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  1. I kind of have a similar issue. I bought a pretty...

    I kind of have a similar issue. I bought a pretty decent FJV25 with a 4th axis (which works great).

    For whatever reason they included a 2nd 4th axis when I purchased the machine and my VTC20b...
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    PM sent, thanks!

    PM sent, thanks!
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    I have found manual BNP-A 0801-18 for a FR-SF...

    I have found manual BNP-A 0801-18 for a FR-SF drive on Mits website but not the document number that you are referencing. Do you have a copy that you could PM me?
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    I will get some of the big capacitors coming for...

    I will get some of the big capacitors coming for the drive, for the power supply is it worth fixing it?

    I have 4 SF-PW's (standard 10 watt version) that have been fried in different machines over...
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    How do FR-SF drives work?

    So not looking for anything super in-depth, just looking for a general explanation of what is going on inside these drives. I have 4 machines with FR-SF or SE drives that I have done some work in but...
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    So the crisis has been averted but the issue...

    So the crisis has been averted but the issue isn't completely fixed. I ended up checking the SF-PW even though the card was powered up it appeared that some of the voltages were off. I replaced it...
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    Well I am either doing something wrong or this...

    Well I am either doing something wrong or this Mits document is wrong. I got replacement transistors and according to the Mits document they are all bad as well. Once I found this I went and checked...
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    Alright, so I am finally getting back around to...

    Alright, so I am finally getting back around to this issue, we have only needed to use the lathe intermittingly and just used it at the slower rpm without issue. Well this morning the machine would...
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    FJV 25 spindle repair

    So I am currently considering buying a FJV 25 with a bad spindle in it. I am wondering if anyone has any suggestions for reputable places that I could get quotes from before I pull the trigger on a...
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    I will check the phases. At least when I have...

    I will check the phases.

    At least when I have seen the issue happen it is when it is slowing down (going from 1400rpm or greater to 0).

    I'm not sure if it does it while cutting, it has happened...
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    I am now finding that I can run it up slowly to...

    I am now finding that I can run it up slowly to 1500 rpm in hand mode and if I stop the spindle it then will fault and give me an ALO 33 over voltage. At the moment I'm not sure that I can reproduce...
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    Just tried and at least to the naked eye it does...

    Just tried and at least to the naked eye it does not appear to jump at all, seems to run pretty smooth
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    Thanks for the tip. Please see my update below. I...

    Thanks for the tip. Please see my update below. I tried to edit the original post but couldn't figure out how.
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    QT28 with T2 control spindle drive issues

    Hi,

    I have a QT28 with T2 control. It will run the spindle at 1000rpm all day long but if we go much faster the spindle drive will fault out giving an ALO 32 alarm (over voltage something). It is...
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    I think that is what I am looking for, can't try...

    I think that is what I am looking for, can't try it at the moment but am pretty sure that you nailed it, not sure how I overlooked that one.


    Thank you!
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    I don't know for sure what it supports, although...

    I don't know for sure what it supports, although I do know that it is a full 4th axis (not an indexer) but I just don't know how or if I can use it as a full 4th axis. I bought this machine from a...
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    The manual program is not actually center...

    The manual program is not actually center drilling, I have to have a tool called out in a manual program (or at least I believe so), so I call out the center drill in the manual program, tell the 4th...
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    Where would you see an A0 or A90 (or A(some...

    Where would you see an A0 or A90 (or A(some angle)) option? Is this option in each new unit or is it a separate unit all together?

    I attempted to attach a screenshot of my current program,...
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    Currently the only way that I am aware of running...

    Currently the only way that I am aware of running it is a manual program inside of a Mazatrol program, it sure seems like there would a way to do it straight up in Mazatrol but I haven't figured it...
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    Yeah, I haven't messed around with how this works...

    Yeah, I haven't messed around with how this works with the 4th axis a lot, but the problem that I have found is that when you move the 4th axis in a manual program that only way that I have figured...
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    Toolcat I will look into the 225 volt issue...

    Toolcat

    I will look into the 225 volt issue more, the Mits tech that I talked to earlier in the day before my previous post had told me that the machine/control system was rated to 200-230 volts...
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    Programming a 4th axis in Mazatrol

    So I am looking for thoughts/ideas on how to approach programming a part in Mazatrol on a 4th axis. I recently acquired a FJV25 (M+ control) with a 4th axis. I have run a few parts on it and it is...
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    Alright here is an update on this issue. So I got...

    Alright here is an update on this issue. So I got a replacement drive (used) and it came up and was running. We used the machine for 1 week, it was on but not used at all on Friday or Saturday, I...
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    Good idea I hadn't thought about that, I do have...

    Good idea I hadn't thought about that, I do have 5 other Mazaks that haven't had an issue and haven't gotten any emails from my server that they internet is down (because of loss of power), so I...
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    Thank you for the input, does MEAU also have info...

    Thank you for the input, does MEAU also have info on how to test the DK456 chips? Although I will work on electrical items mechanical issues are much more my gig.

    I live close to both First...
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