Help please. Dip switches and mach 3 settings

[Radu_Andrei]

Ok. Will do. Thank you.

[john swift]

the earthing problem explains a lot

if your utility supplier will not fix the problem then
replacing the faulty earth connection with an earth spike
will convert your supply to a TT system and be safer than what you have now





John

[Radu_Andrei]

Ok. Thank you.

[Radu_Andrei]

A few pics with the house to pole supply connection, the main fuse box outside the property from which I get electricity into my workshop.
A big high tension structure which is situated on my property, quite close to the workshop.
It has a lightning protection thing included. Although, I have now and then some fluctuation in the supply, as some light bulbs are blinking/dimming, I never had any appliance broken or anything like that.
Also have a cctv camera in the workshop, a few meters away from the cnc. It does not seem to be affected by the cnc. I don.t know the other way around and might be a different story when I.ll wire the vfd.
There is also the metal control box, with some terminals in the left side, put there only because the terminals on the drivers, due to so much troubleshoot and rewiring seemed to go weak, and so any future fixing, will be done on this new ones.

And here.s a test video for some movement.
https://www.youtube.com/watch?v=hiXk...ature=youtu.be
It was a lot jerkier a month ago. Not sure how good it is now, though, as all the articles I read say to tune the motors and speeds until they sound good, and honestly I have no idea what this good sound, sounds like.
The settings in motor turning are 800 rev, 600 vel, 50 acc. At this speed, the y axis which is very heavy, seems to shake just a little at an abrupt stop. The other two, could be set to go faster, but as Clive says, one thing at a time.

What do you think?

[Clive S]

The settings in motor turning are 800 rev, 600 vel, 50 acc. At this speed, the y axis which is very heavy, seems to shake just a little at an abrupt stop. The other two, could be set to go faster

Well it looks like you are getting there. Its always nice to see another machine come to life.

Now when you command the machine to move say 200mm does it move exactly 200mm or something different.

Try putting G1 X100 f300 into the MDI and press enter. The X axis should move 100mm

Re the earth rod For a test you could just knock a metre long metal rod into the ground and connect it to the incoming mains ground. If it works then get a copper coated rod.

[Radu_Andrei]

Ok. I.ll try the gcode and come back with a result.
Do you think it will work with a larger diameter copper pipe like those used for plumbing/heating? The soil is quite soft here, so driving it a meter into the ground would not be a problem.

[cropwell]

Ok. I.ll try the gcode and come back with a result.
Do you think it will work with a larger diameter copper pipe like those used for plumbing/heating? The soil is quite soft here, so driving it a meter into the ground would not be a problem.

that should be fine - the longer length you can drive in the better unless you hit a drain You could then fill the pipe with water to make a good earth (not a joke!).

[Clive S]

Ok. I.ll try the gcode and come back with a result.
Do you think it will work with a larger diameter copper pipe like those used for plumbing/heating? The soil is quite soft here, so driving it a meter into the ground would not be a problem.

As Rob has said.

[paulus.v]

You are 3 meters away from the double power lines in the picture above? No way!!! There are regulations for a protection corridor of around 30-50 meters along the high voltage power lines. I hope you are not living near... For health reasons it is recommended a distance of 150-300 meters from the HV power lines.

Maybe those power lines are used only occasionally and coincides with the time your CNC starts going crazy. Are you hearing any hum under those lines?