1.2m x 0.6m plasma, <£2k questions!:

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24 Jun 2020 09:23 #172554 by tommylight
That is a cute band saw ! :)
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24 Jun 2020 09:50 #172558 by WinstonTodge
That's why I bought it Clive. :)

No HF start, pilot arc and sensibly priced.

Looking at converting to the Macine Torch you've got too at a later date...

parkertorchology.com/wp-content/uploads/2019/06/SCMP80R.pdf

Just need to get the pin out and the termination correct when I do.

Did yours come with a 16A plug @Clive S?

Ta,

C.

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24 Jun 2020 09:52 #172559 by WinstonTodge

tommylight wrote: That is a cute band saw ! :)


Tiny, but enough for what I'm doing! :)

www.stakesys.co.uk/metal-cutting-bandsaw...ble-bandsaw-230-volt
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24 Jun 2020 11:37 #172568 by Clive S

WinstonTodge wrote: That's why I bought it Clive. :)

No HF start, pilot arc and sensibly priced.

Looking at converting to the Macine Torch you've got too at a later date...

parkertorchology.com/wp-content/uploads/2019/06/SCMP80R.pdf

Just need to get the pin out and the termination correct when I do.

Did yours come with a 16A plug @Clive S?

Ta,

C.


Yes . I fitted a matching 16A socket
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24 Jun 2020 20:21 - 24 Jun 2020 20:22 #172629 by WinstonTodge
Next delivery! :) And a whole load of steel...
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Last edit: 24 Jun 2020 20:22 by WinstonTodge.
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27 Jun 2020 22:24 #172924 by WinstonTodge
What travel Z axis is sensible?

I was thinking of getting a 300mm travel ball screw 1605 from Fred at BST.

Shorter is still doable?

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28 Jun 2020 09:01 #172962 by rodw
I used a 150mm ballscrew and got 86mm of travel. If I did it again I would have used 200mm
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28 Jun 2020 09:05 #172963 by Clive S

WinstonTodge wrote: What travel Z axis is sensible?

I was thinking of getting a 300mm travel ball screw 1605 from Fred at BST.

Shorter is still doable?


It depends on what thickness of stuff you want to cut on top of the slats ie if you want to cut say 100mm box section you need more that just cutting 10mm plate.

I have just done some slots it 100mm box by just removing the slats
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28 Jun 2020 19:38 #173022 by WinstonTodge
Just lobbed it all in Fusion360 and think I'll got for a 150mm travel total on the Z. :)

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30 Jun 2020 22:30 #173222 by WinstonTodge
So belt position...?

I'm just playing with the CAD for giggles...

Do people think there would be a particularly large difference in performance / stiffness with either A or B belt location for the Y axis?

For simplicity, bolting the motor direct to the carriage plate and running the belt below the linear rail (image A below) would be easier, but can't help but think having the belt directly below the table tube seems a better bet (image B below). B would need an extra plate and mount though obvisously to move the motor inboard...

Thoughts? Or am I just being pedantic...?

Image A...



Image B...



Ta,

Chris.
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