Mathematic Model for Percussive Rock Drilling and Its Application to the Piston Failure Analysis

Liu Yongcai; Cheng Huojin; Song Liantian; Shi Zhiru

doi:10.13374/j.issn1001-053x.1995.04.003

Volume 17 Issue 4

Sep. 2021

Turn off MathJax

Article Contents

Article Navigation > Chinese Journal of Engineering > 1995 > 17(4): 320-324

Liu Yongcai, Cheng Huojin, Song Liantian, Shi Zhiru. Mathematic Model for Percussive Rock Drilling and Its Application to the Piston Failure Analysis[J]. Chinese Journal of Engineering, 1995, 17(4): 320-324. doi: 10.13374/j.issn1001-053x.1995.04.003

Citation:

Liu Yongcai, Cheng Huojin, Song Liantian, Shi Zhiru. Mathematic Model for Percussive Rock Drilling and Its Application to the Piston Failure Analysis[J]. Chinese Journal of Engineering, 1995, 17(4): 320-324. doi: 10.13374/j.issn1001-053x.1995.04.003

Citation:

PDF( 421 KB)

Mathematic Model for Percussive Rock Drilling and Its Application to the Piston Failure Analysis

doi: 10.13374/j.issn1001-053x.1995.04.003

Iwstitute of Ewgiweeriwg Rsearch, USTB, Beijing 100083, PRC

Received Date: 1994-08-10
Available Online: 2021-09-06

Abstract

Abstract

A mathematic model for percussive rock drilling is established by using the theory of stress waves. The model is verified by experiments and used to analyse the stress on the piston and the causes of the piston failure. A criterion of piston material selecting is put forward.
- percussive drilling,
- stress waves,
- mathematical model,
- failure analysis,
- material selection