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Re: Shaper Adj Groover Cutter Question

 

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Thanks Brett. I do have two 220mm rebate heads to do the tongue with but thought I try this cutter.

My low range 3 pc. adj. groover (IIRC 4-15 mm) does not have the T & G feature because the outside cutters are only ~2mm tall.

The T&G are not centered on this project. I was going to run material face down so registration is consistent from the face.

Imran

On Mar 14, 2022, at 10:33 PM, Brett Wissel <Brettwissel@...> wrote:

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If you have the spacers and the time to figure out the cutter overhang from the body, make it a rebate cutter and really maximize your utility on investment haha. Seriously though just using it as a rebate, flipping stock, and sneaking up to your desired tongue thickness might be easier than fiddling with shims and getting a centered cut. My only reservation would be that a 150mm D I'd be spinning that at max allowable 8krpm to keep cutter chatter minimized. If you've got the shims though, you can make anything work.

On Mon, Mar 14, 2022, 7:01 PM imranindiana <imranindiana@...> wrote:
I think what I intend to do is okay but I rather be safe than sorry. I have this CMT set and was going to use it for the first time for making a 1/4¡± tongue on the long side of 3/4¡± boards.


The illustration shows the cutters going like this for tongue. Makes sense as nickers are in the middle, i.e., above and below the tongue.



There is no interference between the cutters, in this case with 3/16¡± stack of shims. I will have a bigger gap for the 1/4¡± tongue.

The illustration shows min tongue thickness of 14mm.?I think this is because that is the minimum groove possible with this cutter.



So to the question, is there any reason I should not use it for less than 14mm tongue?

Thanks,

Imran
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