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Old 06-13-2012, 11:33 AM   #26
volvobrage
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Originally Posted by 550 View Post
Well, when TIG welding, you are using an AC power source. The properties of the AC wave actually can clean the aluminum depending on how you have the AC balance set. (On my Miller, 3 is balanced.) But with the AC balance, you can adjust the amount of penetration vs amount of cleaning action needed. (More cleaning action for aluminum that is dirty, like cast aluminum tends to be)

There depending on the aluminum, you don't need as much cleaning action, which is indicated by the white border on the weld bead.

Doesn't mean anything is wrong, just think you probably don't need much cleaning on that aluminum.
Aaaah I seeI think i understand

But the bigger the white line is the more dirty is the aluminium?Or does it mean that the welding machine has godd properties on the AC wave?
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Old 06-13-2012, 11:51 AM   #27
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You are getting it, essentially. But you can change the size of the white border around the bead by using AC balance. So if you have really dirty alum, your white border will be larger with more cleaning action. But on clean alum, you would have a smaller white border.

I looked up your machine,



You don't have an AC balance knob, so that may be the reason why. But you do have SP % which seems to control the balance of the AC Sine wave.

Check out this link,
http://www.goodsdirect.net/200adc.htm


Quote:
SP% Dial
is the length of welding time versus cleaning time, set to max cleaning at 30% welding time and 70% cleaning,
So, if you have that knob set higher (like 70%) you will have a bigger white border, good for dirty aluminum. But for clean metal you can probably bring it down a little bit more and reduce the size of the white border on the bead.
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Old 06-13-2012, 02:55 PM   #28
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Quote:
Originally Posted by 550 View Post
You are getting it, essentially. But you can change the size of the white border around the bead by using AC balance. So if you have really dirty alum, your white border will be larger with more cleaning action. But on clean alum, you would have a smaller white border.

I looked up your machine,



You don't have an AC balance knob, so that may be the reason why. But you do have SP % which seems to control the balance of the AC Sine wave.

Check out this link,
http://www.goodsdirect.net/200adc.htm




So, if you have that knob set higher (like 70%) you will have a bigger white border, good for dirty aluminum. But for clean metal you can probably bring it down a little bit more and reduce the size of the white border on the bead.
Thank you for the good explanation!I learned alot from thisWill try to adjust next time I weld alu and see how it goes

06.11.2011

Started on a rotation device for the bodyOnly pictures this time











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Old 06-13-2012, 02:56 PM   #29
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17.11.2011






















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Old 06-13-2012, 02:57 PM   #30
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18.11.2011
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Old 06-13-2012, 03:32 PM   #31
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Welds look great. Very consistent!
I'd love to have a MIG around.

I'll be measuring that engine mount this weekend I think.
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Old 06-13-2012, 04:00 PM   #32
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Welds look great. Very consistent!
I'd love to have a MIG around.

I'll be measuring that engine mount this weekend I think.
Thanks Homer!Its nice to hear thatI put alot of time into try making good weldings..

That would be great!Then the engine would be in the car soon
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Old 06-14-2012, 09:25 AM   #33
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18.11.2011

So, now we soon start on the widening part!

Took the car down to my neighbors workshop were I'll be working on it


Ripped off some more peaces



And took out almost the rest of the interior




Took down the gastank


And the rear suspension





Started to clean a little bit inside the front fender just to see how it will turn out eventually

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Old 06-14-2012, 09:29 AM   #34
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20.11.2011

Finished the rollers, had to attache the pipes that are going into the bumper hole



Took out the "rear door panel"


Grinding and new paint to see how it looks likeWill be nice to see the whole underside like this!


And got the car up!Took of the front suspension also so it would be easier to turn



Cutted a little bit


Drilling


FinishExept from the front there, but need to replace the piece in the inner fender anyway so I didnt bother..



Here I ****ed up, but it will be changed anyway because of rust inside between the plates..
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Old 06-14-2012, 09:30 AM   #35
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23.11.2011

The rest of the welding parts I need to widen the carI only work on the body in the weekends and vacation, thats why the "long" time between the dates on body updates..

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Old 06-15-2012, 08:20 PM   #36
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27.11.2011

Started cutting the wheel arc



Cutted away the bad part, grinded a little bit and put on some welding paint



Spotted on a new plate and welded it..



Took away the plate in the wheel house front


And the wheels house it self dissapeard


Not sure what this peace is called in english, but I cutted it awayLooked good inside!


Adjusted the new one and put clamps on it


Cutted a little bit and found the jack! Here its 4cm but i wont be doing so much..
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Old 06-15-2012, 08:22 PM   #37
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28.11.2011

Made the "finish" cut on the wheel house and knocked it strait so it will flush with the new peace..


And made the inside here..I make all the parts in paper first and transfer that to metal
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Old 06-15-2012, 08:23 PM   #38
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29.11.2011

Cutted a flange for the turbonetics turbo on the cnc plasma and drilled the holes
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Old 06-15-2012, 08:25 PM   #39
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01.12.2011

Whent to the carscrap(??) and found a 960 thereMe and a friend pulled down the front and engine


Pulled away the geardbox and all the garbage


And the parts for me!:D My friend will take the front and engine for his 740 turbo project
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Old 06-15-2012, 08:27 PM   #40
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02.12.2011

Finish welding and grinding on the wheel house!!


And removed some tectyl on the inner front fender
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Old 06-15-2012, 08:30 PM   #41
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04.12.2011

First in paper!I will make to pieces so it will be easier to shape it and put it in


And then in steelplate


Made new plate her


And welding


And grinding


Tried to take some pictures to show the rear fender, but not easy to capture in photo yet..

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Old 06-15-2012, 08:34 PM   #42
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10.12.2011

Finished on the piece without a name



And the inside..Welding all the way through


Finished the wheelhouse


And after grinding it will look like this!


Attached the rear fender here again


welding and grinding, welding and grinding


A little problem here I need to fix
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Old 06-15-2012, 09:47 PM   #43
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Wow you get work done, nice job and looking good so far
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Old 06-15-2012, 11:00 PM   #44
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i am suddenly very interested in whats happening here
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Old 06-16-2012, 05:44 AM   #45
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Wow you get work done, nice job and looking good so far
Thanks for that!Since I borrow my neighbors garage I have no choice other than working like hell when im there!Thats nice, because then I get things doneI have worked 8 - 10 hours every weekend when the car have been there(exept when something more important came up)

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i am suddenly very interested in whats happening here
Just stay tuned, as I sayed I have alot of pictures!As of today I am finished with the widening part on both sides..Exept from minor fixes, welding some places and grinding some places
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Old 06-16-2012, 08:30 AM   #46
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13.12.2011

As I said before, I borrow my neighbors workshop..Since he needed it for himself i pulled down the car againIt was nice to have a look at the work so far with the car on the wheels!

Original side


And the widened side


Looks cool I think!There is alot of bondo on the fender from the horrible paintjob so I think thats why the paint is so "flurry"


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Old 06-17-2012, 01:11 PM   #47
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Lookin awesome!! Keep it up
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Old 06-17-2012, 01:31 PM   #48
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That piece 'with no name' -- I think we'd call it a rocker panel extension.
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Old 06-17-2012, 01:35 PM   #49
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Very impressive...looking forward to seeing how this turns out!
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Old 06-17-2012, 03:06 PM   #50
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nice clean job on the widening!
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