Not sure about the spindle noise but are you aware of the USB port to floppy emulators?
I fitted one to my Prototrak and it works well. Restricted to 1.44mb though. Look at this on eBay USB Floppy Disk Reader Drive Emulator 3.5in No Extra Driver Required Plug N Play Pete > On 30 Dec 2021, at 19:05, Todd Zuercher <to...@pgrahamdunn.com> wrote: > > Here is an off topic (not Linuxcnc related) general milling machine question. > > About 10 months ago we (our company) bought our first real metal working cnc > machine. It is a Lagunmatic VMC 3516 with a 4th axis, and Dynapath Delta 40 > control, built in 1998. We bought the machine hoping to use it as is, but > with retrofitting to Linuxcnc as the plan B. At first we weren't sure if it > would run. Some other people here hooked it up and played with it bit to see > if it was working. But they were stumped by it, and didn't have a lot of > time to put into figuring it out. Well this week I finally had a little time > to look into it. After a bit of fiddling it seems it is fully functional. > Once I figured out how to home it, and command tool changes and start the > spindle. > > I have no experience with metal working machines, but lots of CNC experience > working with wood routers (large industrial wood routers, not just home hobby > machines.) While the basic CNC principals and are the same, the actual > hardware is very different. For example there are worlds of difference > between a 15hp hi speed wood working router spindle and this VMC's low speed > multi gear milling spindle (5 or 6,000 rmp max speed I think.) For starters > I was amazed by how much mass seems to be in the spindle to turn it by hand. > > I have no basis for comparison as to how this spindle and it's gearbox should > sound, to try to judge it's condition. The control seems to automatically > shift the gearbox dependent on the commanded spindle speed. I can hear air > cylinders shifting things, and the sound of the spindle is very different > when commanded at S1000 vs S5000. At the lower speed it obviously has a lot > more gear noise. At the high speed there isn't the gear noise, but it has > sort of a "loose" sound. But it doesn't ever seem to have any really > objectionable bad bearing sounds, at least to my untrained ear. How should > it sound? Any hints for assessing it's condition? > > We don't have much for manuals for the machine. Looking at the option page > display on the control, shows that the rigid tapping option is enabled. > Unfortunately it looks like the only way to get code into the old control is > by RS232 DNC, or floppy disk. > > Todd Zuercher > P. Graham Dunn Inc.<http://www.pgrahamdunn.com/index.php> > 630 Henry Street > Dalton, Ohio 44618 > Phone: (330)828-2105ext. 2031 > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users