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link 30.08.2007 11:35 |
Subject: single tooth cutting mechanics 1. single tooth cutting mechanics механических свойств одиночного зубонарезания - ?2. crater mechanism - ? A good example of single tooth cutting mechanics was done by Maurer as he studied tooth penetration under simulated borehole conditions. Maurer found that the crater mechanism depended to some extent on the pressure differential between the borehole and the pore pressure in the rock. When the in situ conditions had low differential pressure, the crushed rock formed beneath the bit tooth was ejected from the crater |
свойств бурения однозубым буром, имхо |
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