New encoders for harsh applications
26 May 2010
SICK has extended its high resolution, programmable range of optical encoders with the launch of the AFS/AFM60 series for harsh applications. The series includes a full range of solid shaft and hollow shaft absolute encoders, along with programmable variants. The 18-bit resolution AFS60 is a single-turn encoder, while the 30-bit resolution AFM60 is a multi-turn (4,096) encoder.
Both encoders feature a nickel code disk and optimised shaft bearing arrangement, offering greater robustness and temperature resistance compared with encoders using glass and plastic code disks. As a result, these encoders can be used in ambient temperatures of -20°C to +100°C.
In addition, the two bearing races of the unique AFS/AFM are positioned more than 30mm apart, resulting in reduced run-out and smoother operation. The wide bearing separation also enables higher radial load capabilities and longer bearing life.
With three different variants; Eco, Standard and Advanced, SICK has developed a model to meet every application and price point. Eco types support resolutions up to 4,096 steps/turns, the Standard variant up to 32,768 steps/turn and the Advanced model up to 262,144 steps/turn.
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