To find the approximate weight
of a roll multiply roll diameter squared minus
core diameter squared by roll width and appropriate
factor.
|
|
|
Specifications
|
|
Factor
Chart |
Type
|
Dia
|
Type
|
Dia |
Antique
|
.018
|
Tag and Index
|
.026 |
Vellum Offset
|
.020
|
C1S Label
|
.032 |
Bond
|
.021
|
C2S Cover
|
.033 |
Smooth Offset
|
.022
|
C1S Cover & Blanks
|
.030 |
Vellum Bristol Cover
|
.022
|
C2S Coated Freesheet
|
.037 |
Coated Groundwood &
SC
|
.032
|
|
|
|
|
|
Formula |
[ (Roll
DiaČ) - (Core DiaČ) ]
x Roll Width x Factor |
|
=
|
Roll Weight
|
|
|
|
|
Example |
Find the weight
of roll of forms bond paper with
a roll diameter of 40 inches, a
core diameter of 3 inches, and a
roll width of 17.5 inches.
|
|
[ (40x40)
- (3x3) ]
x 17.5 x .021
|
=
|
585 lbs.
|
|
Note:
.021 is the appropriate factor
for forms bond paper.
|
|
|
Note:
The results of the
Interactive Calculations System are estimates
and are not guaranteed by the
Bulkley Dunton Publishing Group.
|
