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Development of CO2 snow cleaning for in situ cleaning of µCMM stylus tips

Feng, Xiaobing; Kinnell, Peter K.; Lawes, Simon

Authors

Xiaobing Feng xiaobing.feng@nottingham.ac.uk

Peter K. Kinnell P.Kinnell@lboro.ac.uk



Abstract

Contamination adhered to the surface of a µCMM stylus tip compromises the measurement accuracy of the µCMM system, potentially causing dimensional errors that are over ten times larger than the uncertainty of a modern µCMM. In prior work by the authors, the use of a high pressure CO2 gas stream was demonstrated to achieve significant cleaning rate for a range of contaminant without damage to the stylus tip surface. This paper explores the practical challenges of achieving effective stylus tip cleaning in situ on µCMM systems. Two types of snow cleaning approaches were evaluated for their coverage of cleaning, thermal impact and gas flow forces. This work then presents a novel multi-nozzle prototype system using pulsed snow streams to achieve cleaning coverage over the entire stylus tip, and balances forces from the snow streams reducing drag force imparted by the gas stream to levels comparable to the probing force of µCMMs, as well as allowing automated cleaning procedure integrated into a µCMM system.

Citation

Feng, X., Kinnell, P. K., & Lawes, S. (in press). Development of CO2 snow cleaning for in situ cleaning of µCMM stylus tips. Measurement Science and Technology, 28(1), https://doi.org/10.1088/1361-6501/28/1/015007

Journal Article Type Article
Acceptance Date Nov 3, 2016
Online Publication Date Nov 28, 2016
Deposit Date Jan 4, 2017
Publicly Available Date Jan 4, 2017
Journal Measurement Science and Technology
Print ISSN 0957-0233
Electronic ISSN 1361-6501
Publisher IOP Publishing
Peer Reviewed Peer Reviewed
Volume 28
Issue 1
DOI https://doi.org/10.1088/1361-6501/28/1/015007
Keywords Snow cleaning, µCMM, precision cleaning, cleaning force
Public URL http://eprints.nottingham.ac.uk/id/eprint/39555
Publisher URL http://iopscience.iop.org/article/10.1088/1361-6501/28/1/015007
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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