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- Title
81. The machining noise control of large size extruded aluminum utilized in high-speed trains.
- Authors
Yang, D. P.; Wang, Q. F.; Zhang, H. C.; Sun, H. W.; Feng, T.; Xu, H. Y.; Zhou, X. H.
- Abstract
The noise level was assessed by measuring and processing the sound pressure during the mechanical treatment of large size aluminum extrusions utilized in high-speed trains. The noise control tests were proposed by various machining technologies including the adjustments of cutter tool, machining feed rate, cutting way and sealing the openings with sound-absorbing material or not. The results indicated that obvious noise suppression can be obtained by using monolithic cutters, and sealing the openings and ports with sound-absorbing materials, which has little effect on the whole machining efficiency. It is helpful for noise reduction using the machining technologies of cutting along milling and slowing the feed rate down, which requires a balance between noise level and machining efficiency.
- Subjects
MACHINE noise; NOISE control research; MACHINING; SOUND pressure; HIGH speed trains
- Publication
Journal of Measurements in Engineering, 2016, Vol 4, Issue 1, p1
- ISSN
2335-2124
- Publication type
Article