New SMA: Lika's linear encoder at its best

New SMA: Lika's linear encoder at its best de Lika Electronic

Par: Lika Electronic  03/10/2013
Mots-clés : Imprimantes, Codeur, Manipulateur

SMA magnetic linear encoder delivers finer resolution at faster speed over longer measuring length: it is perfect for motion feedback applications and linear motors that require high-precision positioning and velocity control. SMA is the linear absolute encoder capable of gaining the top of Lika's range thanks to the many new features and improvements. It is ideally suited for applications where small size and fine resolution are mandatory such as linear motors, product handling equipment, pick & place robots and lines, electronic assembly systems, printing and measuring machineries, electro-medical instruments, machine tools. This slim magnetic scale system is designed to provide both the absolute and the incremental information. Fitted with a polymer ferrite composite media, the magnetic scale is magnetised with two tracks: a true absolute track for position information and a 2-mm (0.08") pole pitch incremental track for speed feeback. It has been narrowed to a width of only 10 mm (0.39") while the measuring length has been lengthen up to 8 m (26.2 ft). The scale is insensitive to dust, oil, grease, water and most common chemical agents; thus the measuring system is claimed to reliably operate in the most aggressive industrial environments. Also the dimensions of the sensing head have been minimized; the enclosure is very compact and slim yet preserves its durability. It encapsulates the Hall sensors, the incremental sensor and the miniaturized electronics and guarantees IP67-rated environmental protection along with immunity to contaminants as well as interferences. By virtue of the non-contact operation SMA is virtually wear and maintenance-free and ensures unparalleled reliability over time. The new advanced sensor produces high resolution up to 1 µm and enables velocities up to 7 m/s (23 ft/s). The encoder delivers absolute information through the BiSS-C or SSI interface and the incremental information through the NPN o. c. output circuit. SMA encompasses only first-rate components and high-flex cables especially suited for use in cable drag chains, tested for more than 1 million cycles.

Mots-clés : coder absolu, Codeur, Codeur Linéaire, Codeur magnétique, Imprimantes, Interface Biss, Interface SSI, Ligne Assemblage, lika, Lika Electronic, Manipulateur, Moteurs Linéaires, robot pick & place,

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