Product category:
Rotary Position, Tilt and Angular Sensors
News Release from: Renishaw
Edited by the Engineeringtalk Editorial
Team on 19 July 2005
Optical, magnetic and laser technologies
on show
Renishaw has staked a claim to a larger share of the world encoder market with last week's new introductions at the Semicon West exhibition in San Francisco, USA.
Renishaw has extended its reputation for encoder solutions and staked a claim to a larger share of the world encoder market with last week's new introductions at the Semicon West exhibition in San Francisco, USA A new range of high-performance linear and ultra-high-vacuum encoders, plus an ultrastable Invar scale were shown, plus demonstrations of evolutionary improvements in speed, resolution and reliability to its standard optical lines of industrialised RG2 and RG4 linear encoders
The technology extensions further consolidate Renishaw's position as a global leader in micron, nanometre and picometre position feedback systems for everything from lab and medical instruments and semiconductor manufacturing equipment, to machine tools, metrology systems, and massive aerospace assembly machines.
At Semicon West, Renishaw exhibited three different advanced technologies for precision positioning - optical, magnetic and laser interferometer - each providing special solutions to difficult applications.
All feature exceptional compactness and installation ease, providing tremendous design flexibility and application range.
Proven in thousands of installations across the spectrum of precision machines and instruments, Renishaw's optical encoders were created to bring high precision, speed and reliability to demanding environments and tough industrial applications.
Innovative metal scales avoid the fragility of glass encoders, while unique noncontact readheads and filtering optics avoid the bulkiness, hysteresis and wear of traditional industrial encoders.
A new Signum family of rotary and linear encoders applies that same formula of ruggedness and precision to deliver levels of performance previously possible only from fine-pitch systems too delicate for many industrial roles.
Meeting demand for reliable, low-cost, high-speed rotary encoders, Renishaw's miniature magnetic rotary encoders provide class-leading performance along with "tough-guy" ruggedness and durability.
Available in component, modular and packaged shaft-style models, RM family magnetic encoders offer up to 4096-count positioning resolution, accuracy to 0.4 degrees, and operating speeds to over 9000rev/min.
noncontact magnetic design eliminates seals, bearings and moving parts for lifetime reliability.
Standard models provide excellent shock and vibration resistance, while optional sealed models allow application in harsh environments and even immersion.
Low cost, compact size and design simplicity enable use in a wide range of industries.
Unique RL fibre-optic laser encoders deliver interferometer-based nanometre positioning accuracy from a remote laser source - even to two axes.
New detector head choices (six in all) allow careful matching to a wide range of application requirements, including capability for picometre-level resolutions.
Fibre-optic beam delivery greatly reduces optical path complexity, saves space on miniature machines, and keeps heat of the laser from affecting measurement axes.
Simple "bolt down/dial in" laser alignment enables ease of installation comparable to traditional tape- or glass-based encoders.
Applications include x-y stages, fibre-optic alignment machines, glass grinding machines, photomask machines, and other precision motion systems.
An optional real-time compensation system enables positional accuracy of 1ppm (1um/m) in a wide range of environmental conditions. Request free introductory details about products from Renishaw ...
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