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Cabinet door panels

2/15/22       
Scott

I started building my own cabinet doors, mostly 5 piece, I have most of the equipment required and although the first few sets cost about $200 per door, haha. I have got a pretty good system in place.
I have a shaper cutter for running the 3/8 mdf Center panels through to get the rebate or whatever the proper term is on the back. It has a nice radius so the panels look good when you open up the cabinet.
I cut the panels on the cnc and then run them through the shaper. Is there a tool that anyone can recommend to do this rebate cut on the cnc at the same time, this would save time.
Thanks for any thoughts.

2/15/22       #2: Cabinet door panels ...
Mark B

You lost me with "or whatever the proper term is"? WTF dude? Are you trying to come up with a tool to do a back side relief? Coved? Sketch? What in the world are you doing at 200 a door and a line like "whatever the proper term is"? Holy macarolly.

2/15/22       #3: Cabinet door panels ...
Scott

MarkB,

I always look forward to your posts, I had to laugh that you were so hard on me.
Sorry I had a brain cramp, trying to do to much at once.
I am looking for tooling to make the relief cut in the panel, using the cnc.
I was joking about the $200 per door, they just cost more than buying them would have cost, but schedule and quality have been a bit of an issue since Covid started. Thanks


View higher quality, full size image (4032 X 3024)

2/15/22       #4: Cabinet door panels ...
Jared

You can do the back cut on the CNC a few ways. If you want the reverse raised panel look like your pic shows, it'll take 2 tools: your straight cutter to hog out most of the rabbet (rebate in Europe, rabbet in US, potato poTOHto), then follow up with a bullnose running a centerline cut on the edge of your rabbet to create the scallop. Or do what I do, which is to skip the bullnose and make an extra wide rabbet so it creates a 1/8" reveal and leave it at that. Spaceballs in the panel groove help center the panel so the reveal stays even.

2/16/22       #5: Cabinet door panels ...
Richard

Hello Scott,

Firstly I have to ask why you don't want to make these doors as one piece MDF? I know that the back wouldn't match a traditional 5 piece door but it seems like the savings in machine and assembly time would significantly reduce your cost which your customers may appreciate more than they value the 5 piece aesthetic.

If you are committed to producing a door that looks like a 5 piece door, you might consider making a 2 piece door. For shaker profiles similar to the photo you posted it would be very simple. You would cut a frame from 3/4" MDF. This would have a 3/8" deep rebate around the inside of the frame, "squared up" with a 1/8" or 1/16" diameter tool. Then cut your centre panel from 3/8" MDF using a ball nose tool in the way Jared explains. These panels should be cut around 0.01" smaller than the opening and have a radius in the corners that matches the radius of the tool used to cut out the rebate in the frame. I have found that these fit so snugly it's hard to tell that it's 2 pieces. This method is very simple even without costly software. You can easily draw up a template in any free CAD program and stretch to the required sizes before importing into your CAM software and assigning tools. There would be a slightly reduced yield compared to your 5 piece door and a small radius on the inside corners but your assembly and machining time should be greatly reduced.

I understand if you're set on your 5-piece concept but I figure it's always good to look at other options even if you end up rejecting them.

2/17/22       #6: Cabinet door panels ...
Scott

Thanks for all the input everyone.
Richard,
Do you have a picture or a cross section of the two pieces, thanks

2/17/22       #7: Cabinet door panels ...
Mark B

Im in the 5 piece camp and will likely never go to one piece MDF doors but Im not chasing the home center market and most of my customers are MDF averse out of the gate even though it shines where it shines. I think the doors Scott is making are far and away higher quality than a routed MDF door. We all moved away from the particle board/foil horror show in the 80's and now we are going right back. Its not to say there cant be some quality there but we all know why MDF is reigning and its not quality its price.

One knick/dent/scratch in the finish with MDF and your in the death spiral of moisture/swell/hell. The panel is a bit less susceptible to damage so its a bit more manageable but in my world a customer looking at a shaker door with wood grain telegraphing through on the rails/stiles/and panels, will choose that over a dead flat home center door all day long until you can offer the dead smooth door so cheaply they will give in.

I'd stick with your 5 piece if its what your customers appreciate.

2/18/22       #8: Cabinet door panels ...
Acctek  Member

Website: https://www.acctekgroup.com/index.html

Try to make it with a CNC engraving machine with automatic tool changer

2/21/22       #9: Cabinet door panels ...
Tyler Member

Just get this cutter. We use it all the time when making out door panels. Works perfectly.

https://www.amanatool.com/rc-2485-cnc-insert-nova-system-cove-raised
-panel-for-mdf-wood-cabinet-doors-1-11-32-dia-x-17-64-x-1-2-inch-shank.html


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