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Showroom 6DOF Build (Bodine Motors, Sabertooth, FlyPT Mover)

Discussion in 'DIY Motion Simulator Projects' started by BondeX, Mar 10, 2016.

Page 4 of 10
  1. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    If you don't want to weld you could use a hollow square tube and run threaded rod through it, add over sized washers either end and double lock nuts either end. Take a big hammer and bend the washer over the square tube.

    Not pretty buy it should hold.
    • Like Like x 1
    noorbeast, Mar 13, 2016
    #61
  2. BondeX

    BondeX Active Member

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    So, run the threaded rod all they way through or partially?
    BondeX, Mar 13, 2016
    #62
  3. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    If you were not going to weld, which really is recommended, it would need to be all the way through.
    noorbeast, Mar 13, 2016
    #63
  4. BondeX

    BondeX Active Member

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    So the hollow shaft would be there for support only?
    BondeX, Mar 13, 2016
    #64
  5. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    Yes, the shafts adds structural rigidity at relatively low weight.

    But better to weld the washers and end nuts, that way they can never move and you don't need the threaded rod running all the way through.
    • Like Like x 1
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    noorbeast, Mar 13, 2016
    #65
  6. BlazinH

    BlazinH Well-Known Member

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    I don’t like flux core myself so I recently bought their 170a 220v mig welder for $170. I added a tank for $90 and $40 for a regulator, so a complete mig for $300. Would cost double that most other places. First one I got welded good but when I shut off the tank the remainder bleed off quickly and I found a leak at the fitting that enters the machine. Its replacement has been good so far however.

    Love it, even comes with a face shield and chipping hammer. I liked mine so much they went straight in the trash though.:grin
    • Informative Informative x 2
    Last edited: Mar 13, 2016
    BlazinH, Mar 13, 2016
    #66
  7. bruce stephen

    bruce stephen Hammer doesnt fix it, must be electrical

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    • Like Like x 1
    bruce stephen, Mar 14, 2016
    #67
  8. shannonb1

    shannonb1 Well-Known Member

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    I used a harbor freight wire fed welder, the 90amp and mine held fine. I have done quite a few weight bearing welds though and know what to look for in weld penetration. This to be said it can be done. I have at times drilled out holes and then welded in the hole to help with thicker welds and walls on my lesser powered welder.
    • Agree Agree x 1
    shannonb1, Mar 14, 2016
    #68
  9. shannonb1

    shannonb1 Well-Known Member

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    On a side note, you can always find a mechanics shop or metal shop and they can weld these for you. Shouldn't charge you more then a few 10's or less to do it. It might take them like 10 minutes at the most.
    • Like Like x 1
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    shannonb1, Mar 14, 2016
    #69
  10. Nick Moxley

    Nick Moxley Well-Known Member

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    Agree with Shannon, DONT waste $$ and even more critical is Weight. You need thing's to be a light and strong as possible. Threaded rod, Tube, Washers, Nuts....all those come at a weight cost.
    • Like Like x 1
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    Nick Moxley, Mar 14, 2016
    #70
  11. bruce stephen

    bruce stephen Hammer doesnt fix it, must be electrical

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    My welder/inverter will burn through 3/8 steel no problem. Wire feed is for a little lighter steel and makes prettier welds. Wire feed looks pretty but you get less penetration. Stick is what you want for deeper stronger welds. Wire feed is great for body panels and such. For heavy steel stick is recommended. Especially with the low duty cycle of most of the hf welders.
    • Informative Informative x 1
    bruce stephen, Mar 14, 2016
    #71
  12. BlazinH

    BlazinH Well-Known Member

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    My 170amp MIG welds 1/4 steel with good penetration. I have not tried welding any 3/8 steel. Considering the next to highest setting welds 1/4 good I imagine it wouldn’t do to bad welding 3/8 on it highest setting although its not rated for it.

    Bottom line is if you are proficient with a stick welder already or if that is what you have available then using that is a good choice. If you are a beginner and have a MIG available or can afford to buy a MIG over a stick welder you will find it easier to use and to master.

    I like your choice for an 110vac stick welder though @bruce stephen . I like burning 6010 deep penetrating rod and it looks like your inverter welder will burn it? Or do you need 6011?

    Btw, it doesn’t look like the duty cycle on your welder is any better than mine though when you compare them amp to amp.
    BlazinH, Mar 14, 2016
    #72
  13. BondeX

    BondeX Active Member

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    Motors arrived :) There are very heavy duty motors, almost twice as large as wiper motors.

    Now, it says on them that they are gearmotors (60:1) so I could not turn them by hand so not sure how I will setup hall sensor.

    Attached Files:

    • Like Like x 1
    BondeX, Mar 14, 2016
    #73
  14. bruce stephen

    bruce stephen Hammer doesnt fix it, must be electrical

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    Yes, @BlazinH duty cycle is comparable, most harbor freight are low but I can weld 1/4 at about 2/3 throttle. The rod runs out before the inverter stops. I burn the 6013 deep for most applications. It welds dirty and Is really forgiving. I like wire welding it leaves a very nice finish especially with gas. I would really love to find a AC tig for aluminum. But they are not cheap.

    @BondeX pretty huh, they are heavy, it made me laugh about the way they send them flat rate.
    bruce stephen, Mar 14, 2016
    #74
  15. bruce stephen

    bruce stephen Hammer doesnt fix it, must be electrical

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    No stop pots so hook it up then adjust the pots to center with smc3ulitilies and 12 volt off. Once they are lined up you slowly add power to see if they chase or run from target. That's how I did it anyway.
    • Informative Informative x 1
    bruce stephen, Mar 14, 2016
    #75
  16. BondeX

    BondeX Active Member

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    not sure if I understand, but when my power supplies and pots come, I will give yall a shout.
    BondeX, Mar 14, 2016
    #76
  17. BondeX

    BondeX Active Member

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    OK guys, so I am trying to decide on the length of supporting rods and their angles. Are there any guidelines anywhere? I have been searching the web and not having much luck. Any help would be appreciated. Thanks
    BondeX, Mar 15, 2016
    #77
  18. Nick Moxley

    Nick Moxley Well-Known Member

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    You need to read some of the 6d0f threads IN Detail.
    • Agree Agree x 1
    Nick Moxley, Mar 15, 2016
    #78
  19. BondeX

    BondeX Active Member

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    I have gona through many 6dof threads and have picked up a few key things, will draw something out.
    BondeX, Mar 15, 2016
    #79
  20. shannonb1

    shannonb1 Well-Known Member

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    You should use that threaded end on the shaft. You can place a threaded rod through here and then have a coupler that connects the threaded rod to the hall sensor
    shannonb1, Mar 15, 2016
    #80
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