Published at Monday, 18 March 2019. Industrial Machinery. By Nannette Fournier.
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.
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.
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.
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