2 | Kg | |
| LM35HS28-0504 | 1.8 | 28 | 0.5 | 20 | 14 | 1000 | 4 | 80 | 11 | 0.13 |
| LM35HS34-1004 | 1.8 | 34 | 1 | 2.7 | 4.3 | 1400 | 4 | 100 | 13 | 0.17 |
| LM35HS42-1004 | 1.8 | 42 | 1 | 3.8 | 3.5 | 2000 | 4 | 125 | 23 | 0.22 |
Note: Above only for representative products, products of special request can be made according to the customer request.
| A+ | A- | B+ | B- |
| Black | Green | Red | Blue |
| Model | / | HPR35-L1 | ||||
| Gear Ratio | / | 3 | 4 | 5 | 6 | 7 |
| Gear Trains | / | 1 | ||||
| Gearbox Length | mm | 60 | ||||
| Rated Torque | N.m | 6 | 7 | 6.5 | 5 | 5 |
| Sundden Stop Torque | N.m | 12 | 14 | 13 | 10 | 10 |
| Back Lash | arcmin | ≤15 arcmin | ||||
| Efficiency | % | 96% | ||||
| Suitable Motor Dimension | mm | Φ5-10 / Φ22-2 / F26-M3 | ||||
| Rated Input Speed | Rpm | 1000 | ||||
| Max Input Speed | Rpm | 2000 | ||||
| Average Life Span | h | 20000 | ||||
| Axial Force | N | 100 | ||||
| Radial Force | N | 270 | ||||
| Noise | dB | ≤55 | ||||
| Protection Level | IP | IP54 | ||||
| Work Temp. | ℃ | -20 to +150 | ||||
| Out Shaft Type | / | Key Shaft Type | ||||
| Model | / | HPR35-L2 | ||||||||||
| Gear Ratio | / | 9 | 15 | 20 | 25 | 30 | 35 | 42 | ||||
| Gear Trains | / | 2 | ||||||||||
| Gearbox Length | mm | 69.5 | ||||||||||
| Rated Torque | N.m | 8 | 9 | 8.5 | 8.5 | 7 | 7 | 7 | ||||
| Sundden Stop Torque | N.m | 16 | 18 | 17 | 17 | 14 | 14 | 14 | ||||
| Back Lash | arcmin | ≤25 arcmin | ||||||||||
| Efficiency | % | 94% | ||||||||||
| Suitable Motor Dimension | mm | Φ5-10 / Φ22-2 / F26-M3 | ||||||||||
| Rated Input Speed | Rpm | 1000 | ||||||||||
| Max Input Speed | Rpm | 2000 | ||||||||||
| Average Life Span | h | 20000 | ||||||||||
| Axial Force | N | 100 | ||||||||||
| Radial Force | N | 270 | ||||||||||
| Noise | dB | ≤55 | ||||||||||
| Protection Level | IP | IP54 | ||||||||||
| Work Temp. | ℃ | -20 to +150 | ||||||||||
| Out Shaft Type | / | Key Shaft Type | ||||||||||
| Model | / | HPR35-L3 | ||||||
| Gear Ratio | / | 45 | 100 | 120 | 140 | 150 | 175 | 210 |
| Gear Trains | / | 3 | ||||||
| Gearbox Length | mm | 79 | ||||||
| Rated Torque | N.m | 10 | 9 | 9 | 9 | 8.5 | 8.5 | 8.5 |
| Sundden Stop Torque | N.m | 20 | 18 | 18 | 18 | 17 | 17 | 17 |
| Back Lash | arcmin | ≤25 arcmin | ||||||
| Efficiency | % | 90% | ||||||
| Suitable Motor Dimension | mm | Φ5-10 / Φ22-2 / F26-M3 | ||||||
| Rated Input Speed | Rpm | 1000 | ||||||
| Max Input Speed | Rpm | 2000 | ||||||
| Average Life Span | h | 20000 | ||||||
| Axial Force | N | 100 | ||||||
| Radial Force | N | 270 | ||||||
| Noise | dB | ≤55 | ||||||
| Protection Level | IP | IP54 | ||||||
| Work Temp. | ℃ | -20 to +150 | ||||||
| Out Shaft Type | / | Key Shaft Type | ||||||
| Model | / | HPR35-L1 | ||||
| Gear Ratio | / | 3 | 4 | 5 | 6 | 7 |
| Gear Trains | / | 1 | ||||
| Gearbox Length | mm | 60 | ||||
| Rated Torque | N.m | 6 | 7 | 6.5 | 5 | 5 |
| Sundden Stop Torque | N.m | 12 | 14 | 13 | 10 | 10 |
| Back Lash | arcmin | ≤15 arcmin | ||||
| Efficiency | % | 96% | ||||
| Suitable Motor Dimension | mm | Φ5-10 / Φ22-2 / F26-M3 | ||||
| Rated Input Speed | Rpm | 1000 | ||||
| Max Input Speed | Rpm | 2000 | ||||
| Average Life Span | h | 20000 | ||||
| Axial Force | N | 100 | ||||
| Radial Force | N | 270 | ||||
| Noise | dB | ≤55 | ||||
| Protection Level | IP | IP54 | ||||
| Work Temp. | ℃ | -20 to +150 | ||||
| Out Shaft Type | / | Key Shaft Type | ||||
| Model | / | HPR35-L2 | ||||||||||
| Gear Ratio | / | 9 | 15 | 20 | 25 | 30 | 35 | 42 | ||||
| Gear Trains | / | 2 | ||||||||||
| Gearbox Length | mm | 69.5 | ||||||||||
| Rated Torque | N.m | 8 | 9 | 8.5 | 8.5 | 7 | 7 | 7 | ||||
| Sundden Stop Torque | N.m | 16 | 18 | 17 | 17 | 14 | 14 | 14 | ||||
| Back Lash | arcmin | ≤25 arcmin | ||||||||||
| Efficiency | % | 94% | ||||||||||
| Suitable Motor Dimension | mm | Φ5-10 / Φ22-2 / F26-M3 | ||||||||||
| Rated Input Speed | Rpm | 1000 | ||||||||||
| Max Input Speed | Rpm | 2000 | ||||||||||
| Average Life Span | h | 20000 | ||||||||||
| Axial Force | N | 100 | ||||||||||
| Radial Force | N | 270 | ||||||||||
| Noise | dB | ≤55 | ||||||||||
| Protection Level | IP | IP54 | ||||||||||
| Work Temp. | ℃ | -20 to +150 | ||||||||||
| Out Shaft Type | / | Key Shaft Type | ||||||||||
| Model | / | HPR35-L3 | ||||||
| Gear Ratio | / | 45 | 100 | 120 | 140 | 150 | 175 | 210 |
| Gear Trains | / | 3 | ||||||
| Gearbox Length | mm | 79 | ||||||
| Rated Torque | N.m | 10 | 9 | 9 | 9 | 8.5 | 8.5 | 8.5 |
| Sundden Stop Torque | N.m | 20 | 18 | 18 | 18 | 17 | 17 | 17 |
| Back Lash | arcmin | ≤25 arcmin | ||||||
| Efficiency | % | 90% | ||||||
| Suitable Motor Dimension | mm | Φ5-10 / Φ22-2 / F26-M3 | ||||||
| Rated Input Speed | Rpm | 1000 | ||||||
| Max Input Speed | Rpm | 2000 | ||||||
| Average Life Span | h | 20000 | ||||||
| Axial Force | N | 100 | ||||||
| Radial Force | N | 270 | ||||||
| Noise | dB | ≤55 | ||||||
| Protection Level | IP | IP54 | ||||||
| Work Temp. | ℃ | -20 to +150 | ||||||
| Out Shaft Type | / | Key Shaft Type | ||||||






Connectors, Gearbox, Encoder, Brake, Integrated Driver...
Connectors, Gearbox, Encoder, Brake, Integrated Driver...
1. What is a NEMA 14 planetary geared stepper motor?
A NEMA 14 planetary geared stepper motor combines a 35 mm stepper motor with a planetary gearbox to increase torque and improve positioning accuracy in compact systems.
2. Why use a planetary gearbox with a NEMA 14 stepper motor?
The planetary gearbox boosts output torque, reduces speed, minimizes backlash, and maintains high transmission efficiency.
3. What are typical applications for NEMA 14 planetary geared stepper motors?
They are commonly used in medical devices, laboratory automation, 3D printers, optical equipment, and compact robotics.
4. How much torque can a NEMA 14 planetary geared stepper motor provide?
Torque output depends on motor length and gearbox ratio, making it suitable for light to medium-load applications.
5. What gearbox ratios are available for NEMA 14 planetary stepper motors?
Common planetary gearbox ratios range from low to high reductions to meet different speed and torque requirements.
6. How does the planetary gearbox affect positioning accuracy?
By reducing output speed and backlash, the gearbox increases effective resolution and motion precision.
7. Is the NEMA 14 planetary geared stepper motor suitable for continuous operation?
Yes, it is designed for reliable continuous operation under proper load and thermal conditions.
8. What is the standard step angle of a NEMA 14 stepper motor?
The standard step angle is 1.8°, and microstepping can further enhance smoothness and accuracy.
9. How does it compare to a spur geared stepper motor?
Planetary gearboxes offer smoother motion, higher efficiency, and lower backlash than spur gear designs.
10. Can a NEMA 14 planetary stepper motor replace a small servo motor?
In low-speed, high-precision applications, it can be a cost-effective alternative to a servo motor.
11. Can NEMA 14 planetary geared stepper motors be customized?
Yes, motor torque, winding parameters, voltage, and current can be customized.
12. Are different planetary gearbox ratios available?
Yes, multiple reduction ratios can be selected to match application-specific performance needs.
13. Can encoders be added to NEMA 14 planetary stepper motors?
Yes, incremental or magnetic encoders can be integrated for feedback or closed-loop control.
14. Can the motor be supplied with a matching stepper driver?
Yes, compatible stepper drivers can be provided to ensure optimal system performance.
15. Are low-backlash or high-precision gearbox options available?
Yes, precision-grade planetary gearboxes with reduced backlash are available.
16. Can the output shaft be customized?
Yes, shafts can be customized with D-shaft, round shaft, keyed shaft, or special machining.
17. Can the motor be adapted for noise-sensitive applications?
Yes, optimized gear profiles, lubrication, and microstepping configurations help reduce noise.
18. What quality control tests are performed before shipment?
Testing includes torque measurement, backlash inspection, step accuracy testing, and endurance testing.
19. What is the typical lead time for customized NEMA 14 planetary stepper motors?
Custom samples typically take 2–4 weeks, with mass production completed in 4–8 weeks.
20. How does factory-level customization improve system performance?
Customization ensures precise matching of motor, gearbox, and load, resulting in higher efficiency, accuracy, and long-term reliability.
1. What is a NEMA 14 planetary geared stepper motor?
A NEMA 14 planetary geared stepper motor combines a 35 mm stepper motor with a planetary gearbox to increase torque and improve positioning accuracy in compact systems.
2. Why use a planetary gearbox with a NEMA 14 stepper motor?
The planetary gearbox boosts output torque, reduces speed, minimizes backlash, and maintains high transmission efficiency.
3. What are typical applications for NEMA 14 planetary geared stepper motors?
They are commonly used in medical devices, laboratory automation, 3D printers, optical equipment, and compact robotics.
4. How much torque can a NEMA 14 planetary geared stepper motor provide?
Torque output depends on motor length and gearbox ratio, making it suitable for light to medium-load applications.
5. What gearbox ratios are available for NEMA 14 planetary stepper motors?
Common planetary gearbox ratios range from low to high reductions to meet different speed and torque requirements.
6. How does the planetary gearbox affect positioning accuracy?
By reducing output speed and backlash, the gearbox increases effective resolution and motion precision.
7. Is the NEMA 14 planetary geared stepper motor suitable for continuous operation?
Yes, it is designed for reliable continuous operation under proper load and thermal conditions.
8. What is the standard step angle of a NEMA 14 stepper motor?
The standard step angle is 1.8°, and microstepping can further enhance smoothness and accuracy.
9. How does it compare to a spur geared stepper motor?
Planetary gearboxes offer smoother motion, higher efficiency, and lower backlash than spur gear designs.
10. Can a NEMA 14 planetary stepper motor replace a small servo motor?
In low-speed, high-precision applications, it can be a cost-effective alternative to a servo motor.
11. Can NEMA 14 planetary geared stepper motors be customized?
Yes, motor torque, winding parameters, voltage, and current can be customized.
12. Are different planetary gearbox ratios available?
Yes, multiple reduction ratios can be selected to match application-specific performance needs.
13. Can encoders be added to NEMA 14 planetary stepper motors?
Yes, incremental or magnetic encoders can be integrated for feedback or closed-loop control.
14. Can the motor be supplied with a matching stepper driver?
Yes, compatible stepper drivers can be provided to ensure optimal system performance.
15. Are low-backlash or high-precision gearbox options available?
Yes, precision-grade planetary gearboxes with reduced backlash are available.
16. Can the output shaft be customized?
Yes, shafts can be customized with D-shaft, round shaft, keyed shaft, or special machining.
17. Can the motor be adapted for noise-sensitive applications?
Yes, optimized gear profiles, lubrication, and microstepping configurations help reduce noise.
18. What quality control tests are performed before shipment?
Testing includes torque measurement, backlash inspection, step accuracy testing, and endurance testing.
19. What is the typical lead time for customized NEMA 14 planetary stepper motors?
Custom samples typically take 2–4 weeks, with mass production completed in 4–8 weeks.
20. How does factory-level customization improve system performance?
Customization ensures precise matching of motor, gearbox, and load, resulting in higher efficiency, accuracy, and long-term reliability.