Covington Machines - Small Sphere Machine 220 Volt
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Turn rough rounds into true, polished spheres with less fuss—this 220V small sphere machine keeps your grit slurry working continuously for consistent, repeatable results.
Item Name:
Covington Machines - Small Sphere Machine 220 Volt
SKU:
COV382SM
Description:
The Small Sphere Machine 220 Volt is a precision sphere-grinding unit designed to take a rough rounded workpiece and grind it into a true, polished sphere. It uses downward slanted cutter cups and shafts that keep the sphere running in a continuous bath of grit slurry, which helps maintain consistent cutting action without needing to constantly apply grit with a brush. This design also encourages slurry to run away from the bearings, helping reduce contamination and wear. The cutter cup angle can be increased as corners grind off, and a spring loaded head helps maintain contact so continuous manual adjustment is not required. The unit comes complete with one grit pan, instructions, a product guarantee, and one pair each of 1/4", 3/8", 5/8", and 7/8" cutter cups, making it a strong choice for restoring marbles to original condition.
How it is used:
- Shape your workpiece to a rough round before grinding for best results
- Run the sphere in the machine with grit slurry in the pan so the cutter cups grind the surface evenly
- Increase the cutter cup angle as the rough corners grind away to continue refining the sphere
- Progress through grit stages as needed to move from shaping to a polished finish
- Use it for marble restoration work when you need a consistent, repeatable spherical result
Dimensions:
- Makes spheres from 1/4" to 1" in size
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