Aluminium profile cnc build

[Clive S]

In which point you would need more details? Just let me know. I tried to give screenshots of every important point, but if there is something you would like to see i can put them in here.

How about the whole frame structure, z axis and things like that?

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Do I detect sarcasm ?

So in my case i have it 10mm and attaching it to the other plate with M6 screws. Is that allright?

What is the other plate.?

Is your measurement just to the end of the key in the shaft?

http://cnc4you.co.uk/resources/Stepp...1B%203.1Nm.pdf

You don't give feedback

[valdis034]

No. No sarcasm at all i cant understand why you spoted it in there. It is all good! :)

My "other" plate is the one on which is going motors mounting plate and both of them are making 90 degree angle. And whole this assemble is mounted onto the leg.

About the shafts in my model they are the round ones whitout key. So i will go for the key shaft for longer shaft and better grip for grub screws.


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[JAZZCNC]

Valdis in Reply to your PM then can't see any major issues with the design. Couple of small suggestions but other than these nothing seriously wrong.

#1 I would brace the connection between bearing plate and gantry side.

#2 Would bring the rails on the Gantry to front slot to lessen the lever affect.

[valdis034]

Valdis in Reply to your PM then can't see any major issues with the design. Couple of small suggestions but other than these nothing seriously wrong.

#1 I would brace the connection between bearing plate and gantry side.

#2 Would bring the rails on the Gantry to front slot to lessen the lever affect.

#1 If I move rails to the front slot i will have bigger gap between gantry and Z axis back plate (at the moment it is 3mm) if I am using wide carriages. Maybe i could use the narrow ones the same like on Z axis?

#2 How i could brace that connection? I have some of these so i could use them.

They are 40x40 and 6mm thickness.

OR this version?

[JAZZCNC]

#1 If I move rails to the front slot i will have bigger gap between gantry and Z axis back plate (at the moment it is 3mm) if I am using wide carriages. Maybe i could use the narrow ones the same like on Z axis?

I was going from your pics which looked like wide gap between z rear plate and gantry profile. Without seeing better view then can't comment further.

#2 How i could brace that connection? I have some of these so i could use them.
They are 40x40 and 6mm thickness.

No wouldn't use those and would go with something like your second option.

[valdis034]

Here it is. Between narrow carriage and gantry profile side is only 2mm gap, and the same dimension for wide one is 11.5mm. So the question is if I benefit a lot from wide carriages?

[toenee12345]

Hi valdis34, can I ask you a couple of questions on the material suppliers?

Where are you getting your aluminium slotted profile from?

It says 'tooling' on the quote for plates, are they machining them to your drawings ie holes faces etc ?

Many thanks
Tony....

[valdis034]

Hi. There are quite a lot of companies here in UK which are doing extrusions. Did not buy them yet, but probably it will be company called Alprofil.

No, i will get all those pieces from the quote only cut to size, and will drill them myself. Aswell I will need some plates to be machined.

[njhussey]

Those Aluminium prices seem high, but I guess I'm used to prices from my local supplier Taybroh Alloys in Eastington, Gloucestershire...might be worth giving them a ring to see if they will send to you?

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[valdis034]

Yeah anything thats helps to reduce the price.. Found local machinist guy, so he will give me a quote for them in a next few days. Want to finally actualy start building it!

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