Fast and accurate linear measurement


With encoders increasingly becoming the basic elements of automation systems due to their wide applicability but also the effects of their use, encoder specialist, British Encoder Products Company, outlines some of the key benefits its range of linear encoders can offer.

Process automation, machine construction, and increasing the efficiency of systems or installations require highly precise equipment, and encoders are such equipment. The encoder is part of the automation system, thanks to which it is possible to determine the efficiency of various types of machines. With proper knowledge of encoder functionality and the ability to use them, it is possible to increase productivity – in other words, encoders save time and money and improve results. The encoder allows the control of the movement, drive, and operation of individual machine components, and then – most importantly from a business perspective – enables operations to be optimised.

When applying encoders, selecting the optimum model, and specifying the appropriate configuration are critical for success. Proper encoder selection begins by understanding the role of the encoder in the motion control system.

There are several variables to consider when choosing an encoder. The most common are mounting style, resolution, output type, frequency response, accuracy, and electrical connection. The environment also plays a role: specifically, encoders must withstand a range of conditions, such as moisture and dust, that can seep into internal optics and electronics.

The Tru-Trac linear measurement solutions from British Encoder Products Company (BECO) are highly versatile and reliable options for tracking velocity, position, or distance over a wide range of surfaces. These are compact units that integrate an encoder, measuring wheel, and spring-loaded torsion arm. This unique combination of features makes it a convenient and effective option for applications that require accurate linear measurements.

One of the key benefits of the Tru-Trac range is its ease of installation. With their compact design, these devices can be installed in a variety of orientations, making them highly flexible for use in different applications. The spring-loaded torsion arm also allows for adjustable torsion load, which further enhances the flexibility of the unit. The threaded shaft on the pivot axis is field reversible, which makes it possible to mount the unit from either side.

For instance, the Model Tru-Trac TR1 encoder can operate at speeds of up to 3000ft/min, which makes it ideal for use in high-speed applications. It is also highly configurable, with multiple wheel material options available. This flexibility allows users to choose the ideal wheel material for their specific application, ensuring the best possible performance and accuracy.

Another key advantage of the Model TR1 is its durable, conductive composite material housing, which minimises static build-up. This is an important consideration in applications that require precision measurements, as static electricity can interfere with the accuracy of the measurements.

The composite material used in the housing also makes the Model TR1 highly resistant to wear and tear, ensuring long-lasting performance and reliability.

For most linear measurement applications, BECO’s line of Tru-Trac encoders is a great option. These integrated linear measurement solutions are easy to install and deliver reliable, accurate feedback for applications such as cut-to-length, spooling, length measurement, and print registration.

Occasionally, though, there is a linear measurement application that requires something the Tru- Trac encoders don’t offer. Maybe absolute feedback is needed. Maybe an additional bearing load is required. Maybe the encoder needs to be programmable.

If an application calls for any of those options, BECO has another solution: a bracket that turns a Size 25 shaft encoder into a linear measurement solution that can meet all these needs.


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