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  1. Replies
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    Chamfer. Use a semi-bottoming spiral flute tap...

    Chamfer.
    Use a semi-bottoming spiral flute tap from a respected manufacturer.
    Use a tapping head with reliable torque control.
    If you dialed in the holes using the DRO dial in the tap locations...
  2. Replies
    19
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    1,911

    The banding may be due to improper engagement of...

    The banding may be due to improper engagement of the carriage pinion and the rack on the bed. It is common on old lathes thaat have a lot of wear.
  3. On a BP with the tap in a collet. No tapping...

    On a BP with the tap in a collet. No tapping head.
  4. Replies
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    1,813

    Use TIG not oxy. Oxy requires longer to bring...

    Use TIG not oxy. Oxy requires longer to bring the bell up to welding temp. It puts a lot of heat into the bell. With TIG the heat will be localized.
  5. Probably 1018. The original screw ws pretty soft.

    Probably 1018. The original screw ws pretty soft.
  6. Replies
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    1,892

    +1 on center lap.

    +1 on center lap.
  7. I made a new lead screw for my tailstock that is...

    I made a new lead screw for my tailstock that is 3/8" longer than the original. That solves the problem of tools too short to eject.
  8. Now that you have it what the hell are you going...

    Now that you have it what the hell are you going to do with it?
  9. For jacks that do not have a stop or an...

    For jacks that do not have a stop or an observation window establish a max height for each jack based on the screw engaging the full length of female thread. Mark each jack with the maximum...
  10. Replies
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    1,468

    Use a gouge. Put a collar on the gouge that...

    Use a gouge. Put a collar on the gouge that bears against the back of the tool rest. That will hold a consistent diameter as long as the tool rest is parallel with the spindle.
  11. Replies
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    1,858

    Some shops are selling their drop on eBay. ...

    Some shops are selling their drop on eBay. Almost all will tell what the material is.
  12. If I sacrifice to the goddess will she keep my...

    If I sacrifice to the goddess will she keep my hinges from squeaking?
  13. The spindles look to be too short for a camelback...

    The spindles look to be too short for a camelback drill and too long for a mill-drill. They might fit an older Buffalo Forge & Blower drill press.
  14. I used to see RoRo trailer trains. It seems they...

    I used to see RoRo trailer trains. It seems they went obsolete with the advent of containers.
  15. I think 1/12 graduations were used in the...

    I think 1/12 graduations were used in the printing industry.
  16. I would be interested in a 10 piece assortment of...

    I would be interested in a 10 piece assortment of 3/8 through 3/4. PM me with the price. I can send a check by Bill Pay but need your name, address, phone number. Don't ship until the check clears....
  17. BA 0 and M6x1 have the same OD and pitch. BA has...

    BA 0 and M6x1 have the same OD and pitch. BA has 47.5* included angle and rounded crest and root. M6 is 60* included and flats at crest and root.
    Whitworth has a 55* included angle.
  18. I would be interested. Post on some of the hobby...

    I would be interested.
    Post on some of the hobby machinist sites. I bet you get a lot of interest there.
  19. Replies
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    1,528

    Are you referring to a half round drill?

    Are you referring to a half round drill?
  20. Replies
    19
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    1,715

    I am surprised that the spindle would turn at all...

    I am surprised that the spindle would turn at all with the heavy gear lube in the bearings. I had a Lehmann lathe with close fitted bronze bearings. They were drip lubricated. If someone...
  21. Replies
    45
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    3,663

    Where does the water go? It rises to the top....

    Where does the water go? It rises to the top. Assuming the top of the fill will be blow floor level it will have to be pumped or bailed out.
  22. We really need to see what the back of the part...

    We really need to see what the back of the part looks like. How are you holding the part? 3 jaw, 4 jaw, or faceplate?
  23. Replies
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    3,663

    Fill the pit with sand like used in concrete....

    Fill the pit with sand like used in concrete. Flood the pit with water. Use a concrete vibrator. Run the vibrator head all the way to the bottom. Do that every couple feet. That will make the sand...
  24. Replies
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    I have one too. It is at Colona IL. If you are...

    I have one too. It is at Colona IL. If you are in Eastern Iowa you could drive over and inspect it.
  25. The last time I was there Lost Creek Machine had...

    The last time I was there Lost Creek Machine had several Dickson toolposts and tool holders.

    I have a Dickson toolpost & 3 or 4 holders plus one holder that fits a larger toolpost.
    Give me the...
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