Encoders are used to determine the location of movable machine members such as quills, spindles, and screws for accurate positioning. Another device is used to scan a rotating digital code disk. Encoders allow both rotary and linear movement to be accurately measured and changed into an electrical output. An encoder is a device used to encode a data or signal into a form that can be transmitted or stored. Typical encoders usually work by means of a programmed algorithm, especially if any part is digital. Analog encoding is done with analog circuitry. A rotary encoder is a sensor or transducer used for converting rotary motion or position into a series of electronic pulses. Encoders are essentially used to transform one piece of data or intelligence into another form that can be readable by some sort of device.

Integral motor:

The integral brush less motor reduces the overall footprint of the stage enabling its deployment in space-constrained applications, while the hardcover provides protection from debris created in the manufacturing process. The robust aluminum cover is hard-coated for scratch resistance, and the side seals keep dirt and particulates out of the stage and protect the bearing surfaces from contamination. The vertical orientation of the seals easily deflects debris away from the stage. Top seal designs can collect debris, resulting in the eventual failure and replacement of the sealing mechanism. The integral motor option directly couples a brush less motor to the ball-screw drive. This eliminates the flexible coupling typically present in screw-driven stages, yielding a stiffer system with higher servo bandwidth. The lack of a coupling also improves system reliability by removing a component susceptible to failure. The integral motor is enclosed in a modular subassembly that, if required, can be easily replaced in the field. The motor is based on a slot less design that provides ultra-smooth velocity operation due to the complete absence of torque ripple.

Highly Configurable:

Standard- and precision-grade ball-screw options are available to closely match the price/performance point of a wide variety of positioning applications. Square-wave encoder output with a net resolution of 1 micron for 10 mm ball screw and 0.5 micron for 5 mm ball screw is standard with the integral motor. An optional analog output encoder can be coupled with external interpolation electronics to provide higher resolution. The stage is also available specially prepared for vacuum operation. A holding brake can be added to the integral motor modular assembly for vertical applications.

Lead screw:
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Mps ball screw:
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Self tapping screws -
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