1000mm Y and double X

discussion of design changes / improvements / suggestions
Improbable Construct
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1000mm Y and double X

Post by Improbable Construct » Tue Jun 12, 2012 4:20 am

My Makerslide was delivered on Friday.
So today I got busy, milled my final fathers day sign...
and then tore my ShapeOko apart.
I cut one 2000mm piece of Makerslide in half to use for the Y axis rails.
ShapeOko 026 (Large).jpg
ShapeOko 026 (Large).jpg (80.97 KiB) Viewed 6595 times
ShapeOko 027 (Large).jpg
ShapeOko 027 (Large).jpg (88.79 KiB) Viewed 6595 times
I have the belts run but not the wiring.
I also used two pieces of Makerslide for the X axis.
If it works out like I hope it will add a lot of stiffness to my Z axis. It already seems good.
ShapeOko 028 (Large).jpg
ShapeOko 028 (Large).jpg (67.33 KiB) Viewed 6595 times
Shapeoko #Classified some of the bolts may be original parts.
Shapeoko 1 # ???? Stainless plates, still in the box.
Shapeoko 2 # 3926 not stock
Shapeoko 3 # 0003
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Improbable Construct
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Re: 1000mm Y and double X

Post by Improbable Construct » Tue Jun 12, 2012 4:31 am

ShapeOko 029 (Large).jpg
ShapeOko 029 (Large).jpg (80.51 KiB) Viewed 6595 times
I have a 1200mm piece of Makerslide also.
I am not sure if i am going to cut it in half and go with 1000mm x 600mm or if I should order another 1200mm.
Updates to follow when I get it cutting. :)
Shapeoko #Classified some of the bolts may be original parts.
Shapeoko 1 # ???? Stainless plates, still in the box.
Shapeoko 2 # 3926 not stock
Shapeoko 3 # 0003
Store:
http://ImprobableConstruct.com
Twitter:
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Tom Smith
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Location: North Vancouver, British Columbia

Re: 1000mm Y and double X

Post by Tom Smith » Tue Jun 12, 2012 6:26 am

Now that looks sweet! I haven't got my extra maker slide yet, nor am I sure what to do with it when I do get it, but your first mod (the extension) looks like a good use of 2 metres of makerslide!

Tom
_______________
ShapeOko1 191

nio
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Re: 1000mm Y and double X

Post by nio » Tue Jun 12, 2012 9:20 am

Awsome, looks great!!!! my maker slide is at custom, so in a few days i've got it... the big problem will be when my wife sees the new dimensions jajaja!!!

CptanPanic
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Re: 1000mm Y and double X

Post by CptanPanic » Tue Jun 12, 2012 10:48 am

Looks good. I also received a 2000 and a 1200 piece. But I was thinking of doing y=1200 x=800

JCPhlux
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RE: 1000mm Y and double X

Post by JCPhlux » Tue Jun 12, 2012 12:05 pm

Hmm guess I could give up my spot in the garage to do that. The wife would not be happy. She is starting to hate the name ShapeOko ;)
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DukeA42
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Joined: Fri Jun 08, 2012 1:33 pm

Re: 1000mm Y and double X

Post by DukeA42 » Tue Jun 12, 2012 1:34 pm

I like your X Gantry solution. I think it will help solve the problem I proposed on reaching a 4ft cutting length. Glad to see another trying to go big!

Max Metz
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Joined: Sun May 20, 2012 11:55 am

Re: 1000mm Y and double X

Post by Max Metz » Tue Jun 12, 2012 3:59 pm

As the machine grows you might consider using a small hollow core door as base, hollow core doors are basically a composite torsion box making them very strong and light. Here in Australia such doors are very cheap - ply both sides of a frame filled with an on edge paper honeycomb glued to the ply top and bottom. Its a brilliant structure, only about $40 here in Australia.

As I am new to CNC I am not sure of the mechanical strength of the belt system, if the belts could handle the weight of the x & z axis hardware, a vertical mount to a door would save a lot of workshop space for a large rigid build. For a screw based system the weight should not be a problem and neither would the long y axis backlash as gravity would take care of that.

One would have to secure the build to the outside door frame itself (usually hardwood) where the hinges and other door furniture is designed to be placed.

As for the x- axis rigidity, in building to make a cheap rigid beam, a thin sheet of steel is placed between two wood beams like a composite sandwich then the three layers are bolted together - its called a flitch beam. The wood adds the rigidity (against buckle and twist) while the thin steel plate takes the load as if it had a far greater cross section. Similarly with your double extrusion x axis, placing a thin steel plate between the two then bolting the three layers together should add to the strength enormously.

Will Winder
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Re: 1000mm Y and double X

Post by Will Winder » Tue Jun 12, 2012 4:27 pm

This is the mod I've been wanting to see for a while, looks great! I especially like how you reused one of the Y rails to stiffin up the gantry.
ShapeOko #367: Dual-Y drive, Belt on outside, 1000mm Y-Axis, DW660 Spindle, Nema-23 X/Y motors.

Primary developer on Universal Gcode Sender.

levlandau2
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Location: Minneapolis, MN, USA

Re: 1000mm Y and double X

Post by levlandau2 » Sun Jul 08, 2012 8:51 pm

Improbable Construct,

This is a great design and gives a preview of the awesome scalability of ShapeOko. I really like your double-makerslide x-axis (if only makerslide did not have a 45 day lead time....). How did you attach the second makerslide to the x-axis?? It is not clear to me from the pictures above and I am wondering how you did this? It doesn't seem that there is enough room on the motor mount plate for a second makerslide to fit....


I am thinking this would be the ultimate ShapeOko build:
1) ~1200mm x ~1200mm working area (using 1200mm makerslide)
2) double x-axis makerslide rail to stabilize the z-axis and spindle
3) Edward's x-axis plate upgrade
4) belt on outside mod link
5) dual motors on y-axis
6) vacuum hose holder attachment

Yes, that should do nicely.

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