Covington Sintered Diamond Cutter Cups for Sphere Machine.
2011/03/25· Covington Sintered Diamond Cutter Cups for Sphere Machines The 4" diamond cutter cups grind faster than conventional silicon carbide cutter cups. The sintered diamond cups are aggressive without being harsh and accommodate spheres from 3-3/4" to 6-1/2". All cutter cups come with 3/4" National Pipe Thread.
lapidary supplies sphere making cups - Rijles Groningen
2001/10/10· Sanding and Polishing Cones page 4 - Welcome to Sphere, Home of the Patented Diamond Sphere Grinding Cups Leaders In Diamond Technology for the, Lapidary Saw & Saw Blades page 18, Diamond Sphere Grinding Cups These are the new-patented diamond grinding cups They are used in the grinding phase of sphere making .
Covington Engineering Large Sphere Machine - .
2011/03/25· Covington Engineering Large Sphere Machine The Large Sphere Machine makes spheres ranging from 1-1/4" to 9" in size. The downward slant of the shafts run the sphere in a bath of grit, eliminating the need to constantly dab grit on with a brush, and causing the grit slurry to run away from the bearings. The angle of the cutting cups can be increased as the rough corners of the sphere .