Undertaking a project like this requires some fairly specialized tools. So, yesterday I took my Harbor Freight coupon down and purchased a blast cabinet. What is a blast cabinet you ask? Well, it is where you put smaller parts to media blast the gunk off of them. Your can use different types of media from sand to crushed walnut shells to soda. I wanted to go with walnut shells, but they didn't have any. So, I wound up with soda. You've heard of baking soda? Pretty much the same thing, in fact this had the arm and hammer logo on it.
So, I started with a big box of parts and a couple of hours later it looked like this.
You stick your part in, close the door, turn on the compressor and shop vac attachment to take care of dust and you're ready to start. You stick your hands into the two holes you see there and there are gloves on the inside. Then, you look though the glass and blast away.
Here are two parts. One has been blasted and the other has not. Can you tell which one is which?
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