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Reply by GraceAndDrew

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Posted on FAIL - Flush Routing Western Red Cedar

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GraceAndDrew

45 posts in 1506 days


#1 posted 09-24-2020 12:43 PM



how thick are the boards involved ?
how much material are you trying to remove in one pass ?
photos of your issues may get you the most accurate responses.

if the parts are for items like arms for Adirondack Chairs, that design will definitely
give you splitting problems with a pattern bit.
(what tool did you use to “rough cut” the pieces with ? and how much “excess” is over the line.
I would suggest rout one side with the grain that is easiest to cut,
then flip it over and put the MDF template on the back side to see if that is any better.
(just tossing out a possible option).
cutting almost to the line, or on it with a bandsaw and finishing up with a belt sander
may be your only option if you have exhausted all others.

other issues that could be in play is the type, age and sharpness of the router bit.
and the HP and speed of the router being used.
and how aggressive is the force to plow out the excess material.
a 3/4” will remove a lot of material quickly – and split soft wood.
a 1/4” spiral bit can be a lot more forgiving, but a little slower.

.

- John Smith


Thank you for the advice!

-- Grace & Drew Woodworking, http://graceanddrew.com


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