Jessie Hughes Table Saw August 28th, 2018 - 11:17:43
The quality and accuracy of fence systems, however, varies greatly across the spectrum. The quality of a table saw's fence system is an extremely important consideration: A poorly designed or inaccurate fence greatly diminishes the quality and accuracy of the cut, and can be a source of significant frustration. For saws in the price range of most hobbyists, the famous Biesemeyer T-square fence design sets the standard. Fortunately, many smaller, more affordable saws come standard with a reasonably accurate system patterned after the tried and true Biesemeyer design.
I'd like to take a minute to talk about the features that you should be looking for and what these features will mean to you after you unpack and set up your new table saw. These features include: motor horsepower, blade size, trunnion construction, tabletop flatness, tabletop size, arbor size and arbor bearings, sawdust extraction, ease of operation including raising, lowering and tilting the blade, tilt of the blade (left or right), the necessity of a magnetic switch and the importance of its location, ease of access to the interior of the cabinet, accuracy and ease of operation of the fence, the amount of rip space to the right and the left of the blade, safety features and table saw mobility around the shop. In addition to the table saw itself, you may want to construct an outfeed table around the back of the saw, if space permits. We'll talk about that, as well.
My ideal would be to never have a speck of dust reach the gears of my table saw trunnion and that all sawdust would be sucked away from the saw blade and out of the machine as soon as it was made. I would never need to clean out sawdust from inside the saw cabinet and the trunnion would always operate smoothly and easily. While I don't expect to ever see my dream fully realized, there are saws on the market today that closely approach this level of efficiency in sawdust extraction.
Another important safety device is the magnetic switch. This device protects you after an electrical power failure. If the power fails and you have a regular switch, the saw will come back on when the power comes back on. If you were to be near the blade at the time, this could be disastrous. A magnetic switch will not allow the saw to start again until you press the button. The location of the switch is also important. It should be right out front where it can be quickly accessed by a hand, foot or knee in the event of an emergency. The off button should be wide, red in color and should extend outside of the switch box like a mushroom for fast access.
Beginning at the bottom, the table saw base houses the working parts of the saw, including the trunnions, the arbor assembly, the sector gears, and sometimes the motor. On some saws, the base is a "cabinet" type, meaning that a fully enclosed base extends all the way to the floor. Other saws have an open base, meaning that the base consists of a metal box that surrounds the internal working parts of the saw on four sides, but not the bottom. Open base saws have legs that extend downward from the bottom of the base to the floor.
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