Help please. Dip switches and mach 3 settings

[Clive S]

Meanwhile just knock a copper tube in and connect to you mains earth. It has to be better that getting small electric shocks

[Radu_Andrei]

In settings tab, I typed I want to move it 50, and it did move 150, and mach 3 set it to 160 steps. Now in mdi tab, I typed g1 x100 f300, it moved 100mm but very very slow.
The driver setting is at 800.

I did try g1 x100 f2000 but still slow, so I honestly have no clue what this means, if it.s just the the speed used in this setup, or the speed of the machine, or anything else. As I said, I need to study some basic things about this, so I would guess it.s easier if you.d guide me towards some reading material rather than test your patience, which was already strained since I started this topic.

[Radu_Andrei]

P.s. John mentioned the spike. Rob clarified the water filling method.
My mistake. Sorry.

[Clive S]

In settings tab, I typed I want to move it 50, and it did move 150, and mach 3 set it to 160 steps. Now in mdi tab, I typed g1 x100 f300, it moved 100mm but very very slow.
The driver setting is at 800.

Ok so now you have it moving the correct amount on the X axis.. Now change the driver steps to 1600 and do the same test re calibration. Also tell us what you have set the settings for on the motor tuning page Mach3

Just test with one axis first

re the spike, it is the same as earth rod . Re the water it was just to wet the ground around the rod to lower the resistance of the earth.

Don't worry about the questions, we have all been there at some point.

edit https://www.youtube.com/watch?v=R3fu...M7iZbmHUxO7K-u

[Radu_Andrei]

ok. i cut the power to the drivers, and changed to 1600 (on, off, on, on), and tried again, and now it moved half the distance, example move 50, and it did 25, and mach 3 set it to 320. typing in mdi the same thing, it moves the right distance typed in but somewhat faster.

in motor turning, the "steps per" is set by this test, velocity 600 mm per minute, acceleration 50, G's 0.0050988, step pulse, dir pulse both to 0

[Clive S]

ok. i cut the power to the drivers, and changed to 1600 (on, off, on, on), and tried again, and now it moved half the distance, example move 50, and it did 25, and mach 3 set it to 320. typing in mdi the same thing, it moves the right distance typed in but somewhat faster.

in motor turning, the "steps per" is set by this test, velocity 600 mm per minute, acceleration 50, G's 0.0050988, step pulse, dir pulse both to 0

Ok you are now moving the correct amount. You now have to alter the vel. 600mm is slow try 1200mm then 2400mm . You have to ajust the vel. and accc. for your specific machine.

The vel. is the max the machine can do. Ie if you set the feed rate with your settings (600mm) it will be clamped to that. So if you say f2000 it can't go any faster than 600

Did you watch the vid?

[Radu_Andrei]

I did watch the video. I.ve seen it a month ago when I first installed mach 3, but did it again to see what I.ve missed.
I attributed the frame shake related to a gantry hard stop, with a sign that I.ve reached the speed limit on the machine, on the Y axis for example.
If it could accelerate and decelerates slower while running a g code, it could travel quite faster, but I don.t know if it.s possible. And honestly it.s not a requierment for me, as I.m not into large quantity production, but rather in custom or special products approach. For example, the first projects that I need are plexiglas stencils used to decorate some furniture with a traditional motif.

There is a guy called Roger Webb on youtube which does some decorative wood projects, and the cutting time for a 50 by 50 cm sculpture ranges between 2 to 4 hours in 2 cuts. I.m aiming for that, and I don.t think that is a high expectation but do correct me of I.m wrong.

I.ll test some speeds, but what am I looking for? How else can I know the max the machine can do?

[Radu_Andrei]

Problem 1

So I installed a new earth connection and it was all great, until something weird happened. Up till midday, jogging the cnc went just fine, then after that for a couple of hours it worked like shit, meaning that the steppers were running in such a manner that the ballscrews was shaking, and even stalling a couple of times, all 3 of them on all 3 axis, and testing it in the evening again, it works fine again. I.ve reduced once again the driver setup to 800 steps, assuming that maybe the 1600 was the problem, but no. It does not matter.
It. been a bit stormy in the evenings, and sometimes the lights were flashing in the workshop, but not in relation with the performance of the machine. Strangely enough, it was working just fine when the light were flashing. (it may not be the correct word, but I mean, the lights were changing their intensity at short intervals of time), and around 1pm, when it was sunny and nice, the cnc was taking the piss.
This was yesterday. Today, I.ve tested again, and jogging it, it worked fine for a few minutes, and after that, the motors changed their noise and the shaking occured again. Like it shakes the ballscrews and so the whole gantry. Sometimes, pressing reset in mach 3 it makes the problem go away for a minute or so, and then it happens again. Then exiting mach 3 and coming back later, it seems ok again, for some time. The steppers sound fine and smooth, and just like that they change their noise and have a jerky movement. On and off, without any patern I can notice so far.

So at least we.ve excluded the ground problem. What else can cause this? Fluctuations in the electrical voltage? amperage to low set for drivers (4.9A Peak, 3.5A RMS set now, next setting is 5.7A peak, and on the steppers it says 5.6A, but the driver can go up to 7.8A peak, 5.6A rms)?

Problem 2

I wired up the vfd, I change Parameter 1 and 2 to value of ..2..(for communication port control), then wired the 4 control wires like posted before ..the gnd pin goes to ACM, the 0-10v to V1, 1st relay pin (5th in order) to DCM, and 2nd relay pin to FOR., and then in mach 3, in motor outputs, I enabled the spindle, step pin 1, dir pin 0, dir lowactive and step I tried in all ways, step port and dir port both to 1, then in output signals I enabled output 1, port 1, pin 17, active low not checked, then spindle setup, relay control with disable spindle relay not checked, motor control with ..use spindle motor output.. and ..pwm control.. both checked and pwm base freq to 100, then in spindle pulleys, nr1 max speed 24000.
And it does not work. It does nothing when i press spindle cw f5, although the relay clicks on, and the voltage at terminal 0-10v is 9.54v The vfd just shows 0000000 on the screen.
What have I done wrong?