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March 26, 2019

American Kuhne ULTRA R/S Extruders for rubber and silicone feature multiple innovations that provide measurable improvements in process performance, serviceability, and longevity. Among these is our proprietary 鈥淧ower Hinge鈥� roller feed assembly opens with the push of a button providing total access for common service and maintenance.

A recent innovation is the extension of the company鈥檚 XC200 Navigator庐 controls system to its American Kuhne ULTRA R/S extruders, first exhibited at RubberExpo in October 2018. The system provides control for one or more extruders in simultaneous operation. The HMI is via a panel or optional swing-arm mounted screen map with integrated hard-wired Estop, Start, Stop, and Reset pushbuttons. It offers intuitive, visual navigation by touchscreen with easy-to-understand graphical displays of controls, status, and alarms along with integrated machine documentation.

The system enables operators to monitor and control functionality, including: closed-loop barrel PID heat/cool control; clamp and die zone control; heater burn-out detection/alarm; high temperature alarm; melt pressure monitor with dual alarms; high pressure shutdown; soak timer/cold start interlock; hour meter; 7-day timer; extruder screw speed control (start/stop, speed display, amp display); alarm, 365 days; security access manager; recipe manager; trending of any parameters that are monitored and controlled; integrated, real-time I/O diagnostic and remote diagnostics.