Published at Monday, 18 March 2019. Industrial Machinery. By Nannette Fournier.
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.
The blade tilt hand wheel is located on the side of the saw and allows you to tilt the blade up to 45 degrees away from the fence. The hand wheel which allows you to adjust the tilt of the saw blade is usually located on the left or right side of the unit depending on which way the arbor is made to tilt. Portable table saws usually don't give you as much control as professional cabinet saws though, and they often combine elevation and tilt adjustment in one wheel.
I would also recommend you to look for switches that have a “sunk” or plastic cover which prevent you from turning the saw on accidentally. If you have kids running around the shop, consider a saw that comes with the ability to add a padlock. Actually, this comes in useful even if you don't have kids who are likely to gain access to your workshop.
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