Thread: 12" Table saw blade flange size?

Hi Guys, just a couple of questions regarding table saws, I am in the process of making a 12" table saw for myself using a 3 phase 4hp induction motor and with the larger pulleys, it gives me a 4060RPM no load speed on the shaft. Just trying to find out what size flanges to make to clamp the blade on. The blade I am using is a 305mm 60 tooth with a 2mm body thickness. I tested it on a small piece of board without a large flange to see if everything is working properly which resulted in severe and dangerous flexing and oscillations. So definitly need to add the flanges before I try to cut properly. This table saw will eventually be connected to a control board and a VFD (currently connected to my wood lathe), so I can drop the speed down if I want but more so to provide a soft start and quick stop, and also provide circuit protection for the motor.

So my questions are: what size flanges does your 12" saw have, and would I also be better off to get a thicker blade? I am actually talking about the blade body thickness and not the carbide tip widths.

With the steel I have, I am hoping for a 85mm flange, is that big enough. I am trying to keep them as small as possible within reason as I need this saw to cut 105mm.

Just remembered another question:

The saw blade cover under the table which will help contain the sawdust and has the suction hose connecter, are they made from steel or plastic or does it not matter?

Cheers

Ed.