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Yoddha - the huge difference is whether you want to build 1 machine for yourself - or whether you want to build a series of machines.
We can talk endlessly about the advantages of cheaply pouring...

Measure stiffness of it with a dial gauge each time on another part of the gantry. From a video you can't see much anyway - you need to measure it.

Posting over month old with lots of questions. Note i'm no expert at all on steppermotors.

As for the forces. Things depend of course upon acceleration a lot and the milling spindels forces you...

Yeah we fully agree upon the ideal situation, which is why i got something that's 380 volt and a bunch of kilowatts.

Yet he could buy a kress spindle which has very little runout and weighs 1.4 -...

Andrew - we fully agree - the problem when you want to cut sheets is of course that if i take aluminum here in Netherlands. If i buy in small quantity of aluminium plates 1x1 meter the price is 4...

Aloha!

Old thread - month ago you posted question - yet let me drop a few coins.

It's possible to buid a reasonable gantry that works on steel. The whole thing is about how much time you want...

oh by the way - i avoided the usual ball screw discussion.

If you manage to build an accurate steel (with or without epoxy concrete) structure that is very flat.
You might consider putting high...

Oh milling it at 0.01 mm accuracy is no problem of course if you construct machine well yet odds you manage that without spending first 50k euro and years of experience is of course complicated....

the 3ds free thing you referred to just works for 2d, as it clearly states at the 3ds homepage.
So can't build a 3d thing with it :)



Note the '2D' and also the 'internet required' :)

Of...

You are mentionning software that in order to be able to build a CNC machine in that software, i need to pay 5k+ euro or so.
That's not 'cheap 3d software'. I can buy a 2nd hand EDM machine for the...

Yeah not gonna be EDM, let's just rotate something real fast and see how much damage it can do :)

I guess the 2d version of 3ds ain't gonna do the job of designing a 3d version of the CNC.

Did...

Free CAD software * for your DWG files: DraftSight - Dassault Systèmes

"A free standalone, professional-grade 2D CAD product to create, edit and view DWG files."

Do i assume it correctly that...

hi All,

Looking for some feedback on software with the intention that i want to use it to build a CNC machine.

Right now looking for the best (near to free) software to do that. So far i...