Abstract: The invention relates to a machine for cutting a radial slice or segment of a metal casing-covered cylinder of rocket motor propellant. The machine includes: a channel cutter including a channel cutting tool in combination with a radial lathe; a kerf cutter including a kerf cutting tool in combination with the second radial lathe; a third radial lathe for positioning, tensioning and rotating an upper strand and a lower strand of diamond wire in relation to the cylinder of rocket motor propellant, the third radial lathe acting in combination with pneumatic cylinders, a pressurized air reservoir, at least two support brackets, and the upper strand and the lower strand of diamond wire; and a system support fixture for supporting and positioning the cylinder of rocket motor propellant and the first, second and third radial lathes during cutting of the circumferential channel, the kerf and the radial slice or segment.
Type:
Grant
Filed:
August 17, 2011
Date of Patent:
December 3, 2013
Assignee:
The United States of America as represented by the Secretary of the Army