Micro-Grooving and Micro-Threading Tools for Fabricating Curvilinear Features [electronic resource]
Microtools; Micromachining; Ultraprecision.
Saved in:
| Online Access: |
Online Access |
|---|---|
| Corporate Author: | |
| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C. : Oak Ridge, Tenn. :
United States. Department of Energy ; distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
2000.
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| Subjects: |
MARC
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| 245 | 0 | 0 | |a Micro-Grooving and Micro-Threading Tools for Fabricating Curvilinear Features |h [electronic resource] |
| 260 | |a Washington, D.C. : |b United States. Department of Energy ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, |c 2000. | ||
| 300 | |a 22 pages : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through SciTech Connect. | ||
| 500 | |a 07/24/2000. | ||
| 500 | |a "sand2000-1791j" | ||
| 500 | |a Journal of Precision Engineering FT. | ||
| 500 | |a VASILE,MICHAEL J.; ADAMS,DAVID P.; KRISHN,A.S.M. | ||
| 520 | 3 | |a This paper presents techniques for fabricating microscopic, curvilinear features in a variety of workpiece materials. Micro-grooving and micro-threading tools having cutting widths as small as 13 {micro}m are made by focused ion beam sputtering and used for ultra-precision machining. Tool fabrication involves directing a 20 keV gallium beam at polished cylindrical punches made of cobalt M42 high-speed steel or C2 tungsten carbide to create a number of critically aligned facets. Sputtering produces rake facets of desired angle and cutting edges having radii of curvature equal to 0.4 {micro}m. Clearance for minimizing frictional drag of a tool results from a particular ion beam/target geometry that accounts for the sputter yield dependence on incidence angle. It is believed that geometrically specific cutting tools of this dimension have not been made previously. Numerically controlled, ultra-precision machining with micro-grooving tools results in a close match between tool width and feature size. Microtools are used to machine 13 {micro}m wide, 4 {micro}m deep, helical grooves in polymethyl methacrylate and 6061 Al cylindrical workplaces. Micro-grooving tools are also used to fabricate sinusoidal cross-section features in planar metal samples. | |
| 520 | 0 | |a Microtools; Micromachining; Ultraprecision. | |
| 536 | |b AC04-94AL85000. | ||
| 650 | 7 | |a Cutting Tools. |2 local. | |
| 650 | 7 | |a Design. |2 local. | |
| 650 | 7 | |a Fabrication. |2 local. | |
| 650 | 7 | |a Steels. |2 local. | |
| 650 | 7 | |a Tungsten Carbides. |2 local. | |
| 650 | 7 | |a Gallium. |2 local. | |
| 650 | 7 | |a Ion Beams. |2 local. | |
| 650 | 7 | |a Aluminium Base Alloys. |2 local. | |
| 650 | 7 | |a Machining. |2 local. | |
| 650 | 7 | |a Cylindrical Configuration. |2 local. | |
| 650 | 7 | |a Machine Parts. |2 local. | |
| 650 | 7 | |a Materials Science. |2 edbsc. | |
| 710 | 2 | |a Sandia National Laboratories. |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
| 856 | 4 | 0 | |u http://www.osti.gov/scitech/biblio/759974 |z Online Access |
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| 952 | f | f | |p Can circulate |a University of Colorado Boulder |b Online |c Online |d Online |e E 1.99:sand2000-1791j |h Superintendent of Documents classification |i web |n 1 |