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The Super-G extruders from Processing Technologies International (Aurora, IL) boast oversized feed sections and streamlined feed hoppers with support, delivery chute and tramp metal protection.

PlasticsToday Staff

March 6, 2017

2 Min Read
High-speed extruders for processing PP and HIPS introduced

Processing Technologies International LLC (PTi; Aurora, IL) announced today that it has entered the high-speed extruder segment with the launch of its Super-G extruders for the processing of polypropylene (PP) and high-impact polystyrene (HIPS) for the packaging market.

The  Super-G SGHS3000-36D extruder is equipped with a 500-hp motor and runs at a maximum speed of 1000 rpm, while the Super-G SGHS3000-42D model has a 600-hp motor and runs at a maximum speed of 1200 rpm. Each is capable of faster speeds, however: PTi establishes the maximum rated speed based on an upper motor load threshold of 85%. For processing of PP, the Super-G SGHS3000-36D has a production output of approximately 3,000 lb/hr, reports the company.

In addition to optimized melt performance, PTi’s high-speed extruders feature carbide-lined barrels and Colmonoy hard-faced feed screws versus case-hardened screws as featured on competitive models.

The U.S.-made Super-G extruders boast an oversized feed section, which promotes regrind feed rates at up to greater than 70%, along with a streamlined feed hopper with support, delivery chute and tramp metal protection. Other key features include feed screw removal through the back of the unit, a vent chamber that allows easy clean out and patent-pending linear bearing barrel glide support. Special air-cooled heater and blower assemblies limit the exterior heater temperature to improve safety and efficiency—less than 110° F versus competitive models, which can be as high as 500° F.

The machine is energy efficient and features a compact 17.5 x 4.5 ft (5.3 x 1.4 m) footprint.

A Model SGHS3000-36D will be ready later this spring for demonstrations and customer trials at PTi’s newly constructed Technology Development Center.

The PLASTEC zone at Advanced Design & Manufacturing (ADM) Cleveland features suppliers of plastics processing equipment, services and products along with numerous educational sessions on end markets. Find out more about the event coming to Cleveland on March 29 and 30 on the ADM Cleveland website.

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