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Messages - plasmashine

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1
General Mach Discussion / Re: Collision detection on THC
« on: April 14, 2020, 05:28:08 AM »
Could you tell me how to find these files?

2
General Mach Discussion / Re: Collision detection on THC
« on: April 14, 2020, 02:39:44 AM »
Thanks, I haven't done any coding in my files, but I should be able to find my way through it.

3
General Mach Discussion / Collision detection on THC
« on: April 11, 2020, 05:26:08 AM »
Hello

Hope someone can point me in the right direction.

I have a Price Cnc THC and I would like to add collision detection when the digitize input is activated.

I'm not sure of the best route to take.


4
So curiously I restarted the pc 3 times and it seemed to fix itself!

5
General Mach Discussion / mach 3 plasma table strange happenings!!
« on: July 10, 2018, 05:57:44 AM »
Hello

Just had an issue with my mach 3 installation win 7

Machine has been working fine for a  good while.

it is using a uc 400 eth motion controller.

the problem is that the x and y axis are not moving at the same feed rate (I think)

for instance if the machine is going to start a cut at 100,100 and it traverses diagonally to that point, it will stop at 90,100 and then zero the z, the g code re references the xy point after zeroing the z and so it then moves the x axis to 100.

Unfortunately when cutting radii it turns them into chamfers!

if i enter g code to move on the x axis, the feedrate goes up and down, both on the mach screen and noticeably on the machine.
If i just jog the machine or ref all home then the feed is stable!

The g code files are the same ones I have been using with no problem.
The machine has no stiff points on the axis either way
In motor tuning x and y have the same velocity and acceleration.
Any ideas


6
General Mach Discussion / Strange hole problem
« on: May 01, 2018, 03:08:19 AM »
hello
Wondering if anyone can help.

I have a diy plasma table with mach3



There are 2 files attached both created with sheetcam.

The file 'hole16thc' cuts a lovely hole.

The file 'zbrackets' cuts only the lead in for the hole.

They are created using a simple post processor, I had created them before using a post processor with a floating z with exactly the same results.

I am still in my infancy at reading G code and I'm wondering if the files are ok then it must be something else/

Thanks

7
General Mach Discussion / Re: REF All home
« on: April 27, 2018, 01:23:35 PM »
Thanks

Yes I have limits on all axis.

I have looked at it a bit today.

Here is what I think I want to happen.

I click ref all home

Z axis moves upwards clear of any thing on the bed, say for instance my cup of tea, say 150mm.

Now it zero's Y then X axis

Then Z moves downwards landing touch probe on small platform in the corner.

No tea spilt

8
General Mach Discussion / Re: REF All home
« on: April 27, 2018, 04:20:29 AM »
Yes it is a plasma table.

I tend to just click ref all home for ease and let it do that (Table is 3 metres by 2 metres) while i sort other things out.

I have only just realised from what you both have said that I can reference z to the top and enter the measurement in the homing page.

9
General Mach Discussion / REF All home
« on: April 27, 2018, 03:07:20 AM »
hello
Is there a way to set up mach3
When I click 'ref all home'
I would like to move the z axis upwards to its limit, then reference the x and y axis, then finally move the z axis  down to reference it.

Is there a way to do this?

Thanks

10
General Mach Discussion / Re: m10 m11 commands
« on: April 24, 2018, 01:54:09 PM »
Tweakie thanks
I have just tried those codes this evening but without success.

I even cut and pasted your code in the post to a file and ran it.
The line after M11P2 didn't appear in the Mach3 code window and output 2 remained dormant.

On the plus side I read though your website and was very impressed with all you have done, both construction of your machine and products made on it.

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