All Replies on dull planer blades and water based stain

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View skidiot's profile

dull planer blades and water based stain

by skidiot
posted 10-05-2018 03:41 AM

3 replies so far

View Aj2's profile


3162 posts in 2597 days

#1 posted 10-05-2018 04:00 AM

This is what I’m think purely speculation. The dull blade compresses the wood fiber more before they are cut or severed. One example would be a wet kitchen sponge. And super sharp knife will start separating the sponge with a lot less force then a dull knife.
Very interesting topic to me. my favorite part of woodworking is milling or cutting wood.

-- Aj

View OSU55's profile


2649 posts in 2788 days

#2 posted 10-05-2018 12:36 PM

Its possible you didnt sand the dull blade surface enough, ie the dull blades left deeper marks. While the surface feels smooth there are still marks. Research trace coating. Did you prewet the surface to raise grain and light sand before staining? Agree the dull blades could compress fibers more, but with preraising the grain it wouldnt matter. I prefer hand planes to sanding – I get a more perfect surface for finishing.

View theart's profile


201 posts in 1353 days

#3 posted 10-05-2018 12:49 PM

Another possibility is that the dull blades are pulling at the wood fibers more as they’re being cut. Like shaving with a dull razor. That would leave a surface with a lot of splintery little hairs that are going to swell when they get wet.

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