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HTP Pro Pulse 220 MTS?

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#21 ·
well i know alittle about stahlwille as i have 3 torq wrenches and 2 ratchets. and 2 wera screw driver sets. fine tools indeed
 
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Discussion starter · #24 ·
Haven't tried the pulse yet. I played around with syn. .030 and c-25. It easy but different than charts or auto-set. Lots of ways to control things but its going to take some time to get used to. One feature called "pinch" is real nice, no ball on the wire to clip off. I'll post up some pictures went I think I got it right.
 
Discussion starter · #25 · (Edited)
I finally got a couple of tanks of C-8 and put the program into syn pulse steel. Very different from short circuit. Hot, fast smooth and clean.
The machine has way more control than I ever worried about, LOL and the programs are going to take some hands on to get used to what does what.
Like wire welding always was you need to test out the setting on scrap to dial in. The synergic settings are easy to get into, seem plenty hot if thickness is used as the choice. The control is there to vary up or down, wire speed, voltage, burn back, start speed & time etc.
Going to bring it to my friends race car shop and use it to weld a bunch of .095 tubing (practice for me).
Pic of a few test welds:
View attachment pulse tests.jpg
Middle one, 3/16" CR best. actually turned down a bit because it was hot from doing the outside corner first.
Left one 1/4" was a bit cold. I was using .030" wire, I think .035" may have been a better choice.
Variation all me, Very slight move pause, need to watch the puddle. No cursive e's or circle jerks needed. I'm tiered of being the pivot point anyway :eek:.

I bitched out and bought a HF cart instead of building one. The wheels suck but it fits good and overall the cart is not bad.
View attachment HTP cart.jpg
 
#26 · (Edited)
metalman21 said:
I think .035" may have been a better choice.
Click to expand...
The machine doesn't have the power to properly pulse 035 solid steel wire. MIG pulse isn't like TIG pulse where the amperage dips down as per operator settings; in MIG it has to pulse "up" in order to create the necessary conditions to detach the droplet nice and clean from the tip of the wire. This is true even for when you set the machine low; the droplet detachment is produced by momentarily raising the amperage/voltage up past a certain threshold. This is why the frequency (and sound) of the pulse is lower at reduced wirefeed speeds, and speeds up when the wirefeed speed is increased, but the peak pulse amp/volts still have to be above the necessary thresholds in any situation/WFS.

The ¼" weld looks good but not removing millscale is more important than short circuit. With clean steel, the bead wets out better and achieves better penetration. ¼" is no problem.

Image
 
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Discussion starter · #27 ·
Got that, so .030 is a better choice than .035?
I want to try .023/24 for thinner sheet metal, the .030 was a little hot on 20G in pulse. I "got away" with it in short circuit.
I know the 1/4 looks black but the scale was wire wheeled off, probably should have hit it quick with a sanding disc. I also may have left the syn. where it was on the hot 3/16 fillet which was .120 thickness. That is why thought it was cold.
I have to get more time (and steel) for trying the programs. It's all there, just have to get used to it. I never was a fan of MIG, all I ever had was 2 analog knobs, and I think this machine may help change that.
 
#30 ·
This is why the frequency (and sound) of the pulse is lower at reduced wirefeed speeds, and speeds up when the wirefeed speed is increased
Click to expand...
Oscar does the HTP unit not have an adjustment to allow you to vary the frequency? Just curious because on my MM255, the "arc control" setting directly influences frequency (used to be called "sharp arc" on the MM350P units). I find that on thinner material the synergic settings for pulse MIG on steel are not quite right, but if I turn up the arc control, it increases the frequency and everything smooths out for me.
 
Discussion starter · #33 ·
Louie1961 said:
Oscar does the HTP unit not have an adjustment to allow you to vary the frequency? Just curious because on my MM255, the "arc control" setting directly influences frequency (used to be called "sharp arc" on the MM350P units). I find that on thinner material the synergic settings for pulse MIG on steel are not quite right, but if I turn up the arc control, it increases the frequency and everything smooths out for me.
Click to expand...
I'll let Oscar answer that because I might have an erroneous answer. IE, I don't know.
 
Discussion starter · #34 · (Edited)
Louie1961 said:
Pulse MIG is the schizz, isn't it? I just love it, but I am still getting good at it. I don't weld often enough to be honest. Especially in the winter.
Click to expand...
I think it's the best thing to happen to MIG welding, almost as good as sliced bread:).
Remember my doors always open if you want to try it. The HTP doesn't have the big steam that your MM255 has but enough for what I want to use it for.
 
#35 · (Edited)
metalman21 said:
Got that, so .030 is a better choice than .035?
.
Click to expand...
For pulse using solid mild steel wire, its not just better it's the only choice. Be default you cannot switch wire for the reasons I stated about MIG pulse going UP, not down. Each synergic pulse program runs voltage/current waveforms specific to one and only one wire diameter. 035 wire needs more juice [for proper droplet detachment] that the machine cannot produce for pulse. The steel in my pics is 1/4" done with the PP200. It is the same (on the MIG side) as the 220MTS. Goes up to 175A on pulse. What you can't see is that the peak pulse amps are near the 300A range.
 
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#36 ·
Louie1961 said:
Oscar does the HTP unit not have an adjustment to allow you to vary the frequency? Just curious because on my MM255, the "arc control" setting directly influences frequency (used to be called "sharp arc" on the MM350P units). I find that on thinner material the synergic settings for pulse MIG on steel are not quite right, but if I turn up the arc control, it increases the frequency and everything smooths out for me.
Click to expand...
No, it does not have that. In general, the built-in synergic pulse curves work very well down to their lower limits.
 
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Discussion starter · #37 ·
Oscar said:
For pulse using solid mild steel wire, its not just better it's the only choice. Be default you cannot switch wire for the reasons I stated about MIG pulse going UP, not down. Each synergic pulse program runs voltage/current waveforms specific to one and only one wire diameter. 035 wire needs more juice [for proper droplet detachment] that the machine cannot produce for pulse. The steel in my pics is 1/4" done with the PP200. It is the same (on the MIG side) as the 220MTS. Goes up to 175A on pulse. What you can't see is that the peak pulse amps are near the 300A range.
Click to expand...
Thanks for the explanation. Already set up and have .030" wire, that makes it simple.
Considering the 26 torch and .035" aluminum. I know USA has good quality Alcotec aluminum wire but I would like to get some Hobart 4943, that they don't carry. I suppose the 4043 program would be the place to start? What are your thoughts about the general aluminum functions of the 220?
 
Discussion starter · #40 ·
Update: My HTP PP220 went bye bye today to a nice young man who did his homework and will likely make better use of it than I did. It simply did not work out for me or earn anything. The machine was like new and still has 2 years of warranty.
 
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