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Portable Power Tools And Dust Collectors
When air is forced through a dust collector, it generates velocity pressure and static pressure. Velocity is fostered by the moving air. As you come to know the velocity pressure, speed can be calculated, in feet per minute, of moving air and its volume, in cubic feet per minute. Those are two critical determining factors as to if the dust collector will serve justice in hour shop. Static pressure is actually another term for resistance – friction in hoses and ducts, turbulence in elbows and other bends, as well as congestion in the fitter. Power tool enthusiasts normally agree that a portable dust collector should deliver approximately 3500 fpm of velocity to successfully transport the dust away from one machine.
An optimum velocity to 4000 fpm should be effective in accommodating a planer or tablesaw. For the dust collector to reach optimal performance level, compromises will have to be made in sacrificing an aspect of performance. There is more than one way to mate a dust collector. The best way to mate a dust collector without the reduced volume and increased turbulence and friction is with this approach: First, slide the dust collector as close to the machine as possible, to keep short hose lengths. Then, avoid using they-fitting.
You can use a hose that suites the dust collector’s intake. Next, fit the end of the machine with a tapered adapter as it minimizes turbulence. Finally, a short run of the larger diameter hose will keep the air volume high as it minimizes friction. As for purchasing the best in portable dust collectors, the Delta 50-760 for $830, the Grizzly G1028Z for $270 and the Jet DC-1100A for $350 all rated excellent in performance. The Delta 50-760 is actually the only dust collector that comes with a standard one-micron filter bag. The Delta 50-760 1.5 HP Dust Collector contains a support frame, of course the one-micron bag, motor and blower, two snap-in bag rings, two 6 mil. plastic chip collection bags, two 4 inch intake ports, cord and plug, four swivel caster assemblies and the instruction manual. The snap-in bag rings erase the necessity of cam-over-lock style clamps. It contains a powerful TEFC induction motor for smooth, long-enduring performance with protection from damaging diesel dust.
The durable steel base has four easy-gliding wheels for moving from one machine to the next or for out-of-the-way storage. The Internet provides more product information for online tool shopping.
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