Leistritz Twin Screw Extrusion Workshop, December 4-5, 2019

Leistritz will host its' annual Twin Screw Extrusion Workshop on December 4-5, 2019 in NJ. As always, classroom sessions are supplemented by "hands-on" twin screw extrusion operating experience. A partial list of topics is as follows:

  • Co-rotating and counterrotating twin screw extrusion technology
  • How to specify, stage, disassemble, clean, reassemble and design screws
  • Techniques for dispersive and/or distributive mixing
  • Sequencing of multi-stage process operations
  • Devolatilization process techniques and practices
  • Scale-up of the twin screw extrusion process
  • Feeders and material handling for pellets, powders and liquids
  • Gear pumps and screen changers
  • Pelletizing: strand cut, water ring, and underwater
  • Direct extrusion for sheet, film, fibers and profiles
  • Reactive processing
  • Process troubleshooting
  • Control and monitoring options
  • Screw assembly and disassembly
  • Twin screw extruder maintenance tips and procedures

"Hands-on" demonstrations at Leistritz NJ process laboratory will include:

In addition to Leistritz staff, industry and academia will contribute to the program.

A hot face pelletization demo is integrated into the program.
Direct sheet extrusion with gear pump front-end attachment demo is planned.

 Interactive screw design and assembly session: As an example, see this LINK.

Co-rotating and counterrotating twin screw extruder technologies are explained.


To receive a detailed program agenda please contact May Zaw at 908/685-2333 x614 or e-mail mzaw@leistritz-extrusion.com

Dates: December 4-5, 2019
Place: Classroom sessions are held at the Holiday Inn in Clinton, NJ. Equipment demonstrations are at the Leistritz Process Laboratory. Transportation is provided to/from the demonstrations.
Cost: $800 before Nov. 8th, $900 thereafter (includes handout materials, lunches, and dinner on day 1)

To register for the Twin Screw Workshop please CLICK HERE.


Leistritz Extrusion 175 Meister Ave.
Somerville, NJ, 08876, USA
Tel +1 908-685-2333
e-mail: sales@leistritz-extrusion.com