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  1. Replies
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    Trying to wrap my head around this... I think,...

    Trying to wrap my head around this...
    I think, if you hit only against the spindle (which is, of course, what you are after) then thrust bearings won't be affected. It's the spindle's shoulder that...
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    That's another horizontal spindle (almost) ready!...

    That's another horizontal spindle (almost) ready!

    Well done Bruce...

    Exactly like you, my horizontal spindle issues (much worse to start with than yours) were EXACTLY due to the fact that the...
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    I had considered the Bavarian thing as a source...

    I had considered the Bavarian thing as a source for misunderstanding from your first post on this :). I am sure that, if I every get to visit Singer I'll need you along Bruce...I can do a bit of...
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    Hey Bruce, sorry, that statement of mine was,...

    Hey Bruce,

    sorry, that statement of mine was, indeed, confusing.

    I was describing steps I took before I even understood the principle of the spindle support and identify my exact problem. ...
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    Yeap, seems great. Even if you allow spindle to...

    Yeap, seems great. Even if you allow spindle to flex, the idea is to avoid flexture slipping into your measurement buy placing mag base and tip of the DTI as close as possible. Of course, if spindle...
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    Hi there Bruce, good luck on your overhaul and...

    Hi there Bruce,

    good luck on your overhaul and thanks for the new information from Mr. Singer!

    Regarding your points:

    - no, didn't touch the front bearing, was just fine, only...
  7. Replies
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    Hi to all, after quite some delay, time to...

    Hi to all,

    after quite some delay, time to wrap this up. It took so long since, after the installation of the spindle on the machine, I wanted to find the opportunity and run a cut horizontally.
    ...
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    And I was wondering what the 'plus or minus'...

    And I was wondering what the 'plus or minus' meant...I had interpreted it as 'roughly'...
    Anyhow, no bearing expert myself either, so I really don't know. If it is as you suggest then it relaxes the...
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    ...continued from previous post. After quite...

    ...continued from previous post.

    After quite some time, I reached the 0.06 mm that I had to remove, so it was test time.

    Spacer looks like this now:
    ...
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    Hi to all, though, as a true hobbyist, I tend...

    Hi to all,

    though, as a true hobbyist, I tend to overcomplicate things more often than not, I think that I might have actually done some real progress here without getting into much fuss and,...
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    Hi guys, sorry for the late reply, but I've...

    Hi guys,

    sorry for the late reply, but I've been sick and busy last days, not an ideal combination...

    Bruce, thanks again for all the info and the clarification regarding the number of locking...
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    0.02 mm sounds great Peter, might not have to go...

    0.02 mm sounds great Peter, might not have to go much further than this...
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    So, it seems that all I have to do is find a way...

    So, it seems that all I have to do is find a way to reduce that spacer a bit in width.

    - I will do as Ross suggested, measure the taper on the lathe and get a rough estimate on how much I need to...
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    Hey Bruce, thanks so much for this! I also...

    Hey Bruce,

    thanks so much for this! I also thought that they would have answered promptly had they received the email properly but I am sure your getting in the way helped the communication!
    ...
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    After a really pressing last week, I finally just...

    After a really pressing last week, I finally just made it to send an email to F. Singer and ask for advice....
    Let's see how this will turn out...

    BR,
    Thanos
  16. Replies
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    Hey Alan, thanks for the advice, this is very...

    Hey Alan,

    thanks for the advice, this is very useful stuff. Sadly I can't put these tips to direct use since I don't have a surface grinder or even have access to one. However, as was the case...
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    Exactly Bruce, after all these measurements I...

    Exactly Bruce,

    after all these measurements I think I have solid questions for Mr. Singer. I'll put an email together today if workload allows for it. Will let you know!
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    Many thanks, already downloaded and saved!

    Many thanks, already downloaded and saved!
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    Hi to all, Ross thanks for the kind words, I...

    Hi to all,

    Ross thanks for the kind words, I highly value them, along with your advice of course! I hope that someone might find this documentation useful in the future, though a bit misleading in...
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    Hi to all, Ross thanks for the comments, they...

    Hi to all,

    Ross thanks for the comments, they appear in line to my latest observations. Details in the description below.

    Here is the setup:
    ...
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    Hi Bruce, well, that's what I think I'll do....

    Hi Bruce,

    well, that's what I think I'll do. Hopefully today I'll make sure that, indeed, 50 Nm eliminate play in the collar/spacers stack (so what I saw yesterday with the spindled assembled is...
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    Hi to all, reporting back my progress as...

    Hi to all,

    reporting back my progress as promised, with kind of mixed feelings...

    Summarizing the results before describing the procedure:

    1. radial play at the back bearing (tapered inner...
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    Hi to all, no actual progress to report here...

    Hi to all,

    no actual progress to report here since yesterday that I had some workshop time there were other tasks running that had some dust flying around so I wasn't very keen on messing with the...
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    Hi Ross, thanks for the extra advice on...

    Hi Ross,

    thanks for the extra advice on measuring the taper and oiling everything.

    I din't have enought time to make it to all these today, but I managed to turn some steel in order to make a...
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    Thanks Ross, all this makes sense. Intuitively...

    Thanks Ross, all this makes sense.

    Intuitively I don't feel that I can tighten the nut to take up the 0.3 mm slack, at least without splitting the bearing in two, but that's the path I am going to...
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