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Been distracted, but I'm back . Lost a year.https://www.cnczone.com/forums/attachment.php?attachmentid=432660&stc=1

The photos are blurry.

Yes both skins will be 1/4" 6061 plate.

West System Q Flex Epoxy. West System Used to recommend their aluminum etch solution prier to developing the G Flex products they remove the etch from the market because they achieved 2600 pis...

When you compare stiffness there are many aspects that have to be considered. In every case sandwiched construction is lighter and stiffer than uncored structures. The final product is going to be...

It has evolved.

LOl are you saying I should shut up and just build this thing? I tell you this last couple of weeks has been full of surprises, and most of them have been very costly.

I may start a new thread. The machine has experienced extreme design and cost creep. What started out as an exercise in building an inexpensive "good enough" machine, has turned into several...

I've had a life time of experience working with composites. I've made them considerably stronger than it would have been possible using the same weight in "Real Metal" (aluminum).
As it turns out...

I've built several structures using both carbon and glass. Carbon is mostly useful in high load areas. The webs would not be laminated. They could just be plywood with colloidal silica filled...

Sorry my previous responses are a little out of context. The weakness I referred to was about the round rails.




It was too thin, I fixed that.

This project is really about Fiber Glass,...

I'm switching out the SBR20s on the Z and Y axis to EGR25s plus I added 100mm to both so I can have some extra space between the blocks.
Images coming.

The collet can touch depending on how you have it mounted. Drawing are coming soon.

This keeps getting better. I opened the package and what do you think I found? LOL
Flex couplers equivalent to something you might find in a printer.

The ones I just order are rated for 12.5...

I agree with you guys 100% about this not being strong enough. The system is way out of balance. The problem is the budget. The saving grace is that this is a very small machine.

I just will...

The Table will be a wood product composite, that I will do a report on during the construction phase. The Gantry will evolve into a molded, cored, Fiber Reinforced Epoxy, which will be fiber glass...

Well, here is the concept model.
...

Thanks Gerry,

I couldn't agree more. But this little machine is going to be used primarily for making wood signs. I am going to try cutting some aluminum as a test of accuracy under heavier...

I couldn't tell you why. Maybe I just like to do things the hard way, maybe I like the looks of things built with composites.

Maybe, we'll see, if I'm just another dreamer.

Standard Chinese...

Thanks for the tip,

As you well know, Unregulated Power Supplies can momentarily go beyond their rated output. These claim 200% for a few minutes. This will allow for a smaller one to be used. ...

Any one have a suggestion for an inexpensive power supply.

I would like a 48 volt through 60 volt 30 amp or so.

Thanks

Al the stuff is ordered.

I watched a few videos. And after viewing them I decided to build a small CNC before I make the large one.

In the second video in the series he reached wiggled it.
...

Has any one tried one of these?
...

Thanks Gerry and Robert,

That last part, whatever I am "familiar with". LOL, What I'm familiar with was used by dinosaurs. In the late 90s I converted a 54" knee mill to cnc, including replacing...

I'm building a 4 axis router. The long axis is currently slated to slave two motors. The forth axis will be in the form of a lathe. What would be your solution for this. Cost is a serious...

Thanks

Thank you, that is the kind of information I am looking for.

Has that changed? Are you still not using Mach4?