Published at Monday, January 14th 2019. by Adelisa Legrand in Industrial Machinery.
Table Inserts. throat plate Table inserts, or throat plates as they are usually called are nothing more than thin pieces of metal or wood, mounted around the blade and leveled with the surface of the table. This prevents small pieces of wood from falling inside the arbor.
Now, the most common type of fence found on table saws at the moment (especially the cabinet type) is the Biesenmeyer Commercial “T-square” fence, or in most cases manufacturer's copies and offshoots of that design. It's the most popular design because it is easy to adjust and operate, is made out of welded steel, accurate, and best of all there is not much that can go wrong with it.
If finer cuts are what you have set out to achieve, a crosscut blade is the better option. The resulting cut is much smoother, but because the teeth have less space for chip removal and because there are more teeth to cut through the wood, the feed rate is much slower. If you need both speed and smooth finish, there are combination blades, which attempt to do both. Also, you may come across special cut blades. These are either designed to cut through certain materials like plywood, hardwood, metal, plastic, or even brick, or they are designed to make specialized cuts for the purpose of joint making. This includes sets of dado blades.
For instance, the teeth on blades that cut through wood are made out of steel or carbon steel, which ensures their durability. Then there are masonry blades, which have diamond-tipped teeth, and you can also find blades that are made to cut through aluminum and steel. Such blades have teeth that are treated with hardened metal or tungsten carbide. Finally, there are blades designed to cut through PVC and acrylic materials, which have teeth made out of low-temperature tungsten carbide.
Choosing the wrong blade will result in poor woodwork at best, and turn into a potential accident at worst. Now, in order to get the most out of the saw you paid for with your hard-earned cash, and to avoid any saw-related accidents, you need to learn a thing or two about the blades. This short guide I put together should teach you what you need to know. Check it out.
In the past, table saw blades were meant to cut only wood, but they are now able to cut through metal, plastic, and other materials. Mind you, most blades are still fabricated out of metal, but some also feature special alloys and materials in the teeth, and various carbon composites for the body. Before deciding on a blade, you need to look at several characteristics such as its diameter, the material it's made of, the material it's designed to cut, number of teeth, maximum speed, and price, among others. Of course, the blade needs to match your table saw as well. Now, let's see how you do all that.
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.
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