Shock and Vibration / 2019 / Article / Tab 3

Research Article

Analysis of the Vibration Characteristics of a Boring Bar with a Variable Stiffness Dynamic Vibration Absorber

Table 3

Statistical results of the cutting force and moment of the stable and unstable states.

States (N) (N) (N) (Nm) (Nm) (Nm)

StableMin.8.270−163.20−82.96−4.738−17.5139.51
Max.110.0−75.12−10.99−0.430−12.0148.75
Amplitude50.944.0435.992.1542.754.62

UnstableMin.−153.0−398.8−238.6−14.09−37.6014.37
Max.261.3129.4174.77.4619.25696.8
Amplitude207.2264.1206.710.7823.4341.22

Amplitude increase radio307%500%474%400%752%792%

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