Hello - I've been thinking about a seemingly simple problem for days with no avail. Even the sheet metal "unfolding" software to create a flat pattern from curved shapes fails because it cannot take into account the manufacturing method (manual metal twister). Yes, I know a flight screw can be...
btrueblood - I think we're on to something - the spiral blade cold rolling mill looks to form the desired shape, but I could not find one that would make a small enough spiral helix to be skewered by a 3/16" inch diameter rod. The smallest one I could find does down to a inner diameter of 20mm Link
Hello - I am stumped on how they make the sheet metal spiral for something like this (see image below). I can see how they would make a sheet metal helix without the room for a rod through the center - but can not wrap my head around the manufacturing process for a sheet metal helix with room...
IRStuff
In order to screw the sand auger into the ground the coupling must satisfy 5. Rigid when coupled in all planes of motion To include radial planes.
Circular indentations for the balls makes sense - my idea was to fill the void of the air channel (they are all pneumatic couplings) with a...
All,
The democracy has spoken - here are additional design details
Product: Collapsing Sand Auger
Environment: Marine
Material: T316 Stainless Steel
Action: Ascending & descending through 32" worth of sand via rotational motion of auger
wannabeSE - sewer pipe connection requires tool and...
Dicer & Nereth1:
Threaded connection with locktite violates 2. Quick connect/disconnect
Nereth1:
Double sided female threaded sleeve - I am thinking one end of the sleeve is permanently attached the other is not threaded, but has a hexagonal female opening for the hexagonal. See attached...
All,
With 7 replies no and solutions or even answers I am upping the ante - I'll throw a video of a simple Rube Goldberg Machine that spells your username for a solution
Clarification:
1. Low profile (minimal expansion beyond 1/4" cross section of rod) - Ideally less than or equal to 3/8"...
Hello,
I am in search of 1/4" to 1/4" diameter Steel Rod Coupling with the following requirements:
1. Low profile (minimal expansion beyond 1/4" cross section of rod)
2. Quick connect/disconnect
3. Structurally sound and near equivalent strength to 1/4" steel rod itself
4. The catch all -...
dvd - Your post are very insightful and succinct. It seems like over the years you've always provided great information whether my post or someone else's. You know the right questions to ask and you do it not for monetary gain, but for the greater good of society - utilizing the understanding...
Thank you for the thoughtful input, creativity, and innovative thinking! I've attached a sketch of the prototype I plan to build with some additional design requirements. The Chinese fabric trap needs to meet these design requirements (1) have a variable insertion length up to 4" (as in you can...
MikeHalloran You da bomb dot com!
I could build it out in CAD like I did with the chinese fabric trap concept described above (see below), but I would love to first find the product your talking about to help guide design. I've searched far and wide on google and can't find anything - can you...
I am trying to find a product or mechanism that already exist that is basically a Chinese finger trap for a sheet of fabric. You feed the fabric into the trap/clamp/mechanism and cant be pulled out. After pondering and asking all the engineers around my office the closest thing we have thought...
dvd - thank you I will be able to complete a functional prototype, however it would be great to have a similar mechanism (see quick video demonstration "Link" and picture) that's not $25 a pop and could be viably mass manufactured. Any recommendations?
Link
