QUANTITIES AND SENSORS FOR MACHINE TOOL SPINDLE CONDITION MONITORING

Abstract

The state-of-art machine tools incorporate a wide variety of sensors and associated signals that are used within the control system or as a process monitoring variables. Machine tool canalso be equipped with additional sensors required by customer or manufacturer with relatively no limitation. Therefore, the key issue is in “separating the wheat from the chaff”. Only those data that can be linked to machine tool failures, unintended customers’ behaviour, or (exceeding) machine loading, are suitable for further implementation in machine tool condition monitoring system. This paper uses the methods formerly known from system safety and reliability analysis – namely Failure Modes and Effects Analyses (FMEA) and its Diagnostics extension (FMEDA) – to identify such data and physical quantities. The outlined approach is supported by a practical case study on machine tool spindle condition monitoring. The proposed spindle monitoring is based on noise intensity and indirect cutting force measurement.

Recommended articles

OCCURRENCE OF GLOBULE OF DEBRIS ON SURFACES MACHINED BY WEDM

KATERINA MOURALOVA, RADIM ZAHRADNICEK, RADIM HRDY
Keywords: WEDM | electrical discharge machining | titanium alloy Ti-6Al-4V | iron-rhodium alloy | globule of debris

EVALUATION OF S-PARAMETERS ON THE SURFACE OF TITANIUM ALLOY TI-6AL-4V AND AL99.5 MACHINED BY WEDM

KATERINA MOURALOVA, JIRI KOVAR, PETRA SLIWKOVA
Keywords: WEDM | electrical discharge machining | titanium alloy Ti-6Al-4V | aluminium Al 99.5 | S-parameters

INFLUENCE OF HIGH ENERGY TREATMENT ON WEAR OF EDGES KNIVES OF WOOD-CUTTING TOOL

VADZIM CHAYEUSKI, VALERY ZHYLINSKI, ALEXANDER GRISHKEVICH, PAVEL RUDAK, STEFAN BARCIK
Keywords: coating | milling tool | knives | blade | wear

MECHANICAL PROPERTIES OF POWDER CoCrW-ALLOY PREPARED BY AM TECHNOLOGY

ALICA FEDORIKOVA, RADOVAN HUDAK, JOZEF ZIVCAK, ROBERT BIDULSKY, PATRIK PETROUSEK, JANA BIDULSKA, ROBERT KOCISKO, VIKTORIA RAJTUKOVA
Keywords: powder CoCrW-alloy | selective laser melting | mechanical properties | porosity