Affiliation:
1. Shenyang Jianzhu University
Abstract
For a new type of saw-milling composite work-head, using the finite element method and modal analysis tests to get the dynamic characteristics analysis of the system. We have made dynamic parameters analyses which are mode shape, natural frequency and damping ratio of the whole machine and the piece structure of work-head, and identified the weak links of the machine. The research shows that: the composite work-head’ weaknesses are in the sliding saddle joint, and the vibration instability trend would drive the whole machine; the dynamic stiffness of spindle is lower in the low frequency band, and it causes a certain influence on the machining accuracy.
Publisher
Trans Tech Publications, Ltd.
Reference4 articles.
1. Wu, Yuhou; Zhao, Dehong; Mu, Xuan The modular design of turn-milling CNC for special stones Telkomnika, v 11, n 5, pp.2845-2852, May (2013).
2. Ke Zhang, Dehong Zhao, Yuhou Wu. The Detection and Analysis of Straightness Errors on Pillar and Guide Rail of Alien Stone Turning-milling Compound Machining Center [J]. Applied Mechanics and Materials, 2011, 9(8): 80-81.
3. Lu Feng, Dehong Zhao, Yuhou Wu. Modal Analysis of Special-shaped Stone Multi-function NC Machining Menter[J]. International Journal of Digital Content Technology and its Applications, 2011, 5(8): 168-174.
4. A H Chen, J Zhong. Description and Prediction of Catastrophe of Vibration State for Faulty Rotors[J]. Trans, NFSOC, 2006, 6(1): 130-134.