Measurement of thermal influence on a two-dimensional motion trajectory using a tracking interferometer

Ibaraki, Soichi; Blaser, Philip; Shimoike, M.; Takayama, Naoshi; Nakaminami, Masamitsu; Ido, Yutaka

doi:10.1016/j.cirp.2016.04.067

Cited by 28 publications

(11 citation statements)

References 13 publications

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“…A multilateration scheme is conducted using a single laser tracking device positioned on top of the machine table which moves automatically. As depicted in Figure 12 , YZ plane is measured with a sampling period of 20 min during a thermal cycle of 5 h. In addition, Ibaraki et al [ 128 ] present a similar approach where the identification of 2D geometric errors of linear axes by single-setup tests is aimed.…”

Section: Error Sources Due To the Machine Toolmentioning

confidence: 99%

Traceability of On-Machine Tool Measurement: A Review

Mutilba

Gomez-Acedo

Kortaberria

et al. 2017

Sensors

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Nowadays, errors during the manufacturing process of high value components are not acceptable in driving industries such as energy and transportation. Sectors such as aerospace, automotive, shipbuilding, nuclear power, large science facilities or wind power need complex and accurate components that demand close measurements and fast feedback into their manufacturing processes. New measuring technologies are already available in machine tools, including integrated touch probes and fast interface capabilities. They provide the possibility to measure the workpiece in-machine during or after its manufacture, maintaining the original setup of the workpiece and avoiding the manufacturing process from being interrupted to transport the workpiece to a measuring position. However, the traceability of the measurement process on a machine tool is not ensured yet and measurement data is still not fully reliable enough for process control or product validation. The scientific objective is to determine the uncertainty on a machine tool measurement and, therefore, convert it into a machine integrated traceable measuring process. For that purpose, an error budget should consider error sources such as the machine tools, components under measurement and the interactions between both of them. This paper reviews all those uncertainty sources, being mainly focused on those related to the machine tool, either on the process of geometric error assessment of the machine or on the technology employed to probe the measurand.

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Section: Error Sources Due To the Machine Toolmentioning

confidence: 99%

Traceability of On-Machine Tool Measurement: A Review

Mutilba

Gomez-Acedo

Kortaberria

et al. 2017

Sensors

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show abstract

“…The increase of the volumetric accuracy of a five-axis machining centre using a reconfigurable artefact is presented in [6]. The use of tracking interferometers to assess 2D geometric errors influenced by temperature change is described in [7]. The utilisation of manufacturing accuracy data for rotational error assessment is presented in [8], linear axis compensation procedures in publications [9,10], the use of the Ballbar for machine tool error assessment and compensation in [11], a comprehensive assessment of measurement methods, overexertion and their effects on large machines in [12] and the use of on-machine tool measurement in [13].…”

Section: Introductionmentioning

confidence: 99%

Experimental Study of the Volumetric Error Effect on the Resulting Working Accuracy—Roundness

et al. 2020

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Currently, various types of software compensations are applied to machine tools. Their aim is to increase the working accuracy of the tools. The improvement in working accuracy is then further assessed according to the increase in the dimensional and shape accuracy or the surface quality of the workpiece. This publication describes the effects of the volumetric accuracy of a machine tool on the working accuracy of a workpiece, where total roundness (RONt) is evaluated in multiple cuts. In the experiment, two test workpieces are manufactured on a three-axis milling machining centre. The first is made using a standard machine setup while the second with activated volumetric compensation. The LaserTRACER self-tracking laser interferometer is used to compensate for volumetric accuracy. In the second part, verification measurements are performed with a Ballbar, where roundness error is evaluated according to ISO 230-4. Then two test workpieces are machined, and, in the last part, measurement is performed on Talyrond 595S roundness measuring equipment. Finally, the results are analysed and the dependence between the volumetric accuracy, the circularity error of the machine and the working accuracy of the CNC machine tool is established, represented by the RONt of the workpiece. This paper presents new and unpublished relations between the volumetric accuracy of the machine tool and the RONt of the workpiece.

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“…The proposed three-step test procedure, as well as the algorithm proposed in Section 2.3, can be applied to this setup with an automated tracking interferometer. This setup is presented in [9]. Remark #3: To calculate Eq.…”

Section: Remark #1mentioning

confidence: 99%

“…• Due to long measurement time, it cannot be applied to, for example, the evaluation of the thermal influence on the volumetric accuracy [8,9]. This paper proposes a novel test scheme consisting of the following tests: 1) direct measurement of the linear positioning deviation of two linear axes, and 2) the distance measurement to the retroreflector, positioned on a rectangular path, by continuously regulating the laser beam direction of a laser interferometer.…”

Section: Introductionmentioning

confidence: 99%