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Why is my planer doing this?

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Forum topic by thomasfurman posted 01-22-2017 11:16 PM 449 views 0 times favorited 5 replies Add to Favorites Watch
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thomasfurman

22 posts in 337 days


01-22-2017 11:16 PM

My entire shop is 1940-50’s Delta and Atlas. I recently picked up a minty Delta 6” planer.

I watched a few tutorials on Youtube about adjusting the fences and went to work on mine.

The wood slides over the infeed fence, over the blades (removing only the smallest amount of material), and onto the outfeed fence perfectly…..until the VERY last inch of the board.

That is when I hear the blades really do some work (you can tell by the noise) and when I look at the board I can see how it gently took away some of the board’s cupping until that last inch when almost a 1/32” has been dug into the board.

Any idea how to fix this?


5 replies so far

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papadan

3584 posts in 3208 days


#1 posted 01-22-2017 11:23 PM

That is what is known as Snipe, it can happen on either or both ends of the board. It is caused by the wood dropping lower that the cutters as it enters or exits the cutters. With no snipe on the input, you are almost there. Raise the outside edge of the output table just a little bit and try it. What actually causes this is the weight of your wood, it will push down the outer edge of your infeed or outfeed tables, adjust them up slightly to compensate for this.

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thomasfurman

22 posts in 337 days


#2 posted 01-22-2017 11:29 PM



That is what is known as Snipe, it can happen on either or both ends of the board. It is caused by the wood dropping lower that the cutters as it enters or exits the cutters. With no snipe on the input, you are almost there. Raise the outside edge of the output table just a little bit and try it. What actually causes this is the weight of your wood, it will push down the outer edge of your infeed or outfeed tables, adjust them up slightly to compensate for this.

- papadan

so just to clarify….while facing the planer…adjust the left (outfeed) table up a hair? I’ll try it thanks!

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papadan

3584 posts in 3208 days


#3 posted 01-22-2017 11:35 PM

Yes adjust the outer most edge, up just a little and try it.

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rwe2156

2716 posts in 1320 days


#4 posted 01-22-2017 11:41 PM

I think you’re talking about a jointer, not a planer.

Sounds like your outfeed table is too low.

Put a straight edge on the outfeed and with the jointer blade at TDC it should just touch.

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

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papadan

3584 posts in 3208 days


#5 posted 01-22-2017 11:47 PM

Lots of people call them Planer/Jointers, even the manufacturers.

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