Product Description
General Specification:
Step Angle Accuracy: ±5%
Resistance Accuracy: ±10%
Inductance Accuracy: ±20%
Temperature Rise: 80°C Max
Ambient Temperature: -20°C~+50°C
Insulation Resistance: 100MΩ Min., 500VDC
Dielectric Strength: 500VAC for 1 minute
Shaft Radial Play: 0.02Max (450g-load)
Shaft Axial Play: 0.08Max (450g-load)
Max. radial force:220N (20mm from the flange)
Max. axial force:60N
Specification:
nema 34 closed loop stepper motor
| Model No. | Step Angle | Motor Length | Current /Phase |
Resistance /Phase |
Inductance /Phase |
Holding Torque | # of Leads | Detent Torque | Rotor Inertia | Mass |
| ( °) | (L)mm | A | Ω | mH | N.m | No. | Kg.cm | g.cm2 | Kg | |
| 86HS78-6004XBJED-0.35M | 1.8 | 78 | 6 | 0.27 | 2 | 4.5 | 4 | 1.2 | 1400 | 2.8 |
| 86HS115-6004YBJED-0.35M | 1.8 | 115 | 6 | 0.36 | 3.8 | 8.5 | 4 | 2.4 | 2700 | 4.3 |
| 86HS155-6004YBJED-0.35M | 1.8 | 155 | 6 | 0.44 | 3.8 | 12 | 4 | 3.6 | 4000 | 5.9 |
Nema 34 stepper motor
| Model No. | Step Angle | Motor Length | Current /Phase |
Resistance /Phase |
Inductance /Phase |
Holding Torque | # of Leads | Detent Torque | Rotor Inertia | Mass |
| ( °) | (L)mm | A | Ω | mH | N.m | No. | Kg.cm | g.cm | Kg | |
| JK86HS68-5904 | 1.8 | 67 | 5.9 | 0.28 | 1.7 | 3.4 | 4 | 0.8 | 1000 | 1.7 |
| JK86HS68-2808 | 1.8 | 67 | 2.8 | 1.4 | 3.9 | 3.4 | 8 | 0.8 | 1000 | 1.7 |
| JK86HS78-5504 | 1.8 | 78 | 5.5 | 0.46 | 4.0 | 4.6 | 4 | 1.2 | 1400 | 2.3 |
| JK86HS78-4208 | 1.8 | 78 | 4.2 | 0.75 | 3.4 | 4.6 | 8 | 1.2 | 1400 | 2.3 |
| JK86HS97-4504 | 1.8 | 97 | 4.5 | 0.66 | 3.0 | 5.8 | 4 | 1.7 | 2100 | 3.0 |
| JK86HS97-4008 | 1.8 | 97 | 4.0 | 0.98 | 4.1 | 4.7 | 8 | 1.7 | 2100 | 3.0 |
| JK86HS100-6004 | 1.8 | 100 | 6.0 | 0.36 | 2.8 | 7.0 | 4 | 1.9 | 2200 | 3.1 |
| JK86HS115-6004 | 1.8 | 115 | 6.0 | 0.6 | 6.5 | 8.7 | 4 | 2.4 | 2700 | 3.8 |
| JK86HS115-4208 | 1.8 | 115 | 4.2 | 0.9 | 6.0 | 8.7 | 8 | 2.4 | 2700 | 3.8 |
| JK86HS126-6004 | 1.8 | 126 | 6.0 | 0.58 | 6.5 | 6.3 | 4 | 2.9 | 3200 | 4.5 |
| JK86HS155-6004 | 1.8 | 155 | 6.0 | 0.68 | 9.0 | 13.0 | 4 | 3.6 | 4000 | 5.4 |
| JK86HS155-4208 | 1.8 | 155 | 4.2 | 1.25 | 8.0 | 12.2 | 8 | 3.6 | 4000 | 5.4 |
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| Application: | 3D Printer |
|---|---|
| Speed: | Low Speed |
| Number of Stator: | Two-Phase |
| Excitation Mode: | HB-Hybrid |
| Function: | Driving |
| Number of Poles: | 2 |
| Samples: |
US$ 100/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|


editor by CX 2024-02-20
China factory China Harmonic Drive NEMA 17 Motor Speed Gear Reducer automatic gearbox
Product Description
Product Description:
1.Flexspline is a hollow flanging standard cylinder structure.
2.There is a large-diameter hollow shaft hole in the middle of the cam of the wave generator. The internal design of the reducer has a support bearing.
3.It has a fully sealed structure and is easy to install. It is very suitable for the occasions where the wire needs to be threaded from the center of the reducer.
Advantages:
The first:High precision,high torque
The second:dedicated technical personnel can be on-the-go to provide design solutions
The third:Factory direct sales fine workmanship durable quality assurance
The fourth:Product quality issues have a one-year warranty time, can be returned for replacement or repair
Company profile:
HangZhou CHINAMFG Technology Co., Ltd. established in 2014, is committed to the R & D plant of high-precision transmission components. At present, the annual production capacity can reach 45000 sets of harmonic reducers. We firmly believe in quality first. All links from raw materials to finished products are strictly supervised and controlled, which provides a CHINAMFG foundation for product quality. Our products are sold all over the country and abroad.
The harmonic reducer and other high-precision transmission components were independently developed by the company. Our company spends 20% of its sales every year on the research and development of new technologies in the industry. There are 5 people in R & D.
Our advantage is as below:
1.7 years of marketing experience
2. 5-person R & D team to provide you with technical support
3. It is sold at home and abroad and exported to Turkey and Ireland
4. The product quality is guaranteed with a one-year warranty
5. Products can be customized
Strength factory:
Our plant has an entire campus The number of workshops is around 300 Whether it’s from the production of raw materials and the procurement of raw materials to the inspection of finished products, we’re doing it ourselves. There is a complete production system
HST-III Parameter:
| Model | Speed ratio | Enter the rated torque at 2000r/min | Allowed CHINAMFG torque at start stop | The allowable maximum of the average load torque | Maximum torque is allowed in an instant | Allow the maximum speed to be entered | Average input speed is allowed | Back gap | design life | ||||
| NM | kgfm | NM | kgfm | NM | kgfm | NM | kgfm | r / min | r / min | Arc sec | Hour | ||
| 14 | 50 | 6.2 | 0.6 | 20.7 | 2.1 | 7.9 | 0.7 | 40.3 | 4.1 | 7000 | 3000 | ≤30 | 10000 |
| 80 | 9 | 0.9 | 27 | 2.7 | 12.7 | 1.3 | 54.1 | 5.5 | |||||
| 100 | 9 | 0.9 | 32 | 3.3 | 12.7 | 1.3 | 62.1 | 6.3 | |||||
| 17 | 50 | 18.4 | 1.9 | 39 | 4 | 29.9 | 3 | 80.5 | 8.2 | 6500 | 3000 | ≤30 | 15000 |
| 80 | 25.3 | 2.6 | 49.5 | 5 | 31 | 3.2 | 100.1 | 10.2 | |||||
| 100 | 27.6 | 2.8 | 62 | 6.3 | 45 | 4.6 | 124.2 | 12.7 | |||||
| 20 | 50 | 28.8 | 2.9 | 64.4 | 6.6 | 39 | 4 | 112.7 | 11.5 | 5600 | 3000 | ≤30 | 15000 |
| 80 | 39.1 | 4 | 85 | 8.8 | 54 | 5.5 | 146.1 | 14.9 | |||||
| 100 | 46 | 4.7 | 94.3 | 9.6 | 56 | 5.8 | 169.1 | 17.2 | |||||
| 120 | 46 | 4.7 | 100 | 10.2 | 56 | 5.8 | 169.1 | 17.2 | |||||
| 160 | 46 | 4.7 | 100 | 10.2 | 56 | 5.8 | 169.1 | 17.2 | |||||
| 25 | 50 | 44.9 | 4.6 | 113 | 11.5 | 63 | 6.5 | 213.9 | 21.8 | 4800 | 3000 | ≤30 | 15000 |
| 80 | 72.5 | 7.4 | 158 | 16.1 | 100 | 10.2 | 293.3 | 29.9 | |||||
| 100 | 77.1 | 7.9 | 181 | 18.4 | 124 | 12.7 | 326.6 | 33.3 | |||||
| 120 | 77.1 | 7.9 | 192 | 19.6 | 124 | 12.7 | 349.6 | 35.6 | |||||
| 32 | 50 | 87.4 | 8.9 | 248 | 25.3 | 124 | 12.7 | 439 | 44.8 | 4000 | 3000 | ≤30 | 15000 |
| 80 | 135.7 | 13.8 | 350 | 35.6 | 192 | 19.6 | 653 | 66.6 | |||||
| 100 | 157.6 | 16.1 | 383 | 39.1 | 248 | 25.3 | 744 | 75.9 | |||||
| 40 | 100 | 308 | 37.2 | 660 | 67 | 432 | 44 | 1232 | 126.7 | 4000 | 3000 | ≤30 | 15000 |
HSG Parameter:
| Model | Speed ratio | Enter the rated torque at 2000r/min | Allowed CHINAMFG torque at start stop | The allowable maximum of the average load torque | Maximum torque is allowed in an instant | Allow the maximum speed to be entered | Average input speed is allowed | Back gap | design life | ||||
| NM | kgfm | NM | kgfm | NM | kgfm | NM | kgfm | r / min | r / min | Arc sec | Hour | ||
| 14 | 50 | 7 | 0.7 | 23 | 2.3 | 9 | 0.9 | 46 | 4.7 | 14000 | 8500 | ≤20 | 15000 |
| 80 | 10 | 1 | 30 | 3.1 | 14 | 1.4 | 61 | 6.2 | |||||
| 100 | 10 | 1 | 36 | 3.7 | 14 | 1.4 | 70 | 7.2 | |||||
| 17 | 50 | 21 | 2.1 | 44 | 4.5 | 34 | 3.4 | 91 | 9 | 10000 | 7300 | ≤20 | 20000 |
| 80 | 29 | 2.9 | 56 | 5.7 | 35 | 3.6 | 113 | 12 | |||||
| 100 | 31 | 3.2 | 70 | 7.2 | 51 | 5.2 | 143 | 15 | |||||
| 20 | 50 | 33 | 3.3 | 73 | 7.4 | 44 | 4.5 | 127 | 13 | 10000 | 6500 | ≤20 | 20000 |
| 80 | 44 | 4.5 | 96 | 9.8 | 61 | 6.2 | 165 | 17 | |||||
| 100 | 52 | 5.3 | 107 | 10.9 | 64 | 6.5 | 191 | 20 | |||||
| 120 | 52 | 5.3 | 113 | 11.5 | 64 | 6.5 | 191 | 20 | |||||
| 160 | 52 | 5.3 | 120 | 12.2 | 64 | 6.5 | 191 | 20 | |||||
| 25 | 50 | 51 | 5.2 | 127 | 13 | 72 | 7.3 | 242 | 25 | 7500 | 5600 | ≤20 | 20000 |
| 80 | 82 | 8.4 | 178 | 18 | 113 | 12 | 332 | 34 | |||||
| 100 | 87 | 8.9 | 204 | 21 | 140 | 14 | 369 | 38 | |||||
| 120 | 87 | 8.9 | 217 | 22 | 140 | 14 | 395 | 40 | |||||
| 32 | 50 | 99 | 10 | 281 | 29 | 140 | 14 | 497 | 51 | 7000 | 4800 | ≤20 | 20000 |
| 80 | 153 | 16 | 395 | 40 | 217 | 22 | 738 | 75 | |||||
| 100 | 178 | 18 | 433 | 44 | 281 | 29 | 841 | 86 | |||||
| 40 | 100 | 345 | 35 | 738 | 75 | 484 | 49 | 1400 | 143 | 5600 | 4000 | ≤20 | 20000 |
Exhibition:
Application case:
FQA:
Q: What should I provide when I choose gearbox/speed reducer?
A: The best way is to provide the motor drawing with parameter. Our engineer will check and recommend the most suitable gearbox model for your refer.
Or you can also provide below specification as well:
1) Type, model and torque.
2) Ratio or output speed
3) Working condition and connection method
4) Quality and installed machine name
5) Input mode and input speed
6) Motor brand model or flange and motor shaft size
| Application: | Motor, Machinery, Agricultural Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | 90 Degree |
| Layout: | Coaxial |
| Gear Shape: | Cylindrical Gear |
| Step: | Single-Step |
| Samples: |
US$ 100/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

How do gear reducers contribute to energy efficiency in machinery and equipment?
Gear reducers play a significant role in enhancing energy efficiency in various machinery and equipment. Here’s how they contribute:
1. Speed Reduction: Gear reducers are commonly used to reduce the speed of the input shaft, allowing the motor to operate at a higher speed where it’s most efficient. This speed reduction helps match the motor’s optimal operating range, reducing energy consumption.
2. Torque Increase: Gear reducers can increase torque output while decreasing speed, enabling machinery to handle higher loads without the need for a larger, more energy-intensive motor.
3. Matching Load Requirements: By adjusting gear ratios, gear reducers ensure that the machinery’s output speed and torque match the load requirements. This prevents the motor from operating at unnecessary high speeds, saving energy.
4. Variable Speed Applications: In applications requiring variable speeds, gear reducers allow for efficient speed control without the need for continuous motor adjustments, improving energy usage.
5. Efficient Power Transmission: Gear reducers efficiently transmit power from the motor to the load, minimizing energy losses due to friction and inefficiencies.
6. Motor Downsizing: Gear reducers enable the use of smaller, more energy-efficient motors by converting their higher speed, lower torque output into the lower speed, higher torque needed for the application.
7. Decoupling Motor and Load Speeds: In cases where the motor and load speeds are inherently different, gear reducers ensure the motor operates at its most efficient speed while still delivering the required output to the load.
8. Overcoming Inertia: Gear reducers help overcome the inertia of heavy loads, making it easier for motors to start and stop, reducing energy consumption during frequent operation.
9. Precise Control: Gear reducers provide precise control over speed and torque, optimizing the energy consumption of machinery in processes that require accurate adjustments.
10. Regenerative Braking: In some applications, gear reducers can be used to capture and convert kinetic energy back into electrical energy during braking or deceleration, improving overall energy efficiency.
By efficiently managing speed, torque, and power transmission, gear reducers contribute to energy-efficient operation, reducing energy consumption, and minimizing the environmental impact of machinery and equipment.

What role do gear ratios play in optimizing the performance of gear reducers?
Gear ratios play a crucial role in optimizing the performance of gear reducers by determining the relationship between input and output speeds and torques. A gear ratio is the ratio of the number of teeth between two meshing gears, and it directly influences the mechanical advantage and efficiency of the gear reducer.
1. Speed and Torque Conversion: Gear ratios allow gear reducers to convert rotational speed and torque according to the needs of a specific application. By selecting appropriate gear ratios, gear reducers can either reduce speed while increasing torque (speed reduction) or increase speed while decreasing torque (speed increase).
2. Mechanical Advantage: Gear reducers leverage gear ratios to provide mechanical advantage. In speed reduction configurations, a higher gear ratio results in a greater mechanical advantage, allowing the output shaft to deliver higher torque at a lower speed. This is beneficial for applications requiring increased force or torque, such as heavy machinery or conveyor systems.
3. Efficiency: Optimal gear ratios contribute to higher efficiency in gear reducers. By distributing the load across multiple gear teeth, gear reducers with suitable gear ratios minimize stress and wear on individual gear teeth, leading to improved overall efficiency and prolonged lifespan.
4. Speed Matching: Gear ratios enable gear reducers to match the rotational speeds of input and output shafts. This is crucial in applications where precise speed synchronization is required, such as in conveyors, robotics, and manufacturing processes.
When selecting gear ratios for a gear reducer, it’s important to consider the specific requirements of the application, including desired speed, torque, efficiency, and mechanical advantage. Properly chosen gear ratios enhance the overall performance and reliability of gear reducers in a wide range of industrial and mechanical systems.

Function of Gear Reducers in Mechanical Systems
A gear reducer, also known as a gear reduction unit or gearbox, is a mechanical device designed to reduce the speed of an input shaft while increasing its torque output. It accomplishes this through the use of a set of interlocking gears with different sizes.
The primary function of a gear reducer in mechanical systems is to:
- Speed Reduction: The gear reducer takes the high-speed rotation of the input shaft and transmits it to the output shaft through a set of gears. The gears are configured in such a way that the output gear has a larger diameter than the input gear. As a result, the output shaft rotates at a lower speed than the input shaft, but with increased torque.
- Torque Increase: Due to the size difference between the input and output gears, the torque applied to the output shaft is greater than that of the input shaft. This torque multiplication allows the system to handle heavier loads and perform tasks requiring higher force.
Gear reducers are widely used in various industries and applications where it’s necessary to adapt the speed and torque characteristics of a power source to meet the requirements of the driven equipment. They can be found in machinery such as conveyor systems, industrial machinery, vehicles, and more.


editor by CX 2023-10-21
China wholesaler Helical Gear Motor Box Pab 42mm Speed Reducer High Speed NEMA 17 Stepper Motor Small Planetary Gearbox Pls/Ab/Nb with Hot selling
Product Description
Product Description
Helical Gear Motor Box PAB 42mm Speed Reducer High Speed Small Planetary Gearbox
3F PAB series high precision planetary gearbox adopts the integrated design of planet carrier and output shaft to ensure the maximum torque stiffness and stability. Several backlash types can be chosen depends on customers’ needs: Micro precision backlash (P0), precision backlash (P1) and standard backlash (P2) are available. Thanks to the high cost performance of 3F PAB series planetary gearbox, it is widely used in motion control industries for servo application. 3F PAB precision gearboxes are featured with high torque and the input diameter D4 can be up to φ255mm, which can greatly meet the customer needs. Single-stage planetary gearboxes and two-stage gearboxes are available:
.One-stage ratio : 3, 4, 5, 6, 7, 8, 9, 10
.Two-stage ratio: 12, 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100
.Note: Three-stage technical data are not available in 3F catalogue. If needed, please contact our salesmen.
Overview of PAB Planetary Reducer
* The minimum backlash can reach to 0-3 arcmin.
* With the advantages of high High torque and high strength.
* It can be applied for any servo motors and stepper motor.
* The positioning time of starting and stoppingis shorter.
* High rigidity and high motor rotor inertia.
* Due to the miniaturization of motor power, it can achieve the stability of inertia load and small vibration.
Product Parameters
| Product type | PLS60 | PLS90 | PLS115 | PLS142 | Reduction rqatio | Number of stage | |
|
Rated output torque |
N.M | 30 | 75 | 150 | 400 | 3 | 1 |
| 40 | 100 | 200 | 560 | 4 | |||
| 50 | 110 | 210 | 700 | 5 | |||
| 37 | 62 | 148 | 450 | 8 | |||
| 27 | 45 | 125 | 305 | 10 | |||
| 77 | 120 | 260 | 910 | 12 | 2 | ||
| 68 | 110 | 210 | 780 | 15 | |||
| 77 | 120 | 260 | 910 | 16 | |||
| 77 | 110 | 260 | 910 | 20 | |||
| 68 | 110 | 210 | 780 | 25 | |||
| 77 | 120 | 260 | 910 | 32 | |||
| 68 | 110 | 210 | 780 | 40 | |||
| 37 | 62 | 148 | 450 | 64 | |||
| 27 | 45 | 125 | 305 | 100 | |||
| Life | Hour | 30,000 | |||||
| Instant stop torque | N.M | Two times of rated output torque | |||||
| Product type | PLS60 | PLS90 | PLS115 | PLS142 | Number of stage | ||
| max radial torque | 3000 | 3900 | 4300 | 8200 | N | ||
| max axial torque | 6000 | 9000 | 12000 | 19000 | N | ||
| Fullload efficiency | 98 | % | 1 | ||||
| 95 | 2 | ||||||
| weight | 3.0 | 4.3 | 9.0 | 15.4 | kg | 1 | |
| 3.8 | 5.7 | 11.6 | 18.5 | 2 | |||
| operating temperature | -25ºC~+90ºC | ºC | |||||
| IP | lp65 | ||||||
| Lubirication type | Lifetime lubrication | ||||||
| Mounting type | Any | ||||||
| The max radial and axial torque work in the location of the center of output shaft when the out speed is 100RPM. | |||||||
Detailed Photos
Application
Company Profile
Certifications
Packaging & Shipping
| Hardness: | Hardened Tooth Surface |
|---|---|
| Installation: | Vertical Type |
| Layout: | Coaxial |
| Gear Shape: | Planetary |
| Step: | Single-Step |
| Type: | Gear Reducer |
| Samples: |
US$ 100/Piece
1 Piece(Min.Order) | |
|---|


editor by CX 2023-09-22
China Standard NEMA 17 42mm Stepper Motor Worm Planetary Gear Speed Reducer Gearbox Jk42HS48-1504A-634jsx32 sequential gearbox
Product Description
Products of special request can be made according to the customer request !
Our Company offers 3 major series of products:Hybrid Stepper motors, Brushless Dc motor and Dc Brush motor.
We are always continues develop new type models.If you need other kinds of parts, please don’t hesitate to contact us.
if you need more information. please contact with us, our contact information:
HangZhou CHINAMFG MOTOR CO.,LTD
Contact Person: Ms Alice
| Application: | CNC Machine |
|---|---|
| Speed: | Variable Speed |
| Number of Stator: | Two-Phase |
| Excitation Mode: | HB-Hybrid |
| Function: | Driving |
| Number of Poles: | 4 |
| Customization: |
Available
| Customized Request |
|---|


editor by CX 2023-09-13