Taking the lab into the classroom: Using mobile technology to monitor and receive data from CNC machines

Technology education requires students to understand how theory relates to practice. This relation is established during laboratory sessions carried out during the course. Unfortunately, this laboratory work is often conducted in after-class sessions, limiting the opportunity for the professor to sh...

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Bibliographic Details
Published in:Journal of manufacturing systems 2005-01, Vol.24 (3), p.266-270
Main Authors: Monroy, Victor M., de Dios Calderón, Juan, Miranda V., José C.
Format: Article
Language:English
Subjects:
Accelerometers
Applied sciences
Classrooms
Data acquisition systems
Data exchange
Dynamic data exchange
Education
Educational technology
Exact sciences and technology
Experiments
Fourier transforms
General aspects
Internet
Laboratories
Learning
Machining
Mechanical engineering. Machine design
Mobile Technology
Numerical controls
Occupational training. Personnel. Work management
Portable computers
Remote Monitoring
Students
Studies
Technological change
Web browsers
Web Control
Wireless access points
Wireless communications
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Summary:Technology education requires students to understand how theory relates to practice. This relation is established during laboratory sessions carried out during the course. Unfortunately, this laboratory work is often conducted in after-class sessions, limiting the opportunity for the professor to show in theory and practice in parallel, losing the opportunity to maximize learning. The present work shows how a CNC lathe located 70 miles away from ITESM Campus Toluca was instrumented and set up with a three-component piezoelectric dynamometer, piezoelectric accelerometers, and an impulse hammer in order to receive force, acceleration, and stiffness measurements in real time. Inside the classroom, the professor and students will use tablet PCs, laptops, and handhelds to visualize the data during the lecture, so students can relate machining theory and dynamic analysis concepts with practice. Students will also be able to send a CNC program to the lathe and retrieve the current program loaded from it. Because of the distances, the system will use Internet and wireless communications for the data exchange.
ISSN:0278-6125
1878-6642
DOI:10.1016/S0278-6125(06)80017-8