Mini Table Saw v3 - Four Gears

Mini Hand Powered Table Saw v3 - Four Gears

This is the Four Geared version of my Mini Hand Powered Table Saw. The gear ratio is in this one is about 1:3 so for every turn of the crank you make, the blade will rotate 3 turns. It spins faster than the first two versions but it is not as strong and gears will pop out of place if it encounters too much resistance.

This version makes some improvements over the other two versions. By using four gears instead of just two, I didn't need to have one gear sticking through the top like in the previous version. The two extra gears are mounted between a special arch and one of the sides of the table. I also redesigned it so I could remove of all the outside washers where the cranks went through the sides. It is a much cleaner look.

Like the previous 2 versions, I printed everything without supports except the Crank assembly and the Top. My Monoprice Select Mini printer was even able to print the Table Bottom without supports, though just barely. Some of the layers began curling under before it was able to bridge the gap and close the tops of the largest openings.

The half circle opening in the Crank is the hardest to clean out. I eventually added a drop of glue to keep it on the Crank shaft otherwise it would fall off after rigorous cranking.

When attempting to cut something, the Table should be held in place with a small clamp or a second pair of helpful hands.

Check out the video to see it in action. https://youtu.be/9sZSOpMYHnE

You can find the v1 Direct Drive version here: https://www.thingiverse.com/thing:2430760
And the v2 Two Gear version here: https://www.thingiverse.com/thing:2430770