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  • Erich's Avatar
    06-13-2018, 09:40 AM
    that's what that does. The long drawbar going to the right rotates with the lathe spindle. That is your shaft. Ignore the bright cylinder. The...
    30 replies | 1255 view(s)
  • Erich's Avatar
    06-07-2018, 02:02 AM
    Erich replied to a thread Buying first lathe in General
    None of those are good for a typical home users first lathe. Turret lathes are for production. Repeating the same set of operations over and over. ...
    155 replies | 5268 view(s)
  • Erich's Avatar
    06-05-2018, 09:31 PM
    Erich replied to a thread Is this machinable? in General
    You are no longer in the realm of machining X to a print. You are in the realm of reverse engineering. You have to divine the intent of the original...
    18 replies | 1467 view(s)
  • Erich's Avatar
    05-21-2018, 11:24 PM
    Long rod the diameter of the unworn hole. Slide it through the entire carb. bias the rod to the unworn side. Indicate the rod to find center. BORE...
    25 replies | 1366 view(s)
  • Erich's Avatar
    04-21-2018, 02:40 PM
    Erich replied to a thread Tightening up my lathe in General
    Evaluate backlash at 3 locations in the cross slide travel. All the way out. location for normal turning of a 1/2 to 1 inch diameter bar. All the...
    8 replies | 561 view(s)
  • Erich's Avatar
    04-20-2018, 05:56 PM
    Erich replied to a thread thread measuring in General
    Yes. Wires because they are cheaper than thread mics. If I did this regularly I would spend the dinero for a thread mike.
    14 replies | 793 view(s)
  • Erich's Avatar
    04-18-2018, 12:59 AM
    Erich replied to a thread Cutting 3" Acrylic Tube in General
    clamp one end in the 3 jaw chuck, run the other end in a steady rest. Face and chamfer end. flip part and repeat.
    25 replies | 1565 view(s)
  • Erich's Avatar
    04-14-2018, 12:34 PM
    Erich replied to a thread What material OT? in General
    Granite or some other type of stone.
    23 replies | 1672 view(s)
  • Erich's Avatar
    04-10-2018, 09:59 PM
    Erich replied to a thread A Delrin Question in General
    6.8 e-5 in/in/F
    8 replies | 957 view(s)
  • Erich's Avatar
    04-06-2018, 07:17 PM
    You can nest two angle plates together two ways. One the small points together. The other they are opposite. In the first case the angles add. In...
    23 replies | 2310 view(s)
  • Erich's Avatar
    04-01-2018, 10:26 PM
    This is the way I think this technique works. Small focused spot of heat does two things. 1 reduces yield strength. 2 Causes thermal expansion in...
    35 replies | 4561 view(s)
  • Erich's Avatar
    03-31-2018, 10:19 PM
    What is it (major diameter) when they are different?
    229 replies | 15077 view(s)
  • Erich's Avatar
    03-31-2018, 01:31 PM
    I don't agree. Start a thread by cutting the OD to the nominal major diameter. Now cut the thread to nominal pitch diameter. Measure it over wires...
    229 replies | 15077 view(s)
  • Erich's Avatar
    03-27-2018, 10:15 AM
    Erich replied to a thread Lathe problems - bed twist? in General
    DO NOT USE THE TAILSTOCK FOR THE FIRST GO ROUND OF TESTING. All you will learn is about tailstock alignment. Because you want a long stick out and...
    70 replies | 4920 view(s)
  • Erich's Avatar
    03-24-2018, 03:13 PM
    Erich replied to a thread O.T. washing machine motor in General
    The porcelain coated drums make great firepits for camping or the back yard. the holes allow good air flow and the metal gets glowing red hot so you...
    37 replies | 2567 view(s)
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About Erich

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About Erich
Location:
Poway CA
Interests:
Backpacking and making swarf
Occupation:
Mechanical Engineering

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