Rotary & Vibratory Rock Tumblers Explained
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Let's explore the features and benefits of rotary and vibratory rock tumblers. Rotary rock tumblers produce nicely-rounded polished stones while vibratory rock tumblers do not significantly change the shape of the stones. Many people use a rotary tumbler for the coarse grind step and then finish the stones rapidly and economically with a vibratory tumbler.
You can see the Vibratory tumbler in action in a video that accompanies our article about the Lot-O-Tumbler at...
http://rocktumbler.com/tips/how-we-us...
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