· Automatic Cutting machines for Castings 4 7 Cut Off machines for bar stock 8 9 Alloy Bar Grinder 10 Automatic Grinding and Fettling machines for brake discs, fly wheels, etc. 10 12 Grinding machines for motor blocks and cylinder heads 12 14 Duplex Grinder 14 Abrasive Belt Power Grinders 15 16 Robots 16 17 Belt Grinders and Polishing . Koyama .