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A top-down equivalent stiffness approach for prediction of deviation sources in machine tool joints
KTH, School of Industrial Engineering and Management (ITM), Production Engineering. (Manufacturing and Metrology Systems)
KTH, School of Industrial Engineering and Management (ITM), Production Engineering. (Manufacturing and Metrology Systems)
2017 (English)In: CIRP annals, ISSN 0007-8506, E-ISSN 1726-0604Article in journal (Refereed) Published
Abstract [en]

The accuracy of machine tools is affected to a large extent by the behavior of the system's joints. In this paper the equivalent stiffness approach identifies and calculates the contribution of joint error sources to the total deviation measured between toolholder and workpiece under loaded conditions. The force–deviation functions are measured at different locations in the machine workspace. Joint deviations are then computed and compared with results obtained from measurements. The results show the effectiveness of the proposed method in determining joint errors in machines.

Place, publisher, year, edition, pages
Elsevier, 2017.
Keywords [en]
Accuracy; Stiffness; Machine tool
National Category
Production Engineering, Human Work Science and Ergonomics
Research subject
Production Engineering
Identifiers
URN: urn:nbn:se:kth:diva-205892DOI: 10.1016/j.cirp.2017.04.066ISI: 000407985900121Scopus ID: 2-s2.0-85018812891OAI: oai:DiVA.org:kth-205892DiVA, id: diva2:1090633
Funder
XPRES - Initiative for excellence in production research
Note

QC 20170502

Available from: 2017-04-25 Created: 2017-04-25 Last updated: 2017-09-12Bibliographically approved

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