一种高精度台式旋转超声岩石取心装置

韩光超; 余雍; 潘高峰; 李艳云; 刘初见; 章军锋

doi:10.3799/dqkx.2018.391

Volume 45 Issue 2

Feb. 2020

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Han Guangchao, Yu Yong, Pan Gaofeng, Li Yanyun, Liu Chujian, Zhang Junfeng, 2020. A High-Precision Bench-Toprotary Ultrasonic Rock Coring Device. Earth Science, 45(2): 367-373. doi: 10.3799/dqkx.2018.391

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Han Guangchao, Yu Yong, Pan Gaofeng, Li Yanyun, Liu Chujian, Zhang Junfeng, 2020. A High-Precision Bench-Toprotary Ultrasonic Rock Coring Device. Earth Science, 45(2): 367-373. doi: 10.3799/dqkx.2018.391

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A High-Precision Bench-Toprotary Ultrasonic Rock Coring Device

doi: 10.3799/dqkx.2018.391

1.
Faculty of Mechanical & Electronic Information, China University of Geosciences, Wuhan 430074, China
2.
State Key Laboratory of Geological Processes and Mineral Resources, School of Earth Sciences, China University of Geosciences, Wuhan 430074, China

Received Date: 2018-12-30
Publish Date: 2020-02-15

Abstract

Abstract

The preparation of small-size cylindrical rock samples from the rock samples collected in field or synthesized in the laboratory is an important procedure for high-pressure and high-temperature rock physics experiments in geosciences. The brittle hardness and in homogeneity of rock samples can affect significantly the stability and coring quality of conventional rock core grinding process. To overcome this technique difficulty, we combined the techniques of rotary ultrasonic vibration and rock grinding and developed a flexible high-pressure air-operated sample feeding system along the vertical direction in a bench-top rotary ultrasonic rock coring device. This device can realize high-precision automatic coring and grinding of small-size cylindrical rock specimen.The coring tests on rock specimens of various hardness show that the new device can conduct high-efficiency and highquality small-diameter sample coring and satisfy the high-standard requirements of high-pressure and high-temperature geological experiments.
- rock coring,
- rotary ultrasonic vibration,
- grinding,
- flexible feeding,
- high-pressure and high-temperature geological experiments

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References

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A High-Precision Bench-Toprotary Ultrasonic Rock Coring Device

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