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Session 3659

Lathe Instrumentation utilizing LABVIEW

S. A. Chickamenahalli, Venkateswaran Nallaperumal Wayne State University

Abstract This paper presents an innovative instrumentation project that consists of instrumentation on a lathe using National Instruments Data Acquisition (NIDAQ) tools and display using Labview software. The aim was to carryout real-time measurement and display acquired waveforms on a PC screen and also store these waveforms for later use. This work is part of a NSF funded Greenfield Coalition’s New Manufacturing Engineering curriculum project. Sensing and display of the motor torque and power of the lathe with respect to the depth of cut in real time and study of these for different materials and different tools are goals of the Labview application.

The development of the project is described and the results from the Lathe instrumentation are enclosed and discussed. Inquiry based and advanced features associated with the project that could enable examining student understanding of data acquisition, interfacing, sensing and programming at the end of the project are highlighted. Utilization of the project as part of the ET and Manufacturing curriculum is highlighted. The scope of future work is presented.

1. Introduction

PC based instrumentation has been widely accepted as a very effective means of measuring data in all areas of engineering. While utilizing computers as their centerpiece, these instrumentation systems are powerful avenues for data analysis and presentation. Being programmable, virtual instruments provide the advantages of multiple functionality over traditional analog instruments. Several companies manufacture data acquisition boards (DAQ) that housed within computers allow the acquisition of real time data for display, analysis, control and storage.

Amongst data acquisition hardware tools, most widely used and reported are made by National Instruments (NI), Datel, Keithley Metrabyte, Data Translation, Industrial Computer Source etc. The most popular data display tools likewise are the NI Labview and DADISP. Integrated data acquisition systems such as LabTech/Control and LabTech/Notebook from LabTech, TestPoint and Easiest from Keithley Metrabyte, DT VEE from Data Translation have been in use for several years. Due to the excellent academic programs, the NI tools have instilled interest amongst academic users more than any other tool. Our previous paper provides an exhaustive list of references that have dealt with Labview and NIDAQ tools is provided at the end of the paper [1]. Recent reports of Labview utilization for electric machines and power electronics are available [2, 3]. Availability of the student edition of Labview 5.0 from Addison Wesley at a

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Nallaperumal, V., & Chickamenahalli, S. A. (1999, June), Lathe Instrumentation Utilizing Labview Paper presented at 1999 Annual Conference, Charlotte, North Carolina. 10.18260/1-2--7806