Heterodyne laser interferometric techniques based on Fresnel diffraction

Kosinskii, D. V.; Teleshevskii, V. I.; Sokolov, V. A.

doi:10.1007/s11018-011-9817-6

Cited by 4 publications

(3 citation statements)

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“…Third, since NC and CNC systems are being developed, automated error correction is currently possible. Fourth, new precision methods and means of measurement have been developed, covering all machine sizes and precision ranges [6,7]. Finally, theory of error correction and advanced mathematics is being developed [8].…”

Section: Task Settingmentioning

confidence: 99%

“…Any rigid body has 6 degrees of freedom: 3 linear movements and 3 angular rotations. Since these degrees of freedom can't be strictly limited to one desired movement, each of the axes has 6 error components -3 linear and 3 angular errors$ combined with 3 squareness errors, they total to 21 "parametric errors", each of them dependent of current coordinates in machine's workspace, as listed in [7].…”

Section: Task Settingmentioning

confidence: 99%

“…A versatile, flexible and adjustable laser interferometer [7] is able to measure parametric errors with high performance and precision. Contemporary models even can measure up to 6 parametric errors simultaneously.…”

Section: Theorymentioning

confidence: 99%

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Laser diagnostics of multi-axis machines for volumetric error

Sokolov

Teleshevskii

Masterenko

2022

J. Phys.: Conf. Ser.

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The paper describes a method of laser correction of geometric errors for CNC-controlled multi-axis equipment – CMMs and machine-tools. The method utilizes Kalman’s concept of “control and observation”. A multi-function laser interferometer is suitable to be used as an “observer” for digital production, and a CNC-programs postprocessor, introduced between CAM and CNC-systems, is used as “controller” of machine-tool’s accuracy. The result is three-dimensional distribution of volumetric accuracy within machine’s workspace – an important tool for diagnostics of the machine and the production process in general and its ability to produce and measure precision parts in particular.

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Section: Task Settingmentioning

confidence: 99%

Section: Task Settingmentioning

confidence: 99%