1257 teaser 1

http://www.ucnj-tech.org/albums/BW32005/IMG_2193.sized.jpg

What is he grinding and why?

(Yes, I know half of you already know. I can’t keep my mouth shut.)

Because he could?

He is grinding something down because that part needs to be grinded?

<comment about machining>
He does have a safety goggles on. But he isn’t safe. He is sitting comfortably on the table and trying to hold a small piece that he is grinding down. Do you know that a small mistake can make him lose a finger? I would like to encourage every single person to be safe when they are using a machine in the shop (everyone who reads this). Thanks.
</comment about machining>

Yes, sitting down with any type of powered tool is bad. Also, the grinder does not appear to be mounted to the bench, and it is surrounded by excess “stuff.” I don’t want to be the “downer” on this picture discussion but I’m seeing some things that are generally not good/safe shop practice.

Ya, actually my mom was from Thailand and when she was in college, this one guy, a really stupid senior, was using the grinder and something got stuck inside of it, so he stuck his hand inside of the grinder :ahh: , *with the cord still plugged into the wall :ahh: * and took the thing out that was inside jamming it, and so it started to spin again…And well…finger stuck inside grinder…i think you know what would happen…3 fingers :ahh: …so ya…just a warning. But always try to be safe when working with power tools. No one on our team has lost a finger or done anything like that, but I’m still precautious around power tools because of that story my mom told me.

looks fammilar, we used a dremel last year…
http://img.photobucket.com/albums/v36/UHSrobotics/IMG_0111.jpg

The dust dremels kick up is nasty. I was dremelling about two days ago and I still have bits of aluminum and bits of dremel bits stuck in the back of my throat… It is not a fun experience. I recommend wearing a dust mask or a resperator (like the kind one would use for painting). It just makes life… better.

Not exactly the same, Andrew Rudolph… We are going for a bit more of a significant change.

Using the grinder would suggest that they are modifying the metal part of the wheels, not the rubber/plastic(?) rollers.