Extrusion Moulding Advanced Training Courses
Designed with new starters in mindAdvanced Extrusion Moulding Course
The Sierra 57 Consult Extrusion Moulding Training Course consists of 22 modules overall, with an additional 8 specialty modules that address specific weaknesses that your workforce may have.
For Advanced Extrusion Moulding, we suggest that candidates take the following 8 modules, with 2 extra specialty modules. These modules cover the following:
For Advanced Extrusion Moulding:
Module EX-10 Barrier Flight and mixing screws
Module EX-12 Downstream equipment and line integration
Module EX-14 Principles for establishing new material running set-up
Module EX-B Extrusion Processes Overview Basic die head and tool design
Module EX-D Risk Assessment
Module EX-17 Materials Level Three: Morphology and Crystallinity
Module EX-18 TG & Design Influences
Module EX-19 Fluid Dynamics
Specialty Modules
Module EX-C Team Leaders Extrusion Appreciation
Module EX-20 Counter Rotating Twin Screw Extrusion

EX-PD7: Advanced Extrusion – Detailed Modules
EX-10 Barrier Flight and mixing screws
Duration: 1/2 day
Aims – to introduce the aspects of alternative screw designs and the impact on overall process efficiency
- Alternative extruder screw designs
- Mixing functions in the single screw extruder
- Barrier Flight Screws
- Calculate Ratios for compression
Outcome – achieve a good understanding of alternative screw designs, improve the ability of the team to understand opportunities for improve production rates, quality and machine efficiency.
Ex-12 Downstream equipment and line integration
Duration: 1 day
Aims – educate attendees on the primary functions and controls for the process line:
- This module will be adapted to suit the users’ processes and applications
- Equipment functions within the process line.
- Calibration and cooling.
- Line control integration.
- Opportunities for improving production rate.
Outcome – improve the teams understanding of downstream equipment functions, designs and the impact on overall production line.
EX-14 – Principles for establishing new material running set-up
Duration: 1 day
Aims – to provide an understanding that extrusion is a diverse discipline and how a systematic approach to polymer extrusion based on the principles of the scientific methodology can improve productivity and deliver robust processes for developing processing criteria for new product development.
- Rheology. Selection of Correct Screw Design.
- Extrusion Rate Calculation.
- Cooling Requirement Calculation.
- Line Speed Optimisation.
- Process Capability Study.
Outcome – improved efficiency, productivity, FMEA validation and improved process control (OEE)
EX-B – Extrusion Processes Overview Basic Die Head and Tool Design
Duration: 1 day
Aims – to introduce the various tool construction methods used.
This module will be adapted to suit the users processes and applications:
- Single Profile Die Head
- Co-extrusion Die Head
- Single Tube Die Head
- Multi-layer Tube
- Crosshead Extrusion Tooling
- Blown film dies and air ring
- Sheet extrusion Die Head
- Die Head Temperature control
Outcome – increased tool construction knowledge, understanding of tool variation.
EX-D – Risk Assessment
Duration: 1 day
Aims – to provide understanding of the risk assessments to be considered in a polymer extrusion environment
- Understanding what Risk Assessment is.
- Risk Assessment and the Law.
- Understanding Hazards and Risks.
- Objectives of Risk Assessment.
- The Five Steps to Risk Assessment.
- Hazard Identification methods.
- Evaluating the Risk and Deciding on Precautions.
- Implementing Control Measures.
Outcome – increased team leader and middle management awareness of risk assessment principles.
EX-PD6: Advanced Understanding of Plastics Materials – Detailed Modules…
EX-17 – Materials Level Three – Morphology and Crystallinity
Duration: 1 day
Aims – to increase the material knowledge of attendees further and build on learning from Modules at Level one and two.
- Crystallinity.
- Advanced Molecular Structure of Polymers.
Outcome – further understanding of materials technology to aid process set up and part manufacture
Module EX-18 – Materials Level Four – TG and Design Influences
Duration: 1 day
Aims – introduce the concept of material rheology:
- The Glass Transition Temperature.
- Factors Influencing Design with Plastics.
- Strength of Plastics Materials (Understanding Modulus)
- Further Understanding of Material Data Sheets.
- Bio and Bio-degradable plastics.
Outcome – improve the understanding of material rheology, improve production process, achieve process stability
EX-19 – Fluid Dynamics
Duration: 1 day
Aims – to introduce the basic dynamics of polymer processing (fluid dynamics)
- Overview of flow analysis (with respect to extrusion
- Understanding of the three-dimensional (3D) non-isothermal, non-Newtonian fluid flow of polymer melt.
- Predict how much pressure is required in advance using calculations of fluid dynamics. Understand that molten plastic has some viscosity (resistance to flow), and the impact of the viscosity changes upon time.
- The equations of calculations of fluid dynamics are explored
Outcome – improved understanding of material rheology, viscosity and fluid flow. Improved quality, increased efficiency of material usage and improved process control.
Specialty Modules for Advanced Extrusion Moulding Training
Ex-20 – Counter Rotating Twin Screw Extruders
Duration: 1 day
Aims – to improve understanding of function and design criteria of Counter rotating extruder screws:
- Parallel and Conical Twin-Screw Extruders
- Applications for use
- Radial and Axial Clearance
- Temperature Control
- Troubleshooting extrusion issues
Outcome – improve the teams understanding of machine designs, material processing and control to reduce downtime and increase shop efficiency.
Module EX-C Team Leaders Extrusion Appreciation
Duration: 2 days
Aims –To provide an understanding of the elements involved in injection moulding
- To provide understanding of the safety aspects associated with extrusion
- An appreciation of Extrusion Principles.
- Process Safety and Applied Safe Working Practices.
- Safe and Efficient Start-up and Shut Down of an Extruder.
- Detailed Construction, Control and Operation of an Extruder.
- Understanding of Die Head Construction.
- Auxiliaries and their uses.
- Basic Knowledge of Polymers.
- Common Extrusion Defects and Possible Solutions.
- Understanding of Extruder Monitoring and Quality Control systems.
Outcome – increased team leader and middle management awareness of extruder shop principles.
Sierra 57 Consult Training Courses are award winning, industry recognised & training body approved. All our plastics training courses are approved by the IOM3. Further, Sierra 57 won 'Best Training & Development' at the Plastic Industry Awards 2022, as well as 'Best Business Initiative' in the 2023 PIA's We are members of the British Plastics Federation (BPF) & Polymer Machinery Manufacturers and Distributors Association (PMMDA)
Education is a powerful way to transform lives & your business.
There is a shortage of good, skilled Engineers in the UK.
Upskilling your workforce will foster loyalty & empower them to be their very best.
Further, upskilling is approximately a third of the cost of recruiting.