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how to measure cabinet frame opening for double doors

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Forum topic by bluephi1914 posted 09-20-2017 02:14 AM 3703 views 0 times favorited 12 replies Add to Favorites Watch
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bluephi1914

78 posts in 1473 days


09-20-2017 02:14 AM

I am trying to figure out the formula for double doors for this particular opening . I am using the pictured hinges.

Opening measurements are 19 7/16 wide – 26 5/8 tall

the hinges are 1/2 inch overlay

thanks in advance for any help.

I know that there should be a 1/16 gap between the center of the doors, but im not sure how to calculate that.

-- Jack of all trades and a master of most of them.


12 replies so far

View barada83's profile

barada83

88 posts in 1301 days


#1 posted 09-20-2017 02:44 AM

((total width + 2overlay)-1/16)/2 In words – take total width, add the overlay to that for both doors (1/2” overlay2 is 1” extra). From that, subtract your center gap. Then divide that by 2.

-- Mike

View TungOil's profile

TungOil

1004 posts in 610 days


#2 posted 09-20-2017 03:37 AM

Mike is correct on the math, but I’ll suggest a slight variation to fitting these doors that will help account for any accumulation of errors in the build of the carcass and doors. If you make the doors slightly wide, you can sneak up on the gap by taking light cuts with a jointer or hand plane and fit the gap. By doing it this way, you can correct for any minor errors in the sizes of the parts and mounting of the hinges that accumulated in the build.

-- The optimist says "the glass is half full". The pessimist says "the glass is half empty". The engineer says "the glass is twice as big as it needs to be"

View JBrow's profile

JBrow

1366 posts in 1035 days


#3 posted 09-20-2017 04:34 AM

bluephi1914,

I will add that beveling the meeting edge of each door (where the doors meet in the middle) could help prevent binding as the doors are opened and closed. The bevels could also make short work of fine tuning with a hand plane after the doors are mounted to get the doors to close just right. A 5 degree bevel seems to work.

View Bumpy's profile

Bumpy

40 posts in 596 days


#4 posted 09-20-2017 10:49 AM

For over 20 years I have used the following:

OW +15/16 divide by 2

I use Blum inserta cup hinges. The above allows for 182 OL and the hinge offers the fine adjustment

View bluephi1914's profile

bluephi1914

78 posts in 1473 days


#5 posted 09-20-2017 05:15 PM



((total width + 2overlay)-1/16)/2 In words – take total width, add the overlay to that for both doors (1/2” overlay2 is 1” extra). From that, subtract your center gap. Then divide that by 2.

- barada83

this worked like a charm… had to take a little off with my jointer… like another 16 or 32… but it worked out !!

-- Jack of all trades and a master of most of them.

View rwe2156's profile

rwe2156

3068 posts in 1596 days


#6 posted 09-20-2017 05:24 PM

if you are rabbetting the doors for a center overlap you have to figure that in too.

-- Everything is a prototype thats why its one of a kind!!

View Desert_Woodworker's profile

Desert_Woodworker

1590 posts in 1329 days


#7 posted 09-20-2017 08:19 PM



Mike is correct on the math, but I ll suggest a slight variation to fitting these doors that will help account for any accumulation of errors in the build of the carcass and doors. If you make the doors slightly wide, you can sneak up on the gap by taking light cuts with a jointer or hand plane and fit the gap. By doing it this way, you can correct for any minor errors in the sizes of the parts and mounting of the hinges that accumulated in the build.

- TungOil

ditto +1

-- Desert_Woodworker

View bluephi1914's profile

bluephi1914

78 posts in 1473 days


#8 posted 09-21-2017 02:31 AM

finished project… thanks all for the help !!!

-- Jack of all trades and a master of most of them.

View Desert_Woodworker's profile

Desert_Woodworker

1590 posts in 1329 days


#9 posted 09-21-2017 02:32 AM

Nice job!

-- Desert_Woodworker

View AlaskaGuy's profile

AlaskaGuy

4353 posts in 2424 days


#10 posted 09-21-2017 02:37 AM

Looks perfect form where I’m sitting.

-- Alaskan's for Global warming!

View waho6o9's profile

waho6o9

8346 posts in 2692 days


#11 posted 09-21-2017 02:42 AM

Good job

View Desert_Woodworker's profile

Desert_Woodworker

1590 posts in 1329 days


#12 posted 09-21-2017 02:48 AM

Not so easy—- give us some close up pic’s both left and right….. :)
seriously how did you figure out “how did you make it work.”

-- Desert_Woodworker

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