1.2m x 0.6m plasma, <£2k questions!:

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05 Jun 2020 15:44 #170261 by WinstonTodge
9.6 cubic feet per minute is 270 litres per minute @70 psi!

And the cutter that Clive linked requires around 100 lpm at 4.5 bar, so we should be okay. :)

C.

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05 Jun 2020 21:11 #170280 by WinstonTodge
Would you recommend the CROS-ARC 40?

I'm looking at ordering one this weekend. :)

Do you think a machine torch is essential or a luxury? Packaging is obviously much nicer! But functionally?

Ta! C.

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05 Jun 2020 21:21 #170284 by tommylight

Do you think a machine torch is essential or a luxury? Packaging is obviously much nicer! But functionally?

On a machine the functionality of the machine torch is why it was made so.
With a hand torch the protruding side will always get stuck on something, to much weight on one side of the Z axis might tilt it so the cuts end up worse, no way of aligning it properly without a fixture.
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05 Jun 2020 21:45 #170285 by Clive S

Would you recommend the CROS-ARC 40?

I'm looking at ordering one this weekend. :)

Do you think a machine torch is essential or a luxury? Packaging is obviously much nicer! But functionally?

Ta! C.


I am happy with the cutter and glad I got the 80A machine torch. I will dig out the model tomorrow. A Hypertherm 45xp would have been nice but it is 3 times the price.

Funnily enough I am helping somebody set another machine up with one of those and is on route to me.
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05 Jun 2020 22:00 #170288 by WinstonTodge
Thanks Tommy!

Where do people in the UK source rails and carriages? Any recommendations?

C.
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05 Jun 2020 22:51 #170294 by WinstonTodge
The plasma itself is still only 40A though? So the machine torch @ 80A only runs at 40A with this unit?

I've just sent WeldersWarehouse a couple of questions on it too! :)

C.

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05 Jun 2020 22:54 #170295 by tommylight

The plasma itself is still only 40A though? So the machine torch @ 80A only runs at 40A with this unit?

Yes.
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06 Jun 2020 07:25 #170317 by Clive S

Thanks Tommy!

Where do people in the UK source rails and carriages? Any recommendations?

C.



Ball screws and rails:- Fred Lee at BST email This email address is being protected from spambots. You need JavaScript enabled to view it. this is better that going through the aliexpress site
this sort of format:-

Fred please quote me for:
1 No. 1610 x 1155 ball screw machined with length (F) 40mm

This guy is very well known on the mycncuk forum I have dealt with him for several years, he sells various qualities and answers questions very quickly.
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06 Jun 2020 09:08 #170327 by WinstonTodge
Just dropped him a line for some linear square rails. Thanks Clive.

What have people used for the floating head slide? Nothing too complex. But stiff?

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06 Jun 2020 10:11 #170333 by tommylight
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