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Hold Down Options w/ no T-tracks

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Forum topic by Jordan123 posted 10-30-2018 02:16 PM 927 views 0 times favorited 8 replies Add to Favorites Watch
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Jordan123

55 posts in 524 days


10-30-2018 02:16 PM

Hey guys,

Im trying to mill out a pocket in a serving board ive made. Because of that I cant damage the board. I also do my cnc work at a community workshop where they do not have t track in the spoilboard yet.

How would you guys recommend holding it down? My idea was some plywood blocks around it to hold it from shifting and some double sided tape to hold it down.. I am only a little worried that that up-cut bit might try to pull the piece of the spoilboard. Its a walnut piece I am trying to cut. Is this enough?


8 replies so far

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Robert

3441 posts in 1903 days


#1 posted 10-30-2018 02:17 PM

Glue some sandpaper to the blocks will help.

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

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HokieKen

9979 posts in 1561 days


#2 posted 10-30-2018 06:39 PM

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

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shawnn

145 posts in 1787 days


#3 posted 11-06-2018 01:27 AM

I cut these pockets using wood strips as a guide for my router, cutting with a (cheap, Yonico) guided bowl bit. Not sure if this is relevant to what you’re trying to do but I used masking tape on both the cutting board and the guide strips, then CA glue (super glue) to hold the guide strips in place. Holds the guides like a champ and when finished, the masking tape peels off cleanly.

ETA: I used to use double-sided tape but the foam carrier always allowed some movement. The masking tape doesn’t.

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shawnn

145 posts in 1787 days


#4 posted 11-06-2018 01:34 AM

Top of cutting board if anyone’s interested. Maple & Brazilian Cherry scraps, finished with a mixture of coconut oil & beeswax.

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therealSteveN

3116 posts in 996 days


#5 posted 11-06-2018 03:54 AM

shawnn, I’ve been loving a Yonica flush trimmer I have been abusing. A LOT longer cut life than I ever imagined. I’ll have to look at their bowl bits. Christmas is bowl bit season, party trays are jolly gifts.

That is a nice board idea, tray to board in seconds. I wonder if with that much wood cut out, and one side flat if it will note a twist?

For the OP. If you make an oversized carrier board you can mount DeStaco clamps around the edges

Or drill access holes around the edges of an oversized carrier board and insert clamps through the hole. look for ones with a hook, and a flat foot that you can recess, crossing over to welding suppliers get a lot of different profiles.

-- Think safe, be safe

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DS

3197 posts in 2843 days


#6 posted 11-06-2018 01:35 PM

Double-sided speed tape along with wood blocks screwed to the spoil board at the edges of the work piece usually works for me.

-- "Hard work is not defined by the difficulty of the task as much as a person's desire to perform it.", DS251

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Dwain

596 posts in 4281 days


#7 posted 11-06-2018 01:53 PM

I have used carpet tape to rout the hand holds for my cutting boards and serving trays with great success. I’ve used them to hold the template on the board, and to hold the board down to the workbench.

-- When you earnestly believe you can compensate for a lack of skill by doubling your efforts, there is no end to what you CAN'T do

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oldnovice

7488 posts in 3790 days


#8 posted 11-06-2018 08:37 PM

You may want to consider this process posted on YouTube by NY CNC, Winston Moy and others.
Using painters tape and CA glue!

At first glance it doesn’t look like it should work but in video above they are taking deep cuts in aluminum and it DOES work!

-- "I never met a board I didn't like!"

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