Davis-Standard Adds Extruder for Trials

PAWCATUCK, CT | Davis-Standard reports a next-generation Thermatic Series 4.5-in. (114-mm) extruder is available for trials at its Extrusion Technology Development Center in Pawcatuck. 

Davis-Standard’s Thermatic Series extruder at the Extrusion Technology Development Center

The extruder, installed in July, is being used for internal R&D and product development for customers. The extruder’s platform represents a collaborative effort among the company’s mechanical, electrical, process, and controls engineering departments to create optimal processing for the full portfolio of extruder applications from blown film to wire and cable. It features enhancements across the board and provides multiple possibilities with L/D ratios of 24, 30 and 34:1. According to John Christiano, Davis-Standard’s VP of technology, “This new extruder platform is a reflection of experience and collaboration. Because of its relevance across all extrusion applications, it will serve as an excellent platform to support our customer’s extrusion needs now and for many years to come.”

Features of the new Thermatic include 400 HP water-cooled motor technology, a screw speed range to 375 rpm, advanced and conventional vent diverter geometry, an improved barrel cooling system, and next-generation gearbox technology. The extruder is equipped with an EPIC III control system said to feature a streamlined console, high-data transmission rate, and improved graphics. It is also engineered with smart extruder technology for preventative maintenance monitoring of vibration, oil composition, motor parameters, heater status, screw wear algorithm, and energy consumption. Other advantages include a high wear-resistant barrel and feedscrew, an integrated melt pump with controls, static mixer, and an optimized mezzanine design.

The extruder can be fit with the complete line of company’s DSB feedscrews in addition to a variety of metering screws and other specialized designs.

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