Research Article

Effect of Axial Vibration on Sliding Frictional Force between Shale and 45 Steel

Table 2

Main technical parameters of test rig.

ParametersValueUnit

Vibration frequency5~3000Hz
Vibration amplitude1~50mm
Vibration acceleration<100m/s2
Sliding velocity<5mm/s
Effective sliding distance<200mm
Normal force<200N