Infrared and Laser Engineering, Volume. 50, Issue 11, 20210030(2021)
Laser tracking measurement accuracy improvement method for mega gear
Figures & Tables(16)
Fig. 3. Schematic diagram of measuring the center of the target mirror
Table 1. Coordinate values of different stations of laser tracker (Unit: mm)
View tableView in ArticleTable 1. Coordinate values of different stations of laser tracker (Unit: mm)
Position Group 1 Group 2 Group 3 Group 4 P2 X Standard value 278.293 350.237 408.318 465.041 Measured value 278.294 350.237 408.319 465.040 Y Standard value 19.608 91.833 86.587 181.150 Measured value 19.609 91.832 86.587 181.149 P3 X Standard value 108.947 211.714 144.500 201.476 Measured value 108.947 211.714 144.499 201.476 Y Standard value 207.212 259.048 256.227 443.156 Measured value 207.212 259.048 256.227 443.156 P4 X Standard value 297.151 517.629 502.104 706.057 Measured value 297.151 517.629 502.103 706.056 Y Standard value 192.448 388.820 305.389 710.938 Measured value 192.448 388.820 305.390 710.939
Table 2. Average value of parameter calibration error (Unit: mm)
View tableView in ArticleTable 2. Average value of parameter calibration error (Unit: mm)
Direction Group 1 Group 2 Group 3 Group 4 X 0.001 0.005 0.005 0.012 Y 0.001 0.007 0.011 0.014
Table 3. Measurement error of block gauge length measured by combined measuring network(Unit: mm)
View tableView in ArticleTable 3. Measurement error of block gauge length measured by combined measuring network(Unit: mm)
Group Error value Group Error value Group Error value Group Error value Group Error value 1 0.012 10 −0.003 19 0.014 28 −0.004 37 0.009 2 −0.014 11 0.002 20 0.008 29 0.015 38 0.009 3 −0.005 12 −0.004 21 −0.005 30 0.005 39 0.010 4 −0.007 13 −0.003 22 0.007 31 0.006 40 0.004 5 0.003 14 0.008 23 0.003 32 −0.002 41 0.007 6 0.008 15 −0.002 24 −0.001 33 −0.004 42 −0.011 7 −0.013 16 0.005 25 0.004 34 −0.003 43 0.013 8 0.008 17 0.005 26 −0.007 35 0.014 44 −0.014 9 0.008 18 0.012 27 0.008 36 −0.005 45 0.013
Table 4. Measurement error of the block gauge length measured directly by laser tracker(Unit: mm)
View tableView in ArticleTable 4. Measurement error of the block gauge length measured directly by laser tracker(Unit: mm)
Group Error value Group Error value Group Error value Group Error value Group Error value 1 0.081 10 −0.058 19 0.078 28 −0.031 37 0.029 2 −0.075 11 −0.010 20 0.029 29 0.062 38 0.030 3 −0.055 12 −0.028 21 −0.047 30 0.017 39 0.042 4 −0.036 13 −0.092 22 0.047 31 0.017 40 −0.011 5 −0.056 14 0.021 23 0.043 32 −0.015 41 −0.008 6 0.025 15 0.003 24 −0.039 33 −0.025 42 −0.094 7 −0.069 16 0.049 25 −0.060 34 −0.031 43 −0102 8 −0.006 17 −0.067 26 0.007 35 0.053 44 −0.144 9 0.022 18 0.041 27 0.022 36 −0.040 45 −0.091
Table 5. Analysis table of measurement error results(Unit: mm)
View tableView in ArticleTable 5. Analysis table of measurement error results(Unit: mm)
Position Optimized Direct Avg. Std. Avg. Std. P1 0.007 0.004 0.044 0.028 P2 0.005 0.003 0.027 0.020 P3 0.007 0.004 0.036 0.023 P4 0.007 0.004 0.044 0.031 P5 0.007 0.005 0.049 0.037
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Zichen Wang, Aimei Zhang. Laser tracking measurement accuracy improvement method for mega gear[J]. Infrared and Laser Engineering, 2021, 50(11): 20210030
Paper Information
Category: Lasers & Laser optics
Received: Jan. 18, 2021
Accepted: --
Published Online: Dec. 7, 2021
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