Position encoders

Maximise your competitive offering – from dragsters to rotary tables, visit MACH 2008 to see the range of Renishaw's encoders that will speed up your performance and your development processes. 

Renishaw encoders ride a controlled explosion

Since 2000, the speed-obsessed Salakazi Racing team has continually refined its motorcycle dragster. The engine includes two Renishaw RM22 compact high-speed magnetic encoders which measure clutch speed and crankshaft position. With 1500 hp from a 1995 cc engine, the dragster accelerates to over 300 km/h, travelling a quarter of a mile in just 6.7 seconds! Where milliseconds are crucial, the encoders enable the team to optimise clutch engagement and maximise speed and acceleration, operating perfectly in one of the harshest environments possible.

Speed up your motion systems with Renishaw

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DSi (Dual SiGNUM™ interface)

Precision rotary axes often demand very high accuracy without calibration or error-map. The DSi allows the addition of a second readhead to eliminate odd error harmonics including eccentricity and compensate for the effect of both static and dynamic bearing wander. The result is total installed error of typically ±2.0 arc second (209 mm diameter RESM).

Read more about DSi.

SiGNUM™ Si-FN interface with FANUC serial communications

SiGNUM™ FANUC - all the benefits of Renishaw’s SiGNUM™ range of intelligent encoders... now with FANUC serial communications!

The non-contact format and large through-hole of the RESM ring, combined with high accuracy and a rugged IP64 sealed readhead make SiGNUM™ encoders perfect for machine tool rotary axes. The new Si-FN interface adds FANUC serial communications.

Read more about SiGNUM™ and FANUC serial communications.

REXM high accuracy angle encoder

For applications that require the highest angular accuracy, the REXM angle encoder offers new levels of angular metrology - better than ±1 arc second total installed accuracy, zero coupling losses and exceptional repeatability.

Like Renishaw's RESM ring encoder, the REXM stainless steel ring has graduations marked directly onto the periphery. However, it features a thicker cross-section designed to minimise all installation errors except eccentricity.

More REXM details.