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My Home Made Thickness Sander #5: Mounting The Drum And Motor

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Blog entry by lew posted 922 days ago 4840 reads 1 time favorited 5 comments Add to Favorites Watch
« Part 4: Building The Frame Part 5 of My Home Made Thickness Sander series Part 6: Mounting The Table »

Time to mount the drum and motor to the frame. The choice of 2×6 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 bearings will set on the plate, not the wooden surface. Again, my hope is to improve stability.

I was afraid that the soft pine might crush enough to allow the bolts to spin during tightening. Once everything was dry fitted, the bolt heads were Gorilla Glued to help prevent them from spinning.

Finally, the aluminum plates are placed in position- ready for the drum to be bolted down.

The motor is mounted to a piece of 3/4 “ plywood. The plywood is fastened to the frame using small “barn style” hinges at one end of the plywood. The weight of the motor creates the tension on the belt/pulley system. I routed slots for the motor mounting bolts in order to be able to adjust the motor side to side to align the belt/pulley.

Had to buy 4 carriage bolts and nuts

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.



5 comments so far

View DIYaholic's profile (online now)

DIYaholic

12955 posts in 1277 days


#1 posted 922 days ago

I like the addition of the aluminium plates for the pillow block bearings!

Keep on posting, I’m following you.

-- Randy-- I may not be good...but I am slow! If good things come to those who wait.... Why is procratination a bad thing?

View Karson's profile

Karson

34861 posts in 3003 days


#2 posted 922 days ago

Lew:

I’ve used that belt tightening arrangement before also. It works great.

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Southern Delaware karson_morrison@bigfoot.com †

View lew's profile

lew

9953 posts in 2358 days


#3 posted 922 days ago

Randy, Karson- Thanks!

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

View ChrisMc45's profile

ChrisMc45

94 posts in 1462 days


#4 posted 920 days ago

nice clamp pads on the pipe clamps, they look like material from a cutting board. I also like the PVC sleeves on the pipes, prevent the dreaded black marks, I am going to add that idea soonest.

View lew's profile

lew

9953 posts in 2358 days


#5 posted 920 days ago

Chris-
That’s exactly what they are! A friend is the owner of a restaurant. The old cutting boards make great glue up tables, too!

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

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