China manufacturer NEMA 23/34 90degree Speed Reducer Motor Low Noise Right Angle Gearbox Precision Planetary Gearbox gearbox engine

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


nema 34 closed loop stepper motor

Model No. Step Angle Motor Length Current
Holding Torque # of Leads Detent Torque Rotor Inertia Mass
( °) (L)mm A Ω mH N.m No. 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
Holding Torque # of Leads Detent Torque Rotor Inertia Mass
( °) (L)mm A Ω mH N.m No. 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
US$ 100/Piece
1 Piece(Min.Order)

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Customized Request

speed reducer gearbox

Considerations for Choosing Lubrication for Speed Reducer Gearboxes

Choosing the right lubrication for speed reducer gearboxes is crucial to ensure optimal performance, longevity, and efficiency. Several factors should be taken into account when making this decision:

  • Operating Conditions: Consider the temperature range, load, and speed at which the gearbox operates. Extreme temperatures or heavy loads may require specialized lubricants.
  • Lubricant Type: Choose between oil and grease lubrication. Oil provides better heat dissipation and is suitable for high-speed applications, while grease offers better sealing and is ideal for applications with frequent starts and stops.
  • Viscosity: Select the appropriate viscosity grade of lubricant based on the operating conditions. Higher viscosity is generally preferred for heavy loads and high temperatures.
  • Additives: Some applications may require lubricants with specific additives, such as anti-wear additives, extreme pressure additives, or corrosion inhibitors, to enhance performance and protection.
  • Sealing and Contamination: Consider the effectiveness of sealing mechanisms to prevent contamination from dust, water, and other particles. Proper sealing helps extend the lubricant’s lifespan.
  • Compatibility: Ensure that the selected lubricant is compatible with the materials used in the gearbox construction, including seals, gaskets, and gear materials.
  • Re-Lubrication Intervals: Determine how frequently re-lubrication is required. Some applications may demand frequent re-lubrication, while others can operate with longer intervals.
  • Environmental Impact: Consider environmental regulations and restrictions when selecting lubricants to minimize ecological impact and ensure compliance.

By carefully evaluating these factors and consulting with lubrication experts, industries can choose the right lubrication strategy for their speed reducer gearboxes, promoting smooth operation and extending the equipment’s service life.

speed reducer gearbox

Limitations and Drawbacks of Speed Reducer Gearbox Systems

While speed reducer gearbox systems offer various benefits, they also come with certain limitations and drawbacks that should be considered:

1. Efficiency Loss: Speed reducer gearboxes introduce mechanical losses due to friction and gear meshing. These losses can result in reduced overall efficiency, especially in applications where precise speed control is crucial.

2. Size and Weight: Gearboxes add size and weight to the machinery, which can be a limitation in space-constrained environments or applications where weight is a critical factor.

3. Cost: The design, manufacturing, and maintenance of speed reducer gearboxes can be complex and costly. High-quality materials and precision engineering contribute to higher upfront and operational costs.

4. Maintenance: Gearboxes require regular maintenance, including lubrication, inspection, and potential replacement of worn parts. Improper maintenance can lead to reduced lifespan and operational issues.

5. Backlash: Gears within speed reducer gearboxes may exhibit backlash, which is the small amount of play between gear teeth. Backlash can affect precision in applications requiring accurate positioning.

6. Noise and Vibration: Gear meshing can generate noise and vibrations, especially at higher speeds. Additional measures may be needed to mitigate these effects and ensure a quieter operating environment.

7. Limited Ratios: Some gearbox designs offer a limited range of gear ratios, which may restrict the flexibility of certain applications requiring specific speed adjustments.

8. Heat Generation: The mechanical processes within gearboxes can generate heat, and inadequate cooling or lubrication can lead to overheating and reduced efficiency.

Despite these limitations, proper selection, design, and maintenance of speed reducer gearbox systems can help mitigate these drawbacks and ensure their effective integration into various mechanical systems.

speed reducer gearbox

How do Speed Reducer Gearboxes Contribute to Reducing Rotational Speed and Increasing Torque?

Speed reducer gearboxes play a critical role in mechanical systems by achieving the dual objectives of reducing rotational speed and increasing torque. This fundamental function is accomplished through the intricate interaction of different types of gears within the gearbox.

At its core, a speed reducer gearbox consists of multiple gears with varying sizes and configurations. The gears are arranged in specific sequences to create gear trains that manipulate the input speed and torque to achieve the desired output characteristics.

The reduction of rotational speed is achieved through gear train arrangements that involve gear pairs with different numbers of teeth, commonly known as gear ratios. When an input shaft connected to a higher-speed power source engages with a gear of smaller size, it drives a larger gear connected to the output shaft. This gear reduction process results in a lower rotational speed at the output shaft compared to the input shaft. The change in gear size and ratio effectively converts the input speed into a reduced output speed.

Simultaneously, the interaction of gears in the speed reducer gearbox leads to an increase in torque. As the input torque is distributed across the gear train, the larger gear driven by the smaller gear experiences a higher force at its teeth. This force is transmitted through the gears, leading to a torque amplification at the output shaft. In other words, the output torque is greater than the input torque due to the mechanical advantage gained from the gear arrangement.

The combination of gear reduction and torque amplification allows speed reducer gearboxes to match the requirements of various applications. Industries such as manufacturing, material handling, automotive, and robotics benefit from this functionality. For instance, in conveyor systems, the gearbox reduces the high-speed motor rotation to a suitable speed for smoothly transporting materials, all while providing the necessary torque to handle loads efficiently.

In summary, speed reducer gearboxes utilize gear ratios and interactions to effectively lower rotational speed while increasing torque. This capability is instrumental in optimizing the performance of mechanical systems across diverse industrial sectors.

China manufacturer NEMA 23/34 90degree Speed Reducer Motor Low Noise Right Angle Gearbox Precision Planetary Gearbox   gearbox engineChina manufacturer NEMA 23/34 90degree Speed Reducer Motor Low Noise Right Angle Gearbox Precision Planetary Gearbox   gearbox engine
editor by CX 2024-02-16