1.25″ American Kuhne ULTRA CR 24:1 Air-Cooled Extruder, 2016 – Hopper, Feeder

Screw Diameter: 1.25″
Length‑to‑Diameter (L/D) Ratio: 24:1
Motor HP: 7.5 HP
Motor Type: AC Vector Duty, 1800 RPM, TE‑NV
Gearbox: 11 HP rated at 100 RPM, 1.5 service factor, rear-mounted thrust bearing
Barrel Zones: 3 heating/cooling zones
Heater Max Temp: 900 °F process
Barrel Liner: Xaloy 3690 or equivalent bimetallic
Screw Material: Inconel 625 billet with Colmonoy 56 hard facing
Clamp / Breaker Plate: Heated, hinged, single bolt clamp, Inconel or Hastelloy breaker plate
Feed Section: Full surround water-cooled, PTFE impregnated bronze bushing, Inconel/Hastelloy liner
Hopper: 1.0 ft³ stainless steel square with slide gate and dump chute
Electrical Power: 460 V 3‑Phase, 60 Hz, 120 V control, die transformer 230 V 1‑Phase
Ambient Temperature: 50–104 °F
Relative Humidity: 60% max
Control System: Navigator® Light Control with industrial PC, 15.7″ touch display, EtherCAT® field bus, soft‑PLC, recipe manager, data logging, diagnostics

Equipped With

• Air‑Cooled Barrel with High Capacity Blow‑On Cooling
• Heated Clamp / Breaker Plate
• Feed Section with Water Jacket and Needle Valve
• Drive: V‑Belt to 100–125 RPM with adjustable motor base
• Melt Pressure and Temperature Monitoring
• Closed Loop Temperature Control

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