robert wrote: > Hi terry im glad i could help in some ways > Terry wrote: >> That was great help I had one line that I couldnt figure out how to >> get converted >> from mi520: >> >> setp m5i20.0.dac-03-gain [AXIS_3]OUTPUT_SCALE >> >> I think you have shown me the way to get the same end result >> with the lines: >> >> loadrt scale count=1 >> >>> addf scale.0 servo-thread >>> #gain=10/6000rpm >>> setp scale.0.gain 0.001667 >>> net spindle-speed-scale-in motion.spindle-speed-out => scale.0.in >>> net spindle-speed-scale-out scale.0.out => >>> hm2_[HOSTMOT2](BOARD).0.pwmgen.03.value >>> >> >> >> I see that your tool changer must work like mine(Geneva or umbrella >> type) >> I never bothered with getting mine running,1st reason is I >> remember it running on the old control and I could change tools >> faster by hand, >> 2nd I was waiting for hm2 to get going first. >> > yes mine is an umbrella, no encoder to read in tool value so using > counter etc in plc > i have also modded Iocontrol to store the tool value now just fine > tuning it once im happy i will show code to right ppl maybe it can be > included as it is settable from the ini file and store tool value to a > simply txt file >> I also see you use an encoder on the spindle I wish that >> part of mine was easier to implement,it is a Fanuc AC spindle >> motor that is geared down so I could use the encoder for tapping >> but not for spindle orient.There is a seperate mag sensor on the >> spindle itself just for orientation.Also Fanuc has a wacked-out >> system for encoding but I see John Elson makes a converter now. >> > yes this machine had a mitsubishi M0 control, we took it off as things > started to stop working like RS232 so left with good old tape which we > ran out so we bit the bullet so to speak, and we more than happy with > what EMC is doing afew things to iron out but its coming along nicly. > > we did scratch our heads finding a place for the spindle encoder but > then we saw they put some nice holes next to spindle mag sensor for > use with an encoder so we could use that to mount our unit on. > for spindle orient i do not use encoder i still use the mag sensor on > side of the spindle, its quick at its job and works perfect > but if it does ever go wrong i can take it off and use encoder, just > my VFD is +10v only, with a forward & reverse direction input > i have not seen in user or maintenance manual a setting to change it > to a +- 10V input do away with the two direction inputs as it would be > nice to start doing M19 functions with spindle for when i get the > renishaw probe fitted. > > here is machine we are doing, its an old leadwell 1980's but now its > like a new one ok not as quick but just as quick as new one in > code/line processing :) > http://cnczone.com/forums/showthread.php?t=73943 > > im always on IRC my IRC name is robh or robh_ > im in UK so excause any time zone diff >> The axis drives/motors are Fanuc too but the encoders run through >> the drives and are converted to something you can use. >> I have no books for the servo drives but I would like to >> use your tuning method but I have no idea which pot to >> turn.There is three but not named anything normal. >> > as ours has mitsubishi amps and motors which we reused they had > resolvers, so we fitted encoders direct to ballscrew did away with them > do you know which drives you have and which machine is this on i may > have a manual for them as we have alot of fanuc machines are they > yellow cap motors? > we did not worry about retuning the drives we let EMC tune them up and > gett them rolling and take care of it all. i still have to fine tune > them yet. >> I would like to see more of your files if you wouldnt mind. >> I am also trying to get the logic for the magazine to find >> the shortest route.I could get a normal PLC to do it >> but I dont know how to get classicladder to do the math. >> > yes this was a nice brain storming session, i still have to work afew > bugs out on the PLC but classic ladder is doing it realy nicly > our changer has a hall effect sensor which is off, untill u index the > changer around which then stays on untill you reach the "home" posion > again so if you hold rotate changer on untill signal goes away works > perfect, i did look at fanuc plc and mitsubishi but they dont realy > show you enough as plenty of hidden "blocks" in plc ladder > > drop me a IRC message or so on IRC i will be more than happy to share > any info. >
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