Those are great points.
For at least every commercial suction cup I've benchmarked, the ring of material in contact with the surface when the cup is in use ends up being about half the diameter of the outside of the cup. The bevel does indeed fold up on all of them. I might just be looking at...
Thank you all for the feedback. I've updated the design as in the attached. It is flatter with an extremely small nipple on the top. I am frankly not sure how important the nipple is, but I've seen them on some example cups and I believe it will help avoid contact from the center of the cup that...
I appreciate the feedback
Off the shelf: I'll look into more off the shelf options to benchmark. We have a one-piece molding, but I could incorporate some of the design.
Contact area: It looks like a bit less angle of attack should help in this regard.
Hello,
I have not been able to find good design documentation for non-vacuum pumped suction cups. I'm working on a passive suction cup application where the cup needs to provide resistance to being pulled up, but otherwise lay flat. Sliding is not as much of a concern.
My first attempt's...
