Before you buy that new drive I would try and fake out the rest of the controls so they don't see the alarm signal and begin to function. That way you can buy the new drive knowing that you can get everything functional after the swap.
Dave On 7/17/2014 6:47 PM, Leonardo Marsaglia wrote: > Well, about the drive. I checked the capacitors with my brother's friend > who whas the tester and they are ok. The fuses are ok, I can't see any > burnings or loosen solders, at least in the rapid view. > > We're thinking about replacing the drive for a new one of 20 hp. They cost > like US 1100 and it's the fastest solution. > > We were tracing and measuring the signal cables and apparently all the > Inputs and Outputs on the Mazatrol T1 controller work with 24 VDC. I'm > worried about this because the hall effect sensors and other switches are > expected to work with tha voltage level. But what impresses me is that the > communication between the spindle drive board, and the motherboards is also > 24 VDC. Do you have any experience with this? The schematics are almost > useless for this. > > About the lathe, there's only one signal that's preventing the lathe to > work, and that's the alarm signal comming from the spindle drive. I don't > know what kind of signal sends the NC to the drive for the velocity > reference, but I expect it to be an analog voltage. In fact there are some > cases in forums that report a spindle drive replacement, with another drive > different from the original. They had succeded in making them to work, so I > guess I have to measure that signal (I hope the NC can output the signal > even if there's no feedback because the spindle is going to be standing > still). > > Well, basicly, I would be thakful if you have some ideas or advices because > tomorrow, if I can measure and ensure that the signals are there, I'm going > to buy the new drive. > > Eventually, this Mazak is going to be updated to LinuxCNC, in fact as soon > as it starts to work again I'm going to measure and try to take all the > information about the servo drives and resolvers. The only doubt I have > about that is If I can use the original drives with LinuxCNC, because that > would be great. > > Thanks as always and I hope I can make it work soon! Please let me know if > you have any advice or anything because you have a lot more knowledge than > me! > > Leonardo. > > > 2014-07-17 19:37 GMT-03:00 Leonardo Marsaglia <leonardomarsagli...@gmail.com >> : >> 2014-07-17 16:18 GMT-03:00 dave <dengv...@charter.net>: >> >> Mazak's policy is set up to encourage you to buy new rather than >>> fix. :-( >>> >> Indeed. A couple of years ago, I asked to mazak for the replacement for >> the standar CRT monitor. They quoted me US 5000 more or less, for the >> entire unit. By that time, we were using the lathe with an old CGA monitor, >> because the frequency is the same. I bought an adaptation board from CGA to >> VGA so now I can use any monitor. But yes, they're thiefs! >> >> >> -- >> *Leonardo Marsaglia*. >> > > ------------------------------------------------------------------------------ Want fast and easy access to all the code in your enterprise? Index and search up to 200,000 lines of code with a free copy of Black Duck Code Sight - the same software that powers the world's largest code search on Ohloh, the Black Duck Open Hub! Try it now. http://p.sf.net/sfu/bds _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
