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  1. Replies
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    I need it too, may I have a copy? Also an Eagle...

    I need it too, may I have a copy? Also an Eagle scout project.
  2. Replies
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    9,596

    Old thread, but same/similar question. I have a...

    Old thread, but same/similar question. I have a SB9A undermount with flat belts. Has anyone ever converted one of these undermounts to use the 4-pulley V drives that come up on ebay from time to...
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    4,780

    I've got a 9A undermount (belt splice required). ...

    I've got a 9A undermount (belt splice required). My wife isn't so hot so I have more time to work on lathe. I'm interested in changing to a serpentine belt. All the pots I've found are old and...
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    4,780

    Old thread but that's funny.

    Old thread but that's funny.
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    18,266

    I agree, form taps good, Alu weak link. I'm...

    I agree, form taps good, Alu weak link. I'm looking for the math to show how strong is it. Thanks
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    18,266

    I'm constrained by the screw size but moreso by...

    I'm constrained by the screw size but moreso by the depth of engagement. Bigger screws means fewer threads engaged. I will be using multiple M3's, btu I need to know the strength of 1.

    If I did...
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    18,266

    Threaded hole strength in 6061

    I need to determine the tensile strength for a standard steel M3 socket screw that is threaded into a 6061 aluminum part. Alu threads will be tap-cut. Thread depth is 4.5mm, but I'd say allow .5mm...
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    3,683

    If I found/bought an old car from the 40's or...

    If I found/bought an old car from the 40's or 50's that was in very, very good condition, there may be no practical reason to need to know its age I agree. But I'd want to, just because. It's an...
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    Date my Southbend

    An anyone help me date my Southbend 9?

    It is a mode 9A
    CL8344Z Undermount motor, 3.5' bed

    The bed numbers say:
    32977NKR8 (front rail)
    813 (vertical on mid rail)
    UBD101NK or back rail
  10. Replies
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    4,996

    Thanks, I got one and it seems to work pretty...

    Thanks, I got one and it seems to work pretty well. Will need to get some more holders for that style bit.
  11. Replies
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    4,996

    Thanks. I'm extremely safety oriented. All...

    Thanks. I'm extremely safety oriented. All things mentioned are status quo practice. re space, hard to describe but I'm full. No one to help but me.
  12. Replies
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    Thanks. Just to be clear, I'm not teaching...

    Thanks. Just to be clear, I'm not teaching machine shop per se. The kids just need to be able to make some simple bushing and spacers with decent finishes. Unfortunately there isn't enough time...
  13. Replies
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    4,996

    Wilco. Thanks.

    Wilco. Thanks.
  14. Replies
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    4,996

    Ed, it is a Model A 344-ZN. I think I am...

    Ed, it is a Model A 344-ZN. I think I am engaging the half nut on the lead screw. I had the gearbox set to it's smallest setting 0.0015/224 TPI.

    Maybe I'm doing it wrong. Not sure how to use...
  15. Replies
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    4,996

    The SB9 arrived. It is in like new condition,...

    The SB9 arrived. It is in like new condition, one small tension adjustment on the new leather belt, fresh oil in the oilers and on ways etc and I was ready to go. Tried turning a small 1/2" alu...
  16. Replies
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    4,996

    re the Robotics program, I understand what you...

    re the Robotics program, I understand what you are saying. This one is better in that regard in that it actually provides all the materials to the kids. They are required to use the materials...
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    for clarity, do you mean you do it at these slow...

    for clarity, do you mean you do it at these slow speeds of the SB9?
  18. Replies
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    Thanks Conrad. We don't get to pick their...

    Thanks Conrad. We don't get to pick their materials. They come in a kit from their robotics competition program. They are required to use what comes in the kit, although I doubt any college...
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    Its not that I want to run "proper", I can't as I...

    Its not that I want to run "proper", I can't as I understand it, and you double how far I can't do it. What I need to know if I should be trying to sell this machine I just bought and is in route on...
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    Yeah, but having the feeds and speeds right is...

    Yeah, but having the feeds and speeds right is what I figured the real machinst would whack me on the head for 1st LOL. And every other thing I've read said not to use carbide at these low speeds. ...
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    Not production. Mostly high school kids making...

    Not production. Mostly high school kids making small bushings, motor couplers, etc.

    I'd like to use insert (HSS) tooling. Any recommendations for inserts in these conditions?
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    SB 9 vs. samll aluminum parts

    I bought a nice SB 9" UMD and it's on the way. Now, learning (late obviously) it won't go very fast spindle speed wise. I need the lathe to make small aluminum parts. Typically .25 to .75 inches...
  23. Any chance you have a follower rest with it? I...

    Any chance you have a follower rest with it? I need of to use with a high school robotics team. Taper attachment?
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    WTB 9" Follower Rest

    Hi guys: I am a mentor for a small high school robotics team. I bought a nice SB 9 lathe for them to use, but it does nto have a follower rest, which we will likely need. Anyone have one they could...
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    Thanks guys. I appreciate the help.

    Thanks guys. I appreciate the help.
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