Design of DA110 Type DTH and the Performance Parameter Test

Home > Archive>Volume 35, Issue 7, 2008 >60-63

Design of DA110 Type DTH and the Performance Parameter Test
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                        LI Chang-chunLI Chang-chun
The Institute of Exploration Technology, CAGS
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Abstract:

Drilling with DTH can achieve high efficiency in rock and soil drilling engineering. According to the drilling characteristics of DTH, the geometry structural design, manufacture technology and performance parameters were introduced in this paper.

Key words:DTH; geometry structure; manufacture technology; performance parameters; testing method

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Received:May 31,2008
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