NDLI: Lightweight low force rotary percussive coring tool for planetary applications

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Lightweight low force rotary percussive coring tool for planetary applications

Content Provider	NASA Technical Reports Server (NTRS)
Author	Hironaka Sr., Ross Stanley, Scott
Copyright Year	2010
Description	A prototype low-force rotary-percussive rock coring tool for use in acquiring samples for geological surveys in future planetary missions was developed. The coring tool could eventually enable a lightweight robotic system to operate from a relatively small (less than 200 kg) mobile or fixed platform to acquire and cache Mars or other planetary rock samples for eventual return to Earth for analysis. To gain insight needed to design an integrated coring tool, the coring ability of commercially available coring bits was evaluated for effectiveness of varying key parameters: weight-on-bit, rotation speed, percussive rate and force. Trade studies were performed for different methods of breaking a core at its base and for retaining the core in a sleeve to facilitate sample transfer. This led to a custom coring tool design which incorporated coring, core breakage, core retention, and core extraction functions. The coring tool was tested on several types of rock and demonstrated the overall feasibility of this approach for robotic rock sample acquisition.
File Size	1114218
Page Count	14
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20100021941
Archival Resource Key	ark:/13960/t0fv3jq70
Language	English
Publisher Date	2010-05-12
Access Restriction	Open
Subject Keyword	Lunar And Planetary Science And Exploration Drilling Geological Surveys Space Missions Prototypes Mars Planet Core Sampling Rocks Mars Surface Machine Tools Robotics Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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