Extrusion as a plastic manufacturing process consumes a significant amount of energy. In a world where energy efficiency has an impact on everything from operating costs to brand image plastic manufacturers can no longer ignore the importance of running a sustainable operation.

Approximately 50% of the total energy used to create a plastic part goes toward driving the extruder. Implementing best practices and more efficient equipment can help extruders reduce energy use by roughly 10% according to researchers. In this two-part post, we look at six ways to create an energy efficient extrusion process.

Consider the importance of timing

Timing is everything in energy efficient extrusion. Optimise your start-up and shutdown procedures to align with your peak demands. For example, shutdown can be timed to switch off the most energy-intensive areas of the machine as quickly as possible.

Use maximum load

Motors run most efficiently when running at full load. Experts recommend setting the extruder to run at its maximum design speed, but controlling the screw speed to maintain the quality of your product. Using a small motor at full tilt is better than running a larger motor at partial capacity.

Accurate temperature

Doubling the rotational speed of your motor can assist in cutting your energy consumption almost by half. Right-size your motor to match the torque needed by the screw. Optimal speed generates maximum heat from mechanical work and reduces the electrical energy needed.

Don’t miss part two of our post where we look at three more tips to help you run an energy efficient extrusion line.

Plastic & Chemical Trading together with our international partners deliver world class extrusion solutions to South Africa. If you’re in the market for a plastic manufacturing solution that can stand the test of time, contact Plastic and Chemical trading today.

Resource: www.smartwatt.com

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