Feature

Automatic ramping for extrusion lines

Process Control Corp. has introduced a new software feature, available on its Gravitrol control systems and gravimetric blenders, which allows an extrusion line to ramp up and down automatically whil...


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October 1, 2002 by Canadian Plastics

Process Control Corp. has introduced a new software feature, available on its Gravitrol control systems and gravimetric blenders, which allows an extrusion line to ramp up and down automatically while maintaining the perfect product gauge and layer distribution over the entire line-speed change. The process control system must control the extruder speed(s), as well as the haul-off device in order for the automatic step ramping to be effective. The new step-ramping software allows the line to be ramped up and down by taking incremental steps toward the new line speed. Extruder speed calculation continue until desired line speed is reached.

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