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Screen changer microprocessor based control from High-Technology corporation enables complete integration with the extrusion process including remote start/stop and interlocking features for high polymer pressure. For the first time, various voltages for the heating elements can be accommodated and the same supply voltage is used for both the process and control zones.
These controls provide a comprehensive system that supplies continuous feedback on all the screen changer's operating parameters. Operator friendly indicators display the status of the screen changer system. Operational parameters are easily set via a door mounted display panel. Alarms and indicators immediately alert to a system malfunction and facilitate trouble shooting by pinpointing the source of any failure. Temperature and pressure indicators have digital displays and security codes.
Safety features prevent the possibility of operating the screen changer in an incorrect or unsafe mode, and include protections to prevent the operator from inputting improper settings or attempting accidental, unintended maneuvers. Security codes protect against unauthorized users.
Complete automation of the screen changer's functions enable it to become a fully integrated element in the extrusion process, resulting in months of non-stop operation, with no process disruptions and no operator intervention.
