Development/drilling test of auger boring machine on board Mars rover for Mars exploration

Details Development/drilling test of auger boring machine on board Mars rover for Mars exploration Development/drilling test of auger boring machine on board Mars rover for Mars exploration

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993dpmv.book..337k&link_type=abstract

In CNES, Missions, Technologies, and Design of Planetary Mobile Vehicles p 337-343 (SEE N94-23373 06-91)

Computer Science

Performance

Boring Machines, Drilling, Mars Surface, Roving Vehicles, Environment Simulation, Mars (Planet), Performance Tests, Space Exploration

Scientific paper

A study was made on Mars exploration using a powerful Mars rover with a special emphasis on fabricating and testing of some model and of its subsystem. The major objective is set to search for water and organic material in the underground of Mars. An engineering model of a drilling machine to be on board and used for the sample collection in an extensive scientific exploration of Mars surface and underground was fabricated. As a drilling machine, auger boring was adopted. Though it cannot drill hard rocks, it is simple and easy to operate, because it does not require any liquid for lubrication and cooling. It has a capability of 1.5 m boring, requiring 1.15 kW electric power. The auger bit is surrounded with a metal cylindrical casing and the collected soil is stored in the space between the auger bit and the casing. A drilling test was performed using a simulated Mars soil. It has a layered structure, and between each layer, a thin sheet having a different color is inserted. The simulated soil was drilled and collected preserving the layer structure. It was verified that the sample can be collected with a vertical resolution of about 20 cm. The final goal of the drilling capability is set to 10 m drilling.

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