PCO-1881 2 liter bottle neck

PCO-1881 2 liter bottle neck

  • pco-1881.png

    381KB

    2014/10/12

Description
Inspired by Vincent Haley's SP400 bottle neck thread (and with much guidance from Vincent), I modeled the PCO-1881 bottle neck thread standard, used in most current two liter bottles. It should be dimensionally accurate, except for possibly the area around the thread run in where the drawings are vague.
Comments

The thread presets in Fusion are for machine threads and won't help you here. There are two common water/soda bottle standards in use, and a lot of less common ones. If it looks like the one in this render, it is a PCO-1881. If it looks like Vincent's model (https://fusion360.autodesk.com/projects/bottle-neck-sp400-modified-buttress-thread-m-style) it is an SP400. SP400 is an older common standard, and the bottle caps are taller.

The threads on this model are manually modeled from the standard drawings, which you can find from a web search. If you are mainly interested in 3D printing and using the model as part of an assembly, I would use a simplified thread, such as http://www.thingiverse.com/thing:157541.

I have printed out this model and tried it with a bottle cap from a 2L Coke bottle. It fit just fine, although because of the thread overhangs, I sliced the model in half vertically at the parting line, printed cut side down and glued the halves together.

almost 7 years ago

Hi,Peter~ nice work~ hope i can model this also~ i tried model a cap with thread for a test~ but i tried lots thread presets in fusion 360~ and did some measure for my bottle~ it is just normal pure water bottle~diameter of the neck is about 30mm~ printed out ~ just didn't work.. i am wondering if you use the threads presets in fusion or just measure it and manually modeled this bottle neck? thank you ~

almost 7 years ago

Vincent,
here is my actual project to produce a mill with fusion360:
https://fusion360.autodesk.com/projects/my-homemade-mill
Hope the link will work...

almost 7 years ago

Peter,

You are welcome! Let's keep sharing our modeling discoveries.

almost 7 years ago

Jin,
congratulations to this bottle thread. I know it looks simple but the construction of the coils/threads are not quite as simple.
I used that example to learn the 3D construction in fusion 360 and i saw that some things are not finished implemented in fusion.
Thank you Vincent for your good explanations. :-)

almost 7 years ago

Jin,

Looks great! And thanks for the credit. I enjoyed stepping through the build process with you. I look forward to seeing more of your work.

Vince

almost 7 years ago
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