Zhiyong YU, Zhaoyao SHI, Huiming CHENG, Bo YU, Lintao ZHANG. Accuracy characteristic of test bench of lost motion of precision reducer[J]. Optics and Precision Engineering, 2023, 31(16): 2372
- Optics and Precision Engineering
- Vol. 31, Issue 16, 2372 (2023)
Fig. 1. Structure of test bench of lost motion
Fig. 2. Hysteresis curve
Fig. 3. Function mechanism of angle error caused by torque error
Fig. 4. Local linearization of hysteresis curve
Fig. 5. Transient process under gradient loading
Fig. 6. Key data points on the hysteresis curve
Fig. 7. Schematic diagram of key data points obtained by interpolation
Fig. 8. Comprehensive performance test bench for precision reducer
Fig. 9. Test result of friction torque of torque measuring chain
Fig. 10. Finite element analysis of output shaft
Fig. 11. Key components in comparative experiment
Fig. 12. Relationship between experimental value of elastic torsion angle φ e ![]()
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Fig. 13. Hysteresis curve and key data points measured by experiment
Fig. 14. Distribution of lost motion within one revolution of output terminal of precision reducer
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Table 1. Coordinate value of key data points
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Table 2. Specification parameters of test piece
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Table 3. Clamping requirements and actual clamping accuracy of test piece
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Table 4. Sensor installation requirements and Measurement uncertainty
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Table 5. Results of 6 repeated test of friction torque
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Table 6. Data points directly used for lost motion calculation
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Table 7. Test result and test error of lost motion
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Table 8. Evaluation index of test result of lost motion
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