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  1. Replies
    50
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    1,999

    I have three Pioneer Mini-splits in my house...

    I have three Pioneer Mini-splits in my house installed last year. I'm in the process of installing a triple mini-split on the north side of our house now. It's really nice to go from room to room...
  2. What's worst than that is your cruising at around...

    What's worst than that is your cruising at around 75-80 MPH down on HWY 59 South and one of those car trains decide to pull over in the fast lane to pass some farmer going slower than they are...
  3. Thread: Howard Hughes

    by 4GSR
    Replies
    43
    Views
    2,727

    The directional drill motors were developed by...

    The directional drill motors were developed by other companies out there. Hughes Tool Company never did anything with drill motors. They didn't have time for that. At the time, they were up to...
  4. Late to the thread..... Take that 300 lb....

    Late to the thread.....

    Take that 300 lb. motor off the top of that Index 55 mill before going down the road. That pendulum (motor) will act like a 1200 lb bowling ball fixing to let go and flip...
  5. Thread: Spring making

    by 4GSR
    Replies
    27
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    1,743

    Here's a spring vendor I deal with that has a...

    Here's a spring vendor I deal with that has a fairly good selection of spring materials available.

    Custom Flat Springs - Spring Manufacturer Houston TX Flat Springs

    On the web page that comes...
  6. Thread: Spring making

    by 4GSR
    Replies
    27
    Views
    1,743

    In some of the equipment I deal with, we use a...

    In some of the equipment I deal with, we use a spring that is 0.030" thick and 1" wide. It's a leaf spring with a height of about .56" by about 3" long. I can compress it to flat and will spring...
  7. Replies
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    2,467

    Looking good!!! Ken

    Looking good!!!

    Ken
  8. Replies
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    11,819

    Powderhorn has not posted in four years. ...

    Powderhorn has not posted in four years. Probably will not get a reply from him. May try a PM for better results.

    Highly suggest that you start a new thread and there are many of us that are...
  9. Replies
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    1,137

    That's what you think. Most of the shops that...

    That's what you think. Most of the shops that have Lehmann Hollow Spindle lathes in them own those lathes and most have paid for the buildings they set in. Plus they are in the repair and onesy and...
  10. Replies
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    558

    Something I do to almost all of my Jacobs drill...

    Something I do to almost all of my Jacobs drill chucks to remove the arbor. Drill a sizable hole thru the ID of the chuck body and use a drift punch to drive it off the arbor or shaft. Provided it...
  11. Replies
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    14,186

    There's a very good chance that hoop stress and...

    There's a very good chance that hoop stress and modulus of elasticity in the nut material cause the nut to expand and unzip from the thread. Somebody probably designed or cut one pass too much in...
  12. Replies
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    1,175

    The last four manual machines I bought for my...

    The last four manual machines I bought for my shop were bought sight unseen. Just relied on pictures. Only did this because the machines were cheap, less shipping, and I knew I had to do some (LOTS...
  13. Replies
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    14,186

    Forging probably came from India..... Wonder...

    Forging probably came from India.....

    Wonder if they did radiographic x-ray or just ultrasonic surface NDE on that massive chunk of iron? Wonder if the engineer figured his strengths on 75K psi...
  14. Replies
    21
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    1,175

    It's kind of hard to "feel" the ways of a machine...

    It's kind of hard to "feel" the ways of a machine from a camera view. You got to be there in person or know somebody that you can trust, which I don't know of anybody other than John Oder, that can...
  15. Replies
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    236

    You're fine with what you have done there. ...

    You're fine with what you have done there. Flange really should have been an inch or so larger in diameter, just as long as the bolts have sufficient wall thickness to the OD of the chuck adapter. ...
  16. Replies
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    2,279

    Here's a set of bearings on ebay. Just search...

    Here's a set of bearings on ebay. Just search for "7007 bearing" and you will get almost 400 hits, but not all of them are super precision bearings.

    NACHI 7007CYDU/GL PRECISION BEARINGS - DUPLEX...
  17. Any chance of doing one a tad smaller? Say 12 x...

    Any chance of doing one a tad smaller? Say 12 x 24 x 3" or 12 x 18 x 3? Ken
  18. If you need more dimensions let me know. These...

    If you need more dimensions let me know. These things are starting to sprout funny looking legs......

    Ken
  19. Replies
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    The grain structure of the broken tooth indicates...

    The grain structure of the broken tooth indicates it is hard, guess around 50-60 HRC.

    Do not do a full anneal, just take the temperature up to 1000 deg F and hold for one hour and furnace cool to...
  20. Replies
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    12,689

    There is nothing standard about the taper in the...

    There is nothing standard about the taper in the spindle except the taper per foot. It is the same taper as a No. 5 Morse taper has. The gage diameter at the face is around 1.500 dia. There should...
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    It scares the crap out of me every time I see...

    It scares the crap out of me every time I see someone use casters under their lathe to move it around.

    You be careful there, that 1400 lb lathe is VERY top heavy and can tip at the moment least...
  22. Replies
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    2,279

    My 612 machine carries a bearing number of 7007. ...

    My 612 machine carries a bearing number of 7007. That would be basic number of 2mm7007xxxxx. Probably a DU arrangement? You will need two pairs of bearings. I would suggest getting the spindle...
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    $2100 sounds very cheap compared to what you are...

    $2100 sounds very cheap compared to what you are fixing to do, take it apart yourself. You need some kind of holding fixture to clamp the rotor and backoff that lock nut. Be sure to witness mark...
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    How's their pricing on repair parts for KO Lee...

    How's their pricing on repair parts for KO Lee stuff?
  25. Thread: Chinesium steel

    by 4GSR
    Replies
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    3,362

    It's pretty bad when the people I used to deal...

    It's pretty bad when the people I used to deal with in China, they would bring in Stainless, 13Cr primarily, from either Korea or Japan. They would not buy SS from their own country to make parts...
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