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Set the unwind brake to the torque output normally set for a machine run. Wrap the leading edge of the web around a bar and hook the “fish scale” through the bar. Pull on the fish scale until the unwind starts to turn. Record the weight reading on the fish scale. This is the actual tension on the web, at this point.
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Jun 13, 2019 · Tension is the pull or strain put on a web of material that tends to stretch it in the machine direction. It can be measured in pounds, ounces, grams, kilograms or newtons across the width of the web. Tension Calculation. Mathematically, tension equals torque divided by radius.
Tension profile and tension difference when there is more than one load cell; Third-party measurements (e.g., air cushion pressure in turn dry, web slack measurement) 3. Tension control. Tuning parameters (proportional, integral/proportional, integral, derivative and filtering) Controller logic (e.g., switch points, limits, ramps, web threading)
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Web tension control refers to the various methods used to measure and adjust tension in a moving web.In the context of this handbook, a web is any material continuously pulled from a roll through some manufacturing process. Tension is the measurable force that stretches or elongates the web. Web tension control methods range from feeling and
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Whether in oil & gas applications or automotive processes, Stellar Technology’s load cell solutions are integral to ensuring precise measurements. How Tension Load Cells Measure Pulling Forces. Tension load cells reveal the truth about pulling forces through the language of deformation and electric signals.
A tension load cell is a type of tension sensor that is used to measure the strain (or force) of a wide variety of materials used in roll-to-roll manufacturing and the converting industry. Specifically, tension load cells – also called tension transducers.
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Web tension systems Pressductor Radial load cells - ABB is a document that introduces the features and benefits of the Pressductor Radial load cells, which are designed to measure web tension with shaft-mounted load cells. The document also provides technical specifications, installation instructions, and ordering information for the Pressductor Radial load cells. If you are interested in web ...
