ENERGY-EFFICIENCY IMPROVEMENT AND PROCESSING PERFORMANCE OPTIMIZATION OF FORGING HYDRAULIC PRESSES BASED ON AN ENERGY-SAVING BUFFER SYSTEM

Energy-Efficiency Improvement and Processing Performance Optimization of Forging Hydraulic Presses Based on an Energy-Saving Buffer System

This paper proposes an energy-saving system based on a prefill system and a buffer system to improve 1262 the energy efficiency and the processing performance of hydraulic presses.Saving energy by integrating such systems into the cooling system of a hydraulic press has not been previously reported.A prefill system, powered by the power unit of the

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Osteological characteristics of fish remains from early medieval sedimentary layers of the port in the town of Wolin

In seventeen early medieval sedimentary layers of the port of the town of Wolin, corresponding chronologically with the time period from the beginning of the 9th till the middle of the 13th Hand puppet century, the occurrence of 3 537 bone remains was stated, of which 2 784 pieces had their anatomy determined.In the identified archaeological materi

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