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  1. It turns backwards from what you expect. allan

    It turns backwards from what you expect.

    allan
  2. Replies
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    665

    That is not where SB normally stamped serial...

    That is not where SB normally stamped serial numbers. Can you look at the right end of the bed, top front, by the leadscrew hanger screw heads? Any chance there is something there?
  3. No problem. The lathe just screams 'intra-war...

    No problem. The lathe just screams 'intra-war german', but the clincher for me is that thing on the front of the apron. As soon as I saw that, I knew it was a Fischer. They usually cast their name in...
  4. Not Polish, German. This is a Fischer KBSnf...

    Not Polish, German. This is a Fischer KBSnf lathe. A google search for fischer drehbank should show some similar units. Someone has cut the white lead dauber hole off the tailstock. Otherwise, looks...
  5. He who hesitates is lost.

    He who hesitates is lost.
  6. Do not swap any parts, you will just screw...

    Do not swap any parts, you will just screw something up. Swapping the spindle cone pulley for a generic pulley will prevent your back gear from working, for instance.

    Given the small diameter of...
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    It rides on top of the worm wheel, and drags oil...

    It rides on top of the worm wheel, and drags oil up from the apron reservoir. Don't leave it out.

    allan
  8. Uhh, 3:1 would yield the same size motor pulley...

    Uhh, 3:1 would yield the same size motor pulley regardless of the motor speed :)

    Anyway, as I said before, you'd need to use a Poly-v belt (something like J section) in order to use that small of...
  9. The mass has little to do with it. The...

    The mass has little to do with it. The countershaft exists to drop the speed to something appropriate for the spindle, and give the operator some speed choices. But, your low speed motor and VFD give...
  10. Romak, we enjoy these things you find, but please...

    Romak, we enjoy these things you find, but please stop using the silly clickbait titles. The first six words of this one are useless noise.
  11. Replies
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    1,298

    Once you get another chuck or faceplate that fits...

    Once you get another chuck or faceplate that fits your new spindle, use it to hold your old chucks and modify them to accept backplates.

    allan
  12. Replies
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    714

    Serial number?

    Serial number?
  13. Replies
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    383

    Just another similar year 11" probably. Later...

    Just another similar year 11" probably. Later machines have a larger diameter spindle, even if the gear portion is the same. If you just have a few missing teeth, consider repairing them.

    allan
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    We can probably make 100/127 work just as well as...

    We can probably make 100/127 work just as well as 90/127, so don't buy anything else until you tell us what the old end gearing and gearbox options are :)
  15. Thread: SBL logo

    by kitno455
    Replies
    2
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    433

    The serial number of the machine will enable much...

    The serial number of the machine will enable much more accurate dating.
  16. Replies
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    Give us a description of the tooth counts and...

    Give us a description of the tooth counts and layout of the original end gearing, and a list of the pitches the gearbox cuts from the factory. With that, we can calculate alternative ways to get...
  17. Hmm, I thought that was a 32 tooth gear? Maybe I...

    Hmm, I thought that was a 32 tooth gear? Maybe I misremember.
  18. I'd replace the spindle in a heartbeat....

    I'd replace the spindle in a heartbeat. Otherwise, get a 1.5x8 backplate for a 9" lathe, and open it up. All you need is a lathe.

    allan
  19. Replies
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    743

    The only thing wrong with the lathe is your...

    The only thing wrong with the lathe is your desire for artificial perfection. Put it back together and use it, you are about to do more harm than good.

    allan
  20. Thread: Older lathe

    by kitno455
    Replies
    5
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    816

    Show us pics of the end of the lathe, specs of...

    Show us pics of the end of the lathe, specs of any existing end gears that you have (OD, tooth count, face width, bore, etc), and the pitch of the leadscrew. We can come up with a complete...
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    758

    The precision of a plane bearing can be...

    The precision of a plane bearing can be excellent, don't be so quick to discount them. Yes the speed will be lower, but that's not a big deal in a non-production setting. You should measure the...
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    Says Sweden at the top of all his posts...

    Says Sweden at the top of all his posts...
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    987

    Which type of bearings do you have? If bronze,...

    Which type of bearings do you have? If bronze, are the expanders installed correctly?

    allan
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    612

    The 56 is the gearbox input gear. The 40 and 20...

    The 56 is the gearbox input gear. The 40 and 20 are used on the reverser, the 80 is just an idler, so the number of teeth don't actually matter.

    allan
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    Oh yes, it is a Pre-WW1 SB. The serial appears to...

    Oh yes, it is a Pre-WW1 SB. The serial appears to be 1286, which would be early 1912 or so.

    allan
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