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# Thread: Having trouble welding galvanized to rusty pipe

1. Senior Member
Join Date
Dec 2012
Location
Sweetwater, TX
Posts
201
Scales would be as follows
40-130A range (each step is 10 Amps)
1 - 40A
2 - 50A
3 - 60A
4 - 70A
5 - 80A
6 - 90A
7 - 100A
8 - 110A
9 - 120A
10 - 130A

60-160A range (each step is 11.11 Amps)
1 - 60.0A
2 - 71.1A
3 - 82.2A
4 - 93.3A
5 - 104.4A
6 - 115.5A
7 - 126.6A
8 - 137.7A
9 - 148.8A
10- 160.0A

80-225A range (each step is 16.11 Amps)
1 - 80.0A
2 - 96.1A
3 - 112.2A
4 - 128.3A
5 - 144.4A
6 - 160.5A
7 - 176.6A
8 - 192.7A
9 - 208.8A
10 - 225.0A

100-250A range (each step is 16.66 Amps)
1 - 100A
2 - 116.6A
3 - 133.3A
4 - 150.0A
5 - 166.6A
6 - 183.3A
7 - 200.0A
8 - 216.6A
9 - 233.3A
10- 250.0A

Not having one in front of me this would only be the case if the knob only goes down to 1 and stops and up to 10 and stops. If it goes below 1 like to a 0 value or higher than 10, then I would need to recalculate the steps.
Last edited by clint738; 04-05-2013 at 12:26 PM.

2. Originally Posted by Darrren Bartlett
thanks everyone for the help! only question i have left is on my machine for the amps it just has one through 10. What does 50 mean? how do i figure it out? Am i missing something on the machine? below is what my machine looks like. thanks again!

The knob on the right is the fine adjustment. It is a percentage of the middle knob. #1 = 10% # 5 = 50% #8 = 80% etc. of the middle knob range.

So if you set the middle knob at 100-250 amps, that gives you a 150 amp range. each number would be 10% of that range starting at 100.

If you set it to 40-100 then the range would be 60.
Last edited by MMW; 04-05-2013 at 07:39 PM.

3. Junior Member
Join Date
Apr 2013
Posts
3
thanks everyone for the help!!

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