How to stop this

[Arclikeharrypotter]

In short by not weaving you reduce heat input.
This in turn reduces the grain size in the microstructure. Smaller tighter grain size makes a tougher weld and doesn't effect the toughness of the parent material as much as if you had a high heat input.
A second and a third run refines the grain structure even further.
Grain growth I believe is the term used when describing a welded joint that has been put in with a lot of heat input. And it usually results in low toughness when charpy results come back.
A lot of stringent mma wps's actually state a run off length. Ie for every 400mm of rod burnt off you should of deposited 250mm of weld length with a tolerance either side.
This way there is control over travel speed and there for control over heat input.

Very interesting. I know that when you are producing a wps every run will be timed. Possibly not on all but those I've witnessed have been.

 

[Arclikeharrypotter]

Aren't they timed to enable stating a travel speed?

That's as opposed to timed to see who can do it fastest...

Yes timed so your travel speed is known. Not a race!

 

[Richard.]

Well you can do it either way to get the same result. If you get a certain length out of a rod every time then your travel rate will be the same every time. I think with MMA it's more common to state a run off length on a wps than an actual travel speed. It's much easier for the welder to know whether he's on the money or not simply by the length of the welds.
Obviously if he's only doing short runs and not using the whole rod then a given length per minute/second is more useful info.

 

[henry Kadzielski]

Yes timed so your travel speed is known. Not a race!

All WPS are timed for the purpose of knowing your travel speed, with variations limitation for slightly over and under. For those that don't know WPS (welding procedure specification) goes together with a PQR (Procedure qualification record). The WPS states what you must do to achive the required result to the stated standard. The PQR has been done previously to test the welding parameters to make sure they produce the weld to standard

I know what I am trying to say, but getting it across, it does get lost a bit

 

[F124nny]

Thanks guys. I'll try the two runs instead of the weave on my next piece

 

[F124nny]

Few more practice lines and some more prepping and doing fillet welds. Some decative piece as the end just to waste some time.

 

[Richard.]

The weld metal in those fillet joints is hardly doing anything. Your scooting along far too quickly your not giving it any chance to fuse on either side of the joint. You don't need to start weaving you just need to reduce your travel. Use a 20-30 degree dragging angle and maintain your arc length at 2-3mm from the pool by pushing rod in at the same time as dragging.
Don't be in a rush to get from a-B. You have got to achieve fusion.

 

[F124nny]

I have gone over with a double pass as well
The pictures are a bit poor

 

[Arclikeharrypotter]

The weld metal in those fillet joints is hardly doing anything. Your scooting along far too quickly your not giving it any chance to fuse on either side of the joint. You don't need to start weaving you just need to reduce your travel. Use a 20-30 degree dragging angle and maintain your arc length at 2-3mm
from the pool by pushing rod in at the same time as dragging.
Don't be in a rush to get from a-B. You have got to achieve fusion.

Agree with rich here too fast travel speed there, and possibly could do with a few more amps. Keep a nice drag angle keep your arc tight and you'll be doing just perfect.

Doest matter what you put over the top of those fillet welds, you could cap them with the most beautiful runs, you've still not consumed the root. Better practice would of been to grind them out and re do you first pass.

 

[Richard.]

Doest matter what you put over the top of those fillet welds, you could cap them with the most beautiful runs, you've still not consumed the root.

Very good and true point.
You can sweep what you like under the carpet but it's still a poor job underneath.

 

[F124nny]

So slower, keep a good angle and few more amps. Thanks guys

I'm going to try and get to Dan some time next week

 

[Arclikeharrypotter]

Just keep practising bud. Change your settings have a play, now you can run a bead, time to experiment. Watch some videos on YouTube welding tips and tricks. You'll be able to see how a good run is done.

 

[F124nny]

Thanks mate. I will do

 

[Arclikeharrypotter]

Maybe also worth trying out some different electrodes. Those boss ones you are using are fast freezing, you may find you have better results with a different 6013.

 

[Richard.]

All will make much more sense after an hour with experience over your shoulder

 

[henry Kadzielski]

All will make much more sense after an hour with experience over your shoulder

Not a truer word spoken. There is no greater benefit to someone watching over your solder and giving pointers. But it is also important that, that someone knows what he / she is doing. Much good and confidence can be destroyed by misinformation.

 

[Richard.]

Not a truer word spoken. There is no greater benefit to someone watching over your solder and giving pointers. But it is also important that, that someone knows what he / she is doing. Much good and confidence can be destroyed by misinformation.

No issues there.
Bigdan is the man for the job.

 

[Bill Edwards]

Yes the fillets are rather poor, but the bead pad doesn't look bad.
Practice, slower on the fillets and some mentoring should help. Don't rush.

 

[norlander]

Are you tensing up when welding? it often happens with beginners, it can transmit the wobblies to the rod tip, and it can limit flexibility.

Also, with MMA, once you spark up, you are out of the blocks and running, and some beginners can get overwhelmed as things seem to be happening too fast.

Looks like your angle needs tweaking.

One pet theory of mine is these modern masks, when I started, there were no reactive masks, no shade selection, it was probably fixed at 13. You could just see the arc and weld pool, and then, with 10s and 12s (2.5 and 3.2s I would guess) you had to look in close..
I often think beginners can see too much if you watch right in, you can see the little ripples forming as you go, if you see a swirl, thats most likely going to be a slaghole (which is where I'm off to next as its Saturday night).
When them lil ripples are going in nicely I know the weld is, if I see any change in the ripples, its usually cos my angle has gone wrong.

Don't forget to listen as well, when your arc is not right, the sound is different.

Hope thats of some use, keep up the practice, you'll get there.

 

[zeppelin builder]

Very interesting. I know that when you are producing a wps every run will be timed. Possibly not on all but those I've witnessed have been.

the ones i do are usually hooked up to a machine tapped into the welding leads the minute you arc up it records amps,volts ,run offs are measured and entered for every run,heat inputs are read as kjoules also has facility for thermocouple to monitor temp , absolute record on printed out paper tape ,welders hate being audited by them and some geek saying you have to slow down ,speed up that last run off was about 5 mm short