Topics

1

General Mach Discussion / Tool changer motor overheating

« on: April 19, 2015, 02:01:38 AM »

Hi there,


I have a Syil AEX250 CNC lathe that I have been running for a couple of years now with only
minor, easily fixed, issues.

Running Mach3 R3.043.066, licensed. The computer CPU is 3.40Ghz, with 2Gb ram.

Yesterday I installed an Ethernet Smooth Stepper, and jumped through all the hoops to get that
up and running, I'm very happy with it so far.

1 problem I have not been able to fix is the tool changer motor now overheats. Yesterday, when I
discovered the problem, I measured the motor case at 98 degrees C. Until yesterday the motor never
even got warm.

Today I was able to listen to the motor with a probe stethoscope, I found that there was no noise from
the motor until I made the first tool change, after that the motor continued to hum and began to heat up.

I went into "ports & Pins", "Input Signals" and turned off Active Low on Input #1, which is set to port 1 pin 15.
When this was applied the motor stopped humming. Turning on Active Low and doing another tool change
caused the motor to continue to hum after the tool change was complete.

Jeff, from Soigeneris, has suggested that the motor is not being turned off after the rotation and lock down
of the tool post. My testing above would seem to confirm this.

I'm hoping someone can point me in the right direction to solve this problem. If posting any files will help please
let me know which ones you need.


Best regards
Mark

2

General Mach Discussion / Mach3 setup and threading help needed please

« on: February 15, 2013, 10:02:23 PM »

Hi there,

I have a Syil AEX 250 CNC lathe that I'm trying to get up and running with mach3.

I've managed to overcome most of the early problems, mainly caused by a lack of
support from the manufacturer, as well as the retailer. The fact that the .xml file
they supplied had quite a few errors in it didn't help at all.

At lower speeds, around 500rpm, the true spindle speed is pretty accurate, which I
believe is required for threading. Higher speeds, above around 1200, it's not quite so
good, but I don't intend to thread at those speeds anyway.

I've tried using the wizard to generate code for threading, and the code runs fine
until it hits the G76, then axis and DRO movement stops. I've also tried typing
"G32 Z-25 F1.5" in the MDI, with the same result above.

I'm a little suspicious of the index settings, and the sensor itself, although the speed
detection seems to be ok. The diagnostic screen shows pulses, all of them if I turn
the spindle by hand, but seems to miss some when turning at speed.

I've attached my .xml file should anyone want to have a look, and if anything needs
changing I'd appreciate the info.

Mach3 version is R3.043.066, licensed. The computer CPU is 3.40Ghz, with 2Gb ram.

Thanks in advance for any advice.


Best regards
Mark