Operation
SR-45i User’s Manual
Cutting Chart
The following conditions are intended to give the operator the best starting point to use when
making a cut on a particular material type and thickness and may not reflect optimum conditions.
Different metal compositions, consumable parts wear, and air quality will affect the cutting
speeds and torch height.
Material
Type
Material Thickness
Arc
Current
Torch Height
Travel Speed
Grate Cutting
Travel Speed
(inches/GA) (mm) (amps) (inches) (mm) (ipm) (mm/min) (ipm) (mm/min)
Galvanized
.019 / 28
.5
35
1/16
1.5
450
11,430
235
5,970
Galvanized
.022 / 26
.6
35
1/16
1.5
400
10,160
210
5,335
Galvanized .028
/
24 .7 35 1/16 1.5
325 8,255 170 4,320
Galvanized .034
/
22 .9 40 1/16 1.5
300 7,620 155 3,935
Galvanized .040
/
20 1.0 45 1/16 1.5
285 7,240 150 3,810
Galvanized .052
/
18 1.3 45 1/16 1.5
220 5,590 115 2,920
Galvanized .063
/
16 1.6 45 1/16 1.5
200 5,080 105 2,665
Mild
Steel
1/16 1.6 45 1/16 1.5
275 6,985 135 3,430
Mild Steel
1/8
3.2
45
1/16
1.5
130
3,300
65
1,650
Mild Steel
1/4
6.4
45
.075
2.0
45
1,145
Mild Steel
3/8
9.5
45
.075
2.0
25
635
Mild Steel
1/2
12.7
45
.075
2.0
15
380
Stainless
.015 / 28
.4
35
1/16
1.5
425
10,795
220
5,590
Stainless
.018 / 26
.5
35
1/16
1.5
400
10,160
210
5,335
Stainless
.024
/
24 .6 35 1/16 1.5
375 9,525 195 4,955
Stainless
.030
/
22 .8 35 1/16 1.5
350 8,890 180 4,570
Stainless
.036
/
20 .9 35 1/16 1.5
325 8,255 170 4,320
Stainless
.048
/
18 1.2 45 1/16 1.5
300 7,620 155 3,935
Stainless
1/16 1.6 45 1/16 1.5
250 6,350 125 3,175
Stainless 1/8
3.2
45
1/16
1.5
110
2,795
55
1,395
Stainless 1/4
6.4
45
.075
2.0
35
890
Stainless 3/8
9.5
45
.075
2.0
20
510
Stainless 1/2
12.7
45
.075
2.0
10
255
Aluminum
1/32
.8 35 .075 2.0
350 8,890 180 4,570
Aluminum
1/16 1.6 35 .075 2.0
250 6,350 130 3,300
Aluminum 3/32 2.4
45
.075
2.0
150
3,810
75
1,905
Aluminum 1/8 3.2
45
.125
3.2
100
2,540
50
1,270
Aluminum 1/4 6.4
45
.125
3.2
30
760
1 inch = 25.4 mm; 1 psi = .0689 bar = 6.895 KPa
With the Gas switch in the Set position, adjust the regulator on the rear panel to 65 psi.
4-9
Содержание SR-45i
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Страница 56: ...Parts List SR 45i User s Manual SR 45i Figure 6 2 Rear View Inside 6 4 ...
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Страница 58: ...Parts List SR 45i User s Manual Figure 6 4 Left Side View 6 6 ...
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Страница 60: ...Parts List SR 45i User s Manual SR 45i Figure 6 6 Rear View Outside 6 8 ...
Страница 65: ...Parts List SR 45i User s Manual Chopper P C Board Figure 6 10 Chopper P C Board 6 13 ...
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