Scotchman Porta-Fab 45, Manual, Page: 36 / 80

THICKNESS
OF METAL
GAUGE INCHES
WIDTH OF V-DIE OPENING
20
18
16
14
13
12
11
10
9
7
1/4
5/16
3/8
7/16
1/2
5/8
3/4
7/8
1.0
.036
.048
.060
.075
.090
.105
.120
.135
.150
.188
.250
.313
.375
.438
.500
.625
.750
.875
1.00
1/4 5/16 3/8 1/2 5/8 3/4 7/8 1
1-1/8 1-1/4 1-1/2
2
2-1/2
3
3-1/2
4 5 6 7 8 10 12
2.9
2.2
1.7 1.2 1.0
4.0 2.9 1.6 1.3
5.6 3.6 2.7 2.2 1.7
6.0 4.5 3.4 3.0 2.5
6.8 5.4 4.3 3.7 3.3
10.1
3.2
2.1
2.9
7.4 6.3 5.4 4.4 4.0 3.2
8.8 7.2 6.2 5.4 4.3
9.6 8.4 5.6 4.1
9.0 6.7 5.2 3.5
16.4 14.0 11.2 7.6 5.8 4.5
6.2 28.8 22.0 15.3 11.5 9.1 7.5
7.6 38.0 26.0 19.2 16.0 12.5 10.6
10.5
11.3
13.1 11.9
9.3 41.0 29.9 24.0 19.4 16.0 12.3
45.2 35.0 28.0 24.0 17.0 14.6 11.1
47.9 39.0 33.1 24.0 19.0 15.6 12.7
69.5 58.0 42.2 32.4 26.0 23.0 16.5
92.0 69.0 52.2 42.2 36.0 27.0 21.0
104 80.0 63.0 52.5 39.4 31.2
112 90.0 76.0 56.2 44.0
PRESSURE IN TONS PER LINEAR FOOT REQUIRED TO MAKE 90 DEGREE AIR BEND IN MILD STEEL
WITH RADIUS ON MALE DIE EQUAL TO METAL THICKNESS, AND ARE CONSIDERED IDEAL FOR RIGHT ANGLE BENDING.
PRESSURES HIGHLIGHTED IN ARE FOR DIES WITH FEMALE DIE OPENINGS APPROX. 8 TIMES METAL THICKNESS,
BOLD
BENDING PRESSURES REQUIRED FOR OTHER METALS AS
COMPARED TO 65,000 P.S.I. TENSILE MILD STEEL ON CHART:
SOFT BRASS - - - - - - - - - - - - 50% OF PRESSURE LISTED
SOFT ALUMINUM - - - - - - - - - 50% OF PRESSURE LISTED
ALUMINUM ALLOYS (HEAT TREATED) - SAME AS STEEL
STAINLESS STEEL - - - - - - - - - 50% MORE THAN STEEL
CHROME MOLYBDENUM - - - - 100% MORE THAN STEEL
B R A K E T O N N A G E C H A R T
Page 33
FIGURE 13