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  1. In my opinion...no. Unless that spindle motor is...

    In my opinion...no. Unless that spindle motor is prone to shorting a winding to ground, megging the motor would be pretty far down on my list of things to check.
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    I can't look at those drive screws without...

    I can't look at those drive screws without remembering something from my distant past. I was working for a company called Beckman in LA at the time which was then the premier provider of ultra...
  3. As Digger Doug said, your shoulder suffers if you...

    As Digger Doug said, your shoulder suffers if you drive from the tailstock all day. Many years ago I would chain the saddle to the tailstock and use that for power feed. Now I use a QCTP with either...
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    What about the dye used in diesel fuel to...

    What about the dye used in diesel fuel to differentiate between household heating fuel from truck fuel?
  5. I'm sure there is some wear in the crosslide and...

    I'm sure there is some wear in the crosslide and compound screws and nuts. This is to be expected on an older lathe that has not been reworked. If you are not going to replace/repair the screws and...
  6. You will be fine. I do it all the time.

    You will be fine. I do it all the time.
  7. You might want to consider pulling the spindle...

    You might want to consider pulling the spindle and replacing the leather belt with an off the shelf serpentine belt. I have an old 9" SB that I still use for certain operations and I put a serpentine...
  8. I had a weird one last week. I was using a plasma...

    I had a weird one last week. I was using a plasma cutter and forgot to clamp the ground on. It cut fine anyway. Go figure.
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    I like digital calipers but I also keep dial and...

    I like digital calipers but I also keep dial and vernier handy. If the battery craps out in the digital calipers and I don't have a replacement handy.....I am screwed. The dial calipers always work....
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    From your picture of the threaded hole, I would...

    From your picture of the threaded hole, I would say you have plenty of meat there. Good Job.
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    Adjustable for initial load, travel, damping...

    Adjustable for initial load, travel, damping effect? I think some more information is needed. Thanks.
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    Thank you for posting that Forrest. I have no...

    Thank you for posting that Forrest. I have no experience using packed bits and I found it very interesting. I have bored my share of deep holes and usually revert to making a lot of "spring" cuts to...
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    If this is just for fun then yes, you should...

    If this is just for fun then yes, you should absolutely get one. If you are asking if you can make a profit from it then who knows.
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    I worked in a machine shop for five years where...

    I worked in a machine shop for five years where everyone but me was German or some other European descent. I don't know if this technique is practiced here but I have not heard of anyone else doing...
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    A machinist I used to work with made something...

    A machinist I used to work with made something like that and called it a breach plug. I have no idea if that is correct but I think it refereed to the plug in the back of a rifle barrel. I would just...
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    Very funny Digger. Sorry about the multiple...

    Very funny Digger. Sorry about the multiple posts. I think I have deleted all but one. I don't know what in the hell happened. Must have been the homotrons again.
  17. Try some of these sources. Shop Tools and...

    Try some of these sources.

    Shop Tools and Machinery at Grizzly.com

    Used Metal Lathes, Atlas, South Bend, Logan, Leblond, Monarch, and Hardinge

    Search results for: 'threaded back plate for...
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    My son at work can wear a wedding band but it has...

    My son at work can wear a wedding band but it has to be a rubber safety ring. Not as flashy as gold but they make some pretty good looking safety rings.

    Silicone Wedding Rings — Men & Women Rubber...
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    Pathogens would not be a problem. They are easily...

    Pathogens would not be a problem. They are easily decontaminated with Sodium Hypochlorite. Losing a sample in an ultra is a major concern, not so much for the contamination issue but for an imbalance...
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    Years ago I worked on a similar product design...

    Years ago I worked on a similar product design involving ultra high speed centrifuges. A disk affixed to the bottom of a titanium rotor was used as a speed sensor. The problem was that the disk would...
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    That's what here here for.

    That's what here here for.
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    You will notice that the progression is toward...

    You will notice that the progression is toward the harder materials. This is where "hard ass" comes into play.
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    That is exactly what I meant. The chances of...

    That is exactly what I meant. The chances of finding someone who needs that exact item are slim. It does have scrap value because it is made of bronze.
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    Since it is made of bronze, I would sell it for...

    Since it is made of bronze, I would sell it for scrap.
  25. In the picture it looks like you are cutting this...

    In the picture it looks like you are cutting this dry. Have you tried this with lube?
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