Removing rust with a Sandblaster

rick-in-seattle · #1 03-03-2005, 06:57 PM

These are pictures of one-of-six tools that was sandblasted.
I believe I can repair them.

Mike_B · #2 03-03-2005, 07:19 PM

It looks to me like the damage is more from the rust than the sam\ndblasting. What do you think?

Mike-in-WV · #3 03-03-2005, 07:20 PM

Rick, I think I would have bead blasted them to clean off the rust instead of sand blasting.

I know you can sharpen them and restore the edges but how are you going to repair the pitting? They look to deep to buff out. Mike

DiamondWillow · #4 03-03-2005, 08:26 PM

Rick

It looks more like you are a magician than a sharpener....

Gene

rick-in-seattle · #5 03-03-2005, 08:56 PM

No magic, you have probably heard the saying "getting to the bottom of it"?
That is the key, on the inside surface the pitting must be removed to the depth of the deepest pit.

The outside is ground to smooth the surface; the depth depends on the remaining metal.

The tools then require annealing and re-heat treatment to relieve the stresses created from blasting.

Once the tool is tempered, it can be polished and sharpened.
*************************************************
I finished the one in the picture, it is just like new. I couldn't get a picture since I use natural lighting and it is now dark outside; maybe tomorrow.

big_Wayne_P · #6 03-04-2005, 12:59 AM

I agree with Gene

Rick you are a magician

rick-in-seattle · #7 03-04-2005, 02:09 AM

Mike_B,
I believe you are correct about the rust doing the majority of the damage.
As I removed the blasted surface, there were deeper pits of rust below that.

I was able to finish all of the tools except the V-tool; I will finish that when I get off work at 6:00 am. If Theresa doesn't ship them out Friday morning, I will try to get a picture of the finished tools later in the afternoon.

AlArchie · #8 03-04-2005, 08:29 AM

Rick, you actually FIXED those tools? You are far more than a magician, they only deal in illusion, you are a true wizard! Or maybe an angel.

Al

rick-in-seattle · #9 03-04-2005, 08:48 AM

Al, now that is stretching it a bit.

It isn't as difficult as you might think;
on the other hand, it isn't as easy as I make it look.

squbrigg · #10 03-04-2005, 09:00 AM

Well done Rick. Damm shame though for tools to end up in that kind of shape. Sandblasting can be helpful removing rust from things, but I've never heard it used "successfully" on woodcarving tools. Car rims, ya.....but a 1/2" #5 gouge????? For the lack of a wipe with some oil once in a while.

Bob