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. 

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If the piece of wood that you’re cutting does not have a straight edge to run along the fence guide, you won’t get an accurate cut. An uneven edge will move back and forth against the fence guide. A good way to create a straight edge to work with is to fasten the piece that you’re cutting to a piece of plywood that has a straight edge. Using screws or nails, you can attach the uneven wood to the straight piece, so that the straight edge runs along the guide rail. Make sure that the straight-edged wood is narrower than the width of your intended cut so that you only cut the piece that is intended to be cut.
One thing you must be aware of with a contractor saw is the fact that they can be a lot more difficult to move from job to job, this is something that must be considered before purchasing. For thicker and harder type woods a cabinet table saw maybe the best way to go, especially for the long-term benefits, but for the average mid-sized contractor it’s still a great option. Read More 

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