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Thickness Sander

A blog by lew in General

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    9

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    4,312

About this blog

My shop build thickness sander.

Entries in this blog

Part 9- Finishing Up

Better add some sort of dust collection to this thing before I do anymore testing! This is what the finished “hood” looks like- (in place,top view, underside)         Had the ½” plywood from another project. This is just a simple box. I wanted some way to hold it in place and be able to remove it without tools. Made two brackets from 1” aluminum angle “iron” to catch one side and some button magnets for the other side. Dust collection is a 2 ½
lew
  • lew

Part 8- Some Refinements

Most of the photos used for this part of the blog were taken “along the way.” As with everything made in my shop, there are always changes, modifications and “S**t! I should have….”.  The first thing was when Mimi passed by and said, “it’s nice but where are you going to put it”? Anyone who has been in the shop knows you need a road map and a course in choreography to get around all of the stuff crammed in there. OK, we are gonna need some wheels to move this thing out of the way. (whe
lew
  • lew

Part 7- Adding The Sandpaper

It was finally time to add the sand paper to the drum. Having decided on a Velcro (hook and loop) system, it was off to Super Grit http://www.supergrit.com/ . Their store is only a half an hour drive from here. The hook portion required 5 feet of material. This PSA stuff is 4” wide and is $2/foot. Also bought 3 different grits of the 3” wide loop paper. Their minimum purchase is 3 yards but at between $1.50 to $2.00 a yard it is reasonable. It took about 73” to wrap the drum but I think I can ge
lew
  • lew

Part 6- Mounting The Table

The final major part of the assembly is the table. The piece of ¾” Melamine is from the scrap box at the local Vocational School and the piano hinges are pieces left from a project made for my brother in law. The top is reinforced with a frame of ¾” plywood on three sides and a 1” piece of oak on the hinge side. (top and bottom w hinge)       The hinge is then screwed to a mounting/adjusting bracket that fits between the two sides of the frame. A slotted hole
lew
  • lew

Part 5- Mounting The Drum And Motor

Time to mount the drum and motor to the frame. The choice of 2 x 6 sides was made to hopefully eliminate any flexing when work pieces were in contact with the sanding surface. However, that lead to difficulty in figuring out how to be able to mount the drum bearings to the sides. Long carriage bolts can be expensive! The sides are counter bored about 3” and then drilled to match the bolt diameter. An area around the mounting surface was mortised for an aluminum plate. The pillow block beari
lew
  • lew

Part 4- Building The Frame

Now that the drum runs true and the table lift works, it was time to start building the frame. My intention was to use mortise and tenon joinery but my choice of material was 2 x 6 for the top and bottom of the sides. This was larger than my mortiser could handle. I know, I could have chopped them out by hand. I opted for half lap joints. The overall width of the frame is 23” and the table height is about 31”. The length, at the bottom, is about 36”. The table is 16” x 24”. The frame is mad
lew
  • lew

Part 3- Table Adjustment Mechanism

After researching many sander designs and knowing my tendency to over engineer everything, there was only one choice for the table adjusting/lifting mechanism. The source of the lift came from this site and I give the author full credit- http://home.mchsi.com/~woodywrkng/DrumSander.html. The only change/addition I made was to add springs the help eliminate any “backlash” in the movement. The author of the site felt this mechanism gave more support over the full width of the table. The
lew
  • lew

Part 2- Testing The Drum

After building the drum, a test was in order. After all, if this part didn’t run true there was no sense in moving forward. Using a piece of Corian, the motor and drum were clamped down in position. The motor is a 120v 1/3 HP motor salvaged out of our old furnace. The belt is the one from my table saw- a link belt replaced it.   (fire in the hole and Test 2)       With some anxiousness, power was applied. Holy Cow, It Worked!! The pulley ratio
lew
  • lew

Part 1- The Drum

When making my rolling pins, I use the thickness planer to bring the thin strips down to 1/8” thick. Unfortunately, if the grain in the wood is not uniform- or there are knots- the strips shatter. This wastes a lot of wood and doesn’t do the planer any good either. It seemed to me a thickness sander would be perfect for this process. Well, Craig’s List wasn’t producing any results and I couldn’t afford a new one. Time to take action!   Starting with what seemed to me to be the most cri
lew
  • lew

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