Camber

Camber (edgebow or sweep)

Standard Camber Tolerances

Strip
Width Standard
Camber Equivalent camber limits: in. (mm)
For various strip lengths: ft. (m)

W
in.
(mm) tolerance
Ct, in/ft
(mm/m)

8 4 6 10 12 16 20

(2.44) (1.22) (1.83) (3.05) (3.66) (4.88) (6.09)

0.5-1.50 0.50 0.125 0.281 0.781 1.125 2.0 3.125

(12.7-38.1) (12.7) (3.18) (7.14) (19.84) (28.58) (50.8) (79.38)

1.5-13.0 .25 .0625 0.141 0.391 0.563 1.0 1.562

(38.1-330.2) (6.35) (1.59) (3.58) (9.93) (14.30) (25.4) (39.68)

If camber is measured over a strip length not shown in table above, it can be easily converted to an equivalent value for comparison with the standard tolerance, using the formula:

C_u = C_k	x (L_u / L_k)²

where	C_u = Unknown Camber
	C_k = Known Camber
	L_u = Unknown Length
	L_k = Known Length

Standard Camber Tolerances for strip 4 and 8 ft. long
(1.22 m and 2.44 m)
between 0.5 in and 1.5 in (12.7 mm and 38.1 mm) wide
(diagram exaggerated for emphasis)

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Strip Width	Standard Camber	Equivalent camber limits: in. (mm) For various strip lengths: ft. (m)
W in. (mm)	tolerance Ct, in/ft (mm/m)
	8	4	6	10	12	16	20
	(2.44)	(1.22)	(1.83)	(3.05)	(3.66)	(4.88)	(6.09)
0.5-1.50	0.50	0.125	0.281	0.781	1.125	2.0	3.125
(12.7-38.1)	(12.7)	(3.18)	(7.14)	(19.84)	(28.58)	(50.8)	(79.38)
1.5-13.0	.25	.0625	0.141	0.391	0.563	1.0	1.562
(38.1-330.2)	(6.35)	(1.59)	(3.58)	(9.93)	(14.30)	(25.4)	(39.68)