old tractor LANZ HP 4WD 1923 (scale 1/4)

Discussion in 'Engines From Castings' started by ZAPJACK, Jan 5, 2018.

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  1. May 5, 2018 #21

    ZAPJACK

    ZAPJACK

    ZAPJACK

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    98 Front axle boring
    99 Hooke's joint bearing
    100 Alignment set-up
    LeZap

    98.jpg

    99.jpg

    100.jpg
     
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  2. May 13, 2018 #22

    ZAPJACK

    ZAPJACK

    ZAPJACK

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    This is the machining of several gear train (Modul 0.7 - Z12)
    And inside of the differential
    LeZap

    101.jpg

    102.jpg

    103.jpg

    105.jpg

    106.jpg

    107.jpg
     
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  3. May 19, 2018 #23

    ZAPJACK

    ZAPJACK

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    machining the differential housing. It's a basic spur gearing differential
    At first, centering with a centering microscope and with dial test indicator.
    Finally, machining carefully
    LeZap
    108.jpg 109.jpg 110.jpg 111.jpg 112.jpg 113.jpg
     
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  4. May 21, 2018 #24

    ZAPJACK

    ZAPJACK

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    114 & 115 is the finished differential body
    116 is the rear differential housing. The steel axle is for the zero setting and to be sure that all the axles are perfect square
    117, 118 & 119 are the rear axle bearing. Again, I often use steel axle for zero setting and square fitted
    LeZap
    114.jpg 115.jpg 116.jpg 117.jpg 118.jpg 119.jpg
     
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  5. May 22, 2018 #25

    neil_1821

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    That’s some impressive work! I imagine it’s quite useful being able to cut your own gears. Keep the pictures coming :)
     
  6. May 22, 2018 #26

    e.picler

    e.picler

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    Edi from brazil

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    Congratulations LeZap!
    Impressive work. I observed that you use the boring head as facing head, I have never thought about that, very clever. I have learned one more skill.
    Good pictures too!

    Tks,
    Edi
     
  7. May 23, 2018 #27

    natalefr

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    Last edited: May 23, 2018
  8. May 24, 2018 #28

    ZAPJACK

    ZAPJACK

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    Again a complicate parts with lot of "zero setting"
    How can I qualify this kind of job? with the boring head.
    Is it "external boring" ??
    LeZap
    120.jpg 121.jpg 122.jpg 123.jpg 124.jpg
     
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  9. May 25, 2018 #29

    johnmcc69

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    Very nice!

    John
     
  10. May 27, 2018 #30

    ZAPJACK

    ZAPJACK

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    This is the articled join (articulated tractor) and the universal join
    LeZap
    125.jpg 126.jpg 127.jpg
     
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  11. Jun 3, 2018 #31

    ZAPJACK

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    This is the articled joint housing. Again, with lot of Zero setting, controls, ....
    LeZap
    128.jpg 129.jpg
     
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  12. Jun 4, 2018 #32

    bobden72

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    Great job I will be following progress.
     
  13. Jun 14, 2018 #33

    FKreider

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    Wow great work, cant wait to see the progress on this!
     
  14. Aug 29, 2018 #34

    ZAPJACK

    ZAPJACK

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    Here is the frame on the jig
    No any stress during the TIG welding.
    But welded carefully, one time on the left side and one time on the right side
    LeZap
    130.jpg 131.jpg 132.jpg
     
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  15. Aug 30, 2018 #35

    Cymro77

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    Whawwwww!:) that is some incredible machining.
     
  16. Sep 2, 2018 #36

    ZAPJACK

    ZAPJACK

    ZAPJACK

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    Next steps of the frame. Polishing the welded zone.
    It’s after finishing that I understand the high importance of all the sizes, angles, …
    There is lot of measurement on the gear box, differential, front axle, frame pivot, all angles are so important
    Don’t forget, it’s an articulated 4WD type tractor.
    This is the reason why I work very carefully and slowly
    There are three secrets to have success: we must measure, measure and measure again
    LeZap
    133.jpg 134.jpg 135.jpg 136.jpg
     
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  17. Sep 3, 2018 #37

    almarghi

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    Beautiful work. Congratulations!
     
  18. Sep 4, 2018 #38

    BIGTREV

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    Superb work
     
  19. Sep 18, 2018 #39

    ZAPJACK

    ZAPJACK

    ZAPJACK

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    After the frame and fitting accessories on it, here is the muffler
    completely coming from bar-stock in middle steel.
    After machining, the parts are completely polished.
    LeZap
    137.jpg 138.jpg 139.jpg
     
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  20. Sep 22, 2018 #40

    ZAPJACK

    ZAPJACK

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    Now the intake cover from bar-stock and the gasoil fuel-cap
    First blank mounting
    LeZap
    140.jpg 141.jpg 142.jpg 143.jpg
     

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