- Estimating plastic quantities for dome forming
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Estimating plastic quantities for dome forming
I have a requirement to create 2 plastic hemispheres - 14" and 13" diameter.
I'm new to vacuum forming, although I've been happily CNC milling and laser cutting for some time.
My question is how much plastic (in X and Y) would be required to form the two hemisphere?
Low detail, so 1/16" thickness plastic would probably work OK?
I'll be making the "plugs" using CNC egg-crate process, filled with fine plaster.
All advice gratefully received.
Thanks,
Steve
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Steve,
Sheet size would be determined by vacuum forming machine frame size. the sheet will stretch & thin out thru-out your "hemisphere".
Most sample vacuum-forming machines have an adjustable frame, so I would think a few inches added to eack side of part edge would be fine. add to that some scrap for mistakes & then the amount of pieces you need.
- Estimating plastic quantities for dome forming
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