1220 × 2440 build

[JAZZCNC]

And how are the motors driving the x axis?

It's using rotating ballnuts which are fastened to gantry sides.
Could if you wanted use conventional ball screw setup but the end brackets would need changing and you'd fasten the ballscrews to profile using BK blocks.

[HullMark]

It's using rotating ballnuts which are fastened to gantry sides.
Could if you wanted use conventional ball screw setup but the end brackets would need changing and you'd fasten the ballscrews to profile using BK blocks.

Yeah I've just been looking at some of those ... what size rails and screws will i need, both 25mm?

http://www.mycncuk.com/threads/6997-...nut-Design-MK3

These seem fairly straight forward to put together

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[JAZZCNC]

Yeah I've just been looking at some of those ... what size rails and screws will i need, both 25mm?

Yes 25mm for both. Thou could actually get away with 20mm Rails if wanted but for the little extra then I wouldn't.

[HullMark]

Oh jeez I just worked out this base structure would weigh over 300kg!

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[HullMark]

Like this

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[HullMark]

Having considered the logistics and cost etc. I've decided to go with a smaller machine. This will fit in a brick shed that's already in my garden with ease. Should make things a lot easier and cheaper in terms of the build. 1220 x 1220 I can make work for what I want it for. Thanks for all the input so far from everyone it's been a lot of help!

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[malcolm01]

Having considered the logistics and cost etc. I've decided to go with a smaller machine. This will fit in a brick shed that's already in my garden with ease. Should make things a lot easier and cheaper in terms of the build. 1220 x 1220 I can make work for what I want it for. Thanks for all the input so far from everyone it's been a lot of help!

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Good idea mark! For a long time I thought I had built mine too big. 90% of the time I’m cutting stuff no bigger than A3


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[HullMark]

Good idea mark! For a long time I thought I had built mine too big. 90% of the time I’m cutting stuff no bigger than A3


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Thanks for the reply Malcolm. The way I figure it, if I build a smaller one with the same budget, I could make a better quality machine too. If I make it robust enough to work on aluminium, I'll be able to machine my own parts if I ever need to build a bigger machine.

It's looking like September will be when I start the actual build process. I'm hoping to have everything together by then so I can get it done ASAP, without any errors and not skimp on costs.

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[malcolm01]

Thanks for the reply Malcolm. The way I figure it, if I build a smaller one with the same budget, I could make a better quality machine too. If I make it robust enough to work on aluminium, I'll be able to machine my own parts if I ever need to build a bigger machine.

It's looking like September will be when I start the actual build process. I'm hoping to have everything together by then so I can get it done ASAP, without any errors and not skimp on costs.

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Sounds like a plan pal


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[GrahamWhite]

I'm in exactly the same position as you are in that I want an 8x4 router for full sheets.
Looking around I decided to go with a Joes CNC hybrid design- comes in around the 2-3K price or more! ,all upgradable from the basic model which starts out with a mix of materials -MDF ,HDPE ali and steel , right up to his new design which is called the evolution 2.0 which is all made from 20mm plate aluminium.
It is a paid for plans/forum which I have bought but you do get access then to all the upgrades available.
I have my base made now and just waiting on my aluminium profile rails to get started on the actual machine.
I will post up my build on here in case anyone would be interested.