PDF(315 KB)
AN UNIFIED DYNAMIC EOUATION FOR THE PERCUSSIVE AND ROTATIONAL MECHANISMS OF INTERNAL ROTATION PNEUMATIC ROCK DRILLS
Cheng Zhiqiang, Zhao Tongwu
Mining and Metallurgical Engineering ›› 1994, Vol. 14 ›› Issue (4) : 3-7.
PDF(315 KB)
PDF(315 KB)
AN UNIFIED DYNAMIC EOUATION FOR THE PERCUSSIVE AND ROTATIONAL MECHANISMS OF INTERNAL ROTATION PNEUMATIC ROCK DRILLS
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