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  1. It is not difficult to enlarge a picture like...

    It is not difficult to enlarge a picture like that if it has good enough resolution. I did and can say it has some similarity to a Heinrich cross hole drilling jig, not in appearance, but in...
  2. Thread: Old files...

    by L Vanice
    Replies
    23
    Views
    1,595

    No, the house was built in 1974 and the previous...

    No, the house was built in 1974 and the previous owner liked brown. I replaced his brown bathroom sinks with white, but the basement carpet was too expensive, on top of buying the house. I have...
  3. Thread: Old files...

    by L Vanice
    Replies
    23
    Views
    1,595

    Another use not yet mentioned is to make them...

    Another use not yet mentioned is to make them into machine scrapers of various sizes. An old machinist that was teaching shop night school around 1978 (where I could use machines that I had not yet...
  4. Perhaps the word "spindle" should be drill chuck...

    Perhaps the word "spindle" should be drill chuck arbor, which would make the problem easier to understand, as would a picture.

    Larry
  5. Replies
    2
    Views
    346

    Many-flute, high-flute? Maybe a 1/2" cylindrical...

    Many-flute, high-flute? Maybe a 1/2" cylindrical carbide burr would work. Probably need coolant to clear the chips.

    SA5NF 1/2" X 1" Cylindrical Carbide Burr 1/4" Shank - Aluminum | DULSA5NF |...
  6. Maybe T-man has a local computer problem. I had...

    Maybe T-man has a local computer problem. I had no trouble navigating to the 1/2 BSW hex head cap screw page using Chrome.
    ...
  7. I still remember one of my first experiences with...

    I still remember one of my first experiences with buying a new Taiwan-made machine about forty years ago. The nuts and bolts had 1/4-20 and 1/2-12 threads and a metric hex. I replaced them with UNC...
  8. Replies
    18
    Views
    1,811

    About thirty years ago, I visited an Amish...

    About thirty years ago, I visited an Amish machine shop near Grabill, IN. They had a diesel engine pumping oil to hydraulic motors running a bank of large multi-spindle screw machines. I think...
  9. I had a Geometric head that was frozen and needed...

    I had a Geometric head that was frozen and needed Kroil to free it up. The cocking lever would not operate it and the front of the head would not pull out to trip it. It worked fine after the Kroil...
  10. I will add that, once the release knob is pulled...

    I will add that, once the release knob is pulled out and the front of the head has rotated to the chaser changing position, there are spring-loaded balls that keep the chasers from accidentally...
  11. There is a machinery for sale section for selling...

    There is a machinery for sale section for selling machines. This section is for tooling (vises, drill bits, machine parts etc.).
    ...
  12. Replies
    18
    Views
    1,811

    Looks to have a Jacobs 0 chuck (5/32" capacity),...

    Looks to have a Jacobs 0 chuck (5/32" capacity), so it is a sensitive high speed drill for small holes. Nice nameplate on the front, so easy enough to identify for a person standing in front of it...
  13. Replies
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    666

    First, use a good micrometer to find the diameter...

    First, use a good micrometer to find the diameter of the part you want to hold in a collet. Measure it more than once in different places to see if it is round and straight. Rough, out of round or...
  14. Replies
    2
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    246

    To further complicate the matter, Hardinge made...

    To further complicate the matter, Hardinge made lathes with the taper nose spindle in five different collet sizes and each had a taper nose in proportion to the collet. The collets were called...
  15. Replies
    1
    Views
    252

    Pro trophy shops and other markets for pantograph...

    Pro trophy shops and other markets for pantograph engravers mostly use computer operated engravers now, so old machines are mostly of interest to hobbyists. And little shops usually want little...
  16. Replies
    19
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    769

    My point is that the method I explained will...

    My point is that the method I explained will allow anyone to enlarge a picture (or text) to better see details. It works on the pictures Stephen posted. It works on the headstock cross section...
  17. Replies
    19
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    769

    If the original picture file is high enough...

    If the original picture file is high enough resolution, it can be enlarged on the screen. Click on the picture and the picture will appear with a "last next 1 of 5" or similar text below it. Now...
  18. Replies
    19
    Views
    769

    Hardinge did design changes on their machines and...

    Hardinge did design changes on their machines and tooling. The first change often resulted in the tooling model designation having B added after the original model, then C and so forth. On some...
  19. Replies
    19
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    769

    I guessed the 1939 date correctly. First number...

    I guessed the 1939 date correctly. First number in 1939 was 13662 and first number for 1940 was 14103.

    The 7" swing enclosed headstock lathes are much less common than the 9". The 7" slide rests...
  20. Replies
    19
    Views
    769

    The steel tombstone-shape plate on the back of...

    The steel tombstone-shape plate on the back of the headstock should have the actual serial number, which can date it. My best guess is around 1939. You also need to state the collet type (5C?) and...
  21. You should have found Tony's page on...

    You should have found Tony's page on Deckel/Alexander grinders by now. He mentions that the early grinders take a rare 16 mm collet, but the later ones take the common 20 mm collet.

    Alexander &...
  22. I only have one price list, dated November 15,...

    I only have one price list, dated November 15, 1983, for the DSM59 that has the machine prices added with a typewriter by the Chicago dealer where I got my sales literature in the 1980's. The...
  23. I thought it uses common Deckel 20 mm collets. I...

    I thought it uses common Deckel 20 mm collets. I have a matching set of 8 collets from 1/16 to 1/2 inch, but they have no marking except the order hole size. I don't recall now if they came with...
  24. Replies
    4
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    990

    It should be possible to insert a hunk of steel...

    It should be possible to insert a hunk of steel or wood between the table and the head and use the knee power to raise or lower the head.

    Larry
  25. UV treatment of milk has been done for years. ...

    UV treatment of milk has been done for years. Treating opaque liquids is not as easy as treating clear water.

    Could milk get ultraviolet treatment? | New Scientist

    Larry
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