Reply by CaptainKlutz

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Posted on Daisy pin router

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2024 posts in 2053 days

#1 posted 04-03-2019 05:44 PM

Hmm, have made couple dozen router bowls, but certainly not an expert at it.
Having trouble understanding why/how pin router would be good way to follow bowl templates?

Pin router would follow template placed on top of block, while you machine wood on bottom.
For router bowls, you never use router to remove all stock. Use large diameter forstner bits to hog out waste faster, and then use router to finalize the shape. With out template or guide on routed side of block, how do know where to drill holes? Would you use one template and reference on edges to align two sides, or use 2 templates?

IMHO – be just as easy to use standard recommended bowl bit with bearing and follow template with it down against the router table? Then you don’t need a top side pin functionally at all? I find using router table is easier when making small bowls, where router might tip on small blank sizes (made my own 8×8 templates). Note when route against table, must use larger opening around the bit as a tremendous amount of large wood shavings are created. Since bowl opening is down, need dust collector to suck out the chips.

One other comment: It’s easy to get alignment issues when routing out deep hole into block of wood. The bowl bit/bearing works pretty well as the bearing is large and it smooths out any imperfections. If used a pin router, would need to use a large diameter pin to match the bit size or risk nicking the interior walls and not being smooth. When ever I used the smaller 3/4 OD bits, always more interior rough sanding .vs. large 1-1/8” bit/bearing. Can only imagine what kind of surface a 1/4” diameter pin would create with large router bit?

Sorry all I have is questions, and can’t help you with pin router method.

Best Luck!

-- I'm an engineer not a woodworker, but I can randomly find useful tools and furniture inside a pile of lumber!

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