Craftsman Biscuit Joiner Question - Woodworking Talk - Woodworkers Forum
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post #1 of 4 Old 01-03-2018, 05:20 PM Thread Starter
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Craftsman Biscuit Joiner Question

I know this particular biscuit joiner isnít top of the line. And yes - if I could swing $900, Iíd look into getting a Festool domino. However, I picked this guy up at a yard sale for $15 I think - the guy never used it. Still had the plastic piece on the plug.

Anyway, I picked up an assortment bag of biscuits and when I went to use it recently, I noticed that the biscuits didnít fit properly. I used a #20 biscuit and had the joiner set to cut for a #20. Basically, it looked to me like the cut wasnít deep enough, so the biscuit sat a little proud and when the two boards were jointed together (dry fit, no glue) there was a gap. The two boards didnít meet.

Now, Iíve never owned a biscuit joiner before, so I recognize this may be user error, but I just wanted to see if anyone else has had this issue or if there is very clearly something Iím doing wrong? Do Craftsman biscuit joiners only work with Craftsman biscuits? Is it probably fine and when adding glue and clamps, that would take care of it?

Thanks for any feedback.

Here is the joiner:

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post #2 of 4 Old 01-03-2018, 06:09 PM
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I have an older model of that same machine. I have not used it in a long time so my memory may be fuzzy.

If I remember correctly there is a depth of cut adjustment in addition to the biscuit size setting. It is not a large variation, but enough to tune and get the biscuits to proper depth. Brand of biscuits should not matter. You also have to be sure that you always push the joiner until it hits the stops. Otherwise the slot will not be large enough.

What does matter is how you hold the joiner. Small variations can cause problems. I found that if I put the "good" size down then I had less miss alignments.

Did you get a manual?

I also have the baby brother to that joiner. I probably use it more because the size is easier to handle. The smaller biscuits do not matter because it is alignment I am working to get, not strength. I have made a number of jewelry boxes and other items with 1/2" boards and the smaller biscuit is best there also.

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post #3 of 4 Old 01-03-2018, 06:15 PM
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For $15 you got a great bargain. The machine looks brand new.
Itís just a matter of you playing with it some and learning to use it.

If you don't have time to do it right the first time, when will you have time to do it over?
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post #4 of 4 Old 01-04-2018, 08:41 AM
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looks like the knurled knob behind the biscuit select knob may make the adjustment George is referring to.
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