How do you prevent tearout on MFT when crosscutting?

[Gabeloooooo]

Hi,

I've recently switched to using bench dogs as my fence on the MFT3 with much success. So much easier to square!

I was wondering how you guys go about preventing tearout when crosscutting? And I don't mean tearout along the cut, just at the end of the piece where the blade leaves the piece.

I'm guessing the use of a sacrificial piece is in order (like on the Table saw), but I'm wondering if you have techniques that make it easy to prevent tearout and yet not affect square, etc.

 

[peter halle]

Tou can line up a sacrifical block at the end of the cut.  Take a guiderail or long straight board and align with dogs.  Then place a piece of wood behind the rail where needed and screw down to MFT making sure that the screws are not in the blade path.  Also gives a visual indicator of kerf and a place to pull measures both left and right.  In order to not cut all the way thru the block you can install a limit stop on your MFT/3 rail.

Peter

 

[Gabeloooooo]

Tried this, but I found that screwing the block to the MFT will sometimes throw off square (not 100% aligned with fence or dogs)...

 

[peter halle]

A couple of suggestions:

Clamp your temporary "fence" when installing the block, and use a piece of mdf or plywood as the block.  They are less likely to expand and contract due to temp and moisture.

At least this has worked for me.

Peter

 

[Gabeloooooo]

I'm cooking something up that might work... Will update with pictures if it works.

 

[PaulMarcel]

A lot of time a piece of blue tape at the exit point will do it; just be sure it won't be against the fence or it'll cant the stock ever so slightly out of square (unless you put a piece of any size on the other end touching the fence )