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  • HAWK
    replied
    Scott V,

    There are no D700's in East TN. I can say there is one farther south in the US getting a real workout. This unit is not far enough along in its prototype testing and needs high volume workouts encompassing all of its parameters. At this time I am unable to provide the total feedback required in the testing of this machine.

    Does it have 700 amps of DC? We will have to wait and see what the final "to market" unit has to offer. This machine has features that can do jobs that, until now, were not considered possible with the GTAW process.

    Leave a comment:


  • Scott V
    replied
    So Hawk,
    how come you are not beta testing the Dynasty 700???
    I wonder if it has 700 amps dc?

    Leave a comment:


  • HAWK
    replied
    GTA/SPEC,

    Good question. I do not have a box and would love to use one. This is a new venture for me and any additional info is very much appreciated. I lost your email when my server crashed. Mine is [email protected]

    Leave a comment:


  • GTA/SPEC
    replied
    So Hawk, with that much heat going into your part, how do you plan on maintaining a non oxidized finish? I assume that you would be welding in a glove box. If you dont have one, I happen to have a spare SS glove box that i am not using currently....

    Leave a comment:


  • Mike W
    replied
    I used to work on battery chargers with multiple rectifiers (power supplies). I remember one where the load was 425 amps. Four 100 amp rectifiers were running at the current limit of 100 amps. The 5th was at 25 amps and controlled the battery float voltage. A 6th one was sitting there on line at a lower voltage in case one of the others died.

    Leave a comment:


  • HAWK
    replied
    dyn88,

    I do not have any definite answers or opinions other than tough stuff. However, to answer you paralleling ?: One machine will run wide open while the other machine will be used to add additional amperage via its remote.
    One machine does not have HF and the other machine's HF trigger will be physically disconnected via the trigger connector pins. The DCSP power will be provided via a common block totally insulated and isolated from all possible grounds to avoid loosing the 'Lift-Arc". The ground will be provided by a common block also. Does this help?

    BTW: I have a few ideas that may work w/o the paralleling sequence described above. This will take some time, but I feel is very doable.

    Leave a comment:


  • dyn88
    replied
    I thought you could only do that with stick. will you just run them with no foot pedal or are you going to run one wide open and foot pedal the second, or get tricky and put one foot on each pedal(now that you would need to post picks of)? How did you make out with the dynasty in ac? Its tough stuff huh? Some of the stuff I get is even bigger than what I sent you. 1/2 x 36 x 18(what a heat sink). I usually put a burner under it and weld over the da#@ blast furnace(like welding a 12000# drop hammer shoe)

    Leave a comment:


  • HAWK
    replied
    Originally posted by joebass
    What machine are you using to get to 500 amps?

    Joe,

    I will be running 2 machines in parallel to produce a maximum output of 700 amps DCSP.

    Leave a comment:


  • KB Fabrications
    replied
    [QUOTE=HAWK]Kevin,

    The material is very thick copper and even with considerable preheat requires high amperage and mutiple passes for the fillets. I might see if you would put your Piranha III to the test on 5/32" and 3/16" tungsten if I send you a few pieces. If not, I can get them from Diamond Ground.


    HAWK,
    I'd be glad to grind yer tungs. I still need to post a review of the PIII but it has proven its weight in gold (37 pounds? ). If your serious, shoot me an email at [email protected] and I'll send you my address.

    Leave a comment:


  • joebass
    replied
    What machine are you using to get to 500 amps?

    Leave a comment:


  • HAWK
    replied
    Kevin,

    The material is very thick copper and even with considerable preheat requires high amperage and mutiple passes for the fillets. I might see if you would put your Piranha III to the test on 5/32" and 3/16" tungsten if I send you a few pieces. If not, I can get them from Diamond Ground.


    Mike,

    I know 1/8" 2% lanthanted will handle 400 amps with a 35-45 degree taper. I am hoping for 5/32" tungsten, but may have to go to 3/16" diameter electrodes.


    Aphexafx,

    Cool idea! I wonder if they would go for it???


    Dyn88,

    I don't have any pull over there with Profax. They are just willing to go the extra mile. I always try to do the same. It usually pays dividends in the long run.


    Hankj,

    A 14 shade at 400 amps is too dark so it should be fine at 500 amps or so I hope. This is not aluminum so the radiant heat and light is not nearly as bad as you might think.

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  • hankj
    replied
    Think you'll also need a water-cooled pair of gloves, a flame retardant suit, and a shade 35 lens...


    Hank

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  • dyn88
    replied
    Hey HAWK thats quite the manual torch. You couldnt modify an automated torch for manual use? Or is that what profax is doing for you. They have to make the mold-WOW- do you have a lot of pull over there or are they just willing to go the extra mile to make you happy?

    Leave a comment:


  • Mike W
    replied
    What size tungsten do you need for 500 amps.

    Leave a comment:


  • aphexafx
    replied
    I'm impressed too. Wow! They should market it and name it... "The HAWK".

    Leave a comment:

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