Hello everyone, I have been thinking about changing the way I make my cabinets. Using the plans 100% as opposed to using the plans as a "guide". With that said, my designs are drawn digitally and the carcasses are drawn with 3/4" thick material, but plywood generally runs 23/32.
I'm wondering if I'm opening a can of worms here. if I was to change the increments of my program from 1/16 to 1/32, accuracy for my multiple fixed shelving would be right on, but then I would be measuring EVERYTHING at 1/32 increments. All my doors, shelving, etc would be rounded to the nearest 1/32.
Is the compounding 23/32 thickness along a cabinet's width a real concern? What about if there was also a 23/32 partition?
I simply use the overall dimensions of the boxes and dimensioned openings, letting the over and under dimensions fall where they will. When there are dividers in a box, I go to the centers, and use dado's and grooves to leave a 'solid' fraction- i.e. leave a 3/8" thickness in the divider.
This sometimes leaves having to cut a few pieces to a 32nd fraction during assembly, but for the most part I'm able to stay with most parts to the 16th of an inch- easy for these old eyes to see
We use metrics. Plywood is coded at 18mm even though it usually runs around 18.5 lately. If we happen to start getting stuff over 18.5 then we code it as 19.
The only time we hit snags is if melamine is the normal casework interior, and then suddenly we have plywood cabinets that sit directly on top, such as when you have glass door wall cabinets on top of solid door cabinets. The glass door cabs will be plywood, the lower ones will be melamine. The slight differences in material thickness can really give you a headache at install.
I greatly prefer to work in the metric system but our customers never do. Way past time this country should change. All of our work is done in CAD and uses 0.001" increments. No one here uses a tape measure anymore. The sizes are downloaded to machines that don't care but are pretty dead on. When forced to use plywood we do a digital measure of a few sheets and hope the unit is consistent.
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