Numerical Analysis of a Small Pneumatic Hammer Performance Based on Evaluation Method of Friction Force

<div>The experimental setup and its layout for the small pneumatic hammer manufactured by Kim Chaek University of Technology. 1. Motor; 2. Compressor; 3. Air tank; 4. Safety valve; 5. Filter; 6. Switching valve; 7. Control valve; 8. Impact cylinder; 9. Multichannel waveform recorder; 10. PC; P<sub>1</sub>—pressure sensor at the rear chamber; P<sub>2</sub>—pressure sensor at the front chamber; a—piston acceleration sensor. (a) Experimental test setup. (b) The experimental setup layout.</div>

Shock and Vibration

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Figure 9

Figure 9: Numerical Analysis of a Small Pneumatic Hammer Performance Based on Evaluation Method of Friction Force 