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Scroll Saw Diaries #3: Disk Sander Mods

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Blog entry by twokidsnosleep posted 04-23-2013 02:54 AM 1321 reads 0 times favorited 4 comments Add to Favorites Watch
« Part 2: Shop Equipment progress Part 3 of Scroll Saw Diaries series Part 4: Happy Canada Day »

Last blog I mentioned I was making a disk sander re-purposed from a dental grinder.
It has been a real battle and I am almost there. Made new plywood disk and mandrel for better balance and to connect to this 1” motor shaft. Base made and she was up and running when the kids came home from school.
Enough talk, here are some pics

This is the dental model grinder used to make smooth and even bases and edges on stone tooth models

Taking it apart….a little brute force and a metal saw used on the outer cowling

Making a ply base and aluminum table recycled from a desk I think

Here is the base dry fit assembled with tape and a pic of the ply disk cut out on my band saw with a circle cutter jig. I changed the rear disk/mandrel from 5” to a 2” diameter as the big one vibrated way too much.

Trying to figure out how this will line up to the disk

Assembles something like this
I have painted the base black and attached a 120 grit paper with sticky backing to the disk. It runs pretty smooth, but I will bolt it down to a portable cart I have. I better make a cowling guard as my son is scared of this thing and I grazed my hand on the outer edge of the disk on try #1. Like to have a RHS guard and a table insert to use a miter gauge. I also want to make two other ply disks so I can quick change grits.
More pics when I get it all together. Darn I still didn’t take a scroll saw pic..next time

-- Scott "Some days you are the big dog, some days you are the fire hydrant"



4 comments so far

View Sodabowski's profile

Sodabowski

2028 posts in 1499 days


#1 posted 04-23-2013 07:55 AM

Oh yeah. I have one on my to-do list for this coming week too :)

-- Holy scrap Barkman!

View twokidsnosleep's profile

twokidsnosleep

1063 posts in 1640 days


#2 posted 04-23-2013 06:53 PM

Hey good to hear from you!
This was an 8 yr to do list and still not totally finished

-- Scott "Some days you are the big dog, some days you are the fire hydrant"

View pneufab's profile

pneufab

103 posts in 1746 days


#3 posted 04-24-2013 12:46 AM

Wow, awesome work so far!!

View twokidsnosleep's profile

twokidsnosleep

1063 posts in 1640 days


#4 posted 04-25-2013 05:19 AM

Thanks for the comment
I don’t know about awesome, I would give it a “utilitarian” label. But at least the thing is off the floor so I don’t hit my shins on it anymore.
It has been a fun project as it gave some spin offs like a circle cutting band saw jig…mine is super simple but incredibly useful and a heck of a lot of fun. The electrical work on another motor was also interesting, mostly b/c my 11 yr old son and I learned together.

-- Scott "Some days you are the big dog, some days you are the fire hydrant"

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