"two panels" calculation ...

May 24, 2005 5 Replies

In raised panels, I understand the calculation for "one-panel" assemply. Need help with "two-panels" assemply (the width).


- = subtraction



  • = addition x = multiplication / = division


************************************************** total assemply width



- (3 x full stile width)



  • (4 x panel groove depth)

- (2 x panel width expansion allowance) /



2
**************************************************

I'm not sure what your question is, but here's how you compute panel width:

t: Total assembly width s: Stile width g: Groove depth p: panel width e: expansion allowance

t = 3s + 2p + 4e - 4g solve for p:

2p = t - 3s - 4e + 4g p = (t - 3s - 4e + 4g) / 2

CNT wrote:

and don't forget the gap between the doors of about 1/16 to 1/8, depending on how tightly you want the doors to come together. You'd have to SUBTRACT a bit from the rails and the panels.

I PRESUME by two panels, you mean two doors that open together in the middle, right??

Dave

CNT wrote:

No, "two panels" assembly meaning one door with two panels. Unless there's another name for it, that's how it is called?

Chuck

Just like a single panel, dry fit the rails and stiles and measure the openings. Add 1/2" total to the width and height of those openings to determine how large the raised panel should be.

I usually build to exact opening size and trim with my jointer and/or hand planes.

Barry

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