Measurement of multi-degree-of-freedom error motions of a precision linear air-bearing stage

Gao, Wei; Arai, Yoshikazu; Shibuya, Atsushi; Kiyono, Satoshi; Park, Chun Hong

doi:10.1016/j.precisioneng.2005.06.003

Cited by 111 publications

(56 citation statements)

References 26 publications

(25 reference statements)

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“…Measurement scroll radius can be obtained by outputs of probe encoder and X axis encoder. Profile error can be described by the following equation (4). mea th error r r r − = (4) Where, r error is involute profile error, r th is theoretical scroll polar radius; r mea is measurement scroll polar radius.…”

Section: Measurement System and Measurement Methodsmentioning

confidence: 99%

“…Profile error can be described by the following equation (4). mea th error r r r − = (4) Where, r error is involute profile error, r th is theoretical scroll polar radius; r mea is measurement scroll polar radius. The same scroll sample was also measured for comparison by a commercial CMM, which was installed in a temperature controlled metrology room.…”

Section: Measurement System and Measurement Methodsmentioning

confidence: 99%

“…The S 10.2478/v10048-009-0009-3 Unauthenticated Download Date | 5/12/18 9:42 PM X axis could be moved by a precision control board. When involute profiles for scroll were measured, the moving speed of X axis and rotational speed of the rotary stage were controlled by a PID controller [4]. So the measurement system can realize precision positioning.…”

Section: Introductionmentioning

confidence: 99%

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Rapid Measurement of Involute Profiles for Scroll Compressors

Yang

Arai²,

Gao³

2009

Measurement Science Review

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Scroll compressors are widely used in air conditioners, vacuum pumps and so on. Rapid measurement of flank profile of a scroll compressor is important to improve the compression efficiency and decrease noises. A contact probe made of ruby was used for measurement of flank profile. The probe was moved by a linear slide along the X axis at a constant speed. The scroll workpiece was fixed on a precision rotary stage. The relationship between the stage rotational speed and the X axis moving speed complies with the Archimedean curve. The measurement data of the rapid measurement system were analyzed and measurement errors were removed by compensation of the offset between the coordinates of the rotary stage center and those of workpiece center. The measurement results were compared with those measured by a commercial coordinate measuring machine (CMM). The measurement time for the involute profile of the scroll is shortened to 153 seconds by the developed rapid measurement system from the 10 minutes measurement time by the CMM while the measurement accuracy is kept the same.

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Section: Measurement System and Measurement Methodsmentioning

confidence: 99%

Section: Measurement System and Measurement Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Rapid Measurement of Involute Profiles for Scroll Compressors

Yang

Arai²,

Gao³

2009

Measurement Science Review

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“…3-PPU (three pairs of prismatic-universal-universal joints) PCMM (parallel coordinate measuring machine). (1) Base, (2) table, (3) steel belt, (4) reducer, (5) motor, (6) linear grating, (7) reading head, (8) beam, (9) linear guider, (10) rod, (11) universal joints, (12) slider, (13) moving platform, (14) measuring head, and (15) limit switch. (a) front view; (b) upward view.…”

Section: Measuring Principle Of 3-puu Pcmmmentioning

confidence: 99%

“…Figure 4 illustrates one slider working on the guide Over the years, numerous scholars have intensively studied the characteristics of the aforementioned geometric errors on precision machines and made many valuable contributions, especially in analysis and discussion of the relationship between the motion straightness errors and angular motion errors. Their conclusion can be summarized as follows [12][13][14][15][16][17]:…”

Section: Property Of Slider Motion Errors In Pcmmmentioning

confidence: 99%

Error Averaging Effect in Parallel Mechanism Coordinate Measuring Machine

Fan

et al. 2016

Applied Sciences

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Abstract:Error averaging effect is one of the advantages of a parallel mechanism when individual errors are relatively large. However, further investigation is necessary to clarify the evidence with mathematical analysis and experiment. In the developed parallel coordinate measuring machine (PCMM), which is based on three pairs of prismatic-universal-universal joints (3-PUU), error averaging mechanism was investigated and is analyzed in this report. Firstly, the error transfer coefficients of various errors in the PCMM were studied based on the established error transfer model. It can be shown how the various original errors in the parallel mechanism are averaged and reduced. Secondly, experimental measurements were carried out, including angular errors and straightness errors of three moving sliders. Lastly, solving the inverse kinematics by numerical method of iteration, it can be seen that the final measuring errors of the moving platform of PCMM can be reduced by the error averaging effect in comparison with the attributed geometric errors of three moving slides. This study reveals the significance of the error averaging effect for a PCMM.

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Generalized Geometric Error Correction in Coordinate Measurement

Hermann

Intelligent Engineering Systems and Computational Cybernetics

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Measurement of multi-degree-of-freedom error motions of a precision linear air-bearing stage

Cited by 111 publications

References 26 publications

Rapid Measurement of Involute Profiles for Scroll Compressors

Rapid Measurement of Involute Profiles for Scroll Compressors

Error Averaging Effect in Parallel Mechanism Coordinate Measuring Machine

Generalized Geometric Error Correction in Coordinate Measurement

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