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ljoe1969
10-16-2003, 08:18 PM
Hi all.

I am now working on a set of plans for a homemade CnC router.
I want it to have a cutting area of 24" x 36". I am gonna use 175oz/in stepper motors.

I am planning on using rails down the sides of the table for the Gantry to ride on the x - axis. The Gantry will have v-groove bearings to ride on the rail 2 on top of the rail and one below the rail.

Anyone made a table this size?

I would appreciate any ideas anyone can give me.

I will post the plans as i can.

balsaman
10-16-2003, 08:39 PM
My table is that size. Best of luck with the project!

Eric

ljoe1969
10-16-2003, 09:33 PM
cool. My boss's name is Eric.

Tell me about your table. The bearings and things you use.

balsaman
10-17-2003, 12:43 AM
Have a look here. It's all there.

http://www.cnczone.com/showthread.php?s=&threadid=646

Eric

ljoe1969
10-17-2003, 09:57 AM
HERE IS THE TABLE AND GANTRY.

balsaman
10-17-2003, 12:31 PM
What material will you use? MDF?

Why is the table so tall?

Looks nice so far!

Eric

ljoe1969
10-17-2003, 01:38 PM
MATERIAL: Probably a combination of MDF and Plywood.


Table Height: Thats just the way it came out. Its gonna have the drive screw going underneath the table in the middle.

The gantry is gonna ride on rails on the outside of the table. With a V-groove bearing on top and bottom of the rail. That's why it came out so high.

ezland00
10-19-2003, 12:40 AM
What 3D program can i use to gram artworks? Any free ones?

ehiebert
10-19-2003, 01:56 PM
Hey Little Joe,

Just one comment..... if you put the linear rail on the upper side of your baseframe instead of the lower side it will reduce the sway in the gantry.

Also, have a look at ChuckKnight's thread on his wood/mdf router. It has some good pictures and stuff.

Eldon.

ljoe1969
10-19-2003, 09:11 PM
i can't find that thread.

High Seas
10-19-2003, 10:17 PM
http://www.cnczone.com/showthread.php?s=&threadid=1212
I think thats it
Some great ideas and work in mdf
:cheers: Jim

ljoe1969
10-22-2003, 09:34 PM
hi

i got a project i need a cnc to do. i want to take some kitchen cabinet doors and do some inlay in them. kind of like intarsia.
the cabinet doors are about 17" by 22"

this is the intended purpose of the cnc i have posted here.

does anyone have any possitive comments / suggestions?

balsaman
10-22-2003, 11:43 PM
Looks good to me. Get some MDF and start cutting!

Eric

ezland00
10-26-2003, 12:52 AM
does lowes carry MDF boardS?

Mr.Chips
10-26-2003, 01:32 AM
They sure do.
Hager

chuckknigh
10-26-2003, 10:10 AM
At mine, it's in the same aisle as the plywood, at the edge of the lumber department. Easy to find.

-- Chuck Knight

ljoe1969
10-27-2003, 09:09 AM
here is the latest revision to my plans.

notice i moved the rails up. and also notice that i added the rail alignment blocks.

High Seas
10-27-2003, 09:59 AM
Ljoe - I'll keep watching and waiting to hear/see how you handle the spindle/router between the rails on the y axis.

Access to the collet and all were my concerns when I was considering a similar approach.

It does look sturdy though!
:cheers: Jim

Mr.Chips
10-27-2003, 03:06 PM
Joe,
In some of my brain storming on paper I thought about a pivot up router. Using a hinge to pivot it up between the rails and a couple of wingnuts to lock it in the down position.
Like I said it's brain storming, not necessarly good.
Hager

Mr.Chips
10-27-2003, 03:16 PM
Joe,
Good out of the box design.
Currently the angle iron is mounted to ears on each side, It might be stronger to eleminate the ears and make the end pieces the same width all over. MDF doesn't have any grain like wood so it can brake.
Hager

ljoe1969
10-27-2003, 06:30 PM
currently my builiding material is gonna be .75" 7 ply oak veneer plywood.

ljoe1969
10-31-2003, 11:09 AM
here is an exploded assembly of the table frame.

ljoe1969
11-12-2003, 08:35 PM
hi. i just got my xylotex doard and motors and fan. now it came with the cables for the motors.

anyone wanna tell me how to wire it up? what color wire goes where. etc...

ljoe1969
11-13-2003, 09:12 AM
HI. TODAY IS NOV 13 2003 AND I JUST GOT MY XYLOTEX DRIVER BOARD AND MOTORS.

IT WILL PROBABLY BE AFTER THE FIRST OF THE YEAR BEFORE I CAN RESUME CONSTRUCTION. WITH CHRISTMAS COMING AND ALL.

BUT I AM GONNA BE PLAYING WITH THE MOTORS AND SOFTWARE TIL THEN.