Effect of geometry parameters of saw‐tooth surface on the feeding velocity of microparts

Effect of geometry parameters of saw‐tooth surface on the feeding velocity of microparts
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锯齿面几何参数对微型零件进给速度的影响

DOI:
10.1002/tee.21925
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发表时间:
2013
影响因子:
1
通讯作者:
S. Hirai
S. Hirai
中科院分区:
工程技术4区
文献类型:
--
作者:
P. Le;T. X. Dinh;A. Mitani;S. Hirai

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在本文中,我们实验研究了锯齿表面和微部件的几何参数对微部件运动的影响。实验在不同的锯齿间距p、微部件长度l和表面激励频率f范围内进行。利用粒子跟踪测速方法,我们得到了随时间变化的速度,进而得到了微部件的系综平均速度。结果表明,在相对尺度l/p相同的情况下,微零件的速度在一定的pf值内增大,然后随着pf的增大而减小。在相对尺度l/p相同的情况下,轮廓的宽度相似,但轮廓的峰值略大,当锯齿表面的间距较大时,轮廓会向左偏移。这意味着微部件的运动更多地取决于特征表面速度pf而不是相对尺度l/p,并且较大的锯齿间距会在微部件上产生较大的不对称力。©2013日本电气工程师学会。约翰·威利父子出版公司。
In this paper, we study experimentally the effect of the geometry parameters of a saw‐tooth surface and a micropart on the motion of the micropart. The experiments are performed for a range of the saw‐tooth pitch p, micropart length l, and exciting frequency f applied to the surface. By the use of particle tracking velocimetry method, we obtain the time‐dependent velocity and then the ensemble‐averaged velocity of the microparts. The results show that the velocity of the micropart increases up to a certain value of pf and then decreases with increasing pf. The widths of the profiles are similar for the same value of the relative scale l/p but the peaks of the profiles are slightly larger and the profiles are shifted leftward for larger pitches of the saw‐tooth surface. It implies that the motion of the micropart depends more on the characteristic surface velocity pf than on the relative scale l/p and that a larger pitch of the sawtooth creates a larger asymmetric force on the micropart. © 2013 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.
使用具有对称振动的非对称加工表面评估微型零件进给的进给表面材料
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