Shapeoko 3 - 4' x 4' - Prototype #1

chamnit
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Re: Shapeoko 3 - 4' x 4' - Prototype #1

Post by chamnit » Thu Oct 01, 2015 3:52 pm

WillAdams wrote:Interesting. I’m kind of surprised at where the bends are in the front/back plates — is there some reason not to just get longer versions of the current style? Seems to me that would be more resistant to bending / twisting / racking.
The smaller version only has MDF to help hold the shape, so the bend along the front and back rails are needed. For this larger version, the 80-20 frame extrusions will provide the needed structural depth and will help mitigate any twisting or racking up to a point. Probably good enough for most things like routing wood panels. But the great thing is that it's an 80-20 frame. You' be able to easily attach rigidizing components or to a solid table/surface to help stiffen it more.

At some point there is a cost trade. Add more material or design features, the more expensive it'll cost for both the manufacturer and consumer. This design looks like a great start to me. Given that the 80-20 makes it really adaptable to most situations or requirements.

rtlflatt
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Re: Shapeoko 3 - 4' x 4' - Prototype #1

Post by rtlflatt » Thu Oct 01, 2015 4:36 pm

Are the so3 steppers powerful enough to effectively move the extra weight around or would more powerful ones be recommended?
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Brian Stone
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Re: Shapeoko 3 - 4' x 4' - Prototype #1

Post by Brian Stone » Fri Oct 02, 2015 12:39 am

Looks awesome so far. I hope you guys stick with aluminum extrusion to space the two steel sides for size flexibility, or offer some other dimension options. I can't fit a 48" square machine on my bench, but I can fit a 48"x24" machine pretty comfortably. I'd love to able to cut quarter-sheets of plywood.
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Damin69
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Re: Shapeoko 3 - 4' x 4' - Prototype #1

Post by Damin69 » Fri Oct 02, 2015 12:43 am

Looking good.. That would be a nice size set up.
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WillAdams
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Re: Shapeoko 3 - 4' x 4' - Prototype #1

Post by WillAdams » Fri Oct 02, 2015 12:49 am

Yeah, I’m really hoping for kit options which will expand only the X or the Y-axis — there’s no way I could find room for this size machine, but one extended only along the X-axis would be workable, though I must admit that the bent steel front and rear plates have really grown on me aesthetically, and I’m curious how they would work in this length and what the cost would be and how much additional support they would need.
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TomO
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Re: Shapeoko 3 - 4' x 4' - Prototype #1

Post by TomO » Fri Oct 02, 2015 1:00 am

Looks great. Maybe I'm greedy but I'd love to see a 4'x8' option - no space concerns for me.


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WillAdams
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Re: Shapeoko 3 - 4' x 4' - Prototype #1

Post by WillAdams » Fri Oct 02, 2015 1:05 am

Not greedy at all — that was one of the popular size options.

Bummed that it’s not looking good for a machine w/ a 5'x5' working area though.
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Georgei
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Re: Shapeoko 3 - 4' x 4' - Prototype #1

Post by Georgei » Fri Oct 02, 2015 9:49 am

I think what has made popular the Shapeoko2 was its modular design.
You could make it whatever dimension you wanted according to your needs.
Unfortunately this has been lost with the Shapeoko3.
It might be a great machine but due to the frame design is not any more as flexible (regarding the dimensions) as the Shapeoko2.

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Re: Shapeoko 3 - 4' x 4' - Prototype #1

Post by WillAdams » Fri Oct 02, 2015 10:31 am

It’s just as flexible, it’s just that the rail is currently only available in a single size w/ a single sort of kit. (And one doesn’t have the option of falling back on a standard extrusion for structure and adding V-rail to it)

The SO1/2 were only more flexible ’cause rail was available in multiple sizes from the machine’s inception (though I’m still bummed at not getting it when 1.2M lengths were available). (And one could always use standard extrusions as noted above).

Unfortunately, a small self-funded company can’t do all the things which a larger one w/ millions of dollars of venture capital can. This limited availability is a temporary thing, which I hope we can all work through together.
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BellyUpFish
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Re: Shapeoko 3 - 4' x 4' - Prototype #1

Post by BellyUpFish » Fri Oct 02, 2015 6:47 pm

TomO wrote:Looks great. Maybe I'm greedy but I'd love to see a 4'x8' option - no space concerns for me.


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Color me greedy. I'd love a 4x8.

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