NASA NTRS · 19870000428
Portable Chamfering Tool
Abstract
Portable machine tool precisely cuts chamfer on valve seat. With tool, delicate machining operation done without removing part to machine shop. Taken to part and used wherever pressurized air and electric power available. Plug and bushing nest in bore chamfered. They guide steady cutter rod as it cuts 15 degrees chamfer on top edge of bore.
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Berson, Leo A.. 1987-09-01. Portable Chamfering Tool. https://ntrs.nasa.gov/citations/19870000428
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