Energy efficiency of machines – revision of EUROMAP 60

Energy efficiency has been an issue for the European plastics and rubber machinery industry for some time. The EU Ecodesign Directive and customer demand for transparent and comparable energy consumption figures brought fresh impetus with the first step being the EUROMAP 60 on the determination of the energy consumption of injection moulding machines. But according to the European machinery association EUROMAP, it failed to provide the sought after comparability because factors such as the measurement parameters were not adequately defined. For that reason, the recommendation has now been revised into two parts: 60.1 and 60.2.

The new version gives customers an opportunity to compare machines from different manufacturers on the basis of uniform parameters. It introduces an energy efficiency classification based on two test cycles that take into account the particular characteristics of fast running machinery and very small machines. The efficiency classes identified serve as benchmarks allowing customers to make a preselection.

In addition the second part of the new recommendation, offers the possibility of transparency in product-related energy consumption for the manufacture of individual injection-moulded parts to customer specifications (with specified materials, tools and machinery). The key parameter here is the specific energy consumption in kilowatthours per kg of plastic processed. To this end, a method of measurement with defined terms of reference is provided, together with a model for documenting the results. This will allow customers to include energy consumption in the machine’s life cycle cost calculation at the tendering stage.

EUROMAP says it is also working on recommendations for measuring the energy consumption of extrusion, blow moulding and thermoforming machines.

(IMA)


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