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Measurement and estimation of the mean impact energy of a pneumatic drill

✍ Scribed by V. Z. Kleimenov

Publisher
Springer US
Year
1982
Tongue
English
Weight
202 KB
Volume
25
Category
Article
ISSN
0543-1972

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The pneumatic turbine-powered drilling engine (PTDE) is a unique tool for directional drilling when using air or gas as the drilling fluid. The engine consists of a pneumatic turbine motor coupled to the bit by a four-stage planetary gear transmission and a thrust-bearing assembly, and is supported