Product/Service

The Harrel "TIGER" Series of Extruders

Source: Harrel, Incorporated
Same rugged and reliable extruder as the BOBCAT Series. It has a much more sophisticated control system and a screw with two integral mixers.
  • SAME RUGGED AND RELIABLE EXTRUDER as BOBCAT Series. Has a much more sophisticated control system and a screw with two integral mixers.
  • TALENTED AND VERSATILE CP-873 DIGIPANEL CONTROLLER
    • 14 INCH, FULL COLOR DISPLAY, with graphics capability
    • FULL COLOR SCHEMATIC OF ENTIRE SYSTEM
    • FULL CLOSED LOOP CONTROL OF ALL PARAMETERS OF THE SYSTEM
    • 30 TEMPERATURE ZONES INTEGRAL. Unlimited number with external module. All zones PID with separate trims on heating and cooling.
    • SPEAKS 4 LANGUAGES!
    • UNLIMITED RECIPE STORAGE on 3 1/2" computer disks
    • TWO STAGE PRESSURE SAFETY SYSTEM
    • CLOSED LOOP MELT TEMPERATURE CONTROL optional.
    • DEEP WELL SENSING
    • DUOSENSE DEEP-AND-SHALLOW-WELL TEMPERATURE SENSING optional.
    • TREND DISPLAY
    • EASY TO USE.
    • OTHER FEATURES: Temperature plots, keep-warm mode, AUTOTRIM, TELCHECK and many other great features!
    • HEAVY DUTY KOELLMANN GEAR BOX -- The standard of the industry!
    • DOUBLE REDUCTION HELICAL GEARS hardened and ground. Much higher efficiency than worm gears and single reduction types.
    • BUILT-IN THRUST BEARING -- with spherical roller bearings. L-10 life measured in decades.
    • RUGGED, WELDED STEEL FRAME.
    • EASILY REPLACEABLE bimetallic barrel, with Xaloy 102 liner -- Xaloy 800 optional.
    • DESIGNED FOR 10,000 PSI operating pressure.
    • SAFETY BLOW-OUT PLUG and Pressure Sensor tap before screens and breaker plate.
    • Screw has Spiral Maddock mixer for dispersive mixing, plus Saxton mixer to eliminate temperature gradients in melt stream.

    Harrel introduced the very first microprocessor control of extrusion to the plastics industry back in 1975 and dubbed it the DIGIPANEL controller. The CP-873 is the sixth major upgrade since then. The DIGIPANEL is the finest extrusion control in the industry.

    Harrel, Incorporated, 16 Fitch Street, Norwalk, CT 06855. Tel: 203-866-2573; Fax: 203-866-1483.