Online Measurement and Control System of Per-meter Weight

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Posting date : Jan 10, 2013

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MACHINERY & ELECTRICAL | Nuclear re

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84-

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GraviMac Series-Online Measurement and Control System of Per-meter ----- A Quality Measurement System Based on Weight ---- The strong points of this system: 1.Shorten the start-up time 2.Saving of the raw materials 3. Reduce the quality risks of plastics pipe production and improve quality. The applications: The process control for the production of plastics pipes, film, etc. The function: The system is installed on an extruder to measure and calculate per-meter weight and extrusion output, and also controlled by closed loop, which realize the constant weight of per- meter and make it operate at setting values. Precision error: < 0.3~0.5%(Differs from the different raw materials and machines) The available materials for GraviMac: •The powdery •The pellet / Granular •The fine powder( good flowing properties) •Mixture or Untreated material/ Fine powder or Small spherical / powdery(good flowing properties) •Rubber(Granular) Systemic function: • The measurement and control parameters that can be setting in GraviMac A. The output of extruder Unit: kg/hr Control the output by controlling RPM of the extruder) B. Per-meter weight Unit: kg/m, g/m Linear speed input is needed; Control the weight of per-metre by controlling the linear speed. C. Statistical function Count the consumption of raw material and the length.