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Lincoln Aspect 375 TIG Welder Run on a Phase Perfect Converter

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  • Lincoln Aspect 375 TIG Welder Run on a Phase Perfect Converter

    In 2010 I purchased a 15" Clausing Colchester Lathe and a Do-All vertical band saw, which both have three phase motors. In my garage I just have single phase power. I could have just installed a vector drive on each of these just like I did on my Bridgeport. Instead I decided to investigate if it was possible to use either a rotary or a digital three phase convertor for these two new machines for the present, with the idea of using the three phase convertor in the future to power a Dynasty 350 welder. The reason for doing this is that the Dynasty 350 has a much better duty cycle on three phase compared to single phase. After a discussion on this forum I decided to purchase and install a Phase Perfect PT-330 digital phase converter. I have powered my lathe and saw on the Phase Perfect for the past five years without any problems

    My friend who is an account manager at a local welding supply company just dropped off a brand new Lincoln Aspect 375 TIG welder for me to try out. The Lincoln Aspect 375 also has a reduced duty cycle on single phase similar to the Dynasty 350. I didn't want to smoke the Lincoln 320 amp water cooled torch that came with it so I limited my welding to 320 amps. I didn't have any problems welding aluminum at 320 amps with the Aspect 375 running on my Phase Perfect digital three phase generator.

    Attached are three pictures.

    The first picture shows my power setup in my garage. The panel on the left is my single phase distribution panel. The next panel to the right is the three phase distribution panel. In it I currently have one circuit breaker for the Lathe, one for the Do-All saw and the third for the three phase welder. The next panel is a relay box to start the phase perfect digital phase converter. The last three boxes to the right are the disconnect for the lathe, Do-All saw and three phase welder. The big box on the top is the Phase Perfect. The green stickers on the panels indicate that everything was inspected and approved by my local electrical inspector.

    The second picture is the Lincoln Aspect 375 welder, which is hooked up to my three phase power.

    The third picture is a piece of 1-1/2" round stock welded to a piece of 1-1/2" square stock to try it out.

    Below is a link to the original discussion:

    http://forum.millerwelds.com/forum/w...hase-convertor

    Don
    Attached Files
    Last edited by Don52; 11-08-2015, 09:15 PM.
    Miller Thunderbolt
    Smith Oxyacetylene Torch
    Miller Dynasty 200DX
    Lincoln SP-250 MIG Welder
    Lincoln LE 31 MP
    Lincoln 210 MP
    Clausing/Colchester 15" Lathe
    16" DuAll Saw
    15" Drill Press
    7" x 9" Swivel Head Horizontal Band Saw
    20 Ton Arbor Press
    Bridgeport

  • #2
    Don

    Aspect 375 TIG Welder..??

    Built where..??

    is this another Italian built or other offshore made machine.. imported and rebadged as a RED one...??

    the Italian Invertec machines have been a disaster...

    Just curious...
    .

    *******************************************
    The more you know, The better you know, How little you know

    “The bitterness of poor quality remains long after the sweetness of low price is forgotten”

    Buy the best tools you can afford.. Learn to use them to the best of your ability.. and take care of them...

    My Blue Stuff:
    Dynasty 350DX Tigrunner
    Dynasty 200DX
    Millermatic 350P w/25ft Alumapro & 30A
    Millermatic 200

    TONS of Non-Blue Equip, plus CNC Mill, Lathes & a Plasmacam w/ PowerMax-1000

    Comment


    • #3
      Originally posted by H80N View Post
      Don

      Aspect 375 TIG Welder..??

      Built where..??

      is this another Italian built or other offshore made machine.. imported and rebadged as a RED one...??

      the Italian Invertec machines have been a disaster...

      Just curious...
      The tag on the welder says that it was assembled in Cleveland OH with parts made in the USA and imported.
      The tag on the cooler says that it was made in Poland.

      Don
      Miller Thunderbolt
      Smith Oxyacetylene Torch
      Miller Dynasty 200DX
      Lincoln SP-250 MIG Welder
      Lincoln LE 31 MP
      Lincoln 210 MP
      Clausing/Colchester 15" Lathe
      16" DuAll Saw
      15" Drill Press
      7" x 9" Swivel Head Horizontal Band Saw
      20 Ton Arbor Press
      Bridgeport

      Comment


      • #4
        Originally posted by Don52 View Post

        The tag on the welder says that it was assembled in Cleveland OH with parts made in the USA and imported.
        The tag on the cooler says that it was made in Poland.

        Don
        Thanks Don...

        did a little research on it and from what I am seeing... it is only capable of 375 AMPS if it is on 3Phase.....

        and only 250 AMPS @ 30% Duty Cycle single Phase...

        Not even in the same room with a Dynasty 350....

        See Specs...page #8 of the manual..

        http://www.lincolnelectric.com/asset...n3/im10152.pdf
        Last edited by H80N; 11-10-2015, 08:36 AM.
        .

        *******************************************
        The more you know, The better you know, How little you know

        “The bitterness of poor quality remains long after the sweetness of low price is forgotten”

        Buy the best tools you can afford.. Learn to use them to the best of your ability.. and take care of them...

        My Blue Stuff:
        Dynasty 350DX Tigrunner
        Dynasty 200DX
        Millermatic 350P w/25ft Alumapro & 30A
        Millermatic 200

        TONS of Non-Blue Equip, plus CNC Mill, Lathes & a Plasmacam w/ PowerMax-1000

        Comment


        • #5
          Actually the duty cycle is exactly the same for both machines on both single and three phase as shown below.
          It seems that the Lincoln Aspect 375 copied the Miller Dynasty 350 output ratings exactly.
          The only difference is that Lincoln calls it a 375 amp machine and Miller calls it a 350 amp machine.

          Don
          Attached Files
          Last edited by Don52; 11-10-2015, 07:13 PM.
          Miller Thunderbolt
          Smith Oxyacetylene Torch
          Miller Dynasty 200DX
          Lincoln SP-250 MIG Welder
          Lincoln LE 31 MP
          Lincoln 210 MP
          Clausing/Colchester 15" Lathe
          16" DuAll Saw
          15" Drill Press
          7" x 9" Swivel Head Horizontal Band Saw
          20 Ton Arbor Press
          Bridgeport

          Comment


          • #6
            Originally posted by Don52 View Post
            Actually the duty cycle is exactly the same for both machines on both single and three phase as shown below.
            It seems that the Lincoln Aspect 375 copied the Miller Dynasty 350 exactly.
            The only difference is that Lincoln calls it a 375 amp machine and Miller calls it a 350 amp machine.

            Don
            Don

            Reading the manual and reading the chatter on WeldingWeb

            it sure sounds like they have limited the output to MAX of 250 amps with single phase input

            http://weldingweb.com/showthread.php...is-finally-out!


            Originally posted by H80N View Post

            Thanks Don...

            did a little research on it and from what I am seeing... it is only capable of 375 AMPS if it is on 3Phase.....

            and only 250 AMPS @ 30% Duty Cycle single Phase...

            Not even in the same room with a Dynasty 350....

            See Specs...page #8 of the manual..

            http://www.lincolnelectric.com/asset...n3/im10152.pdf
            Last edited by H80N; 11-10-2015, 07:01 PM.
            .

            *******************************************
            The more you know, The better you know, How little you know

            “The bitterness of poor quality remains long after the sweetness of low price is forgotten”

            Buy the best tools you can afford.. Learn to use them to the best of your ability.. and take care of them...

            My Blue Stuff:
            Dynasty 350DX Tigrunner
            Dynasty 200DX
            Millermatic 350P w/25ft Alumapro & 30A
            Millermatic 200

            TONS of Non-Blue Equip, plus CNC Mill, Lathes & a Plasmacam w/ PowerMax-1000

            Comment


            • #7
              I need me one of them phase perfect doofloppies.

              Comment


              • #8
                I want a phase perfect thingamabob too! how much is one of those suckers? Pricing is not listed on their website because you have to call.
                HTP Invertig221 D.V. Water-cooled
                HTP Pro Pulse 300 MIG
                HTP Pro Pulse 200 MIG x2
                HTP Pro Pulse 220 MTS
                HTP Inverarc 200 TLP water cooled
                HTP Microcut 875SC

                Comment


                • #9
                  Originally posted by OscarJr View Post
                  I want a phase perfect thingamabob too! how much is one of those suckers? Pricing is not listed on their website because you have to call.
                  Do a search for "Phase Perfect PT-330".
                  The current price is $3,340 including shipping.
                  Miller Thunderbolt
                  Smith Oxyacetylene Torch
                  Miller Dynasty 200DX
                  Lincoln SP-250 MIG Welder
                  Lincoln LE 31 MP
                  Lincoln 210 MP
                  Clausing/Colchester 15" Lathe
                  16" DuAll Saw
                  15" Drill Press
                  7" x 9" Swivel Head Horizontal Band Saw
                  20 Ton Arbor Press
                  Bridgeport

                  Comment


                  • #10
                    Originally posted by Don52 View Post

                    Do a search for "Phase Perfect PT-330".
                    The current price is $3,340 including shipping.

                    Thank you, I should have searched better, lol. Would be nice to have that unit. Bit out of my price range though, not to mention I don't even have a 3-phase welder, haha. I keep reading about how the arc is much much smoother on 3-phase than on 1-phase.
                    HTP Invertig221 D.V. Water-cooled
                    HTP Pro Pulse 300 MIG
                    HTP Pro Pulse 200 MIG x2
                    HTP Pro Pulse 220 MTS
                    HTP Inverarc 200 TLP water cooled
                    HTP Microcut 875SC

                    Comment


                    • #11
                      Originally posted by H80N View Post

                      Don

                      Reading the manual and reading the chatter on WeldingWeb

                      it sure sounds like they have limited the output to MAX of 250 amps with single phase input

                      http://weldingweb.com/showthread.php...is-finally-out!


                      I had some time over the Xmas break, so I decided to email Ivan Gracic who is the Product Manager -- TIG Process Solutions at the Lincoln Electric Company regarding the maximum output of the Aspect 375 on single phase. Here is a copy of my email:

                      Ivan,

                      On my welding forum the members are interpreting the specification for Aspect 375 to say that it is unable to weld above 250 amps on single phase, while the Dynasty 350 has a 10% duty cycle at 350 amps on single phase.

                      •Is this interpretation correct?

                      Below is a link to the the entire thread.

                      http://www.millerwelds.com/resources...fect-converter

                      Don
                      Here is Ivan's answer:

                      It is correct, in that the maximum permissible welding output that we provide through the Aspect 375 when on operating on single phase is 250 amps.
                      Our design team purposefully instituted this limit (from a design/long term reliability perspective), with respect to the input current associated with low voltage, single phase power (which has a higher peak).
                      Feel free to call me if you would ever like to discuss.
                      Your interpretation of the specification was correct.

                      Don
                      Miller Thunderbolt
                      Smith Oxyacetylene Torch
                      Miller Dynasty 200DX
                      Lincoln SP-250 MIG Welder
                      Lincoln LE 31 MP
                      Lincoln 210 MP
                      Clausing/Colchester 15" Lathe
                      16" DuAll Saw
                      15" Drill Press
                      7" x 9" Swivel Head Horizontal Band Saw
                      20 Ton Arbor Press
                      Bridgeport

                      Comment


                      • #12
                        Maybe.... they should have named it the ASPECT 250/375 to be more honest...??

                        Being a 250 amp machine on single phase.... it goes against the Dynasty 280 not the Dynasty 350 for a large number of users....
                        Last edited by H80N; 12-30-2015, 11:30 AM.
                        .

                        *******************************************
                        The more you know, The better you know, How little you know

                        “The bitterness of poor quality remains long after the sweetness of low price is forgotten”

                        Buy the best tools you can afford.. Learn to use them to the best of your ability.. and take care of them...

                        My Blue Stuff:
                        Dynasty 350DX Tigrunner
                        Dynasty 200DX
                        Millermatic 350P w/25ft Alumapro & 30A
                        Millermatic 200

                        TONS of Non-Blue Equip, plus CNC Mill, Lathes & a Plasmacam w/ PowerMax-1000

                        Comment


                        • #13
                          The lincoln is a thousand cheaper than the 280 dynasty, there target audience is probably not a guy in his garage welding horseshoes into a coat rack,

                          Comment

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