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- Title
Design of Optical Free-Form Surface Milling Machine Based on Mechanical Shunt and Dynamic Analysis.
- Authors
Li, Qi; Yu, Tianbiao; Wang, Zixuan; Wang, Wanshan
- Abstract
An optical free-form surface milling machine is designed according to the process characteristics and cutting force of optical components manufacturing. The Z-axis column of the milling machine is designed by a mechanical shunt. In this paper, based on the principle of multibody dynamics (MBD), a virtual prototype (VP) of the optical free-form surface milling machine was established by the ADAMS software. The Z-axis characteristics of the milling machine were simulated and studied, and a modal analysis was carried out to obtain the natural frequencies and vibration modes of the milling machine. The simulation results show that the Z-axis of the milling machine has excellent dynamic characteristics when the gravity balance device is not working. The average torque of the Z-axis motor is 0.5 N·m when the gravity balance device is working, the average torque of the Z-axis motor is 0.1 N·m, and the average torque is reduced by 80%; therefore, the gravity balance device can obviously lower the load of the Z-axis motor, and improve the efficiency of the milling machine.
- Subjects
MILLING-machines; DYNAMIC mechanical analysis; GRAVIMETERS (Geophysical instruments); VIRTUAL prototypes; FREQUENCIES of oscillating systems; MODAL analysis
- Publication
Applied Sciences (2076-3417), 2021, Vol 11, Issue 24, p11764
- ISSN
2076-3417
- Publication type
Article
- DOI
10.3390/app112411764