Analytical and Finite Element Modeling of the Dynamic Characteristics of a Linear Feeding Stage with Different Arrangements of Rolling Guides

Table 2

Modal frequencies of the feeding stage predicted by finite element approach.

Stage model	Vibration mode
	Yawing mode	Pitching mode	Lower rolling mode	Vertical mode	Higher rolling mode
Guide span (200 mm)	323	459	477	604	677
Guide span (280 mm)	322	444	563	528	784
Difference (%)	0.4	3.3	18.0	12.6	11.4