Search found 5 matches

by jkey383
Sun Jun 15, 2014 10:19 pm
Forum: Stick Welding/Arc Welding - Shielded Metal Arc Welding
Topic: Porosity
Replies: 7
Views: 1040

Re: Porosity

I would like to hear answers on this. The puddle on 7018, when welding 6g carbon steel pipe, coming from the bottom, wants to cloud-up, making the start difficult to see due to flux accumulation. This also happens on top. I realize rod angle is the answer, but maybe this is what myself and poster of...
by jkey383
Sun Jun 15, 2014 10:12 pm
Forum: Stick Welding/Arc Welding - Shielded Metal Arc Welding
Topic: Explanation of weld current and characteristics
Replies: 4
Views: 2988

Explanation of weld current and characteristics

I am trying to understand my new bobcat 250. My lincoln 305, which crapped out on me, had a crisp or soft setting. The coarse and fine adjustments on the miller allow me to switch from the 40-130 setting for a 3/32 to 1/8th, and 60 -150 for 1/8th to 5/32. Now somewhere in here, the current becomes d...
by jkey383
Wed May 14, 2014 1:11 am
Forum: Stick Welding/Arc Welding - Shielded Metal Arc Welding
Topic: Welding Machine or me???
Replies: 10
Views: 2518

Re: Welding Machine or me???

It was new when I bought it 4 years ago. Just sitting in shop. Been working and just recently had time to get back into welding. Bought a new bobcat 250 today. Welds like a dream. Getting used to it. I really love it.
by jkey383
Tue May 13, 2014 1:23 am
Forum: Stick Welding/Arc Welding - Shielded Metal Arc Welding
Topic: Welding Machine or me???
Replies: 10
Views: 2518

Re: Welding Machine or me???

Only has 65 hours on it. It will do it after about 10 minutes of welding. The amp meter will fluctuate up and down and will not arc for about 10 minutes. I am not looking at this with hopes of it being fixed anytime soon. Tomorrow buying new Miller bobcat 250. Need to get to practicing now and not a...
by jkey383
Sun May 11, 2014 11:25 pm
Forum: Stick Welding/Arc Welding - Shielded Metal Arc Welding
Topic: Welding Machine or me???
Replies: 10
Views: 2518

Welding Machine or me???

HELP!!!!! My Lincoln 305g is dropping the voltage and fluctuating and really just performing badly. I sent it in to Coastal and they said they load banked it and checked it out and found nothing wrong. Suggested inspect ground. I bought all new connections, ground on pipe to connect ground and same ...