Arcs and curved axes: all they take is the right encoder

Arcs and curved axes: all they take is the right encoder from Lika Electronic

By: Lika Electronic  02/02/2016
Keywords: Motion Control, Control Products, Motion Sensors

Following several custom requests, Lika Electronic has developed a specific range of contactless encoders ideally suited for installation on round axes up to 360° & arcs with virtually any diameter. SMR5H is a quadrature incremental encoder specifically engineered for installation on the inner side of arcs from 176 mm / 7” min. diameter up. It will be available also for full circumference soon. SMR5H is compact, has a shallow profile (15 mm / 0.59” depth) and even better is curved-shaped; this allows it to fit into arcs with constrained and tight mounting space (such as inside a torque motor enclosure) and guarantees quickness and ease of installation. It is contactless and encompasses a proven magnetic technology fully integrated into a rugged and hermetically encapsulated housing with IP67 protection rate. Thus it is ideally suited to operate in aggressive industrial environments and provides virtually wear & maintenance-free operation under tough conditions such as when dirt, moisture, oil, vibrations and shocks are present. The sensor generates square wave signals with complementary signals through either Push-Pull (HTL) +10-30Vdc or Line Driver (TTL) +5Vdc output circuits. Resolutions are on request. As an additional advantage, SMR5H is equipped with built-in sensor to provide the Reference signal. Furthermore it is fitted with integral LEDs to signal power on status and reference sensing. Please note the lateral cable outlet to save space and increase convenience. When it comes to highest precision needs on curved surfaces up to 360° SMLA absolute encoder is the perfect match. It offers resolutions up to 14 bits over 400 mm / 15.7” measuring length (longer travels available soon). Output circuits can be SSI or BiSS-C and they both provide alarm bits. The magnetic sensing technology allows for non-contact and frictionless measuring principle with no components subject to wear or fatigue. Furthermore SMLA affords excellent durability under adverse conditions and temperatures (-25°C +85°C, -13°F +185°F) thanks to the encapsulated electronics and its IP68 protection aluminium enclosure. This guarantees reliability over time and longer operating life. Remarkable speeds up to 15,000 rpm and 16 m/s can be achieved. High performance and resolution enable a typical use in industrial applications that need the greatest precision and accuracy such as in fast pick & place robots and delta robots as well as in 3D printers, but it is suitable also for electronic assembly systems and precision material handling equipment to move highly fragile products. It is effectively used also to measure the rotation of the rollers on folding machines. Lika Electronic is able to supply all-in-one measuring systems with incremental or absolute encoder and custom curved structures on request.

Keywords: Absolute Encoder, absolute sensor, contactless encoder, Control Products, Incremental Encoder, incremental sensor, Linear Encoders, Magnetic Encoders, Magnetic Sensors, Motion Control, Motion Control Products, Motion Sensors, shaftless encoder,

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