Entek to showcase 33-mm and high-output 73-mm twin-screw extruders at NPE2018

Extrusion systems manufacturer Entek (Lebanon, OR) will showcase a pair of twin-screw extruders along with interactive work stations that facilitate screw layout design in booth W 5189 at NPE2018. 

The company’s QC3 33-mm co-rotating twin-screw extruder—a size not previously offered by the company and being shown publicly for the first time—is designed for small-size lots of compounds and includes all of the company’s QC3—quick-change, quick-clean and quality control—features. It joins Entek’s other QC3 models, which include 27-, 43- and 53-mm co-rotating twin-screw extruders. The company also manufactures 73-, 103- and 133-mm models. 

“The 27-mm twin-screw extruder is excellent for lab environments and our 43 mm is designed for small to medium-sized lots of compounds,” said Linda Campbell, Director of Sales. “We were getting a lot of requests from customers for something in-between, a machine specifically designed for small lots but with more output than the lab machine,” said Campbell.

Entek's 33-mm co-rotating twin-screw extruder
Entek's QC3 33-mm twin-screw extruder will be shown publicly for the first time at NPE2018.

Entek said that it worked closely with customers to identify specific needs and used lean principles to deliver a machine that provides important benefits to compounders.  

New mechanical design features incorporated into the ENTEK QC3 33-mm extruder include:

  • Patented self-aligning screw-gearbox couplings to facilitate fast, foolproof screw installation;
  • lock-and-key mechanism on splined shafts to prevent screw timing errors;
  • conveniently located gauges for quick monitoring of lube and cooling system running conditions;
  • quick-change strand die;
  • robust barrel shroud that is easy to remove;
  • tip wrench to remove tips with screws in the extruder; and
  • enhanced controls and software that keep the machine running except when operating conditions exceed clearly defined customer-specified limits or when safety of the operator or the equipment is in jeopardy.  

The company also will feature its 73-mm twin-screw extruder for high-output custom compounding of bioresins, wood-plastic composites and large lots of color compounds. The machine is available with a 600-hp motor and screw speeds up to 900 rpm.

Two interactive work stations will be set up at the booth to demonstrate to visitors how easy it is to quickly design screw and barrel layouts for specific applications.  

The software’s built-in features include:

  • Drag-and-drop functionality on barrel sections, screws, metallurgy and so forth;
  • automatic calculation of remaining space on the screw shafts;
  • safeguards to prevent putting certain elements where they do not belong; and
  • easy part ordering, as complete part numbers are furnished within the program.

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