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Renishaw will exhibit a range of precision position feedback systems at WIN Automation 2015, which runs from 19–22 March at the TUYAP Fair Convention and Congress Centre, Istanbul.

Renishaw — which will be found on Stand B240 in Hall 2 — will highlight its latest products, including RESOLUTE, a single-track fine-pitch optical absolute encoder. In rotary (angle) configuration, this is capable of 32-bit resolution at 36,000rev/min or, in linear format, 1nm at speeds of 100m/sec and lengths to 10m. RESOLUTE determines position immediately at switch-on and is compatible with a range of open and proprietary serial protocols including Siemens DRIVE‑CLiQ, BiSS, FANUC, Mitsubishi and Panasonic. 

Position information is assured by an independent position-checking algorithm that sets an error flag to prevent the transmission of erroneous data to the controller. The result is better surface finish of CNC-machined parts, better scanning and velocity control and rock-solid servo stiffness on linear motors or rotary direct-drives when holding position. RESOLUTE is now available in ultra-high vacuum (UHV) and extended temperature range (ETR)-compatible variants for advanced applications.

Also on display will be Renishaw’s range of TONiC linear/rotary compact incremental optical encoders. TONiC readheads use a patented optical filtering scheme and dynamic signal processing. 

Key features and specifications

RESOLUTE encoders

  • Wide setup tolerances
  • Excellent long-term reliability
  • Instant operation after power-up without reference return
  • High-speed performance to 100m/sec
  • Low sub-divisional error (SDE) of 40nm
  • Low jitter (noise) to 10nm RMS

TONiC encoders

  • Pure output signals
  • SDE of 30nm
  • Jitter to 0.5nm RMS
  • Resolutions to 1nm
  • Integrated setup LEDs
  • IN-TRAC optical reference mark
  • Optional 2nm and 1nm resolutions
  • Dual-output encoder interface
  • Compatibility with Renishaw’s Dual Signal interface (DSi)

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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