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A new method for circular testing of machine tools under loaded condition
KTH, School of Industrial Engineering and Management (ITM), Production Engineering, Machine and Process Technology.ORCID iD: 0000-0001-9185-4607
KTH, School of Industrial Engineering and Management (ITM), Production Engineering, Machine and Process Technology.
KTH, School of Industrial Engineering and Management (ITM), Production Engineering, Machine and Process Technology.
(Scania CV AB, TDX Production Development)
2012 (English)In: Fifth CIRP Conference On High Performance Cutting 2012 / [ed] Konrad Wegener, Elsevier, 2012, 575-580 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper presents a novel test device for the evaluation of the accuracy of machine tools. The design concept is similar to a double ball bar (DBB) with the difference that an adjustable load generated by the device can be applied between spindle nose and machine tool table. The device, called Loaded Double Ball Bar (LDBB), can be used either as an ordinary double ball bar system with no load applied to the structure, or with a predefined load applied to the structure. The load that is generated by the LDBB is generally not equivalent to real cutting forces. However, from the static deflection point of view the effect of the load on the machine tool structure has similar impact on the static behaviour of the system. For instance, the load can in some cases eliminate existing play in ball screws, plays that under normal machining condition will be eliminated by the effect of cutting forces on the structure. With the help of this test device, not only can the identifiable errors by an ordinary DBB be evaluated but also machine tool elastic deflection in different directions. It is also possible to track different error patterns to the applied load.

Place, publisher, year, edition, pages
Elsevier, 2012. 575-580 p.
Series
Procedia CIRP, ISSN 2212-8271 ; 1
Keyword [en]
Machine tool, Stiffness, Loaded Double Ball Bar, LDBB
National Category
Production Engineering, Human Work Science and Ergonomics
Research subject
SRA - Production
Identifiers
URN: urn:nbn:se:kth:diva-105189ISI: 000314996400098Scopus ID: 2-s2.0-84879192875OAI: oai:DiVA.org:kth-105189DiVA: diva2:570256
Conference
5th CIRP International Conference on High Performance Cutting Location: Zurich, Switzerland Date: JUN 04-07, 2012
Funder
XPRES - Initiative for excellence in production research
Note

QC 20121217

Available from: 2012-11-18 Created: 2012-11-18 Last updated: 2017-04-28Bibliographically approved

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Archenti, Andreas

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