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Messages - ChuckAustralia

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1
General Mach Discussion / Re: Machining relief problems
« on: September 16, 2019, 02:46:55 AM »
Hi guy's,

Carried out a test cut and all is good, thanks for everyone's advice, but it seems the problem was down to inferior stepper drivers.

Cheers Chuck

2
General Mach Discussion / Re: Machining relief problems
« on: September 13, 2019, 04:05:55 AM »

Found the problem, the cagey buggers swapped motor wires, black and blue, that's why the "A" axis was working but the others not and I had wired all according to the "A" axis.

A trap for "young" players I guess, all working now, will do a test cut later.

Cheers Chuck

3
General Mach Discussion / Re: Machining relief problems
« on: September 12, 2019, 04:43:58 AM »
Hi guys,

Not having much luck with settings etc. so I thought I would upgrade stepper drives to TB6600 seeing that one of my originals died.

After doing that I face the dilemma of getting them to work, I had no problems getting the "A" Axis to turn, but the others only buzz.

The originals dips where all set the same so I set all the new ones the same, but no that wasn't the answer, I tried all available combinations with no luck.

I tried changing the motor profiles to that of the "A" Axis in Mach3, but no change.

Any Ideas?

I have attached pics of the original and TB6600 drivers to give an idea of how Ive wired them up.

Thanks Chuck

4
General Mach Discussion / Re: Machining relief problems
« on: August 26, 2019, 01:37:21 AM »
have you tryed to run Programm with toolpath turned off (see below)

I tried running with toolpath turned off, unfortunately no change

5
General Mach Discussion / Re: Machining relief problems
« on: August 25, 2019, 03:46:31 AM »
have you tryed to run Programm with toolpath turned off (see below)

No not yet, I will try tomorrow

One thing I did find though was when checking motor tuning settings, the pulse settings were at 0 for all axis so I set them at 5 and saved, after closing that window and reopening, they were all at 0 again, does that sound normal?

6
General Mach Discussion / Re: Machining relief problems
« on: August 25, 2019, 03:14:35 AM »
I tried fitting an extension spring to the Z axis with about 5 kg strength, unfortunately it didn't make any difference, this was using a profile that only cut .2 to .5 mm. it still cut at an ever increasing depth.

I have read that someone having the same experience applied more power to the stepper motor and that fixed the problem, what would your thoughts be on that?

Thanks
Chuck

7
General Mach Discussion / Re: Machining relief problems
« on: August 24, 2019, 04:45:44 AM »
Does you Z axis have weight - ie. could a counterbalance or gas strut reduce the mass when it is travelling in an upward direction ?

Hi Tweakie,

Sorry I didn't understand what you were saying at first, I do now and will look into it, I may be able to attach a spring somewhere

Thanks Chuck

8
General Mach Discussion / Re: Machining relief problems
« on: August 23, 2019, 04:22:32 AM »
Thanks TPS,

I ran the code with and without the spindle running and it didn't go any further than 5mm (not up on programming X/Y movement)

Do you think it could be due to computer power 2ghz processor, 3gb memory, Vista operating system.

I don't have any problems with simple tasks such as engraving and cutting shapes

9
General Mach Discussion / Re: Machining relief problems
« on: August 22, 2019, 01:36:51 AM »
Does you Z axis have weight - ie. could a counterbalance or gas strut reduce the mass when it is travelling in an upward direction ?

I'm at a loss with this Tweakie, I would have thought to remove weight if that would be the answer, there is only the weight of the spindle and minimal weight from the Z axis casting.

10
General Mach Discussion / Re: Machining relief problems
« on: August 22, 2019, 01:29:50 AM »
what does the z-axis DRO Show, allways the same value or is it also increasing?

It shows the same values as the gcode

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