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  • Lampje
  • Lampje
27 May 2025 15:01

Mill setup troubles and questions (Speed display, at speed signal, coolant pump)

Category: General LinuxCNC Questions

I've been away on sick leave for a bit.
Just getting back to work on ' trail' basis.

What i find is that there are some issues with the Z settings.
My machine is setup as 600x900x-200mm Home is 0,0,0 of course.

Procedure:
Home the machine.
Move the spindle and put the 3D probe in the ER collet.
Then run the Toolsetter macro. To my knowledge this sets the tip at 39.2mm above the bed.
Then I probe the work piece corner (werkstuk_tasten...) This should set G54 to the offsets from machine home, right?
Then I replace the probe with a mill (actually a lollypop stick for testing purposes). And run the toolsetter routine. I remove the workpiece to mill air while getting the bugs sorted out.
Then I load a program. The Touchy GUI shows the program movements etc on the screen. What i see is that it is correctly positioned in the X and Y but that the Z is to high up in the machine volume (red box on the screen).
Running the program errors out on that it runs out of Z distance wanting to go higher than is available.

So my question is on how to set the height coming out of the toolsetter routine.
The distance from Z-home (0) to the bed is unknown to enough of a certain height to be useable, right?
Or is there some other issue at hand?
  • Hastrh2o
  • Hastrh2o
27 May 2025 14:36
Replied by Hastrh2o on topic Mecanumeric MF2040 LI retrofit (Pantograph)

Mecanumeric MF2040 LI retrofit (Pantograph)

Category: Milling Machines

You can use the old drivers as Todd said. But, sometimes, changing everything is easier. I already kept old servos on a retrofit, then two years after I changed them because there were damaged .
Delta B2 are ok.
  • Muftijaja
  • Muftijaja
27 May 2025 14:29 - 27 May 2025 14:39

Spindle Speed Settings only from file, no MDI possible?

Category: General LinuxCNC Questions

Hi langdons,
yes the chinese has only 1,5kW instead of 2,2, just 320 Hz, no vector, no safety settings and outputs, no rs232 programming, it's cost is only 1/4 of the Hitachi. It is 3 years old, mostly layd in stock, has had 7 hours this year since built in, mostly parametring and testing time, but the 10V problem was from the beginning and sucked. Hitachi made a costless repair on it. I think, there's nothing wrong with the VFD itself, but sth has changed in Linuxcnc. But where?
(Hitachi is founded in 1910 and in the US since 1959, Hitachi VFD's are very common here in Europe and I have no doubt about their quality)
 
  • MRTtechnology
  • MRTtechnology's Avatar
27 May 2025 14:21
7i97T+7i74+7i84+7i73 was created by MRTtechnology

7i97T+7i74+7i84+7i73

Category: Driver Boards

Hi guys
I'm a beginner with Mesa electronic boards and I'm retrofitting a Realmeca T200 cnc lathe ( analogs drivers ).
The configuration I'm implementing is 7i97T+ 7i74+ 7i84+ 7i73 with the bin file 7i97T&7i74d
I have a PWM version error, and I need to find the latest version of the bin file 7i97T&7i74d
Can anyone help me?
Thanks
 
  • Farmerted
  • Farmerted
27 May 2025 14:15
Replied by Farmerted on topic How to set up parallel port in Debian

How to set up parallel port in Debian

Category: General LinuxCNC Questions

Thanks, I went through referenced thread, not sure I understood any of it.
I have an Asix Electronics Corporation AX99100 PCIe to Multi I/O Controller (prog-if 03 [IEEE1284]),

If there are known cards I could buy I’d rather buy a known working card.

This is for a CNC machine, so just the first step of many.

Thanks,
Ted
  • npostma
  • npostma's Avatar
27 May 2025 14:15 - 27 May 2025 17:32

Protecting My Mesa 7i76EU: Wiring Questions for Home Sensors and Touch Probe

Category: Basic Configuration

Ofcourse! 

I've included them as an attachment.

I hope you have some good insights into my setup. 

Thanks in advance.

EDIT:

I now also use the following step timing:

DIRSETUP   = 500
DIRHOLD    = 500
STEPLEN    = 1000
STEPSPACE  = 1000
STEP_SCALE = 1000

In addition, I changed the |DISPLAY|MAX_VELOCITY and the |TRAJ| VELOCITY settings. I have also increased the other velocity limits accordingly.The machine is now performing better than ever!
Surprisingly, I'm no longer getting any following errors—I'm not entirely sure why, but I’m definitely not complaining. ?Thanks to everyone for the input and suggestions!
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