Abstract
To increase the precision and the processing efficiency of large-scale marine propeller, the method of twin-tool symmetrical processing is proposed based on hybrid mechanism. With the introduction of mechanism compositions of the machine tool, the calibration method of the structural parameters is researched. The serial and parallel mechanisms of the hybrid mechanism are calibrated separately for the coupled motion. Their structural error models are established and identification methods of structural parameters are analyzed. And nonlinear equations are solved by using the Levenberg-Marquardt optimization algorithm to obtain the structural parameters. Finally, in ADAMS, hybrid machine tool model with structural parameter errors is established. And the pose errors of the tool are acquired in kinematics simulation. After that, the structural parameters errors of the machine tool are compensated by calibrating. Then, the error models and the parameter identification methods are proved to be accurate. Meanwhile, the correctness and effectiveness of the calibration method is proved.
| Original language | English |
|---|---|
| Title of host publication | Advanced Manufacturing and Information Engineering, Intelligent Instrumentation and Industry Development |
| Publisher | Trans Tech Publications Ltd |
| Pages | 653-661 |
| Number of pages | 9 |
| ISBN (Print) | 9783038351948 |
| DOIs | |
| State | Published - 2014 |
| Externally published | Yes |
| Event | 2nd International Conference on Precision Mechanical Instruments and Measurement Technology, ICPMIMT 2014 - Chongqing, China Duration: 30 May 2014 → 31 May 2014 |
Publication series
| Name | Applied Mechanics and Materials |
|---|---|
| Volume | 602-605 |
| ISSN (Print) | 1660-9336 |
| ISSN (Electronic) | 1662-7482 |
Conference
| Conference | 2nd International Conference on Precision Mechanical Instruments and Measurement Technology, ICPMIMT 2014 |
|---|---|
| Country/Territory | China |
| City | Chongqing |
| Period | 30/05/14 → 31/05/14 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 14 Life Below Water
Keywords
- Error model
- Hybrid machine tool
- Kinematic calibration
- Marine propeller processing
- Parameter identification
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