System and method for selectively filtering abrasive particles for a waterjet cutter
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United States of America Patent
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Sep 20, 2022
Grant Date -
May 13, 2021
app pub date -
Nov 9, 2020
filing date -
Nov 7, 2019
priority date (Note) -
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Abstract
A system and method for selectively filtering abrasive particles for a cutting machine serves to filter variously shaped and dimensioned abrasive particles into a hopper through use of multiple, interchangeable screens. Each screen forms multiple openings defined by a shape and dimension, and each screen has a unique shape and dimension. A pneumatic variable speed motor vibrates the screens at variable speeds, depending on intensity of air flow through an air inlet. The sieve subassembly has a main base and containment ring. A two-piece split clamp ring sandwich the perimeter region of screens. From the hopper, a flow of high-pressure air carries the filtered abrasive particles to a waterjet cutting machine. The filtered abrasive particles are mixed with high pressure water to cut a workpiece. The shape and dimension of the abrasive particle is determinative of the type of workpiece to be cut.
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