High Precision Planetary Geared Stepper Motor

NEMA 17 Hybrid Stepper Motor with JK-HPR42 / HPS42 Series High Precision Planetary Gearbox

Stepper motor, high torque, low noise, smooth type, step angle: 1.8° or 0.9°, NEMA17, 42x42mm

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

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

NEMA 23 Hybrid Stepper Motor with JK-HPR60 / HPS60 Series High Precision Planetary Gearbox

Stepper motor, high torque, low noise, smooth type, step angle: 0.9° or 1.2° or 1.8° NEMA23, 57x57mm

NEMA 23 JK-HPR60 L Series Common Planetary Gearbox Specification

NEMA 24 Hybrid Stepper Motor with JK-HPR60 / HPS60 Series High Precision Planetary Gearbox

Stepper motor, high torque, low noise, smooth type, step angle: 1.8° NEMA24, 60x60mm

NEMA 24 JK-HPR60 L Series Common Planetary Gearbox Specification

NEMA 34 Hybrid Stepper Motor with JK-HPS90 LMB Series High Precision Planetary Gearbox

Stepper motor, low rotor inertia, large torque, fast acceleration, step angle: 1.8°, NEMA34, 86x86mm

NEMA 34 JK- HPS90 LMB Series High Precision Planetary Gearbox Specification

How to Choose the Right High Precision Planetary Gearbox

When selecting a planetary gearbox, consider the following factors:

 

Load and Torque Requirements:

Assess the maximum torque your application needs and choose a gearbox that can accommodate peak loads without compromising performance.

 

Gear Ratio Selection:

Determine the appropriate gear ratio based on the necessary speed reduction or torque amplification for your specific application.

 

Backlash and Precision Needs:

For applications requiring high positioning accuracy, opt for gearboxes with ultra-low backlash to ensure precise motion control.

 

Durability and Material Composition:

Ensure the gearbox is made from high-strength materials, such as hardened steel or advanced composites, to enhance durability and overall performance.

 

Mounting and Size Constraints:

Consider the available installation space in your equipment and select a compact gearbox that fits within your design specifications while still delivering optimal performance.

 

By taking these factors into account, you can choose a high precision planetary gearbox that meets your application’s requirements effectively.

 

Stepper Motor with Planetary Gearbox Key Components:

Stepper Motors

Overview:

Stepper motors are brushless DC motors that operate in discrete steps, providing precise control over positioning and speed.

 

Configurations:

They are commonly available in two configurations: bipolar and unipolar.

 

Steps per Revolution:

Stepper motors typically have 200 steps per revolution (1.8° per step), but employing microstepping can enhance the resolution to even finer increments.

 

 

Planetary Gearboxes

Overview:

Planetary gearboxes consist of a sun gear, planet gears, and a ring gear, functioning as a gear reducer. They offer high torque output within a compact design.

 

Features:

Known for their high efficiency, effective load distribution, and low backlash.

 

Gear Ratios:

The gear ratios for planetary gearboxes generally range from 3:1 to 216:1, providing versatile options for various applications.

 

 

How It Works

• The stepper motor drives the sun gear within the planetary gearbox.
• As the sun gear rotates, the planet gears revolve around it while meshing with the stationary ring gear.
• This setup effectively reduces the motor's speed while simultaneously enhancing torque output.

Advantages

• High Torque Output: Planetary gearboxes significantly amplify the torque delivered by the motor.
• Compact Design: The integration of the gearbox directly with the motor saves valuable space.
• Precise Motion Control: Stepper motors offer high precision, particularly when paired with microstepping technology.
• Low Backlash: Planetary gearboxes provide minimal backlash, ensuring high-precision motion.
• Durability: The robust construction of these gearboxes makes them suitable for high-load applications.

Considerations for Selection

Gear Ratio:

Select an appropriate gear ratio that meets your application's speed and torque requirements.

 

Backlash:

Ensure the gearbox maintains low backlash for applications requiring high precision.

 

Motor Size:

Match the motor size (following NEMA standards, such as NEMA 17, 23, or 34) to the specific load requirements.

 

Operating Conditions:

Take into account the environmental conditions, including temperature, dust, moisture, and the duty cycle of operation.

 

Control Electronics:

Use a stepper motor driver that supports microstepping to ensure smoother operational performance.

 

Applications of High Precision Planetary Gearboxes

• Robotics: Utilized for precise control of joint and arm movements, enabling accurate operation in robotic systems.
• CNC Machines: Essential for achieving accurate positioning during milling, cutting, and engraving processes.
• Automotive: Employed as actuators in systems such as mirrors, seats, and windshield wipers, enhancing functionality and user comfort.
• Medical Devices: Integral to high-precision equipment like pumps and surgical tools, providing reliable and accurate performance in critical medical applications.
• Industrial Automation: Found in conveyors, pick-and-place systems, and packaging machines, helping to streamline manufacturing processes and improve efficiency.

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