Light weight abrasive tumbling media and method of making same

Details Light weight abrasive tumbling media and method of making same Light weight abrasive tumbling media and method of making same

1990-02-27

1991-09-17

Dixon, Jr., William R.

Abrasive tool making process, material, or composition

Miscellaneous

51308, 51309, B24D 300

Patent

active

050491660

ABSTRACT:
The present invention provides a method for manufacturing light weight abrasive tumbling media made up of discrete abrasive particles desirably exhibiting an essentially uniform size and shape which comprises adding at least 15%, and preferably 20% by weight of a naturally occurring or synthetically produced metal carbonate to a ceramic/clay based formable mixture prior to firing to obtain particles having a final fired bulk density below 65 lbs/ft.sup.3. Such a carbonate may desirably be selected from the group consisting of calcium carbonate, lithium carbonate, magnesium carbonate, zinc carbonate or compounds containing a predominant amount of one or more of these carbonates.

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