Congratulations/Sorry...

...all that candy and you got a key-chain bottle-opener.


If it makes you feel any better, it's machined from 6Al/4V Titanium alloy (also called Grade-5 Titanium).

Please don't be insulted by the inclusion of the following instruction diagram.



I had promised myself that I wouldn't machine bottle openers... it bothers me that it seems to be a common first machining demo.

I promise myself a lot of things.

Is opening a bottle really that much of a challenge for the human race to overcome?
I didn't have a bottle to test it, so... maybe*?


This was as much a tooling and methodology test as anything else.



Titanium produces extremely bright white sparks if you touch it to a running grinding wheel.
There is a little mark (the red line in instruction sketch) where I've already played with this.

Please note that Titanium heats up surprisingly fast but doesn't transmit heat well at all.
It can be ready to catch fire at one end and still be cool to the touch at the other...
...even on a piece this size.

Only do the spark test for a couple of seconds at a time.

Once metal ignites, it can be difficult to extinguish.