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<p>[QUOTE=&quot;ToughCOINS, post: 4251626, member: 20480&quot;]The high speed Schuler presses have a top stroke rate of 850 hits per minute.&nbsp; Depending on the frequency response of the pressure transducers (I don&#039;t know whose sensors they use, but I know DAC offers a model sampling at 50 KHZ) and the scanning / output rate of the controller (also not known, but for which many offered in the market are equally fast), the feedback rate per stroke would be roughly 1/2(50000/(850/60) = 470 cycles per coin.</p><p><br /></p><p>The pressure transducer senses the pressure and, 470 times per strike, sends a proportional output to the controller which backs the pressure off once the desired value is reached.[/QUOTE]</p><p><br /></p>

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