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Brazilian Cherry/Jatoba Workability Issues

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Forum topic by WoodworkingWarrior posted 12-19-2017 07:16 PM 404 views 0 times favorited 2 replies Add to Favorites Watch
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WoodworkingWarrior

4 posts in 864 days


12-19-2017 07:16 PM

Topic tags/keywords: brazilian cherry jatoba routing kickback

Hello All,

I recently ran into an issue using a pattern routing bit on some very dense Brazilian Cherry (aka Jatoba) in that the bit didn’t even make a dent in the wood. As I brought the piece into the router bit, moving into the router bit from a counter-clockwise direction, the bit kicked the wood back at me aggressively and broke the piece along the grain making it unusable.

My questions are… Is this wood just so dense that the router bit, which was brand new, wasn’t able to cut into it? Was it an issue of my routing technique? Have any of you experienced issues when working with Brazilian Cherry/Jatoba?

Thanks in advance for any responses.


2 replies so far

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simoncpj

23 posts in 632 days


#1 posted 12-19-2017 07:26 PM

A caveat – I am very much a novice.

I just made a table with a lot of cuts and joints. Jatoba was tough. Hard to get a top notch table saw blade through 8/4, tough to drill into, brutal on chisels and planes. Also very particular about grain direction.

My guess is you were routing against the grain and taking too deep a pass. I would not make a pass deeper than half what I would with other woods.

Hope that helps

View HokieKen's profile

HokieKen

6181 posts in 1259 days


#2 posted 12-19-2017 07:57 PM

Were you introducing end grain to the bit first? The fact that it broke along the grain indicates that you were. If so, don’t. In really hard woods, the wood is going to be prone to separate along the grain rather than be cut by a carbide router bit. There are techniques to routing tough end grain. Which apply will depend on exactly what you’re doing.

-- Kenny, SW VA, Go Hokies!!!

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