Published at Thursday, January 24th 2019. by Adelisa Legrand in Industrial Machinery.
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 Types. Rip vs. Crosscut blades the two basic types of table saw blades are rip and crosscut blades. Rip blades have a smaller number of teeth and larger gullets, which means there's more room to remove the shavings and dust. These blades are designed to cut along the grain of the material on the table, but although they cut faster, the resulting cuts are rougher.
There are some differences between T-square fences found on table saws. Some of them make use of bolts in order to mount the fence tube to the T-square head which is more like a characteristic of lighter duty fences found on hybrid and contractor saws. Heavy-duty fences found on cabinet saws have the fence tube welded to the T-square head.
Splitter and Anti Kickback PawlsOne of the leading causes of table saw related accidents is kickback, which occurs when a piece of wood gets ejected at high speed, back toward the operator. This can cause some serious injuries. This happens when the wood binds between the fence and the blade, and then gets caught by the teeth on the back on the blade. In order to prevent that from happening, many table saws are fitted with a splitter. A splitter is basically a small vertical blade made of metal or plastic, which holds the Cerf open behind the table saw blade. It's a simple solution that works, up to a certain point.
The Fence. One crucial component of every table saw along with the engine and blade is the fence. In fact, making a precise rip cut would be impossible without it. There is basically one type of fence most table saw manufacturers tend to use, but before we get into that let's go over the main characteristics a good fence should have. First of all the fence should allow for easy and hassle-free adjustment both horizontally and vertically. The fence should also sit on the rails firmly, and there should be NO “wiggle” room apart from the sliding.
If you encounter some resistance while moving the fence, I would advise you apply some sort of lubrication like wax. Factory or stock gouges are sometimes poorly made, and most people correct this by purchasing an after market miter gouge. However, if you get a table saw with a bad fence and leave it that way, it's not a shortcoming for which you can easily compensate.
Basic Table Saw Features. I consider myself pretty knowledgeable when it comes to most power tools, but it took me a long time to “crack” table saws. There are so many things you need to consider it is insane! And I am just talking about the basics. If you want to look at non-standard features things get even more complicated.
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