Looper Switcher Build Query!!

Started by aryasridhar, September 11, 2016, 02:03:41 AM

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aryasridhar

Hello All,

I just finished building this looper switcher, however I have no clue on how to secure the box, this box came along with those (3rd Image) things, i don't even know what are those called, would appreciate if someone could please help me out on how to use these or any other better method of securing the box please?





How do i use these to secure the box?



Keeb

#1
Those are blind rivets. https://en.wikipedia.org/wiki/Rivet

QuoteBlind rivets, commonly referred to as "pop" rivets (POP is the brand name of the original manufacturer, now owned by Stanley Engineered Fastening, a division of Stanley Black & Decker) are tubular and are supplied with a mandrel through the center. The rivet assembly is inserted into a hole drilled through the parts to be joined and a specially designed tool is used to draw the mandrel into the rivet.



These make for a permanent, not removable, connection. This would make maintenance difficult. There are rivets that are threaded which you then can insert a screw into. There are also sheet metal screws that don't require a nut to lock in place. I'm not sure about what they're called in English but maybe something like "self tapering"... I'm sure someone else knows what I'm talking about.

R.G.

There is a variant of the blind rivet / pop rivet that sets a threaded insert. This insert can then be used to screw in a normal screw.
R.G.

In response to the questions in the forum - PCB Layout for Musical Effects is available from The Book Patch. Search "PCB Layout" and it ought to appear.

PRR

Sheet metal screws. Put a small hole through both halves. Then run a larger drill through the hole in the outer half. Drive screws.

The Pop rivets shown are "permanent", they don't come out without destroying them.

Threaded insert pops take machine screws and can be nearly infinitely re-opened.

Both *need* a Pop-Rivet tool, with is not so expensive, but out of line for a one-time chore.

Sheet metal screws will go in and out several times before the hole gets torn up. You can then use the next-larger size and get in/out several more times. As you won't be going inside very often (maybe never), that's an appropriate technology.

Sheet metal screws have big heads, a cosmetic issue.
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