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Messages - Tweakie.CNC

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251
General Mach Discussion / Re: Strange Arcs
« on: April 24, 2020, 01:41:48 AM »
Overall your DFX to Gcode is doing a very poor job and I suspect this may have been caused by gaps in your vectors.
Anyway, I ran your DFX through Vectric Aspire and have attached the Gcode file for you to test (you will need to edit the Gcode (use notepad) to set your offsets, etc.).

Tweakie.

252
Sounds very much like electrical noise.

VFD's are notorious and their correct screening / grounding is extremely important. No one solution cures all so a forum search will give you plenty of options to try.

253
The general unwritten rule for reliable machine operation is to find the maximum Velocity (in Motor Tuning) at which the motor (or motors) start to stall then reduce that figure by at least 25% and save the changes. Repeat for each axis. Then perform a similar operation with Acceleration. (Overall the higher the Acceleration the better but reduce it, if necessary, to stop the machine shaking when performing short movements).

This will reduce the maximum feed-rate available to the Gcode and in your case it will probably be around 150 ipm.

254
Show"N"Tell ( Your Machines) / Re: The Laser Project.
« on: April 22, 2020, 04:19:00 AM »
 ;D ;D ;D

Tweakie.

255
Just a suggestion...

Mach4, the Warp9 ESS motion controller and the C11G breakout board should meet all your requirements. Perhaps check out the Warp9 website for more details.

Tweakie.

256
We have a Mori at the shop that threads all day every day.  Threading is a motion controller dependent function.  For Mach, we treat G32 moves (the basis for all threading ops) as a regular feed moves.  But we mark them so that the motion controller can sync them with the spindle.  There is nothing else Mach can do, at this point, because the motion hardware has to do the real-time stuff. 

Steve

Hi Steve,

Just out of curiosity which motion controller are you using with your Mori and which version / build of Mach4 are you using with it please ?

Tweakie.

258
General Mach Discussion / Re: Mach3 strange behaviour Z axis on lathe
« on: April 18, 2020, 01:11:37 AM »
Hi David,

The reason I mentioned this is that Mach3 is obsolescent and will not be changed in the future but the ESS is current and although Warp9 may have discontinued Mach3 support they may be persuaded to make changes to their plugin if the demand for Turn was present.

Just a thought.

Thanks for clearing up my M3 / Mach3 confusion  ;)

Tweakie.

259
General Mach Discussion / Re: Mach3 strange behaviour Z axis on lathe
« on: April 17, 2020, 01:13:35 AM »
Quote
I discovered that after the M3 command to turn the spindle on, the axis would then only obey the G1 command in an increasing direction. Example G1F100Z100 - works G1F100Z0 doesn't work, although M3 on the computer behaves as if it is working.
I then disabled the spindle in M3 and restarted M3 (this last is important), the GCode TAP file was then able to be run.

Hi David,

I'm getting a little confused here between the terms. Could you please re-phrase using 'Mach3' and 'M3'. Many thanks.

Thanks also for taking the time to explain your solution, I appreciate it would perhaps be a guess but do you think the M3 problem lies with Mach3 or the ESS ?

Tweakie.

260
General Mach Discussion / Re: N00b - DRO innacurate / calibration
« on: April 12, 2020, 08:00:30 AM »
I’m a great believer in learning ‘hands on’ and perhaps using the Mach3 manual as a reference guide   https://www.machsupport.com/wp-content/uploads/2013/02/Mach3Mill_Install_Config.pdf
And, of course, the forum is here to help with any specific questions.

Just start making stuff and please post pictures of what you make, we all like pictures.

Tweakie.

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