Home / Table Saw / Craftsman 137 Table Saw / Craftsman 137 Table Saw Or Craftsman Table Saw Model 137 Manual With Craftsman 137 Table Saw Motor Plus Sears Table Saw Model 137 Together With Craftsman 137
Jessie Hughes Table Saw August 28th, 2018 - 11:32:09
The saw blade is mounted on an arbor with an arbor nut and the arbor is turned by the motor usually via pulleys and 1 to 3 V-belts. The arbor is mounted into the trunnion inside two or more arbor bearings. These should be sealed from dust for obvious reasons. The size of the arbor determines the size of the hole in the middle of the saw blade. This is usually 5/8" for a 10" blade and 1" or larger for blades larger than that. The strength and alignment of the arbor and the bearings which support it determine the accuracy and smoothness of the table saw. Vibration and noise should be kept to a minimum and the saw blade should be straight in the table from front to back at all elevations and bevel angles.
In older table saw, altering the angle of the blade was used to increase or decrease the depth of the cut. Nowadays, there is still an adjustable angle control, but this is used merely to adjust the angle at which the material is cut, and is not used to decrease or increase the depth of cut being made.
The trunnion is the mechanism inside the cabinet which is responsible for both raising and lowering the blade and tilting the blade for bevel cuts. It is controlled from the outside of the saw by two separate wheels or cranks: one for raising and lowering the blade (usually found on the front of the cabinet) and the other for tilting the blade (either left or right, depending on the saw) which is usually, but not always, located on the side of the cabinet.
Your new saw must have a rip capacity equal or wider than the widest thing you will ever want to rip. Usually, a cabinet saw will have a rip capacity of around 30 inches or 50 inches. A large rip capacity to the right of the blade will require an extension table to support work wider than the cast iron table. Many times, this extension table is included with the saw or, alternatively, you can easily build you own. The fence must have a tube or rail long enough to achieve the maximum with you want to rip.
Woodworking can be a dangerous business. Always use a push stick or similar device. Fingers are not replaceable. Never try to rip narrow strips next to the fence. Instead, cut them off of the left side of the work piece. In this case, you would stand to the right of the blade. In short, think ahead about the possible complications of what you are about to do, keep your eyes wide open (wearing goggles, of course) and keep your wits about you at all times.
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