Hows that made: 4th gen production line video

Discussion in 'Gen 4 Prius Main Forum' started by Mendel Leisk, Nov 18, 2017.

  1. Mendel Leisk

    Mendel Leisk Titanic Social Director

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    Not sure if this has been posted before, dated Feb 2017? Always interesting.


     
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  2. Skylis A

    Skylis A Senior Member

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    I wonder what kind of error messages the dashboard was showing around 7:50. That's a lot of manual labor, and makes me wonder that any car at random could have, as they say, a screw loose just from overlooking any one component.
     
  3. Mendel Leisk

    Mendel Leisk Titanic Social Director

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    I notice a couple of guys just looking over the door alignment, about half-way through. I'm sure there's a lot of checkers.

    I've noticed also on our car, a lot times there's coloured brush strokes across a connection, where hoses are pushed on, electrical connectors, some bolts. Not all of them, maybe just more critical ones.
     
  4. Prodigyplace

    Prodigyplace Senior Member

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    It was posted before but it is still interesting.
     
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  5. Mendel Leisk

    Mendel Leisk Titanic Social Director

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    Hmm, I noticed this also in a 3rd gen video, rear drum brakes:

    upload_2017-11-18_17-28-42.png

    For Japan market?
     
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  6. alanclarkeau

    alanclarkeau Senior Member

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    That doesn't look like a 3rd Gen PRIUS wheel arch profile. Total ring-in? PRIUS c is a bit more like that, but I doubt it.
     
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  7. PriusPeep

    PriusPeep Member

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    Thanks for posting. So interesting.

    I'm struck my the fact that they're all so young and so skinny. What happens when you reach your mid-20's and eat a few sandwiches? Do get get transferred to the Tundra line? Ha.

    Also, how can any human being maintain that pace and that level of focus for an entire shift? As previously mentioned, errors are bound to occur. One loose or missing screw and you're driving with a rattle you can't find.
     
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  8. pilotgrrl

    pilotgrrl Senior Member

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    Thanks for posting. I love factory tours! I've been meaning to go to Toyota City and take the tour (not where Prius is built), just haven't gotten there yet. Love that black shirts with the red Prius stripe, too!

    Posted via the PriusChat mobile app.
     
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  9. Mendel Leisk

    Mendel Leisk Titanic Social Director

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    My wording is confusing: it's a screen grab from the 4th Gen Prius assembly video. I recollect a third Gen assembly video showed similar drum brakes.

    Maybe in both cases it's Japan spec Prius.
     
  10. alanclarkeau

    alanclarkeau Senior Member

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    Yep - but it's definitely not a Gen 4 guard/wheelarch profile either - it doesn't swoop underneath.
    upload_2017-11-19_15-4-35.png

    Gen 4 is more square - (similar to Gen 3)
    upload_2017-11-19_15-6-14.png

    Vaguely possibly a "c" - but I think it swoops under too much:
    upload_2017-11-19_15-8-7.png
     

    Attached Files:

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  11. Elektroingenieur

    Elektroingenieur Senior Member

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    I imagine Toyota has devoted great deal of industrial engineering effort to preventing this through poka-yoke (mistake proofing). For example, it wouldn’t surprise me if the carrier for the door were designed not to release until the operator has used the torque wrench four times to install the bolts.
    This seems to be a standard practice in Toyota factories. If you watch Toyota’s Making the Mirai series on YouTube, you’ll see it done a few times:
    Several of the technicians appear to have colored markers in belt pouches.

    Notice also how the torque wrenches have electronic readouts and beep when the operator presses a button to record the torque values, which can be downloaded to a computer system. Tohnichi (“Your Torque Partner”) has several documents on their website about how this works.
     
  12. Mendel Leisk

    Mendel Leisk Titanic Social Director

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    When the hybrid battery is brought in, I notice a green spotlight on the arm, seems to be centred on a label affixed to the car's floor pan. Perhaps scanning/registering some data?
     
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  13. RRxing

    RRxing Senior Member

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    Are they still using Gen III wheels on the lower trims (around the 5:40 mark)?
     
  14. Mendel Leisk

    Mendel Leisk Titanic Social Director

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    The gen 3 and gen 4 15" rims are very close in appearance, but side-by-side there are some slight differences. Also, the centre hub opening, while it's the same ID, the groove for capturing a centre cap is a little different location, meaning 3rd gen caps won't fit. Also, just learned in the last day: 3rd gen was 15 x 6 J, and 4th gen is 15 x 6 1/2 J.
     
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  15. RRxing

    RRxing Senior Member

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    Talk about attention to detail! Nice!
     
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  16. Mendel Leisk

    Mendel Leisk Titanic Social Director

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    Not sure if this has been posted before, Toyota Mirai. Much more measured and leisurely pace, interesting too:

     
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  17. pilotgrrl

    pilotgrrl Senior Member

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    There were a few women working on the line there. It's pretty neat to see a hand-built car.

    Posted via the PriusChat mobile app.
     
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