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This Mornings Machining Project

Discussion in 'Builds and Fabricators Forum' started by Mcruff, Dec 5, 2017.

  1. Dec 25, 2017
    garage gnome

    garage gnome Rust polisher Sponsor

    Western MA
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    I’ll let you know how it works out when I put it in.
     
  2. Dec 25, 2017
    cj6/442

    cj6/442 Sponsor Sponsor

    Fallbrook, Calif
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    those shims are sweet
     
  3. Dec 26, 2017
    Howard Eisenhauer

    Howard Eisenhauer Super Moderator Staff Member Sponsor

    Tantallon, Nova...
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    What bearings did you use for the bellcrank?
     
  4. Dec 26, 2017
    garage gnome

    garage gnome Rust polisher Sponsor

    Western MA
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    Some tapered roller bearings. I can get the number off them when I get it back.
     
  5. Dec 26, 2017
    Howard Eisenhauer

    Howard Eisenhauer Super Moderator Staff Member Sponsor

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    I'd appreciate that. :)
     
  6. Dec 26, 2017
    Mcruff

    Mcruff Earlycj5 Machinist Sponsor

    Albertville, AL
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    Timken LM11710 & LM11749, these were the ones I installed. The bore is .6875. I love how Timken gives dimensions in millimeters on their website but all tapered roller bearings are built using standard dimensions.
     
  7. Dec 26, 2017
    Howard Eisenhauer

    Howard Eisenhauer Super Moderator Staff Member Sponsor

    Tantallon, Nova...
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    Thanks Mike, I believe those are standard wheel bearings. I've got this on my to do list once I get my mill set up.
     
  8. Dec 26, 2017
    Mcruff

    Mcruff Earlycj5 Machinist Sponsor

    Albertville, AL
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    Howard here is what it looked like clamped to my mill. Kind of scary but worked out OK.
    It is bolted to a 1-2-3 block that is clamped to the table with gage blocks under the round part and 2 tow clamps against the arms pressing it to the table. This was actually quite rigid.

    Bellcrank on mill.JPG
     
    mike starck and Fly Navy like this.
  9. Dec 27, 2017
    Howard Eisenhauer

    Howard Eisenhauer Super Moderator Staff Member Sponsor

    Tantallon, Nova...
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    :shock:

    Rube Goldberg ain't got nuthin on you Mike :)

    I'm no wheres ready to attempt this myself but i have been thinking about how to do it; what I'm thinking is a pice of 1/4" plate wint a hole in the middle to slip over the arm & bolting the plate to the table.

    I have a rotary table , would you recommend using the rotary table & an end mill to cut away the bore or (what I'm assuming you did) centering the bore under the quill & using a boring head?
     
    cookieman likes this.
  10. Dec 27, 2017
    Mcruff

    Mcruff Earlycj5 Machinist Sponsor

    Albertville, AL
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    I did use a boring head, the plate will work but I trued up the faces of the hole as they had wear marks and would not sit flat.
     
  11. Dec 28, 2017
    Howard Eisenhauer

    Howard Eisenhauer Super Moderator Staff Member Sponsor

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    Ah, hadnt thought of that, I'll check mine for that.
    Any thoughts on the boring head vs. the rotary table?
     
  12. Dec 28, 2017
    wheelie

    wheelie beeg dummy Sponsor 2019 Sponsor

    York, PA
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    Wow! As someone who knows very very little about what you do, Mike, I have to say that it looks both scary and impressive. The outcome certainly seems impressive. I wish I could apprentice with you for a few years.
     
    47v6 likes this.
  13. Dec 28, 2017
    Mcruff

    Mcruff Earlycj5 Machinist Sponsor

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    Howard I did it with the boring head, the main reason was ease of setup, the part would be hard to set up on my small 6” rotary table. If you have a larger one go for it. I like to use a boring head because it is easier for me to control size and guarantees it’s round with no interruptions.
     
  14. Dec 28, 2017
    3b a runnin

    3b a runnin Member Sponsor 2019 Sponsor

    virginia
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    me too!
     
    Mr.T likes this.
  15. Dec 28, 2017
    Mcruff

    Mcruff Earlycj5 Machinist Sponsor

    Albertville, AL
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    Thanks guys I would love to have somebody around that shares my passion!! I keep thinking my son in law will take more of an interest, my son sure hasn't.
     
  16. Dec 30, 2017
    garage gnome

    garage gnome Rust polisher Sponsor

    Western MA
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    If you were closer to me, I would be there all the time! I have so many engine projects...
     
    ronnie victor likes this.
  17. Jan 4, 2018
    garage gnome

    garage gnome Rust polisher Sponsor

    Western MA
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    Got the modified bell crank yesterday. I cannot wait to put it on my jeep now! :D
     
  18. Jan 4, 2018
    SIDSCJ

    SIDSCJ Jeep addict

    New Haven, Vermont
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    If you really can't wait, you can put it on my Jeep........:coffee:
    That looks sweet! Think he'd make another one?
     
  19. Jan 5, 2018
    garage gnome

    garage gnome Rust polisher Sponsor

    Western MA
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    I sure hope so. I need this modification done to my other jeep as well!
     
  20. Jan 5, 2018
    Mcruff

    Mcruff Earlycj5 Machinist Sponsor

    Albertville, AL
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    So as long as this seems to workout ok, I have no problem with doing it again.
     

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