Absolute Linear Encoder Boosts Throughput, Yields

Renishaw’s Resolute absolute optical encoder is designed to provide accurate motion control to help manufacturers increase throughput and maximize yields.

New Product Announcements From: 1/18/2012 Modern Machine Shop

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Renishaw’s Resolute absolute optical encoder is designed to provide accurate motion control to help manufacturers increase throughput and maximize yields. The encoder enables axes to be run harder and for longer. The axes also run more smoothly, with less vibration, thus reducing the risk of damage to fragile products, the company says.

The device is said to be a true absolute encoder, meaning it accurately reports the position of axes prior to any movement. This eliminates the need for reference returns and provides instant commutation for linear motors, so machines can be restarted more quickly and in a controlled, safe manner, the company says. If work is in progress and there is a loss of power, the encoder enables the machine to maintain control and security of parts.

The encoder is compatible with the Panasonic serial communications protocol in linear encoder formats. This enables it to be used with Panasonic’s Minas A5 range of drives, which often are used in industries such as electronics assembly, semiconductor processing and flat-panel-display manufacturing. With this protocol, the encoder offers sub-micron accuracy, 1-nm resolution, speeds as fast as 100 m./sec. and increased electro-magnetic immunity.

The encoders also are available with other protocols, including Fanuc and BiSS, and in rotary format. 

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