MACHINING OF REFRACTORY MATERIALS. Phase II Technical Engineering Report, August 1, 1962-October 31, 1962
Technical Report
·
OSTI ID:4760343
An evaluation of a Tornetic drilling unit and tapping unit is in progress. The torque and speed characteristics of these units have been determined. Comparative drilling tests using the Tornetic drilling unit and a constant feed and speed drill press have been made on 4340 steel quenched and tempered to 52 R/sub c/, B--120VCA titanium solution treated and aged to 400 BHN and Rene 41 solution treated and aged to 370 BRN. Conventional machining studies were performed on B--120VCA titanium in the solution-treated condition (285 BHN), and the aged condition (400 BHN). The investigation consisted of turning, face milling, end railling, drilling, reaming, tapping, and grinding tests. (auth)
- Research Organization:
- Metcut Research Associates Inc., Cincinnati
- NSA Number:
- NSA-17-003439
- OSTI ID:
- 4760343
- Report Number(s):
- ASD-TR-7-532a(VIII)
- Country of Publication:
- United States
- Language:
- English
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