Re: [Emc-users] Virtual Box

2008-05-05 Thread Alex Joni
What kind of Ubuntu version? What does "uname -a" say? Regards, Alex - Original Message - From: "aaron Moore" <[EMAIL PROTECTED]> To: "EMC userslist" Sent: Tuesday, May 06, 2008 8:59 AM Subject: [Emc-users] Virtual Box > Hi > I would like to install virtualbox on EMC ubuntu, but it ke

[Emc-users] Virtual Box

2008-05-05 Thread aaron Moore
Hi I would like to install virtualbox on EMC ubuntu, but it keeps telling me that I need a kernel module / header file. In /var/log/vbox-install.log it says Makefile:127:*** Error: unable to find sources of your current linux kernel. Specify KERN_DIR= and run Make again. Stop. Thanks again Aa

Re: [Emc-users] dxf to gcode

2008-05-05 Thread aaron Moore
Hi I am having problems displaying drawing in gcnccam. I have dxf with layers named outline and hole and have set up similar layers in gcnccam, but no drawing is dispalyed. It seems to me that information on thickness of material is needed, but I don't see where to input it. Can any one gue

Re: [Emc-users] 155 ms real-time delay every 10 minutes?

2008-05-05 Thread Dean Hedin
I was wondering... Is there any benefit to be found with the real time kernel by disabling apm or other features with the kernel parameters? For example acpi=off apm=off etc? - Original Message - From: "Alex Joni" <[EMAIL PROTECTED]> To: "Enhanced Machine Controller (EMC)" Sent: Mond

[Emc-users] EMC Fest 2008

2008-05-05 Thread Dale Ertley
Hello, Will there be any good training for newbies at the EMC Fest 2008? I am new to EMC. I am also in the process of putting a 4+ axis (xyzw+) full size mill on EMC2. Thank you Dale - Be a better friend, newshound, and know-it-all with

Re: [Emc-users] Off Topic, DC Spindle Motor

2008-05-05 Thread John Kasunich
Gene Heskett wrote: > > The controller in question in this case isn't an h-bridge, its simply a full > wave bridge rectifier that has as a DC load, a mosfet in series with the > motor, and the motor has a free-wheeling diode for when the mosfet is turned > off. This is considerably simpler tha

Re: [Emc-users] Off Topic, DC Spindle Motor

2008-05-05 Thread Gene Heskett
On Friday 02 May 2008, John Kasunich wrote: >Gene Heskett wrote: >> On Thursday 01 November 2007, Kirk Wallace wrote: Kirk Wallace wrote: > What is the best way to drive a 4hp, 90VDC, 40A spindle motor on a > Hardinge CHNC? Some of the large DC motors I have seen, look like > unive

Re: [Emc-users] 155 ms real-time delay every 10 minutes?

2008-05-05 Thread Alex Joni
I think this has been reported on the RTAI mailing list some while ago, there are machines where the TSC is not the most reliable source. Try looking at rtai_calibrate, that is supposed to help in some cases (but I'm not sure if only for userspace RT). Regards, Alex On Mon, 2008-05-05 at 09:34 -0

Re: [Emc-users] 155 ms real-time delay every 10 minutes?

2008-05-05 Thread Jeff Epler
On Sun, May 04, 2008 at 06:10:08PM -0400, Kenneth Lerman wrote: > Googling: pit clocksource had been installed > > Got me to: http://lists.opensuse.org/opensuse-bugs/2008-01/msg00541.html > > It appears from the above that you may be able to choose your clock. Choose > wisely. Regardless of wha