Inertia Compensation While Scanning Screw Threads on Coordinate Measuring Machines

Kosarevsky, Sergey; Latypov, Viktor

doi:10.2478/v10048-010-0007-5

Cited by 3 publications

(5 citation statements)

References 7 publications

(8 reference statements)

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“…This type of measurement is faster than measurement with touch-trigger probes, but the results are affected by dynamic errors of the machine. The above mentioned issues were described in [21][22][23][24].…”

Section: Triggering Force Of Touch-trigger Probesmentioning

confidence: 99%

Setup for Triggering Force Testing of Touch Probes for CNC Machine Tools and CMMs

Woźniak

Byszewski²,

Jankowski

2013

Measurement Science Review

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Touch-trigger probes are commonly used both in coordinate measuring machines (CMM) and in computer numerical control (CNC) machine tools. In both cases accuracy of measurement of the overall system and probing unit are closely interrelated. Key parameters of the probes are repeatability and pre-travel variation dependent on adjustable stylus force. To enable testing of the triggering force of the probes, the new setup was developed. The principle of the method and set-up is presented and its validity is experimentally confirmed.

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Section: Triggering Force Of Touch-trigger Probesmentioning

confidence: 99%

Setup for Triggering Force Testing of Touch Probes for CNC Machine Tools and CMMs

Woźniak

Byszewski²,

Jankowski

2013

Measurement Science Review

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“…Theoretical analysis and experimental studies recently spotted the main source of probe detection errors [1]- [7], [11]- [23] on the touching point . Practically, measurement accuracy is determined by the kinematic accuracy of the CMM probe and a big portion of used machines.…”

Section: Trigger Probementioning

confidence: 99%

“…Software-based error compensation is a method for anticipating the effect combination of all given factors on standard ring accuracy and suitably modifying the conventionally designed probe tip scanning trajectory. A compensation model has been developed to clear the parametric study effect on the dynamic measurement errors [20], [22], [23]. Other experimental works have been performed to study the scanning measuring machine.…”

Section: Trigger Probementioning

confidence: 99%

“…Other experimental works have been performed to study the scanning measuring machine. Some of these researches analyzed the effects of scanning speed on the performance of different CMMs to evaluate the measurement performance within special conditions on CMM measurements [22]- [23]. However, most of these studies could not separate the performance of the probing system from other error sources through probe scanning.…”

Section: Trigger Probementioning

confidence: 99%

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Probing System Characteristics in Coordinate Metrology

Ali¹

2010

Measurement Science Review

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This paper aims at studying the effect of the dynamic errors on surface measurements using three different types of touch trigger probes attached to a bridge-type-CMM. Unforeseeable dynamic root errors of a ductile touch trigger probing system have been characterized theoretically and experimentally as well. The results were employed in validating a developed analytical twodimensional-model (2DM) of stylus tip to be developed to demonstrate the capability of such approaches of emphasizing the root error concept, and to evaluate the accuracy of the CMM measurements. A set of experiments was conducted; the results were analyzed in order to investigate the effect of the dynamic root errors in the light of probe scanning speed at different stylus tip radii. Variations in the mass and geometry of the stylus have their consequent effects on its inherent intrinsic dynamic characteristics that in turn would cause relevant systematic root errors in the resulting measurements. 3D bore cylindrical surface form undulations were measured by employing a probe on the trajectory of internal surface diameter for the standard reference test gauge ring. Regression analysis was applied on the results of measurement density distribution; uncertainty of measurement repeatability was then evaluated and graphically presented. The results were investigated and optimum strategic measurement parameters could thus have been derived to ensure foreseeable accurate and precise results.

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“…At the moment, the most common thread inspection methods are probe coordinate inspection, 9 thread measuring machine, 10 thread micrometer method, and so on 11 , 12 . Although these methods have been used in workshops on a large scale, there are still certain drawbacks.…”

Section: Introductionmentioning

confidence: 99%

Compensation algorithm for taper thread distortion with large pitch and biased trapezoid

Qianhai,

Lingfei,

Longlong

et al. 2023

Opt. Eng.

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We propose a taper thread compensation algorithm that considers the taper thread tilt state and tooth distortion to address the problem of low accuracy of taper thread inspection by machine vision. The analysis of the taper thread inspection process reveals the reason for the low accuracy of taper thread inspection, and the mathematical modeling of the taper thread is established according to the spatial geometric relationship. The experiment shows that the compensation rate of the algorithm is 80% of the base median, 70% of the thread half-angle, and 85% of the bottom width of the thread compared with that before the compensation, and it has less influence on the large diameter and pitch.

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Inertia Compensation While Scanning Screw Threads on Coordinate Measuring Machines

Cited by 3 publications

References 7 publications

Setup for Triggering Force Testing of Touch Probes for CNC Machine Tools and CMMs

Setup for Triggering Force Testing of Touch Probes for CNC Machine Tools and CMMs

Probing System Characteristics in Coordinate Metrology

Compensation algorithm for taper thread distortion with large pitch and biased trapezoid

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