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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2020
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Article
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Tab 1
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Research Article
Wear Identification of Vibration Drilling Bit Based on Improved LMD and BP Neural Network
Table 1
Main parameters in drilling.
Spindle speed
3000 r/min
Feed rate
2
μ
m/r
Vibration frequency
40 kHz
Amplitude
13
μ
m