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Thread: Grinding a sintered bronze bushing - GIF

  1. Apr 7, 2023, 10:27 AM #1
    Altair
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    Grinding a sintered bronze bushing - GIF

    Grinding a sintered bronze bushing.




    Previously:

    Grinding a bearing race - GIF
    Grinding a large drill bit - GIF
    Crankshaft journal grinding machine - GIF
    Crankshaft grinding - video
    Wrench grinding machine - GIF
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    piper184 (Apr 8, 2023), Ralphxyz (Apr 7, 2023), verticalmurph (Apr 8, 2023)
  3. Apr 7, 2023, 07:11 PM #2
    Ralphxyz
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    Ok, so what are we seeing?
    Ralph
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  4. Apr 7, 2023, 07:49 PM #3
    mdhatter3
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    Very good question
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  5. Apr 7, 2023, 07:56 PM #4
    desbromilow
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    guessing it's the oil boiling off through the pores of the bush
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  7. Apr 7, 2023, 08:17 PM #5
    Frank S
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    Quote Originally Posted by Ralphxyz View Post
    Ok, so what are we seeing?
    Ralph
    It looks like grease weeping out of the porous metal after it was heated by grinding
    Never try to tell me it can't be done
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  9. Apr 9, 2023, 01:37 PM #6
    daniel82
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    Quote Originally Posted by Ralphxyz View Post
    Ok, so what are we seeing?
    Ralph
    Bronze-worms...deadly poisonous. They burrow right through your skin & into the bloodstream. Due to their small size & molecular similarity to haemoglobin, they cross the blood-brain barrier and cause addiction to metal-working, especially with copper-tin alloys, thus ensuring their continued reproduction.
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    Frank S (Apr 9, 2023), WmRMeyers (Apr 9, 2023)
  11. Apr 9, 2023, 05:24 PM #7
    WmRMeyers
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    Quote Originally Posted by desbromilow View Post
    guessing it's the oil boiling off through the pores of the bush
    By George, I think you have it! To steal a phrase.



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