Many challenges in machining need to be overcome in replacing fiber reinforced composites. In this work, jute fiber reinforced bioepoxy resin laminates were manufactured, drilled and inspected. The drilling operations were performed on jute fiber reinforced composites by high speed steel (HSS) drill bits. Drill wear state prediction allows the determination of the hole quality as well as tool replacement at proper time, during the drilling process in high speed machining (HSM). The effective drill wear model has been established to predict the drill wear states based on the relationship between the cutting current signals and the various cutting parameters (cutting speed, feed, drill diameter), using the standard data acquisition software Laboratory Virtual Instrumentation Engineering Workbench (LabVIEW) in the application of virtual instrumentation (VI). The established drill wear model was used for the continuous monitoring of the cutting tool status, and to exhibit the drill wear states as a percentage of the maximum permissible wear. Meanwhile, it facilitates defective tool replacement at the proper time in an automated manufacturing environment.
Key words: Jute fiber reinforced composites, drill wear monitoring, cutting current signals,high speed machining (HSM), virtual instrumentation (VI).
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