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Fix'n it 12-22-2013 09:52 AM

cabinet crown
 
is it normal for the joints to not match up nearly perfectly ?
idk if i am cutting wrong, or thats just the way it is. the cabs are not perfectly square. i have dark cherry, and any imperfection shows.

eandjsdad 12-22-2013 11:08 AM

Getting a perfect match can be done. Probably the easiest way to get it perfect is measure lengths and angles carefully, make all your cuts, trial fit and adjust if necessary, glue and clamp the pieces, then install them on the cabinet.

joecaption 12-22-2013 02:58 PM

A picture may help to come up with some ideas on how to do it better.
Did you add a backer to attach it to?

Live_Oak 12-22-2013 03:36 PM

If the cabinets are not perfectly square (they should be) then all of the crown angles that you cut will need to be custom angles, or they won't fit the cabinets. You'll have gaps if you try to fit perfectly cut crown on out of square cabinets. You need an angle finder and a miter saw that cuts more than just a 45. And try to square the cabinets up. That should have been done at install time. Once you get them out of rack, the crown will go easier.

oh'mike 12-22-2013 05:33 PM

When is the last time you trued up your saw? It doesn't take much to check if the saw is true---

Fix'n it 12-22-2013 07:03 PM

Quote:

Originally Posted by joecaption (Post 1281617)
A picture may help to come up with some ideas on how to do it better.
Did you add a backer to attach it to?

no pics, as i didn't install any. i was just try'n it out to see how it goes.
no backer. i don't think i need any. as there is enough interface already there.

Quote:

Originally Posted by Live_Oak (Post 1281638)
If the cabinets are not perfectly square (they should be) then all of the crown angles that you cut will need to be custom angles, or they won't fit the cabinets. You'll have gaps if you try to fit perfectly cut crown on out of square cabinets. You need an angle finder and a miter saw that cuts more than just a 45. And try to square the cabinets up. That should have been done at install time. Once you get them out of rack, the crown will go easier.

are any cabinets "perfectly" square ? i have not checked any of mine. but during install i did find out of square boxs. and how do you square up already assembled boxs ? the install isn't the issue, it was the assembly/manufacture.

Quote:

Originally Posted by oh'mike (Post 1281674)
When is the last time you trued up your saw? It doesn't take much to check if the saw is true---

i am using my bro's dewalt with a new $100+ blade. and i am not sure if it was trued up. i think it was, but i do not know. how do i check it ?

oh'mike 12-22-2013 07:30 PM

Use a square and see if the blade is square to the fence---then set the square on the bed of the saw and check that the blade is square ---

A second check?? cut a wide scrap of wood---then flip it over and make a paper thin cut along your original cut---If the paper thin cut is perfectly straight---the fence is true--

Do a similar test against the fence---

Cheap saw or Rolls Royce--they all go out of whack if mishandled or worked hard---

I check mine every time it comes out of the truck,if it's getting used for trim---

Fix'n it 12-22-2013 08:11 PM

i just made a few thin cuts. it looks to be true. but i don't have my calipers to check. idk what the tolerance should be. .

oh'mike 12-22-2013 08:17 PM

Make a thin cut--the flip the board over---and cut along the original cut---

Perfect is needed--both back fences must be in line----use a straight edge---if one is out of line with your other,the miters will not be true.

Are you cutting the crown 'nested' against the fence (upside down)---if so,what are you using to keep the crown from moving? do you have crown stops or a home made jig to keep the cuts consistent?

Fix'n it 12-22-2013 08:52 PM

well that could just be it. i have no jig. i just held the piece by hand. it felt solid and true. but who knows. i have to come up with some kind of jig. let me get a pic.

oh'mike 12-22-2013 08:55 PM

What saw is it? You mentioned DeWalt?

Fix'n it 12-22-2013 09:05 PM

charging batteries

oh'mike 12-22-2013 09:22 PM

Quote:

Originally Posted by Fix'n it (Post 1281765)
charging batteries

Well---that doesn't make sense---:laughing:

You can make a simple jig that will get this job done---

You need to male a long --L shaped thing out of some 1/2 Inch scrap plywood----one is the table--the other is the fence---nest the crown ,upside down against the wood fence----glue/pin or otherwise attach a long thin stop to the 'table' so that the crown is always in the same position--

Then fasten this to the saw---double faced tape is dandy--a clamp might work---

Then cut the jig---45 left and 45 right---remove the loose scrap and you now have a throw away crown stop jig---

I've also hammered a wood plug into the holes in the front of the saw and screwed wood stops into the plugs---
dewalt crown stops - Google Search

Fix'n it 12-22-2013 09:22 PM

1 Attachment(s)
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oh'mike 12-22-2013 09:31 PM

Nice saw----make your self a jig---if the crown slips the tiniest bit while cutting,you miters will be off---

If you have double faced sticky tape.you could just stick a block to both sides of the table---


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