35
figure 4.8 angle of Welding Wire with Joint
taBle 4.2 Weld condition setup guide - carbon steel
sectIon 4
operatIon
MIGMASTER 275 SETUP GUIDE
TO SET WELD PARAMETERS
1. Find the type and thickness of material to be welded. Set recommended Slope Tap (Steep or Flat).
2. Find the filler metal wire diameter to be used.
3. Find the suggested wire speed, tap, and range settings by following the wire diameter row
across (to the right) to the plate thickness column.
4. Set the wire feed speed knob, tap selector, and range selector to the positions indicated.
- For 100% CO
2
shield gas, increase tap setting by 1 or 2 positions as required.
7.5
Examples of joint preparation and weld
7
sequence
3
24 ga.
20 ga.
18 ga.
16 ga.
3/32"
1/8"
3/16"
1/4"
3/8"
1/2" +
1/8"
3/16"
1/4"
3/8"
1/2"
5/8" +
1.5
1.7
2.6
3.1
4.0
6.2
1
2
3
4
6
1
1
1
1
1
1
2
2.0
2.5
3.3
3.7
5.0
5.2
7.1
7.5
8.2
3
4
6
7
1
2
4
5
6
1
1
1
1
2
2
2
2
2
1.6
2.1
2.5
2.7
4.0
4.5
7.0
7.5
5.2
5.4
6.3
7.0
8.5
8.5
3
4
5
6
8
2
4
7
5
6
5
1
5
7
1
1
1
1
1
2
3
3
2
2
2
3
3
3
1.6
1.8
2.1
2.3
2.8
4.3
4.5
4.0
4.5
5.0
5.4
5.6
5.7
4
5
6
7
2
8
4
8
1
2
5
6
6
1
1
1
1
2
2
3
2
3
3
3
3
3
Wire
Size
1/8"
3/16"
1/4"
3/8"
1/2"
5/8" +
3/16"
1/4"
3/8"
1/2"
5/8" +
3.3
3.5
5.2
5.5
5.5
6.0
4.5
4.8
5.5
5.0
5.7
.045"
2
3
8
2
2
3
8
1
3
2
4
2
2
2
3
3
3
2
3
3
3
3
*
CS - Carbon Steel
Material
Ty
pe
C
S
*
Dual Shield 710X Flux Core
100% CO
2
Core Weld C-6 Metal Core
92% Argon/ 8% CO
2
**
Use only recommended joint preparation and weld sequence procedures found in AWS, ANSI, ASME, ASNT publications and codes.
C
A
R
B
O
N
S
TE
E
L
.023"
.030"
.035"
.045"
All Short Arc settings above
use Steep Slope Tap
All Flux Core & Metal Core
settings use Flat Slope Tap
All Spray Arc Settings
below use Flat Slope Tap
Spray Arc Transfer
90% Argon/ 10% CO
2
Bold italic text setting data indicates
proper joint preparation and/or multi-
pass weld sequence required.
** Important - see note below.
Material
Ty
pe
Wire
Size
Short Circuiting Arc Transfer
75% Argon/ 25% CO
2
Top #
Middle #
Bottom
Wire Speed
Tap Setting
Range Setting
SETUP LEGEND
OPTIONAL
DIGITAL METER
MODULE
OPTIONAL
BURN BACK
MODULE
Summary of Contents for Migmaster 275
Page 4: ...4 TABLE OF CONTENT ...
Page 20: ...20 section 2 INTRODUCTION ...
Page 28: ...28 section 3 INSTALLATION ...
Page 42: ...42 section 5 SERVICE ...
Page 46: ...46 section 6 REPLACEMENT PARTS ...
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