Question About TABLE SAW TOP

[CaptainMarvel]

I have a question about the difference in some table saw tops . . . .


I see some table saws with sides that are (for lack of a better word) "vented" - such as the images below . . .

. . . while many others are not - such as the image below . . .

What is the purpose of/for the "vents" and is there any particular benefit (or not) to the "vents" versus the solid top?





TOM

 

[turbowoodworker]

Usually side table extensions come in three types: "vented" as you call it are cast, pressed sheet metal, and solid cast. In general, the heavier the better as the heavy solid cast side extensions tend to dampen vibration and they stay flat if they started flat (in China). Flat is important. The "vented" cast are lighter and cheaper versions and the pressed sheet metal even lighter. You can usually gauge the quality of a table saw by the weight, fit and finish of the table itself and the extensions.

 

[nanofrog]

Contractor and bench saws are designed to be portable, so it's for weight reduction. You'll also see more aluminum and other lighter materials as well.

 

[CaptainMarvel]

Contractor and bench saws are designed to be portable, so it's for weight reduction.

So the "vents" are for weight reduction .... that's it?

 

[zkling]

So the "vents" are for weight reduction .... that's it?

Weight and cost to manufacture (main reason). The solid ones are nice as no worries of stock getting caught between the peaks and valleys shall we say.

The second saw you posted is actually an aluminum top. The ridges add rigidity and reduce friction of the workpiece.