Uncertainty evaluation of an axi-symmetric measurement machine

Jody Muelaner, Mark Chappell, Andrew Francis, Paul Maropoulos

    Research output: Contribution to conferencePaper

    Abstract

    This paper describes a method of uncertainty evaluation for axi-symmetric measurement machines which is compliant with GUM and PUMA methodologies. Specialized measuring machines for the inspection of axisymmetric components enable the measurement of properties such as roundness (radial runout), axial runout and coning. These machines typically consist of a rotary table and a number of contact measurement probes located on slideways. Sources of uncertainty include the probe calibration process, probe repeatability, probe alignment, geometric errors in the rotary table, the dimensional stability of the structure holding the probes and form errors in the reference hemisphere which is used to calibrate the system. The generic method is described and an evaluation of an industrial machine is described as a worked example. Type A uncertainties were obtained from a repeatability study of the probe calibration process, a repeatability study of the actual measurement process, a system stability test and an elastic deformation test. Type B uncertainties were obtained from calibration certificates and estimates. Expanded uncertainties, at 95% confidence, were then calculated for the measurement of; radial runout (1.2 µm with a plunger probe or 1.7 µm with a lever probe); axial runout (1.2 µm with a plunger probe or 1.5 µm with a lever probe); and coning/swash (0.44 arc seconds with a plunger probe or 0.60 arc seconds with a lever probe).
    Original languageEnglish
    Publication statusPublished - 2015
    Event38th MATADOR conference on advanced manufacturing - National Formosa University, Huwei, Taiwan, Province of China
    Duration: 28 Mar 201530 Mar 2015

    Conference

    Conference38th MATADOR conference on advanced manufacturing
    CountryTaiwan, Province of China
    CityHuwei
    Period28/03/1530/03/15

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    Calibration
    Uncertainty
    Slideways
    Dimensional stability
    Elastic deformation
    System stability
    Inspection

    Cite this

    Muelaner, J., Chappell, M., Francis, A., & Maropoulos, P. (2015). Uncertainty evaluation of an axi-symmetric measurement machine. Paper presented at 38th MATADOR conference on advanced manufacturing, Huwei, Taiwan, Province of China.
    Muelaner, Jody ; Chappell, Mark ; Francis, Andrew ; Maropoulos, Paul. / Uncertainty evaluation of an axi-symmetric measurement machine. Paper presented at 38th MATADOR conference on advanced manufacturing, Huwei, Taiwan, Province of China.
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    title = "Uncertainty evaluation of an axi-symmetric measurement machine",
    abstract = "This paper describes a method of uncertainty evaluation for axi-symmetric measurement machines which is compliant with GUM and PUMA methodologies. Specialized measuring machines for the inspection of axisymmetric components enable the measurement of properties such as roundness (radial runout), axial runout and coning. These machines typically consist of a rotary table and a number of contact measurement probes located on slideways. Sources of uncertainty include the probe calibration process, probe repeatability, probe alignment, geometric errors in the rotary table, the dimensional stability of the structure holding the probes and form errors in the reference hemisphere which is used to calibrate the system. The generic method is described and an evaluation of an industrial machine is described as a worked example. Type A uncertainties were obtained from a repeatability study of the probe calibration process, a repeatability study of the actual measurement process, a system stability test and an elastic deformation test. Type B uncertainties were obtained from calibration certificates and estimates. Expanded uncertainties, at 95{\%} confidence, were then calculated for the measurement of; radial runout (1.2 µm with a plunger probe or 1.7 µm with a lever probe); axial runout (1.2 µm with a plunger probe or 1.5 µm with a lever probe); and coning/swash (0.44 arc seconds with a plunger probe or 0.60 arc seconds with a lever probe).",
    author = "Jody Muelaner and Mark Chappell and Andrew Francis and Paul Maropoulos",
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    language = "English",
    note = "38th MATADOR conference on advanced manufacturing ; Conference date: 28-03-2015 Through 30-03-2015",

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    Muelaner, J, Chappell, M, Francis, A & Maropoulos, P 2015, 'Uncertainty evaluation of an axi-symmetric measurement machine' Paper presented at 38th MATADOR conference on advanced manufacturing, Huwei, Taiwan, Province of China, 28/03/15 - 30/03/15, .

    Uncertainty evaluation of an axi-symmetric measurement machine. / Muelaner, Jody; Chappell, Mark; Francis, Andrew; Maropoulos, Paul.

    2015. Paper presented at 38th MATADOR conference on advanced manufacturing, Huwei, Taiwan, Province of China.

    Research output: Contribution to conferencePaper

    TY - CONF

    T1 - Uncertainty evaluation of an axi-symmetric measurement machine

    AU - Muelaner, Jody

    AU - Chappell, Mark

    AU - Francis, Andrew

    AU - Maropoulos, Paul

    PY - 2015

    Y1 - 2015

    N2 - This paper describes a method of uncertainty evaluation for axi-symmetric measurement machines which is compliant with GUM and PUMA methodologies. Specialized measuring machines for the inspection of axisymmetric components enable the measurement of properties such as roundness (radial runout), axial runout and coning. These machines typically consist of a rotary table and a number of contact measurement probes located on slideways. Sources of uncertainty include the probe calibration process, probe repeatability, probe alignment, geometric errors in the rotary table, the dimensional stability of the structure holding the probes and form errors in the reference hemisphere which is used to calibrate the system. The generic method is described and an evaluation of an industrial machine is described as a worked example. Type A uncertainties were obtained from a repeatability study of the probe calibration process, a repeatability study of the actual measurement process, a system stability test and an elastic deformation test. Type B uncertainties were obtained from calibration certificates and estimates. Expanded uncertainties, at 95% confidence, were then calculated for the measurement of; radial runout (1.2 µm with a plunger probe or 1.7 µm with a lever probe); axial runout (1.2 µm with a plunger probe or 1.5 µm with a lever probe); and coning/swash (0.44 arc seconds with a plunger probe or 0.60 arc seconds with a lever probe).

    AB - This paper describes a method of uncertainty evaluation for axi-symmetric measurement machines which is compliant with GUM and PUMA methodologies. Specialized measuring machines for the inspection of axisymmetric components enable the measurement of properties such as roundness (radial runout), axial runout and coning. These machines typically consist of a rotary table and a number of contact measurement probes located on slideways. Sources of uncertainty include the probe calibration process, probe repeatability, probe alignment, geometric errors in the rotary table, the dimensional stability of the structure holding the probes and form errors in the reference hemisphere which is used to calibrate the system. The generic method is described and an evaluation of an industrial machine is described as a worked example. Type A uncertainties were obtained from a repeatability study of the probe calibration process, a repeatability study of the actual measurement process, a system stability test and an elastic deformation test. Type B uncertainties were obtained from calibration certificates and estimates. Expanded uncertainties, at 95% confidence, were then calculated for the measurement of; radial runout (1.2 µm with a plunger probe or 1.7 µm with a lever probe); axial runout (1.2 µm with a plunger probe or 1.5 µm with a lever probe); and coning/swash (0.44 arc seconds with a plunger probe or 0.60 arc seconds with a lever probe).

    M3 - Paper

    ER -

    Muelaner J, Chappell M, Francis A, Maropoulos P. Uncertainty evaluation of an axi-symmetric measurement machine. 2015. Paper presented at 38th MATADOR conference on advanced manufacturing, Huwei, Taiwan, Province of China.