Published at Monday, January 14th 2019. by Agathe David in Industrial Machinery.
Blade Materials. Diamond tipped masonry blades that are meant to cut plywood and hardwood are usually fabricated out of metal, but those that are designed to cut through harder materials require the use of even harder materials. The harder material is applied around the edge of the blade, with the metal core remaining intact.
Table Saw Safety Features. The most noticeable and probably the most important safety feature is the blade guard, because it's very effective at keeping your fingers away from the danger zone – the saw blade. Truth is though, that many woodworkers don't like the blade guard because they can't measure and see the cuts if it's attached, especially if the guard is not made out of Plexiglas. They also complain that things like changing the blade or removing stuck wood take more time, so they often decide NOT to use the blade guard.
Blade RPM. The maximum speed of a blade is usually expressed in RPM (revolutions per minute). One thing you need to look for is the speed of the table saw, which must never exceed the speed of the blade. Blades are designed to rotate at a certain speed, and using it on a table saw which exceeds that speed will cause the blade to break apart due to centrifugal force. This is pretty much everything you need to know about blades. If you decide you want to learn even more about blades and their properties, this should serve as a good base for you to build upon.
Elevation and Tilt Wheels. Elevations and tilt hand wheel The blade elevation hand wheel is usually located on the front of the saw and allows you to control the height of the blade, which effectively controls the depth of cut. In the case of 10-inch blades, the blade should be exposed around 3-5/8 inches at its maximum height which is sufficient to cut through a 4 x 4 in a single pass.
One thing you have to keep in mind is to slide the wood a bit slower than you normally would because the movement of the gouge can move it out of place. To make sure this doesn't happen you can secure the board to the gouge using a clamp. Thanks to a miter gouge you can also make compound cuts. Compounds cuts are made by setting the miter gouge at a desired angle and bevel of the saw blade at the same time.
Another option to think about is the magnetic switch. You can read more about this on my page about safety features, but in short this will prevent the motor from dangerous automatic restarts after power interruptions. A magnetic switch is more common on cabinet saws, but you may want to consider an upgrade on your contractor as well.
Summary. I've kept this information relatively short and sweet, and you may have noticed I have neglected to mention some features which can be considered essential. However, fear not because I have plenty of other articles on my website designed to help you out with any question there might be in this respect. Of course, the best thing is you don't have to revert back to your main search engine because it's all here for you!
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