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Comparative analysis of power measurement results in the testing of sand mixers

Smyksy K., Wrona R., Ziółkowski E.

Archives of Foundry Engineering

2013

Vol. 13, iss. 3

119--122

Investigations of operating parameters of widely used sand mixers reveal a wide variability range in the values of parameters associated with their power demand. Power efficiency of manufacturing processes has received a great deal of attention lately, which encourages the research efforts to optimise this aspects of operation of machines and installations as well. In the first place these machines and installations have to work properly as a part of the process line- which applies also to moulding sand mixers. Experiments conducted by the authors suggest that the same goal can be achieved at variable energy input levels. To obtain information about the power demands of sand mixers requires the use of highly specialised equipment, methodology and result processing procedures. This study provides a brief characteristic of measurement equipment and results of measurements taken on a unit AG-015 (based on a roller mixer) and a laboratory rotor mixer.

Application of a power quality analyser to the monitoring of sand preparation processes in foundry plants

Smyksy K., Wrona R., Ziółkowski E.

Archives of Foundry Engineering

2011

Vol. 11, iss. 4

141-144

Process control plays a major role in supervision and identification of states, for example in monitoring of electric circuits power - supplying the foundry machines and devices, such as sand preparation processes, moulding technologies, melting, cleaning and finishing of castings. The monitoring and control equipment includes the power quality analysers. Testing is done using a Japanese analyser KEW 6319 (Kyoritsu) applied to monitoring of the sand preparation process in a foundry plant with low level of mechanization, equipped with the sand preparation unit based on a roller mixer.