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18-08-2013 #1
Hello All,
I'm Paul but everyone calls me Greeny.
New poster, but been lurking on and off for quite a while now. I want to build a router for cutting Wood & Ali as a hobby.
Was going to build a Mechmate a few years ago but had to give up my rented workshop, so it got shelved.
Now I intend to build a more "garage friendly" machine as that's the only space available!
Been through a lot of design ideas, looked at alot of designs on here and that american forum etc.
I was recently heavily influenced by Jazz's Vertical router test thread.
My main design philosophy/goals are.
- Acccuracy as good I can make it.
- Over engineer when in doubt.
- Use the large amount of steel I have in the garage from my aborted Mechmate build. Also some electrical stuff Geckos , Bobs etc i bought.
- Mixture of Bolting & welding, but restricting welding to non critical areas due to me being a crap welder!
Overall machine size is 1500 wide, 2000 tall & 1350 deep. (I missed most of that off the Dims. Doh!)
Cutting area is 700 x 1580. Z axis travel is ~250mm.
The frame is steel made up of a mish mash of steel i already have.
The large channel is 200x75, most other stuff is 100x50x4 (channel & tube) & 50x50x3 tube.
The moving Y/Z axis which is the width of the bed is made up of 2 100x100x6 tubes with a full back of 6mm plate.
The orange base is epoxy/granite with steel inserts.
I intend to use gauge plate for the mounting plates etc.
Hiwin 30mm rais & carriages (over the top i know, but i have a stash of 6 of em i got cheap a while ago.)
Chinese 20mm ball screws.
For motors, i already have nema 34 3.9Nm steppers & gecko's
Its basically 5 parts. The big Y gantry, the two side frames,top stiffeners, all tied together using the epoxy base.
The moving X axis only has to deal with cutting forces, inertia and friction. Not it's own weight as far a deflection is concerned.
Ditto for the Z.
The only part fighting gravity is the Y. A small mounting plate for the spindle.
Here are some early drawings. I would be most grateful for any feedback & advice.
Don't be shy. You won't hurt my feelings!
Cheers
Greeny
Last edited by Greeny; 18-08-2013 at 02:38 PM. Reason: forgot Z axis travel!
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