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Gemini Conical Extruders

Gemini Conical Extruders
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PROFILE GEMINI® CONICAL (GC) TWIN SCREW EXTRUDERS Davis-Standard’s Gemini® series conical twin screw extruders provide pipe and profile processors with processing flexibility, low maintenance, and maximum productivity. This extruder line includes the GC-40 (40mm), GC-61 (61mm), and GC-65 (65mm) extruders, ACC designed with a compact machine configuration on a single base with alternate drive positioning and sizing. These extruders are engineered for custom window profiles, fence profiles, vertical blinds, capstock coextrusion and materials development, as well as quality control laboratory usage. At A Glance • American-designed conical twins built for demanding service, First maximum productivity, and minimum maintenance. • Rugged, high performance gearbox with over twice the torque capacity and thrust bearing life of competitive models. • rpm screws with internal sealed water-cooling systems Low for processing RPVC powder formulations. • High-efficiency Thermafin air-cooled barrel heaters and sealed, water-tempered screws for simple operation, low maintenance, and energy savings. www.davis-standard.com

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GEMINI® CONICAL (GC) TWIN SCREW EXTRUDERS cont. MACHINE DESIGN SPECIFICATIONS GC-40 GC-61 GC-65 1.6/3.4 in. (40/86mm) 2.4/5.1 in. (61/130mm) 2.5/5.1 in. (65/165mm) 34.9 in. (886mm) 51.8 in. (1,316mm) 51.8 in. (1,316mm) 38 26 26 Sealed in, self-regulating water or circulating oil Sealed in, self-regulating water or circulating oil Sealed in, self-regulating water or circulating oil Flux Vector AC, 1750 rpm, HP (kW) 20 (15) 40 (30) 50 (37) Ratio 17.56:1 30.1:5 30.1:5 Model Diameter, Front/Rear Screws Length Speed (Maximum RPM) Drive Tempering Lubrication Forced Splash Splash 20 (15) @ 38 RPM...

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