PLR40 Rotary Stage from Primatics

Primatics PLR40 Rotary StageThe Primatics PLR40 rotary stage is built for applications requiring highly accurate angular positioning in a compact mechanical footprint. Designed with a direct-drive brushless servo motor, the PLR40 delivers smooth motion without the backlash commonly associated with geared rotary stages.

Its small form factor makes it especially valuable in systems where space is limited but precision cannot be compromised. Whether used in optical alignment, laboratory automation, or semiconductor tooling, the PLR40 provides dependable rotational motion with excellent repeatability.

Engineered for fine angular adjustments and fast stabilization, the PLR40 helps improve throughput and positioning confidence in high-performance automation environments.

Typical Applications:

  • Optical and laser alignment
  • Precision inspection systems
  • Semiconductor handling equipment
  • Laboratory automation
  • Small-part assembly systems
  • Sensor calibration platforms

Features

PLR40 Rotary Stage Features

Direct-Drive Servo Architecture

By removing mechanical gears from the drive train, the PLR40 minimizes backlash and reduces wear, delivering smoother motion and improved long-term performance.

Small Footprint for Dense System Layouts

Its compact size makes it easy to integrate into tight spaces where larger rotary tables are not practical.

High Repeatability for Fine Positioning

Reliable rotational repeatability supports applications that depend on consistent angular placement cycle after cycle.

Fast Settling Improves Cycle Efficiency

Quick stabilization after movement reduces delays and helps increase overall machine throughput.

Precision Encoder Feedback

High-resolution encoder technology enables accurate position control for demanding motion applications.

Specifications

PLR40 Rotary Stage Specifications

Travel Range: ±60°

Resolution: 0.43 arc-sec nominal

Accuracy: ±30 arc-sec

Repeatability: ±2 arc-sec

Continuous Torque: 0.12 N-m

Peak Torque: 0.40 N-m

Rated Speed: 90°/sec

Axial Load Capacity: 0.5 kg

Radial Load Capacity: 0.25 kg

Stage Diameter: 40 mm

Profile Height: 25 mm

Encoder Type: High-resolution encoder

Weight: 0.4 kg

Cleanroom Compatibility Class: 10,000

The PLR40 is optimized for lightweight payloads and high-speed precision motion, making it ideal for compact systems requiring repeatable angular movement.

Applications

PLR40 Rotary Stage Applications

The PLR40 is well-suited for multi-axis systems where rotary motion must integrate with linear positioning stages, vision systems, and precision tooling.

Its compact construction supports:

  • Tight machine layouts
  • Shorter cable paths
  • Reduced moving mass
  • Faster acceleration and deceleration
  • Easier integration into benchtop and embedded systems

Industries Using the PLR40:

  • Semiconductor manufacturing
  • Photonics and optics
  • Medical diagnostics
  • Research laboratories
  • Precision electronics assembly
  • Industrial inspection

For engineers building compact automation platforms, the PLR40 provides a practical balance of speed, precision, and easy integration.

Q & A

PLR40 Rotary Stage Q & A

+What applications is the Primatics PLR40 best suited for?
The PLR40 is ideal for compact, precision-based applications such as optical alignment, laboratory automation, semiconductor tooling, and sensor calibration where small rotational adjustments are critical.
+How does the PLR40 compare to larger Primatics rotary stages?
The PLR40 is optimized for smaller payloads and tighter installation spaces, while larger models like the PLR110 or PLR350 support heavier loads and larger fixture sizes.
+Does the PLR40 use gears or direct drive?
The PLR40 uses direct-drive servo technology, which eliminates gear backlash and improves motion smoothness, repeatability, and service life.
+Can the PLR40 be integrated into cleanroom environments?
The PLR110 provides ±30 arc-second accuracy with repeatability of ±2 arc-seconds, making it suitable for applications where precise angular correction is essential.
+What factors should I consider when selecting the PLR40?
Key considerations include payload weight, required angular speed, mounting space, precision requirements, and how the stage will integrate with other motion axes or tooling.


 

Downloads

Download Primatics PLR40 Rotary Stage Datasheet

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