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Quick, easy way to calculate roll diameter.


A simple analog multiplier In electronics, an analog multiplier is a device which takes two analog signals and produces an output which is their product. Such circuits can be used to implement related functions such as squares (apply same signal to both inputs), and square roots.  circuit recently developed by Waddington Wad·ding·ton   , Mount

A peak, 3,996.7 m (13,104 ft) high, in southwest British Columbia, Canada. It is the highest elevation in the Coast Mountains.
 Electronics Inc., Cranston, R.I., can calculate roll diameter in real time far more easily than a computer can, the company says. Waddington's MUX (MUltipleXor) See multiplexor.

mux - multiplexing
 multiplier multiplier

In economics, a numerical coefficient showing the effect of a change in one economic variable on another. One macroeconomic multiplier, the autonomous expenditures multiplier, relates the impact of a change in total national investment on the nation's total
 circuit calculates roll diameter as a ratio of extruder line speed divided by the winder speed, which decreases as the roll grows bigger. If the line shuts down, the roll diameter temporarily shows as zero because there is no line speed or rotation. But the circuit retains the last number and displays it again when production resumes. A MUX circuit costs $150 and requires 15V. Tel: (401) 781-3904 * PTDirect: 224NP

[ILLUSTRATION OMITTED]
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Title Annotation:Extrusion
Publication:Plastics Technology
Geographic Code:1USA
Date:Nov 1, 2004
Words:106
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