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Hi David,
Thanks a lot for that. I have a bunch of questions for you...
What year is your machine?
Have you lubricated your bearings already?
Did you confirm yours has the tapered roller bearings?
What Max RPM does it have?
What alternative grease did you use, as it seems Kluber F23A is discontinued?
Is the instruction you uploaded for the vertical spindle or the horizontal?
Do you have any advice on removing the draw bar unit?

My understanding is that the vertical has a more complicated set up with integral bearings. My machine is also 40 taper. It's pulls studs are the ISO 7388 Type B option and my Manual covers the adjustment in 7.35 like yours.


No wonder that MAHO gave out such different manuals, as my user manual (in German) has the cover guard removal in that section 7.10, and nothing on spindle lubrication, but I guess this is tied in with them keeping reinventing the wheel, as there are also drawings of 400E with these horizontal...


...and vertical spindle bearing configurations.
 

I am starting to feel like Forest Gump, where a Maho spindle is like a box of chocolates


If you have the whole manual scanned, I would appreciate a copy of it please. I can send you my German language version if you are interested.

With regards to the axis swap, when I did my LinuxCNC retrofit, I configured mine as a vertical mill (Z up down) whereas Maho configured them standard as a horizontal, with an option to Axis swap. Servo closing relays? My schematic doesn't have any. 7K2 provides the muscle power to all three channels of the Indramat, and the axis enables are hard wired onto inputs from the vertical axis motor brake, and a couple of other contacts, so LinuxCNC has no control over them.

I have my PP of my CAM set up for a vertical mill as well. I have been editing my G-code files, to do the axis swap (reversing Y/Z, inverting one, replacing I, J with I, K, and Inverting it, and could easily write a macro to automate that.

I was in the middle of setting up a second LinuxCNC configuraton with the mill as horizontal (Y vertical movement), but was getting confused with the Ini edits, before I got sidetracked with my DoAll gearbox, and now with the spindle noise. I still need to complete the second config, as it makes most sense to have both, and then I can use the same PP, and code generated can be used on either configurations.
Cheers,
Mark
 

You should enter problem-solving mode and try to solve it

First, verify that the encoder as such works and gives the right values.
Check schematics and hardware setup since you use your own pcb. A and B must go in to PA0 and PA1. They electric signal must be NPN open collector. Use interface circuitry if needed.

Check that it counts up and down using the debugger.
Add a line first in loop()Use this a breakpoint and watch that pos changes value as you rotate the encoder shaft.
Read up on debugger usage if you haven't used it before. But it is basically just to start it with Run -> Start debugging and then single step into or single step over and watch values in the left column.



 

Deleted a bunch of suspected spam setups.

royka wrote:

Perhaps something wrong with the kernel config? You could try to install the kernel deb that I uploaded to see if that helps. Otherwise you might need to install more software, just install a complete desktop will be the fastest route to find out.
 

I compiled a desktop one and I've installed the deb kernel real time, and that fixed it. I didnt change much in config file, the only change was enabling fully preemption and I added the patch you provided and set the gpu governor to performance.

I learned I could measure EMI in my system by using a floating wire ran along the wire races containing my control and logic signals. I get the e-field noise connecting my probes ground to the panel and probe to the end of the wire and b-field by grounding the other end of the floating wire in the same probe configuration. I would like to connect a physical probe to a mesa card input but im not sure yet on how to go about it. 

I would need a input that could read voltage and i would assume i would need to wire a BNC connector to that input I have a 7i96 and 7i84 is there an input suitable? I dont know enough about what Im trying to do to actually pull it off. But when i started doing this cnc project few years ago I was in the same any input would be helpful. I think having a way to see and track emi over time would be helpful troubleshooting the tinkering and upgrading i seem to do i could see if emi is affecting performance in a measurable way. it would be cool to add a tab to my gui with those halscope screens so i could take a look at a glance theres just a lot to this idea im still unpacking and brainstorming