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  • pulsed

    how thin would sheet metal need to be befor you needed to pulse?it seems that with the tig set down to 10amps you could get prity thin without pulsing.
    keep in mind i havent tryed to tig yet so if this is a stupid question bear with me.i'm just trying to see the need/wants for the pulse in tig i know it would be real nice to fill in with mig as i manualy pulse my mig to fill but what about tig where i could drop the amps to say 10?
    thanks for the help
    ......or..........
    hope i helped
    sigpic
    feel free to shoot me an e-mail direct i have time to chat. [email protected]
    summer is here, plant a tree. if you don't have space or time to plant one sponsor some one else to plant one for you. a tree is an investment in our planet, help it out.
    JAMES

  • #2
    fun4now,

    Pulsing the TIG arc reduces overall heat input thereby reducing warpage. It also helps stabilize the arc. I like to use the pulse feature for .065" and thinner. When you drop into the 25 amps and lower ranges pulsing is not as beneficial because there is not much difference between the peak amperage and background amperage values,

    Comment


    • #3
      Hawks right on with this one, i only use pulse on 1/16th and less, mainly i use the pulse on my S/S, as it cuts down on the warping and bluing on the S/S.

      BC
      BC

      Dynasty 200DX
      Coolmate 3
      MM210 w/3035 spoolgun
      Cutmaster 101
      LC1230 12" Metal Cutting Saw

      Comment


      • #4
        syncrowaves ???

        what do people with syncrowaves do ?
        can you get a pulser to add on? is it werth the $$$ to add a pulser ?or just upgrade to a dynasty?
        right now i have decided i need to spend less $$$ to get a starter tig. i was going to get the dynasty but just cant justify the $$$ for a hobby?
        i gess if i find a way to make some $$$ with the syncrowave i could always upgrade later.
        was also looking at the thermal arc 185 (inverter type) witch hase all the bells and wistles of the dynasty at a much lower $$. also the lincon 185 has the pulser built in. my dealer has a last year modle of the syncrowave 180 witch as fare as i can tell the only differance between last and this year modle is the ajustable postflow?
        i can get last years for $1400.00
        any thoughts.unforchanetly i think the dynasty is out of the running till i can find a way to make some $$$ with what i have as i'm on disability and the checks are small.
        thanks for the help
        ......or..........
        hope i helped
        sigpic
        feel free to shoot me an e-mail direct i have time to chat. [email protected]
        summer is here, plant a tree. if you don't have space or time to plant one sponsor some one else to plant one for you. a tree is an investment in our planet, help it out.
        JAMES

        Comment


        • #5
          You can get the PC300 pulser. It's an add on that goes between the foot pedal and machine. It will take your foot pedal settings and pulse them between whatever parameters you indicate on the control box.

          Have fun

          Andy

          Comment


          • #6
            syncrowave ?????

            The Syncrowave 180 is a very good machine and stacks up favorably against the D-200 in all respects, especially price. The addition of a pulser to this machine would top it off nicely. I would not consider a move from a Syncrowave machine to a Dynasty machine an "upgrade", both machines have their place and you should become familiar with all of the capabilities of both before making a purchase.

            When you consider The Syncrowave 250 DX and Syncrowave 350 LX, either of these machines will out perform the D-200 and or D-300. Just look at the power figures and you can compare for yourself. Of course the Syncrowave units are not considered portable units and therefore are not suitable for portable or remote use. In these cases the Dynasty units offer the ability to work in the pits where their limited output is satisfactory.

            Both Dynasty (DX) units have built in pulsing. Only the Syncrowave 350 LX comes with the pulser as a standard feature. Pulsing is an excellent feature and is applicable to many situations. The thought that pulsing should be restricted to thin material is purely a subjective thought, we use pulsing at high power to control heat just as we do on thin material, try it you will be happy with the new dimension that this adds to your work.






            Originally posted by fun4now
            what do people with syncrowaves do ?
            can you get a pulser to add on? is it werth the $$$ to add a pulser ?or just upgrade to a dynasty?
            right now i have decided i need to spend less $$$ to get a starter tig. i was going to get the dynasty but just cant justify the $$$ for a hobby?
            i gess if i find a way to make some $$$ with the syncrowave i could always upgrade later.
            was also looking at the thermal arc 185 (inverter type) witch hase all the bells and wistles of the dynasty at a much lower $$. also the lincon 185 has the pulser built in. my dealer has a last year modle of the syncrowave 180 witch as fare as i can tell the only differance between last and this year modle is the ajustable postflow?
            i can get last years for $1400.00
            any thoughts.unforchanetly i think the dynasty is out of the running till i can find a way to make some $$$ with what i have as i'm on disability and the checks are small.
            72boss

            Syncrowave 350LX
            MM210 w/3035
            Smith Dual Guard for Welding & Cutting

            Comment


            • #7
              Originally posted by 72boss
              The Syncrowave 180 is a very good machine and stacks up favorably against the D-200 in all respects, especially price. The addition of a pulser to this machine would top it off nicely. I would not consider a move from a Syncrowave machine to a Dynasty machine an "upgrade", both machines have their place and you should become familiar with all of the capabilities of both before making a purchase.

              When you consider The Syncrowave 250 DX and Syncrowave 350 LX, either of these machines will out perform the D-200 and or D-300. Just look at the power figures and you can compare for yourself. Of course the Syncrowave units are not considered portable units and therefore are not suitable for portable or remote use. In these cases the Dynasty units offer the ability to work in the pits where their limited output is satisfactory.

              Both Dynasty (DX) units have built in pulsing. Only the Syncrowave 350 LX comes with the pulser as a standard feature. Pulsing is an excellent feature and is applicable to many situations. The thought that pulsing should be restricted to thin material is purely a subjective thought, we use pulsing at high power to control heat just as we do on thin material, try it you will be happy with the new dimension that this adds to your work.
              I HAVE TO DISAGREE. THE 300 INVERTER DYNASTY WILL OUTWELD ANY OF THE SYNCROWAVES INCLUDING THE NOW DISCONTINUED SYNCRO 5OO. NUMBERS ON PAPER DON'T ALWAY EQUATE TO REAL LIFE. THIS IS ONE OF THOSE CASES. LONG STORY SHORT: THE WAVE SHAPING CAPABILITIES OF THE DYNASTY 300DX COUPLED WITH ITS MORE PUNCH PER INVERTER AMP KICKS BUT WHEN IT COMES TO THE SYCROWAVES. I AGREE BOTH HAVE THEIR PLACE AND IT WOULD NOT HURT MY FEELINGS TO HAVE A DYNASTY 300DX AND A SYNCRO 350 DX IN THE NEW STYLE.

              HOWEVER, I DO AGREE THAT PULSING FUNCTIONS CAN AND ARE USED THROUGH OUT THE MACHINES OUTPUT RANGE. I DO REGULARY PULSE FROM 30-300 AMPS FOR CAST AND ANODIZED ALUMINUM AS WELL AS FOR HEAT FOR HEAT CONTROL AND ARC STABILIZATION.

              Comment


              • #8
                Syncrowave vs. Dynasty

                Your optimism about the 300DX is appreciated, after all it is a fine machine in it's own right, but to state that it will outweld any of the Syncrowaves you have to stretch a bit.

                Lets take for example your statement about wave shaping...AC Wave shaping is basically the same on both the Syncrowave (32 to 68%) and the Dynasty (30 to 90%). The big difference is in AC frequency control where the Dynasty offers a 20-250 HZ control of the AC wave frequency and the Syncrowave is held to the imput frequency, normally 60 HZ. This feature allows the Dynasty to present a sharper arc on AC which in turn offers good characterisics for welding Aluminum. However, this is not to say that the Syncrowave does not do an excellent job on Aluminum, It does. When welding DC the two machines are basically the same.

                In the area of power, there is certainly no Syncrowave but kicking going on.

                The Syncrowave 350 LX has output of 400 amps to 30%, The Dynasty 300 DX has output of approximaely 270 amps at 30%.

                The Syncrowave 350 LX has output of 350 amps at 40%, The Dynasty 300 DX has output of 250 amps at 40%.

                The Syncrowave 350 LX has output of 300 amps at 60%, The Dynasty 300 DX has output of 200 amps at 60%.

                The Syncrowave 350 LX has output of 250 amps at 100%, The Dynasty 300 DX has output of 175 amps at 100%.

                If you want to hold the pedal down and weld and do not require portability then the Syncrowave should be your choice, If portability is a must then the Dynasty is your machine.

                The Dynasty 300 DX costs $600 more than a comparable Syncrowave 350 LX.

                The Dynasty 300 DX costs $2344 more than a comparable Syncrowave 250 DX, which is also a 300 amp machine with comparable or better duty cycle than the Dynasty 300 DX.

                The Inverter machines are good machines, but they are not to be sought out at any cost. As a matter of fact you will normally pay more for an inverter machine of the same amp rating as other types. There are rumors that Miller has a higher power inverter is on the way, those same rumors place the cost at over $8000.

                I don't have a need for a portable machine now, but when I do the Dynasty will be high on my list for consideration.
                72boss

                Syncrowave 350LX
                MM210 w/3035
                Smith Dual Guard for Welding & Cutting

                Comment


                • #9
                  Synchrowave vs Dynasty

                  72boss,
                  I'm not a TIG welder, yet, but isn't there a vast difference in input requirements for the Synchro vs the Dynasty? I was under the impression that inverter machines were hugely more efficient at maximizing input.

                  Weld on,
                  Alex
                  Be cool,
                  Alex

                  FREEDOM ISN'T FREE
                  SUPPORT OUR TROOPS

                  Comment


                  • #10
                    72BOSS,


                    I have burned them both and even though the numbers are there the little 300DX will hold its own without a doubt. My words are from experience. My 300DX is running 3/8" fillets on 60601T-6 series aluminum at 185 amps with 100% argon. If you do the math, there is no possible way. However, it is the honest truth. The inverter arc of the 300 packs a real wallop per amp. Take the same 185 amps on the Dynasty 200 and you will be lucky to push 1/4" with 75 helium /25% argon shielding. It has a lot to do with the power IGBTs. My little 300DX has pleased time and again form .004" hastealloy ribbon to 1" aluminum webbing. As for steel I tend to work outside the accepted practices in that I weld steel on AC with the balance set around 97-99%EN. this gives me the extra cleaning action I want, turns on the arc frequency adjustment, and prolongs tungsten life as now the wave must cross the 0 line giving the ever so small amount of time for the electrode to cool. I know the literature state the Dynasty is adjustable form 30 -90% EN, in reality it is 30% to 99% EN which gives the thought of mild steel TIG on AC a whole new possibility. Try it on your Syncrowave.

                    I AM INTERESTED IN WHAT ANDY HAS TO SAY SINCE HE TOO HAS WELDED WITH BOTH MACHINES.

                    Please understand I am not pushing for a verbal war here. I am only trying to share with you what most folks think is unreal. There is no way for me to explain this machine unless you spend some time with to see it will do what I am telling it will do. I am really presenting an opportunity for you to try some new techniques and really think about what I am telling you. Give it a chance.

                    The Syncro 350 is a heck of a machine! No argument there. Put a bottle of helium on it and look at anodized aluminum.

                    Comment


                    • #11
                      no verbal war...

                      Your statement with regard to the Dynasty Kicking Butt when it comes to the Syncrowaves is misleading and refers to a very narrow spectrum of the Dynasty's and/or Syncrowaves capbilities, that is, the AC welding of Aluminum. You talk as if the Syncrowave has no capability in this area compared to the Dynasty. In fact the Syncowave is very good in these areas and superior in most others.

                      Your statement "As for steel I tend to work outside the accepted practices in that I weld steel on AC" explains a lot. All of the welders that I know normally weld steel using DC current. Most of the people that you influence with your conversation will be welding steel and virtually all other metals with DC current. Tig DC welding of steel is virtually the same whether using a Syncrowave or a Dynasty.

                      I appreciate your presenting me with the opportunity to try some new techniques. I do not doubt that you are sincere about your conclusions and from the reports that I get from the field the Dynasty machines are filling a gap in portable welding needs. I would like to take your advice and "Give it a chance" but the exercise would be too expensive.

                      If I were asked to recommend a Tig welder to someone starting out, I would definately point to the Syncrowave 180. This is an excellent machine at a reasonable price.

                      The truth of the matter is that putting portability aside the new Syncrowave is a better buy.

                      Look for a new Syncrowave 250 DX with integrated cooler soon.....
                      72boss

                      Syncrowave 350LX
                      MM210 w/3035
                      Smith Dual Guard for Welding & Cutting

                      Comment


                      • #12
                        Both Machines have their place, but

                        I'll never part with my 300dx for all the tea in china. I think the 300dx is a little agressive when it comes to steel { i hate the little tit it makes at the end of the weld, now i'm learning to fan it out**. The best steel tig welder i've ever used believe it or not was my first tig welder {330a/bp**. But when it comes to aluminum the 300dx runs circles around my old 330a/bp and my older sync 250. For example; When welding cylinder heads with 75ar/25he on my sync 250 i could never get the puddle going without preheat and the machine was always set over 245 amps, With my 300dx i no longer need to preheat, the machine is rarely set over 185 amps, 65% negative, and frequency set to 120hz. The 300dx cuts thru a cold cylinder head like butter.

                        The Sync series is tested though. They for the most part are unbreakable. MY 330a/bp is still going 30 yrs later {a friend has it now**, and the sync 250 is 11 yrs old {never a problem**
                        Mike. R


                        Dynasty 300dx tig runner w/ 3 torch Versa-Tig torch changer {wt-20f, wt-24f, mt-125**
                        MM 251/30a/4015 roughneck
                        Miller portable spot welder
                        Inferno >>> Big Window Elite

                        Comment


                        • #13
                          To me the Thermal-arc 185 makes the most sense in that price range. It has it all over a 180 syncro on the ac side and dc if you want to pulse. You just cannot compare something like a decent ac/dc inverter to a standard type machine. It like comparing a econotig to a Miller SD 180 but even more so. (IMO) That said a good welder can make anything work. Well maybe not a econotig.

                          Comment


                          • #14
                            Interesting points by all... ...But I have to throw in my vote for the Dynasty series. I don't use this stuff, I play with it in our demo room or at Miller schools, but I do have a lot of customers who use it every day,. I am not saying that the Dynasty has made the Syncrowave obsolete, but the Dynasty does have distinct advantages. I have yet to see a Dynasty sold that the new owner didn't fall instantly in love with.

                            While the Syncrowave was for a long time the machine by which all others were judged, and may still be a darned good measuring stick, the Dynasty offers too much new technology to be ignored. Inverter technology is here to stay, and much of the new innovations will be offered in inverter machines. I look at it sort of like a computer, Windows 95 was at one time, and will still do the job for many, but there is an advancement in technology that should be followed if one wants to optimize his operation, thus Windows 98, Windows ME and Windows XP.

                            Syncrowaves are far from dead, but the capabilities and efficiencies of the inverters are too good to ignore. Jusy my 2ยข........

                            Comment


                            • #15
                              OK, this is my last $0.02 on this subject. So, here it is. Why in God's name does anyone need 300 TIG Amps unless their welding on bridges or skyscrapers? Inverters are, indeed, the way of the future. If you look at the input Amperage requirements, there's no way a Syncro can weld as economically as a Dynasty. I don't know about any of the rest of y'all, but I gotta pay for all the electricity I use. Dynasty just makes sense.

                              Weld on,
                              Alex
                              Be cool,
                              Alex

                              FREEDOM ISN'T FREE
                              SUPPORT OUR TROOPS

                              Comment

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