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Topics - Plan_B

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Mach4 General Discussion / Change from Syntec 6MD to Mach 4?
« on: February 27, 2024, 01:36:38 PM »
Hi all! It's been a while since I've been here.
A buddy of mine just bought a used Chinese CNC router. It has a Syntec 6MD controller. Has any one here any experience converting from that to Mach? Does someone make a card or something that can take I/O from the machine and feed it through Mach 4? Or how else is it done?


Appologies if this is in the wrong forum...

I'm using Ger21's MACH3 2010 Screensets. The problem is with my X Axis, which is driven by 2 motors (one on each side of gantry - so X axis and A axis). A is the slave axis. I have been using the Auto Homing routine provided with the 2010 Screensets for a couple of years without any problems.

However, today... I hit the REF all home button and when it started to home my X Axis, the A motor didn't respond, but the X motor did. I tested it and the A Axis does work with both jogging and using G Code - Just not for Homing... 

I checked the Config settings to make sure that the A Axis is still correctly configured for homing, and it is.

Anyone come across this one before? I haven't changed any settings and it's been working for years...

Please and Thanks!


General Mach Discussion / Homing problem
« on: November 07, 2011, 09:08:16 AM »
I have a dual drive stepper system and am using micro switches as home/limit switches. I have them set up as active low on my X and A axes. Homing works if I disable the A axis switch (in mach3 ports/pins) and check home A axis with X axis in config. When I uncheck that and enable the A axis switch the machine runs both axes toward the switches as expected but when the switches are engaged the X axes backs off and stops as expected but the A axis keeps backing off, stalling the motor. Any ideas on why the A axis might fail to stop when its home switch is disengaged?
Your thoughts appreciated.

General Mach Discussion / Rapids not reaching max speed
« on: September 27, 2011, 10:34:31 AM »

I am running a 6'x11' router with 1000 oz-in steppers (dual x) using Mach3. I think I have a set up problem. My max velocity in motor tuning is 1000 in/min on x axis and 500 on y axis. When I shift-jog I get up to 1000 in/min on x and 500 on y.

However, when I am running from G code the G0 rapid moves are slow. Sometimes slower than the cutting speed. At first I noticed in general config  that I has "Lock Rapid FRO to Feed FRO" checked and I thought that was it but there was no change in the behavior after unclicking it.

Any ideas?

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