How many teeth a saw blade has will determine how smooth the cut is. Most blades have from 24-80 teeth. The exceptions to these blades are specialty material specific blades (i.e. for masonry) In general, the more teeth a blade has the smoother the cut will be. The higher tooth count means that the cut speed will be slower as well. You cannot overcome a slower cutting speed by pushing harder on the material. This is a common mistake newbies make. All this will do is cause kickbacks when the saw blade catches and tosses the object back towards to the user at dangerously high speeds.
There are two types of motors used in table saws: universal motors and induction motors. With a universal motor, the power source is linked directly to the blade, providing a whole lot of power. The downside is that these models are generally quite loud. Induction motors, on the other hand, are connected to a belt that then transfers power to the blade. As a result, you get quieter operation and the ability to cut dense materials. The downside is that these models require more preventive maintenance, as you have to adjust the belt’s tension periodically. 
The quiet, 220-volt motors in these saws cut through the hardest stock, hour after hour, without bogging down. Cabinets are metal and extend to the floor for the best dust collection. The tops are cast iron, wide, and stable, which makes it easy to cut sheet goods. The trunnions are cabinet-mounted, so you get minimal vibration and maximum accuracy. They're also heavy; some weigh over 600 pounds. Once a cabinet saw's in place, that's where it stays.

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Bosch GTS1031 10 in. Portable Jobsite Table Saw is powered by a 15 Amp motor that allows this table saw to rip through any lumber or hardwood quickly and easily. Bosch’s Smart Guard System provides added control while cutting, SquareLock Rip fence ensure consistent and accurate cuts, and an all-steel base provides added durability. Oh yeah, and we forgot to mention the price. This is the most affordable table saw on our list!
The DEWALT DWE7490x 10 Inch Table Saw is an excellent tool for anyone, whether they need it for carpentry work or DIY projects. You’ll be able to complete your tasks with ease thanks to the superb technology and easy transportation. The device comes with powerful 15 amp motor and has impressive maximum depth capabilities. You’ll also be pleased with the 2 inch dust storage port that has a vacuum connection.

You’re going to get everything that you’ll find on the DeWalt DW745 and a whole lot more. For starters, you get much better rip capabilities – 32½” to the right of the blade and 22” to the left, thanks to the bigger table size (21⅞” X 26⅜”). It uses the same 10” 24 tooth carbide blade, but on the DeWalt DWE7491RS, the speed has been increased to an impressive 4 800rpm.
You often find that many contractors have a love hate relationship with blade guards. Many contractors and woodworkers simply find they often get in the way and can often get wood stuck in them. But many manufacturers are improving these guard’s year on year and now many of them are very advanced and will help keep your fingers from getting hurt, we always advise you to consider the table saw blade feature on any table saw in detail as it could one day help saw you.
We spent a lot of time setting up and taking down the saws to see how well the stands worked and how easy it was to install and remove the blade guard and anti-kickback pawls. Then we ran a torturous ripping test with 3-in.-thick slabs of oak to find the best table saw. And finally, we used the saws for more conventional tasks like cutting plywood and ripping framing lumber as another test to determine the best table saw.

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