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Home / Common Planetary Geared Motor

Planetary Gearbox Stepper Motor

What is planetary gearbox?

A planetary gear system, also known as an epicyclic gear system, consists of spur gears arranged in a specific configuration. In this setup, a central gear, referred to as the sun gear, functions as the primary input and driving gear. Surrounding the sun gear are three or more planet gears, which rotate around it as part of the planetary gearbox. These planet gears engage with an inner ring gear, forming an internal spur gear design.

 

The design of planetary gear trains allows for a very robust and durable system, as the planet gears are evenly spaced around the sun gear. This arrangement distributes the load effectively, enhancing strength and reliability. Additionally, a notable advantage of planetary gearsets is their adaptability; modifying the gear ratio is straightforward and can be accomplished by simply swapping the carrier and sun gears.

 

Mechanism and Design

Planetary gearsets operate using spur gears that move in opposite directions within the same plane. While spur gears are fundamental in terms of engineering, lacking the specialized angles or cuts found in bevel or herringbone gears, the complexity lies in their tooth shape design. This design is crucial as it dictates the contact points between gear teeth, which subsequently influences the power, torque, and speed capabilities of the system based on the application.

 

Overall, the versatility and efficiency of planetary gear systems make them ideal for a variety of applications, providing effective gearing solutions for numerous mechanical systems.

Features:

  • Increased Torque Output 
  • Enhanced Positioning Accuracy and Resolution 
  • High Efficiency with Minimal Power Loss 
  • Compact and Space-Efficient Design 
  • Low Backlash for High Precision 
  • High Load Capacity and Durability 
  • Wide Range of Gear Ratios 
  • Compatibility with Stepper Motor Drivers and Controllers
nema 11 geared stepper motor

NEMA 11 Hybrid Stepper Motor with Common Planetary Gearbox

Stepper motor, small size, high torque, low noise, step angle: 1.8°, NEMA11, 28x28mm
Gear Ratio: 1 Stage:  4/5/7/10:1 
2 Stage: 16/20/25/28/30/35/40/45/50/70/100:1 
3 Stage: 64/80/100/125/140/175/200:1
Optional: Lead-wires, gearbox, encoder, brake, integrated drivers...
Model Gearbox Step Angle Phase Shaft Wires Body Length Shaft Dia Shaft Length Current Resistance Inductance Holding Torque Leads No. Rotor Inertia Weight
/ (°) / / / (L)mm mm mm A Ω mH N.cm No. g.cm2 Kg
JK28HS32-0674 HPR28 1.8 2 Round Direct wires 32 5 10 0.67 5.6 3.4 6 4 9 0.11
JK28HS45-0674 HPR28 1.8 2 Round Direct wires 45 5 10 0.67 6.8 4.9 9.5 4 12 0.14
JK28HS51-0674 HPR28 1.8 2 Round Direct wires 51 5 10 0.67 9.2 7.2 12 4 18 0.2

NEMA 11 JK-HPR28 L Series Common Planetary Gearbox Specification

Model / JK-HPR28-L1 JK-HPR28-L2 JK-HPR28-L3
Gear Ratio / 4 5 7 10 16 20 25 28 30 35 40 45 50 70 100 64 80 100 125 140 175 200
Gear Trains / 1 2 3
Gearbox Length mm 53 61 69
Rated Torque N.m 2 2 2 1 4 4 4 4 4 4 4 4 3 3 3 6 6 6 6 6 6 6
Sundden Stop Torque N.m 4 4 4 2 8 8 8 8 8 8 8 8 6 6 6 12 12 12 12 12 12 12
Back Lash arcmin ≤15 arcmin ≤20 arcmin ≤25 arcmin
Efficiency % 96 94 90
Suitable Motor Dimension mm Φ5-10 / Φ22-2.5 / F23-M2.5
Rated Input Speed rpm 1000
Max Input Speed rpm 2000
Average Life Span h 20000
Axial Force N 100
Radial Force N 300
Noise dB ≤55
Protection Level IP IP54
Work Temp. ℃ -20 to + 150
Out Shaft Type / D-cut Type
nema 14 planetary gearbox stepper motor

NEMA 14 Hybrid Stepper Motor with Common Planetary Gearbox

Stepper motor, small size, high torque, low noise, step angle: 0.9° or 1.8°, NEMA14, 35x35mm
Gear Ratio: 1 Stage: 3/4/5/6/7:1
2 Stage: 9/15/20/25/30/35:1
3 Stage: 45/100/120/140/150/175/210:1
Optional: Lead-wires, gearbox, encoder, brake, integrated drivers...
Model Gearbox Step Angle Phase Shaft Wires Body Length Shaft Dia Shaft Length Current Resistance Inductance Holding Torque Leads No. Rotor Inertia Weight
/ (°) / / / (L)mm mm mm A Ω mH N.cm No. g.cm2 Kg
JK35HS28-0504 HPR35 1.8 2 Round Direct wire 28 5 10 0.5 20 14 10 4 11 0.13
JK35HS34-1004 HPR35 1.8 2 Round Direct wire 34 5 10 1 2.7 4.3 14 4 13 0.17
JK35HS42-1004 HPR35 1.8 2 Round Direct wire 42 5 10 1 3.8 3.5 20 4 23 0.22

NEMA 14 JK-HPR35 L Series Common Planetary Gearbox Specification

Model / JK-HPR35-L1 JK-HPR35-L2 JK-HPR35-L3
Gear Ratio / 3 4 5 6 7 9 15 20 25 30 35 42 45 100 120 140 150 175 210
Gear Trains / 1 2 3
Gearbox Length mm 60 69.5 79
Rated Torque N.m 6 7 6.5 5 5 8 9 8.5 8.5 7 7 7 10 9 9 9 8.5 8.5 8.5
Sundden Stop Torque N.m 12 14 13 10 10 16 18 17 17 14 14 14 20 18 18 18 17 17 17
Back Lash arcmin ≤15 arcmin ≤20 arcmin ≤25 arcmin
Efficiency % 96 94 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
nema 17 geared stepper motor

NEMA 17 Hybrid Stepper Motor with JK-HPR42 L / LSW Series Common Planetary Gearbox

Stepper motor, high torque, low noise, smooth type, step angle: 1.8° or 0.9°, NEMA17, 42x42mm
Gear Ratio: 1 Stage: 4/5/10:1
2 Stage: 20/25/50/100:1
Optional: Lead-wires, gearbox, encoder, brake, integrated drivers...
Model Gearbox Step Angle Phase Shaft Wires Body Length Shaft Dia Shaft Length Current Resistance Inductance Holding Torque Leads No. Rotor Inertia Weight
/ (°) / / / (L)mm mm  mm A Ω mH N.cm No. g.cm2 Kg
JK42HS25-0404 FLE42-L 1.8 2 Round Lead wire 25 5 10 0.4 24 36 15 4 20 0.15
JK42HS25-0404 FLE42-LSW 1.8 2 Round Lead wire 25 5 24 0.4 24 36 15 4 20 0.15
JK42HS28-0504 FLE42-L 1.8 2 Round Lead wire 28 5 10 0.5 20 21 18 4 24 0.22
JK42HS28-0504 FLE42-LSW 1.8 2 Round Lead wire 28 5 24 0.5 20 21 18 4 24 0.22
JK42HS34-1334 FLE42-L 1.8 2 Round Lead wire 34 5 10 1.33 2.1 2.5 26 4 34 0.22
JK42HS34-1334 FLE42-LSW 1.8 2 Round Lead wire 34 5 24 1.33 2.1 2.5 26 4 34 0.22
JK42HS34-0956 FLE42-L 1.8 2 Round Lead wire 34 5 10 0.95 4.2 2.5 22 6 34 0.22
JK42HS34-0956 FLE42-LSW 1.8 2 Round Lead wire 34 5 24 0.95 4.2 2.5 22 6 34 0.22
JK42HS40-1206 FLE42-L 1.8 2 Round Lead wire 40 5 10 1.2 3 2.7 32 6 54 0.28
JK42HS40-1206 FLE42-LSW 1.8 2 Round Lead wire 40 5 24 1.2 3 2.7 32 6 54 0.28
JK42HS40-1704 FLE42-L 1.8 2 Round Lead wire 40 5 10 1.7 1.5 2.3 42 4 54 0.28
JK42HS40-1704 FLE42-LSW 1.8 2 Round Lead wire 40 5 24 1.7 1.5 2.3 42 4 54 0.28
JK42HS48-1206 FLE42-L 1.8 2 Round Lead wire 48 5 10 1.2 3.3 2.8 40 6 68 0.35
JK42HS48-1206 FLE42-LSW 1.8 2 Round Lead wire 48 5 24 1.2 3.3 2.8 40 6 68 0.35
JK42HS48-1684 FLE42-L 1.8 2 Round Lead wire 48 5 10 1.68 1.65 2.8 44 4 68 0.35
JK42HS48-1684 FLE42-LSW 1.8 2 Round Lead wire 48 5 24 1.68 1.65 2.8 44 4 68 0.35
JK42HS60-1206 FLE42-L 1.8 2 Round Lead wire 60 5 10 1.2 6 7 56 6 102 0.55
JK42HS60-1206 FLE42-LSW 1.8 2 Round Lead wire 60 5 24 1.2 6 7 56 6 102 0.55
JK42HS60-1704 FLE42-L 1.8 2 D-cut Lead wire 60 5 10 1.7 3 6.2 73 4 102 0.55
JK42HS60-1704 FLE42-LSW 1.8 2 D-cut Lead wire 60 5 24 1.7 3 6.2 73 4 102 0.55

NEMA 17 JK-HPR42 L / LSW Series Common Planetary Gearbox Specification

Model / JK-FLE42-L1 JK-FLE42-L2 JK-FLE42-L1SW JK-FLE42-L2SW
Gear Ratio / 4 5 10 20 25 50 100 4 5 10 20 25 50 100
Gear Trains / 1 2 1 2
Gearbox Length mm 61.5 72.5 76.5 87.5
Rated Torque N.m 9 9 5 10 10 10 5 9 9 5 10 10 10 10
Sundden Stop Torque N.m 18 18 10 20 20 20 10 18 18 10 20 20 20 20
Back Lash arcmin ≤30 arcmin ≤45arcmin ≤30 arcmin ≤45arcmin
Efficiency % 90 80 90 80
Suitable Motor Dimension mm Φ5-10 / Φ22-2 / F31-M3 Φ5-24 / Φ22-2 / F31-M3
Rated Input Speed rpm 1000
Max Input Speed rpm 2000
Average Life Span h 20000
Axial Force N 100
Radial Force N 300
Noise dB ≤55
Protection Level IP IP54
Work Temp. ℃ -20 to + 150
Out Shaft Type / Key Shaft Type
Nema 23 geared stepper motor

NEMA 23 Hybrid Stepper Motor with JK-FLF57 Series Common Planetary Gearbox

Stepper motor, high torque, low noise, smooth type, step angle: 0.9° or 1.2° or 1.8° NEMA23, 57x57mm
Gear Ratio: 1 Stage: 4/5/10:1
2 Stage: 20/25/50:1
Optional: Lead-wires, gearbox, encoder, brake, integrated drivers...
Model Gearbox Step Angle Phase Shaft Type Body Length Shaft Dia Shaft Length Current Resistance Inductance Holding Torque Leads No. Rotor Inertia Weight
/ (°) / / (L) mm mm mm A Ω mH Nm No. g.cm2 Kg
JK57HS41-2804 FLF57-L 1.8 2 Round 41 6.35 / 8 14.5 2.8 0.7 1.4 0.55 4 150 0.47
JK57HS41-2804 FLF57-LSW 1.8 2 Round 41 6.35 / 8 21 2.8 0.7 1.4 0.55 4 150 0.47
JK57HS51-2804 FLF57-L 1.8 2 Round 51 6.35 / 8 14.5 2.8 0.83 2.2 1.01 4 230 0.59
JK57HS51-2804 FLF57-LSW 1.8 2 Round 51 6.35 / 8 21 2.8 0.83 2.2 1.01 4 230 0.59
JK57HS56-2804 FLF57-L 1.8 2 Round 56 6.35 / 8 14.5 2.8 0.9 2.5 1.26 4 280 0.68
JK57HS56-2804 FLF57-LSW 1.8 2 Round 56 6.35 / 8 21 2.8 0.9 2.5 1.26 4 280 0.68
JK57HS76-2804 FLF57-L 1.8 2 Round 76 6.35 / 8 14.5 2.8 1.1 3.6 1.89 4 440 1.1
JK57HS76-2804 FLF57-LSW 1.8 2 Round 76 6.35 / 8 21 2.8 1.1 3.6 1.89 4 440 1.1
JK57HS82-3004 FLF57-L 1.8 2 Round 82 6.35 / 8 14.5 3.0 1.2 4.0 2.1 4 600 1.2
JK57HS82-3004 FLF57-LSW 1.8 2 Round 82 6.35 / 8 21 3.0 1.2 4.0 2.1 4 600 1.2
JK57HS100-3004 FLF57-L 1.8 2 Round 100 6.35 / 8 14.5 3.0 0.75 3.0 3.0 4 700 1.3
JK57HS100-3004 FLF57-LSW 1.8 2 Round 100 6.35 / 8 21 3.0 0.75 3.0 3.0 4 700 1.3
JK57HS112-3004 FLF57-L 1.8 2 Round 112 6.35 / 8 14.5 3.0 1.6 7.5 3.0 4 800 1.4
JK57HS112-3004 FLF57-LSW 1.8 2 Round 112 6.35 / 8 21 3.0 1.6 7.5 3.0 4 800 1.4
JK57HS112-4204 FLF57-L 1.8 2 Round 112 6.35 / 8 14.5 4.2 0.9 3.8 3.1 4 800 1.4
JK57HS112-4204 FLF57-LSW 1.8 2 Round 112 6.35 / 8 21 4.2 0.9 3.8 3.1 4 800 1.4

NEMA 23 JK-FLF57 L Series Common Planetary Gearbox Specification

Model / JK-FLF57-L1 JK-FLF57-L2 JK-FLF57-L1SW JK-FLF57-L2SW
Gear Ratio / 4 5 10 20 25 50 4 5 10 20 25 50
Gear Trains / 1 2 1 2
Gearbox Length mm 89.5 102 100.3 112.8
Rated Torque N.m 25 25 10 25 25 20 25 25 10 25 25 20
Sundden Stop Torque N.m 50 50 20 50 50 40 50 50 20 50 50 40
Back Lash arcmin ≤30 arcmin ≤45arcmin ≤30 arcmin ≤45arcmin
Efficiency % 90 80 90 80
Suitable Motor Dimension mm Φ8-14 / Φ38.1-2 / F47.4-M4 or Φ6.35-14 / Φ38.1-2 / F47.4-M4 Φ8-22 / Φ38.1-2 / F47.14-M4 or Φ6.35-22 / Φ38.1-2 / F47.14-M4
Rated Input Speed rpm 1000
Max Input Speed rpm 2000
Average Life Span h 20000
Axial Force N 100
Radial Force N 300
Noise dB ≤55
Protection Level IP IP54
Work Temp. ℃ -20 to + 150
Out Shaft Type / Key Shaft Type
nema23 stepper motor with gearbox

NEMA 24 Hybrid Stepper Motor with PX57 Series Common Planetary Gearbox

Stepper motor, high torque, low noise, smooth type, step angle: 1.8° NEMA24, 60x60mm
Gear Ratio: 1 Stage: 3/4/5/6/7/10:1
2 Stage: 16/20/24/30/36/40/50:1
3 Stage: 64/96/100/144/216:1
Optional: Lead-wires, gearbox, encoder, brake, integrated drivers...
Model Gearbox Step Angle Phase Shaft Type Wires Body Length Current Resistance Inductance Holding Torque Leads No. Rotor Inertia Weight
/ (°) / / / (L)mm A Ω mH Nm No. g.cm2 Kg
JK60HS56-2804 PX57 1.8 2 Round Direct wire 56 2.8 0.9 3.6 1.65 4 300 0.77
JK60HS67-2804 PX57 1.8 2 Round Direct wire 67 2.8 1.2 4.6 2.1 4 570 1.2
JK60HS88-2804 PX57 1.8 2 Round Direct wire 88 2.8 1.5 6.8 3.1 4 840 1.4
JK60HS100-2804 PX57 1.8 2 Round Direct wire 100 2.8 1.6 6.4 4 4 980 1100
JK60HS111-2804 PX57 1.8 2 Round Direct wire 111 2.8 2.2 8.3 4.5 4 1120 1200

NEMA 24 JK- PX57 Series Common Planetary Gearbox Specification

Model / JK-PX57-L1 JK-PX57-L2 JK-PX57-L3
Gear Ratio / 3 4 5 6 7 10 16 20 24 30 36 40 50 64 96 100 144 216
Gear Trains / 1 2 3
Gearbox Length mm 72 86 100
Rated Torque N.m 15 30 40
Max Load N.m 25 40 50
Back Lash arcmin ≤15 ≤30 ≤50
Efficiency % 95 90 85
Weight Kg 0.9 1.2 1.4
Noise dB ≤60 ≤65 ≤75
Protection Level IP IP65
Rated Input Speed rpm ≤3000
Working hours h 20000
Install Methods / Flange
nema34 geared stepper motor

NEMA 34 Hybrid Stepper Motor with PX86 Series Common Planetary Gearbox

Stepper motor, low rotor inertia, large torque, fast acceleration, step angle: 1.8°, NEMA34, 86x86mm
Gear Ratio: 1 Stage: 3/4/5/6/7:1
2 Stage: 10/16/20/24/30/36:1
3 Stage: 52/64/96/100/144/216:1
Optional: Lead-wires, gearbox, encoder, brake, integrated drivers...
Model Gearbox Step Angle Phase Shaft Type Wires Body Length Current Resistance Inductance Holding Torque Leads No. Rotor Inertia Weight
/ (°) / / / (L)mm A Ω mH Nm No. g.cm2 Kg
JK86HS78-6004 PX86 1.8 2 Key Direct wire 78 6.0 0.37 3.4 4.6 4 1400 2.3
JK86HS115-6004 PX86 1.8 2 Key Direct wire 115 6.0 0.6 6.5 8.7 4 2700 3.8
JK86HS126-6004 PX86 1.8 2 Key Direct wire 126 6.0 0.58 6.5 9.5 4 3200 4.5
JK86HS155-6004 PX86 1.8 2 Key Direct wire 155 6.0 0.68 9.0 13.0 4 4000 5.4

NEMA 34 JK- PX86 Series Common Planetary Gearbox Specification

Model / JK-PX86-L1 JK-PX86-L2 JK-PX86-L2
Gear Ratio / 3 4 5 6 8 10 16 20 24 30 36 52 64 96 100 144 216
Gear Trains / 1 2 3
Gearbox Length mm 81 95 109
Rated Torque N.m 30 50 60
Max Load N.m 50 80 100
Back Lash arcmin ≤18 ≤30 ≤50
Efficiency % 95 90 85
Weight Kg 1.65 2.15 3.3
Noise dB ≤60 ≤65 ≤75
Protection Level IP IP65
Rated Input Speed rpm ≤3000
Working hours h 20000
Install Methods / Flange

Stepper Motor with Planetary Gearbox Key Components:

Stepper Motors:

  • Brushless DC motors that operate in discrete steps, offering precise control over positioning and speed.
  • Available in bipolar and unipolar configurations.
  • Steps per revolution: Typically 200 steps (1.8° per step), but microstepping can achieve finer resolution.
 

Planetary Gearboxes:

  • A type of gear reducer featuring a sun gear, planet gears, and a ring gear, which together provide high torque output in a compact form.
  • Known for their high efficiency, effective load distribution, and low backlash.
  • Gear ratios: Typically range from 3:1 to 216:1, allowing for versatile speed and torque applications.
 
 

How It Works？

The stepper motor drives the sun gear located within the planetary gearbox. As the sun gear rotates, the planet gears orbit around it and mesh with the stationary ring gear. This arrangement reduces the motor's output speed while simultaneously increasing torque, making it suitable for a variety of applications requiring high torque and controlled motion.

 

 

Advantages

  • High Torque Output: Planetary gearboxes significantly amplify the torque produced by the motor.
  • Compact Design: The gearbox integrates directly with the motor, optimizing space usage.
  • Precise Motion Control: Stepper motors provide accurate positioning, especially effective when employed with microstepping technology.
  • Low Backlash: Planetary gearboxes exhibit minimal backlash, contributing to precise motion control.
  • Durability: Robust designs make these systems suitable for high-load applications.
 
 

Considerations

  • Gear Ratio: Selecting the right gear ratio is crucial based on the specific speed and torque requirements of the application.
  • Backlash: Ensure the gearbox maintains low backlash for applications needing high precision.
  • Motor Size: Choose a motor size (following NEMA standards, such as NEMA 17, 23, or 34) that meets the load requirements.
  • Operating Conditions: Consider factors such as temperature, environmental conditions (dust, moisture), and duty cycle during operation.
  • Control Electronics: Utilize a stepper motor driver that supports microstepping for smoother and more refined operation
 
 

Applications:

  • Robotics: Utilized for precise control of joints and arm movements, enabling accurate manipulation in robotic systems.
  • CNC Machines: Essential for achieving accurate positioning in milling, cutting, and engraving operations, ensuring high-quality outputs.
  • Automotive: Employed as actuators in various systems including mirrors, seats, and windshield wipers, enhancing functionality and user comfort.
  • Medical Devices: Integral to precision instruments such as pumps and surgical tools, allowing for exact control and reliability in medical applications.
  • Industrial Automation: Found in systems like conveyors, pick-and-place machines, and packaging equipment, improving efficiency and automation processes in manufacturing.

Product-Focused FAQs (Features & Performance)

1. What is a stepper motor with a planetary gearbox?

A stepper motor with a planetary gearbox integrates a high-precision gearbox with a stepper motor to reduce speed and increase torque output for improved motion control performance.
 

2. How does the planetary gearbox work with the stepper motor?

The motor’s shaft drives the sun gear in the planetary gearbox. As the planets orbit and engage the ring gear, output speed is reduced while torque increases proportionally to the gear ratio.
 

3. What are the main advantages of using a planetary gearbox?

Planetary gearboxes offer compact size, high torque density, low backlash, even load distribution, and high efficiency, making them ideal for precision and high-load applications.
 

4. What gear ratios are available?

Gear ratios typically range widely — such as 3:1 up to 100:1 or even 216:1 depending on design, allowing selection based on speed and torque needs.
 

5. What NEMA sizes does JKongMotor offer with planetary gearboxes?

Available stepper motor sizes include popular standards such as NEMA 17, NEMA 23, and larger options like NEMA 34, suitable for a range of motion control tasks.
 

6. What step angle options are supported?

Stepper motors commonly support 1.8° or 0.9° step angles, which provide standard and fine resolution options.
 

7. How does a planetary gearbox improve torque and load handling?

By reducing output speed through gear reduction, the planetary gearbox increases torque delivered to the load, enabling operation under heavier mechanical demands.
 

8. Does the gearbox affect positioning precision?

Yes — the combination of microstepping control and a low-backlash planetary gearbox enhances step accuracy and repeatability for precise motion control.
 

9. What efficiency levels can I expect?

Planetary gearboxes typically maintain high efficiency (often >90%) even at higher gear ratios due to effective internal gear meshing.
 

10. Are these motors suitable for high-speed applications?

Planetary gearboxes are optimized for reducing speed; output speed will depend on motor input and selected gear ratio, making them excellent for low-speed, precision tasks rather than high shaft speeds.
 

11. What level of backlash should I expect?

High-precision planetary gearboxes generally offer minimal backlash (e.g., ≤15–20 arcmin) to support accurate positioning.
 

12. What applications benefit most from these motors?

Common applications include robotics, automation systems, CNC machines, medical devices, precision positioning systems, and semiconductor equipment.
 

13. Can these motors operate smoothly at low speeds?

Yes — microstepping combined with the gearbox allows smooth, stable motion at slow rates, ideal for precise tasks.
 

14. What is the expected lifespan of these planetary gearboxes?

With proper use, planetary gearboxes often provide a long service life (e.g., 20,000 hours) under normal operating conditions.
 

15. Are they quiet during operation?

Design features in advanced planetary gearboxes help maintain relatively low noise levels, even at higher ratios.
 
 

Factory Customization & Capability FAQs

16. Can JKongMotor customize the gear ratio for my specific application?

Yes — gear ratios can typically be tailored to meet specific torque and speed requirements, helping to match performance to your motion control needs.
 

17. Can I request non-standard motor or gearbox sizes?

JKongMotor supports custom sizes and non-standard mechanical configurations depending on your application and order requirements.
 

18. Is it possible to specify custom shaft types or mounting features?

Yes — customized output shaft types, mounting interfaces, and form-factor adaptations can be provided to fit specific machine designs.
 

19. Does JKongMotor offer options for enhanced precision (like encoders or feedback)?

The factory can integrate feedback devices, encoders, brakes, or other accessories to improve control and system integration.
 

20. What is the MOQ and delivery time for customized planetary gearbox stepper motors?

MOQ and lead times vary depending on customization level — contacting JKongMotor directly is recommended for precise production and delivery details.
 
 
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