A23 Identification of geometric deviations including squareness of translational axes in five-axis machining centers

Li, Zhimeng; Tone, Shintaro; Tsutsumi, Masaomi; Kato, Noriyuki

doi:10.1299/jsmemmt.2012.9.47

Cited by 1 publication

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“…Only four publication address this issue by including linear axis location errors in the identification process. Li et al [23] included linear axis squareness effects in their identification of rotary axis location errors, and Tsutsumi et al [24] conducted similar research in conjunction with a non-orthogonal rotary axis configuration. Likewise, [21,22] both incorporate linear axis squareness in their model-based optimisation of error parameters.…”

Section: Limitations and Assumptions In Existing Tmbb Testing Methodsmentioning

confidence: 99%

A new methodology for identifying location errors in 5-axis machine tools using a single ballbar set-up

Flynn

Shokrani

Vichare

et al. 2016

Int J Adv Manuf Technol

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Ballbar testing of rotary axes in 5-axis machine tools can be time-consuming and requires high levels of operator expertise; especially in the setup process. Faster tests reduce down-time and encourage frequent updates to compensation parameters to reflect the current state of the machine. A virtual machine tool (VMT) is developed to emulate the machine tool, its geometric errors and the testing procedures. This was used to develop a new single setup testing method to identify all rotary axis locations errors, whilst remaining robust in the presence of setup error and linear axis squareness errors. New testing and data processing techniques remove the requirement for fine adjustment of the tool-cup and permit full automation of necessary toolpaths, including transitions. Using the VMT, error identification residuals were found to be 2.7% or less. Experiments and statistical analysis then showed that all errors can be measured using a single setup , and values are sufficiently close to the values measured using conventional multi-setup procedures to be used in error compensation. This method will significantly reduce setup durations and removes the need for any modified testing hardware.

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Section: Limitations and Assumptions In Existing Tmbb Testing Methodsmentioning

confidence: 99%

A new methodology for identifying location errors in 5-axis machine tools using a single ballbar set-up

Flynn

Shokrani

Vichare

et al. 2016

Int J Adv Manuf Technol

View full text Add to dashboard Cite

show abstract

A23 Identification of geometric deviations including squareness of translational axes in five-axis machining centers

Cited by 1 publication

References 0 publications

A new methodology for identifying location errors in 5-axis machine tools using a single ballbar set-up

A new methodology for identifying location errors in 5-axis machine tools using a single ballbar set-up

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