Encoders are widely applied in the following industries

▲ Textile Industry 

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In textile manufacturing machinery, rotary encoders are employed to provide critical feedback for speed, direction, and distance.  High-speed, precisely controlled operations such as weaving, knitting, printing, extruding, seaming, gluing, cut-to-length, and others are typical applications for rotary encoders. Incremental encoders are predominantly used in textile machinery, with absolute feedback becoming more common as more complex controls systems are implemented.

Printing Industry    

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Printing equipment generally measures and generates images with resolutions measured in dots per inch (DPI) or pixels per inch (PPI). When specifying rotary encoders for certain printing applications, the disk resolution is usually correlated to print resolution.  For example, many industrial ink jet printing systems employ a rotary encoder to track the motion of the object to be printed. This enables the print head to apply the image to a precisely controlled location on the object.


Packaging Industry  

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The packaging industry typically utilizes equipment involving rotary motion along several axes. This includes actions such as spooling, indexing, sealing, cutting, conveying and other automated machine functions that usually represent an axis of rotary motion. For accurate control, often a rotary encoder is the preferred sensor for motion feedback.


Mobile Equipment 

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Automated and electronically controlled systems abound in modern mobile equipment used in industries such as construction, material handling, mining, rail maintenance, agriculture and firefighting. It’s critical that sensor technology be robust enough to handle the shock, vibration, dust, moisture and other hazards common to mobile equipment operating environments.  For accurate control, often a rotary encoder is the preferred sensor for motion feedback.


Material Handling

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Actions such as conveying, lifting, pick-and-place, and other automated functions represent one or more axes of rotary motion found in material handling equipment. For accurate control, often a rotary encoder is a preferred sensor for motion feedback..


Robot Industry

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To reach all of the machining positions on very large or long components, such as an aircraft fuselage or for

manufacturing large composite fiber components, robots can be moved along the length of the component on linear axes. For highly accurate positioning of robots with a linear drive, enclosed linear encoders are available in lengths of up to 30 meters. Position measurement from a linear encoder compensates for thermal errors and other factors that influence the feed mechanisms. These factors cannot be captured by means of conventional position detection methods based on the pitch of the recirculating ballscrew and the angular position of the rotary encoder on the motor.

The use of secondary encoders on all of a robot’s axes, as well as the use of linear encoders for positioning the robot relative to the workpiece, enables a level of accuracy at the tool center point that allows appropriately equipped industrial robots to perform positionally accurate machining and handling tasks on components. Angle and linear encoders from Heidenhain and AMO offer not only the required system accuracy, but also the necessary flexibility for installation in complex and compact robot mechanisms. The suitability of these encoders for safety-related applications also makes it possible to implement human-robot collaboration systems. 


CNC Machine Tools   

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Linear, rotary and angle encoders are used for feedback in CNC machine systems, communicating between the control and the respective motor. Each type of encoder monitors a different motion element of a machine depending on factors like the accuracy required and directional variety. The performance of a machine tool depends heavily on these different encoder instruments providing accurate, synchronized feedback readings.


Oil and Gas Industry  

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Encoders and sensors used in the oil and gas industry must withstand high temperature and pressure, potentially explosive locations, and extreme shock and vibration, along with exposure to chemicals, dirt and moisture. Position sensors perform crucial functions in oil and gas applications and must operate reliably day in and day out to ensure an optimized yield. BEI Sensors is well aware of these unique upstream, midstream, and downstream requirements and has designed products that feature uncompromising quality and performance for these hazardous environments.