Impact System Dynamic Characteristics of Hydraulic Rock Drill Based on an Overlapped Reversing Valve

<div>Comparison of front chamber (FC) and rear chamber (RC) pressures among underlapped, zero, and overlapped reversing valves. <i>Note</i>. a: the amplification of negative pressure; b: the amplification of the peak; c: the amplification of the impact point.</div>

Shock and Vibration

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Figure 6

Figure 6: Impact System Dynamic Characteristics of Hydraulic Rock Drill Based on an Overlapped Reversing Valve 