This particular table saw features a high-torque motor of 15-amp, which is suitable for cutting hardwoods as well as the pressure treated timber. This is also aided by a speed of 4800RPM. The tool also features a rack, as well as a pinion telescoping fence rail that creates accurate, meticulous, and smooth fence adjustments. You can flip over the fence to make small and precision rip cuts.
Smaller, portable table saw models have direct-drive motors that can operate on 120 V power to produce 2 HP. This is enough motor power to take on thinner materials. Table saws with more powerful motors are usually stationary saws that produce between 3 to 5 HP. Table saws with stronger motors rely on a belt drive to transfer the power from the motor to the blade and these operate on 240 V. 

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A table saw is only as good as its blades. There are a variety of saw blades with varying diameter, arbor size, number of teeth, kerf size, speed, application, and material. Most common table saws use 10 or 12” saw blades with an average number of teeth at24 to 80. And when it comes to the material used, carbide and carbon steel are the most common however you will also find very strong diamond blades.

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The DEWALT DWE7491RS is a very good job site table saw. I’d even go so far as to say I think it’s the best overall job site + mobile stand option out there. This is a pretty bold statement considering I’ve been a huge fan of the Bosch saws for years. My assessment is based on the combination of power, quality build, cut capacity, and an effective mobile solution.

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Chris – Great question. If you break it down a bit you can see why. The table saw uses a much smaller blade so the demand on that saw is actually quite a bit less. Also, if you make the table saw 120, you need another battery, and the conversion cable….the saw becomes VERY expensive. Just my two cents…but I’m fairly sure this is what kept it at 60v….it’s damn impressive though. 

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Further testing showed that the red “Stop” lever was the cause, not the power switch.  After turning on the saw, the red stop lever would drop too hard onto the stop button and turn the saw off.   After conferring with the product manager at Dewalt, it was determined that the red stop lever spring force was too high.  The units we tested was from a “manufacturing sample lot.”  MSL’s are the first time the plant does a big run of the product and Dewalt then has time to refine and make adjustments, before the tool goes to production.

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At the Dewalt media event I inquired whether an accessory power cord was in the making, so users could plug into a power outlet for AC current.  Having both options would be nice. The dual option would be handy on construction sites with no power.  On these sites contractors often compete with extension cords for a generator outlet.  Having a cordless option for these situations would be amazing, later on, when the house has power, you could plug in.

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There’s not doubt that many are finding issues with these saws. However, a bit of perspective is likely in order. These are not stationary saws, never will be as no one wants to move around a 500lb beast from job to job. There are thousands and thousands of these on job sites and guys are making a living with them. If we need really precise cuts in the field we either use a track saw or we bring the piece back to the shop. I’m with you…it would be great to have precision in the field…but it’s all a trade off…money and weight. We’ve had great luck from these saws and we use them daily.
Prior to deploying the power loss reset feature there had been many job site horror stories of unattended table saws starting up upon power restoration.  Sometimes this restart caused material damage or personal injury.   This usually happened when the saw operator did not think to turn off the tool before walking away to go restore power. In the meantime, other people have leaned on, temporarily placed tools or even building materials on the saw, a blade spinning disaster waiting to happen.

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Smaller, portable table saw models have direct-drive motors that can operate on 120 V power to produce 2 HP. This is enough motor power to take on thinner materials. Table saws with more powerful motors are usually stationary saws that produce between 3 to 5 HP. Table saws with stronger motors rely on a belt drive to transfer the power from the motor to the blade and these operate on 240 V.

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