Meaning of tumbling barrel in English:

tumbling barrel

noun

  • A revolving device containing an abrasive substance, in which castings, gemstones, or other hard objects can be cleaned by friction.

    ‘In tumbling barrels, the friction is created by gravity as the media slides across the diameter of the barrel.’
    • ‘To tumble stones: place rough rocks or minerals in the tumbling barrel, add a rough grit, and turn on the motor.’
    • ‘These are complete Lortone tumbling barrels including the barrel, inner lid with liner, and the outer lid with knurled nut.’