Alright guys, I got the suction cups as well as the tins earlier today. I just did a couple of simple tests:
- Out of the box suction cup works very well to pick up the tin (haven't tried with a lot of weight but as far as I can tell it takes a lot of strength for the suction to lose hold)
- The suction can lift the tin when it has the sticker stuck onto the top (I assume this is what will be colored)
- The suction can lift the tin when wet (both sticker and tin)
Issues I found:
- When trying to release the tin the suction keeps the tin attached (which makes sense)
-- I have found, however, that something pressing on the sides of the suction cup allows the suction cup to pick up the tin but it also allows it to drop the tin so should be an easy fix.
- The main problem however, either has a rubbed off sticker (as in it is rubbed after getting wet making it rough and that weird soft residue) then it can't pick the tin up at all
-This is a problem because depending on how the tin is colored it could cause issues with the suction, especially if the sticker is painted and begins to rub off overtime, or if the paint they use isn't very smooth
-Now assuming that they use waterproof stickers that are smooth then we have zero problems and all should work well, or if they use similarly colored tins that are painted smooth then we are good
-- Now if you guys believe we should be fine and that we trust that the tins they use are gonna be smooth and well colored then I am fine going with this design, however, I may actually create a passive claw design that should work just as well or better, which will make all these problems obsolete, the only thing is it would be a bit more complex to make but it still shouldn't be too bad. This claw should work pretty well because the edges of the tin should be very easy to grip onto and an almost claw machine like claw could work pretty well if it's an actual strong one and not like one of those weak ones, trust me I'll make sure it's strong. I'll do a bit more design work tomorrow and think try to sketch up some possible designs for the claw and I'll update when I can
Little vid of the suction cup working
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