[Emc-users] Using 7i76 I/O as serial Rx/Tx?

2016-07-07 Thread Axel Zöllich
I'ld like to control a Hungyang VFD via RS485 and the linuxcnc hy_vfd module. As I#ve got the machine running with the well known 5i25/7i76 combo, i'ld like to use one 7i76 input and one 7i76 output line as TTL serial and only would need an RS485 driver to get a working composition. Is it

[Emc-users] LCNC with a Flashcut 401A?

2016-07-07 Thread Gregg Eshelman
I just spent a fruitless half hour trying to dig up the cost for a license for Flashcut software to work with one of their RS232 401A - 3020 signal generator and stepper driver box combos. Seems nobody wants to put a price on a website. :P Can Linux CNC work with this hardware?

Re: [Emc-users] OT: X Axis twitch on turning center

2016-07-07 Thread Gregg Eshelman
Ah, hydraulics... After you get the leak(s) fixed, look up a Caterpillar dealer and buy some of their anti-chatter additive for hydraulic fluid. I found out about that when working on my in ground lift. Found a forum post where a heavy equipment dealer had a problem with hydraulics on some new

Re: [Emc-users] OT: X Axis twitch on turning center

2016-07-07 Thread Rick Lair
Well, I think I have found the problem, it was mechanical, I just didn't see it the last twenty or so hours of looking at the machine. This machine has a 1.5" bore hydraulic cylinder that acts as a counter balance cylinder for the cross slide and turret, that runs at full system hydraulic