Instructables

Shop Made Sanding Disc Arbors

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Picture of Shop Made Sanding Disc Arbors
Yesterday I uploaded a Photo Album of the sanding arbors I was making. Today due to the popularity of that I am posting a detailed step by step article of the same project. I'll add the holder I made for it as a special bonus feature at the end too.
 
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Step 1: Tools and Materials

These are the tools I used. If I had a metal lathe I would have used it instead.

Milling machine used as a drill press
Multipurpose Vise
Letter Q twist drill
3/8" X 24 TPI tap
Tap handle
5/8" combination wrench for arbor bolt
3/4" & 7/8" wrenches for T slot hardware
Plunging Wood Router
1/4" spiral up cut router bit
#24 twist drill
3/8" twist drill
9/16" paddle bit
1/4" end mill
45˚  countersink
bench grinder
hack saw
Phillips Screwdriver
6 inch calipers
Combination square
Pencil
Compass
Craft knife
Center Punch
Transfer Punch (see text)
Hole saw (see text)
Hat pin

Materials
a piece of Melamine, or MDF large enough to cut (4) 6" diameter circles out of
a small scrap of hardboard (to make the router trammel out of)
an 8D nail for the trammel pin
1/2" OD heavy wall pipe (the pieces I used are about 10" long)
3/8" X 24 TPI bolts about an inch long
2 washers that fit snugly on 3/8" bolts for each arbor made
6" PSA sanding discs assorted grits
80 grit sanding belt

That is about all I can think of now.
alpadfer2 months ago