Cyclone Dust-Collector
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Wood Magazine

Cyclone Dust-Collector

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Cyclone Dust-Collector
 
We tested eight cyclone dust-collectors to separate hype from reality.
 
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    • Cyclone Dust-Collector      Cyclone Dust-Collector Chart
     Tool and Tool Buying Forum

 
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In the beginning, the woodworking world was covered in sawdust. Slowly we evolved from broom-and-dustpan to shop vacuum, and eventually to bigger, more capable dust collectors with the suction to carry away wood chips as well as fine sawdust. These days, with the health hazards of wood dust making front-page news, you're about as likely to see a dust collector in a woodworking shop as a tablesaw. In WOOD ® magazine issue #140, we tested single-stage collectors best suited to gathering dust from one tool at a time. This time, we focus on cyclone systems capable of pulling dust through a whole-shop duct system.

How cyclones differ from single-stage dust collectors
The bag-type dust collectors most of us know and use today are basic, single-stage units. They suck wood dust and chips through an impeller that deposits the entire mess in a lower container bag, while the air--and some dust--exhausts back into the shop through an upper filter bag. Most units can be wheeled from tool to tool and then connected directly to whatever power equipment you?re using. Cyclonic-type collectors are larger, fixed units, generally more powerful, with most requiring 220-volt service. They suck wood chips and dust into a funnel-shaped chamber where heavier particles--the chips and the more substantial grains of sawdust--fall into a separate drum for disposal.

Because cyclones separate out virtually all the debris before it passes through the impeller, engineers can design the impeller for maximum airflow, not for its ability to withstand the impact of a stray chunk of wood. Cyclones also can be built with bigger impellers and motors, which create greater airflow volume (rated in standard cubic feet per minute, or SCFM), and with larger inlet ports to allow large-diameter, multi-duct runs. With the proper setup, a cyclone may be able to serve several woodworking machines operating at the same time without sacrificing performance.

Learn the results of our testing of the Bridgewood BW-CDC3, Grizzly G0525, Oneida Comp-Sys 1.5EXT35, Oneida Comp-Sys 2EXT35, Onieda 2 Commercial, Penn State Tempest, Penn State Tempest 142CX, and Woodsucker II, when you pick up the December 2003 issue of WOOD magazine and turn to page 94. Or, you can download the complete review, including charts and photos, for only $4.95.

 

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