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Rotary Encoders for Precision Motion Control

Hollow Shaft Encoder

Characteristic direction:

  • Direct mounting on motor shaft
  • No coupling required → reduces mechanical error
  • Compact structure, easy installation
  • Ideal for servo motors & space-limited systems

Application:

  • Servo motors
  • Robotics joints
  • Compact automation equipment
  • Packaging machinery
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Alloy-Housed Shaft Encoder

Characteristic direction:

  • High-strength aluminum alloy housing
  • Better vibration & shock resistance
  • Suitable for harsh industrial environments
  • High durability for heavy-duty machines

Application:

  • High-strength aluminum alloy housing
  • Better vibration & shock resistance
  • Suitable for harsh industrial environments
  • High durability for heavy-duty machines
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Engineering Advantages

ParameterSpecification
Resolution PPR / CPR
Output TypePush-Pull / Line Driver
Shaft TypeHollow / Solid Shaft
Protection RatingIP
Operating Voltage 
Max Rotation Speed 
Housing MaterialAluminum Alloy / Industrial Plastic
Operating Temperature Range 

Engineering Advantages

01
High resolution up to industrial-grade precision levels
02
Stable output signals (TTL / HTL / RS422 optional)
03
Wide operating voltage compatibility
04
Strong resistance to dust, oil, and vibration

Applications Across Industries

Semiconductor Equipment
High-precision positioning, wafer handling, force-controlled bonding.
3C Electronics Manufacturing
High-speed SMT, micro-assembly, precision testing machinery.
Industrial Automation
Automated production lines, CNC machinery, smart packaging systems.
Robotics Systems
Humanoid robot joint actuators, AGV/AMR, collaborative robotic arms.
Energy & Power Systems
Solar tracking actuators, turbine control, power grid automation.
Medical & Precision Equipment
Medical pods, surgical robots, high-precision optical turntables.

Why Partner With Us

  • OEM/ODM customization available
  • Fast prototyping & sampling support
  • Stable mass production capability
  • Strict quality control system (100% inspection optional)
  • Global export experience
  • Technical support for integration

How to Choose the Right Rotary Encoder

Choose Hollow Shaft Encoder when
- Space is limited - Direct motor mounting required
Choose Shaft Encoder when
- High mechanical stability needed - Heavy-duty industrial environment

Frequently Asked Questions

What Is the Difference Between Incremental and Absolute Encoders?

Incremental encoders output relative position changes, while absolute encoders provide a unique position value, even after power loss.

Yes. Rotary encoders provide real-time position and speed feedback to servo motors and drives for closed-loop motion control.

Align the encoder with the motor shaft, secure the mounting interface, and maintain the specified shaft engagement and axial/radial tolerances.

Resolution indicates the smallest position change an encoder can detect. Select it based on required positioning accuracy, speed, and control system performance.

Selected PALKI encoders offer resistance to shock, vibration, dust, oil, moisture, and temperature variations for demanding industrial applications.

We look Forward to helping you.

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