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Achievable Accuracy and Repeatability in On-Site Machining

[+] Author Affiliations
Jethro Berry, Stefan Wagner

Wagner GmbH, Eschweiler, Germany

Franz-Josef Kahlen

University of Cape Town, Cape Town, South Africa

Paper No. IMECE2010-38663, pp. 769-775; 7 pages
  • ASME 2010 International Mechanical Engineering Congress and Exposition
  • Volume 3: Design and Manufacturing, Parts A and B
  • Vancouver, British Columbia, Canada, November 12–18, 2010
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4427-4
  • Copyright © 2010 by ASME


On-site machining requirements are significantly different from machining in a factory or other semi-controlled environments. Depending on size, geometry, weight and simple practicality, it is not always possible to disassemble a defective part or component and to bring it into a factory for refurbishing or repair. Machining components of a wind tower at an altitude of close to 100 meters must happen on-site, while being exposed to the elements such as sleet and ice, rain or sand storms, or cloudless skies near the equator. Maintaining machining accuracy and repeatability in such conditions is then challenging. Design considerations for a machine to improve machining accuracy and repeatability for surface finishing of objects on-site are presented and comparisons to previously achievable accuracies and repeatabilities are drawn.

Copyright © 2010 by ASME
Topics: Machining



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