Covington Engineering · Sphere machine
Three-Headed Sphere Machine
Production cutting and polishing of large stone spheres

Primary workProduction cutting and polishing of large stone spheres
Working size2.5- to 10-inch spheres
Speed93 rpm
Sourced specifications
What to know before choosing.
- Working size
- 2.5- to 10-inch spheres
- Power
- Three 1/6 hp gear motors; 110 V standard; 220 V 50 Hz optional
- Speed
- 93 rpm
- Water / coolant
- Automatic grit and slurry application
- Footprint
- Dimensions not stated; 255 lb shipping weight
- Included
- Grit pans and a selected set of cutter cups
- Parts & support
- Official instructions, replacement cups, parts, and factory support
Usable setup—not just machine price
Setup extras.
These are workflow categories, not an assumption that every item is missing. Compare them with the manufacturer’s current included-equipment list.
- Correct cutter-cup sizes
- Grinding grit or diamond-tool sequence
- Polishing cups, pads, and compound
- Slurry collection and preform tooling
Learn with the equipment
Find a place to learn.
Schools, studios and clubs with documented instruction and equipment access.