Category: CNC & Machine Tool Manufacturing, Linear, Magnescale Linear Encoders

Magnescale SR67A Absolute Linear Encoder

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The Magnescale SR67A is a high‑precision absolute linear encoder with an enclosed design, developed for reliable position feedback in CNC machine tools and industrial environments.

Using a magnetic, non‑contact sensing principle, the SR67A delivers stable performance in harsh conditions while maintaining high positioning accuracy. It supports direct integration with major CNC control systems including FANUC, Mitsubishi Electric and SIEMENS (DRIVE‑CLiQ), enabling seamless communication without the need for additional interfaces. 

Key features

  • High‑rigidity construction – Designed for excellent resistance to shock and vibration 
  • Absolute position feedback – Provides true position data without homing
  • Reliable in harsh environments – Magnetic sensing allows operation in oil, coolant and condensation 
  • Enclosed, protected design – Shields the scale and sensor from contamination
  • Direct CNC compatibility – Supports major protocols for simple machine integration 
  • Matched thermal expansion – Same expansion characteristics as iron for stable machine integration
Magnescale SR67A Linear Encoder - Website
Magnescale SR67A Linear Encoder configuration - Website

How it works

The SR67A uses a non‑contact magnetic measurement system within an enclosed scale:

  • Sensor head reads position along the protected scale
  • Absolute serial output provides real‑time position data
  • Magnetic detection ensures consistent performance under machine tool conditions

This results in:

  • Stable long‑term accuracy
  • High resistance to contamination
  • Reliable operation in production environments

Typical applications

  • CNC machining centres
  • Linear axes and guideways
  • Heavy‑duty machine tools
  • Precision positioning systems
  • Applications requiring robust, high‑accuracy feedback

Compatible systems

  • The SR67A integrates directly with:
  • FANUC (α / αi interface)
  • Mitsubishi Electric
  • SIEMENS (DRIVE‑CLiQ)

Why choose SR67A?

  • Ideal for machine tools requiring high rigidity and durability
  • Provides accurate and stable linear position feedback
  • Performs reliably in contaminated and high‑load environments
  • Offers direct communication with major CNC platforms

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