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At Drives and Controls 2014 on 8–10 April 2014 at the NEC Birmingham, Renishaw will highlight its advanced encoder products and precision feedback systems, including Resolute — a single-track fine-pitch optical absolute encoder. Resolute is particularly suitable for use in high-performance robotics as well as DDR torque motors requiring the highest levels of precision and motion control integrity.

In addition, the company will showcase its range of Tonic compact incremental optical encoders.

Renishaw will also exhibit a range of magnetic encoders — including the Aksim absolute magnetic encoder — from associate company RLS, based in Slovenia.

Renishaw will be found in Hall 3A on stand D356.

Key product features

Resolute optical absolute encoder

  • In rotary (angle) configuration, Resolute is capable of 32-bit resolution at 36,000rev/min or, in linear format, 1nm at speeds of 100m/sec and lengths beyond 10m
  • Resolute is available with Siemens Drive-Cliq interface with Sinumerik and Sinamics drive components
  • Resolute with the Drive-Cliq interface allows machine builders to achieve high performance and reliability
  • The product determines position immediately at switch-on
  • A dual-head summing variant provides immunity to axis eccentricity and bearing wander in rotary applications

Tonic optical encoder

  • Rugged and simple to install
  • Provides accuracy only conventionally available from fragile fine-pitch glass scale encoders
  • Recent additions to the Tonic range of linear and rotary encoders include optional 2nm and 1nm resolutions, a dual-output encoder interface, and compatibility with Renishaw’s Dual Signal Interface for high-accuracy rotary axes

Aksim magnetic encoder

  • Features excellent cost performance, zero mechanical hysteresis, 18-bit resolution, high-speed operation to 10,000rev/min and support for a range of data output formats
  • The encoder comprises a magnetic readhead and single-track code on an axially magnetised ring and allows position to be acquired immediately at start-up
  • Aksim is suitable for a diverse range of motion control applications including pan-tilt or azimuth-elevation platforms, automation systems and medical equipment

Renishaw

A world leader in engineering technologies, Renishaw’s core skills in measurement and precision machining serve sectors as diverse as dimensional metrology, spectroscopy, machine calibration, motion control, dentistry and surgical robotics.

A world leader in engineering technologies, Renishaw’s core skills in measurement and precision machining serve sectors as diverse as dimensional metrology, spectroscopy, machine calibration, motion control, dentistry and surgical robotics.

Sensors for co-ordinate measuring machines (CMMs) are an industry standard, from basic touch-trigger probes through to automated stylus and probe changers, motorised indexing probe heads, and revolutionary five-axis measurement systems.

Machine probes for CNC machine tools allow automated tool setting, workpiece set-up, in-cycle gauging and part inspection. Products include laser tool setters, contact tool setters, tool breakage detectors, touch probes and high accuracy inspection probes.

For motion control, Renishaw supplies laser encoders, optical linear encoders, optical angle encoders, optical rotary encoders, magnetic rotary encoders, magnetic chip encoders and magnetic linear encoders.

To analyse the static and dynamic performance of position-critical motion systems, Renishaw’s laser interferometer and environmental compensation system offers a linear measurement accuracy of 0.5 ppm, readings of up to 50 kHz and a linear measurement speed of up to 4 m/s, with a linear resolution of 1nm.

Renishaw’s Raman spectroscopy products exploit the Raman effect to identify and characterise the chemistry and structure of materials. A diverse range of analytical applications include pharmaceutical, forensic science, nanotechnology, biomedical and semiconductors.

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