Table saw chipping wood

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Forum topic by Quailguy posted 10-28-2015 05:51 PM 711 views 0 times favorited 9 replies Add to Favorites Watch
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54 posts in 1157 days

10-28-2015 05:51 PM

I have an older Craftsman 10” contractor saw with Exacta-Rip fence. Recently I’ve noticed that the bottom edges of cut boards are chipped off. This happened both with walnut and Baltic birch plywood. I confirmed the Freud blade is perpendicular to the table, aligned to the miter slot, and no noticeable damage to the blade. What am I missing?

9 replies so far

View MrUnix's profile


6592 posts in 2164 days

#1 posted 10-28-2015 05:53 PM

What am I missing?

A ZCI maybe?


-- Brad in FL - In Dog I trust... everything else is questionable

View Quailguy's profile


54 posts in 1157 days

#2 posted 10-28-2015 06:10 PM

That may be true, but why all of a sudden? Never saw this problem before, but then again, isn’t that typical of tis hobby…

View tomsteve's profile


771 posts in 1185 days

#3 posted 10-28-2015 08:32 PM

how many teeth on the blade and what type of grind on the blade?
how long since it was sharpened?
its usually a sign to me its time to sharpen.

View Quailguy's profile


54 posts in 1157 days

#4 posted 10-28-2015 08:42 PM

Freud Fusion 40 tooth. its worn off but I think its a 33? degree grind. I’ve given in reasonable use for about a year, so you may be right. Thanks


View patcollins's profile


1683 posts in 2831 days

#5 posted 10-28-2015 08:42 PM

The bottom chips out because the blade is coming out of the wood there and it is not backed supporting it so it splinters. You can either put a sacrificial piece under it for support or a zero clearance insert.

Some wood (plywood especially) chips more than others as well as some types of blades chip more than others.

View TheFridge's profile


9249 posts in 1451 days

#6 posted 10-28-2015 08:58 PM

New zero clearance insert at the least

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

View dhazelton's profile


2755 posts in 2262 days

#7 posted 10-28-2015 09:55 PM

Is the blade set too high with too fast a feed rate?

View Quailguy's profile


54 posts in 1157 days

#8 posted 10-28-2015 09:57 PM

I think it’s a sharpness issue, but the zero clearance insert theory makes sense. Off to the sharpening shop. Thanks to everyone.

View rwe2156's profile


2881 posts in 1446 days

#9 posted 10-29-2015 02:54 PM

As the blade got duller, you started getting more tear out.

You still need a ZCI.

-- Everything is a prototype thats why its one of a kind!!

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