engleski

Dynamic measurements in coining process

Dynamic measurements are of growing importance for industry and metrology. Typical example of dynamic measurements is monitoring of process parameters during production process. This paper analyzes dynamic measurements which were conducted in the coining process. The measurements were conducted on a hydraulic modified version of a PZM PHM-63a press. The measurements were supported and collected by a computer and were acquired using a LVDT sensor for motion determination and a digital manometer for oil pressure in the main press cylinder. The maximal forming force was predetermined on an oil pipeline valve and motion measurements were taken by sensor at a rate of 12 times per second. The collected data were analyzed with the aim of determining the variation which may have a significant effect on measurement results.

Coining process ; Micro-forming process ; Grain size ; Dynamic measurements ; Time series

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