Deckel FP2 acquired (Preliminary) - Page 35
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  1. #681
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    I had to go and open the spindle again to get peace of mind. I was wrong, ring 6 does manage to tighten the thrust bearings and remove the play. What I felt was the inner race of the bearing "C181NA", those have slop but those are not taken up by the ring so things are as they should be. Lock nut 9 and the spring washer though, they keep the inner races in place.

    Lock nut 9 and the spring washer was also the only way I could see to adjust the end play, when we're talking of how the spindle is able to move axially in the spindle housing. When I insert the spindle in teh spindle housing and the thrust washer stack is adjusted tightly with the ring so I cannot feel any play with my fingers in the thrust washers, then nothing still holds the spindle in place, it moves freely axially until lock nut 9 and it's washer is inserted. I then screw in nut 9 and adjust until I got 6 microns of play again.

    I noticed upon my second disassembly the inner spindle is kept in place even after the lock nut is removed though. I assume this is due to the tapered nature of the spindle and bearing race, they get mated to each other when the lock nut is adjusted.

  2. #682
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    The long reach head and vertical head is now reassembled as well





    Reassembly of the vertical head was tricky, all the t-nuts fell to the bottom of the slot. I had to inject grease around the t-nuts to hold them in place, and then I had to make short lengths of threaded rod that I put in the t-nuts, otherwise I don't know how I would've been able to get all the t-nuts lined up. After I had the bolts through I could just remove them and put the regular bolts back in, the grease around the t-nuts kept them in place.

  3. #683
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    Quote Originally Posted by DennisCA View Post
    ...

    P.S.

    I am going through this thread with the disassembly fresh in my mind:
    1964 FP2 horizontal spindle adjustment

    So far after reading just the first post, I would say that I have exactly the same issue as Thanos, parts 6 & 7 does not actually adjust anything, it just holds the bearings roughly in place no matter how tightly I try and get that ring. It seems our spindles are alike. But what I did was that I adjusted the play using the lock nut 9. This was obviously how it was done by the earlier operators. I am really confused by this, because now we have two spindles with the same issue. Is this indicative of something wrong in the spindle? Did Deckel make some odd spindles with a different layout?

    I must keep reading...

    Also went out and tested the radial play on the spindle, at the rear it is .01mm and at the front only 4-6 microns.
    Hi there Dennis,

    scroll through that thread. I have some misleading information to begin with, since one of my issues was that I did not have the proper tool to REALLY tighten nut 9.
    Then, I had to grind a bit off the spacer to bring my radial play at the rear point from 0.008mm down to 0.001 mm, as per Mr. Singer's suggestions (via Bruce). I think you will need to go there as well...Have a look, it's all in the thread, along with Singer's tips.

    BR,
    Thanos

  4. #684
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    Wow, your machine is looking really good and it seems that you are taking good care of the internals as well. Should be in action soon. Please post some photos of "first chips".

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    Thanks, we'll see when it happens, Still some strands to tie up (DRO install, various small components like stops, the electrical box). I'll make sure to photo it when it happens.

    Thanos yes I saw that it was very important, unfortunately I don't have that tool either, but I will soon enough I guess. I'll have to see how it performs as is in the future.

    I spent this day emptying the shop as much as possible and doing a complete reorganization. The mill will stand next to the lathe now.





    The advantage of this configuration is that the lathe is accessible from the rear, which I need to do in order to service the gear box on the lathe. And they don't interfere with each other any this way for a small footprint. Given that the deckel is operated from the side this setup made sense to me. I have considered connecting it to the deckel electrical box to reduce the amount of cables being run across the floor.

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  7. #686
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    Plus you can insert a really long part through your lathe's spindle and support it on a steady that would rest on the (adjustable for height!) mill's table!

    (in my case, I would have to drill a hole through the FP2 to fit something long through the spindle on the Colchester....but I really had no other alternative...)


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