Scribd
Upload
34 views20 pages

Surface Area Calculations Summary

1) The document contains surface area calculations for various geometric shapes including threads, cylinders, hex columns, flanges, nuts, washers, springs, recesses, sheets, wire, and others. 2) The surface area is calculated using formulas that involve measurements of the shapes such as radii, diameters, lengths, widths, and thicknesses. 3) The total surface area of all shapes calculated is 825,875 mm2 or 82.587 m2.

Uploaded by

marco
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as XLS, PDF, TXT or read online on Scribd
34 views20 pages

Surface Area Calculations Summary

1) The document contains surface area calculations for various geometric shapes including threads, cylinders, hex columns, flanges, nuts, washers, springs, recesses, sheets, wire, and others. 2) The surface area is calculated using formulas that involve measurements of the shapes such as radii, diameters, lengths, widths, and thicknesses. 3) The total surface area of all shapes calculated is 825,875 mm2 or 82.587 m2.

Uploaded by

marco
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as XLS, PDF, TXT or read online on Scribd
You are on page 1/ 20

Thread

SUBTOTAL 3670 mm2


:mm 3670 #2 #3 #4
p S 132
M 5
p 0.00001
M
0.36695952

SA(mm2)=Sx(5.56xM-3.67xp)

-1-
Cylinder

:mm SUBTOTAL 314 mm2


314 #2 #3 #4
L 2.5
D 40

D
0.0314 2.041

SA(mm2)=3.14xLxD

-2-
Hex column

SUBTOTAL 4456 mm2


mm
4456 #2 #3 #4
B 46
H 5

B 0.445648

*involves top and bottom


SA(mm2)=1.73xBx(B+2xH)

-3-
Flange

:mm SUBTOTAL 0 mm2


d #1 #2 #3 #4
B
H
R R
d
B

H
*involves back side of the flange

SA(mm2)=1.57xRxR+3.46xBxH+3.14xdxR

-4-
Hex nut

p SUBTOTAL 1244 mm2


:mm
1244 #2 #3 #4
B 17
H 8
R R 9
p 0.000001

0.124368
B
H

SA(mm2)=1.73xBx(B+2xH)-1.57xRxR+Hx(5.56xR-3.67xp)

-5-
Washer

SUBTOTAL 6740 mm2


:mm
6740 #2 #3 #4
R 40
r 13
d
d 27
r
R 0.6740

SA(mm2)=1.57x(R+r)x(R-r+2xd)

-6-
Spring washer

SUBTOTAL 3674 mm2


:mm
3674 #2 #3 #4
R 18
r 15
d d 33
r
R 0.367389

SA(mm2)=1.57x(R+r)x(R-r+2xd)+(R-r)xd

-7-
Recess

SUBTOTAL 27888 mm2


27888 #2 #3 #4
:mm L 83
d 84
L
2.7888

d
*inside of the recess

SA(mm2)=4XLxd

-8-
Sheet

SUBTOTAL 14393 mm2


14393 #2 #3 #4
:mm
t 0.3
Weight :g 17

1.439
t

*Both face and back side of the


steel sheet, without cutting side

SA(mm2)=254xWeight/d

-9-
Wire

SUBTOTAL 1975 mm2


:mm
1975 #2 #3 #4
t
t 2.5
Weight :g 9.7

0.20 dm²

*steel wire, without both cutting edges

SA(mm2)=509xWeight/t

- 10 -
Tetra_nut

p SUBTOTAL 275200 mm2


:mm
275200 #2 #3 #4
A A 200
B 600
D 22
M
B M 0.000001
p 0.000001

27.5200
D

SA(mm2)=2xAxB+2xAxD+2xBxD+Dx(5.56xM-3.67xp)-1.57xMxM

- 11 -
2 Circles

SUBTOTAL 0 mm2
:mm
#1 #2 #3 #4
R

*Both side of column

SA(mm2)=1.57xRxR

- 12 -
Circle

SUBTOTAL 4776 mm2


:mm
4776 #2 #3 #4
R 78

0.477594

SA(mm2)=0.785xRxR

- 13 -
Hex side

SUBTOTAL 0 mm2
:mm
#1 #2 #3 #4
H
D

HD

SA(mm2)=3.462xHxD

- 14 -
2 Square

SUBTOTAL 480000 mm2


:mm
480000 #2 #3 #4
A 600
A
B 400
B
48
9.6

*Both face and back side

SA(mm2)=2xAxB

- 15 -
Square

SUBTOTAL 0 mm2
:mm
#1 #2 #3 #4
A 600
A
B
B

*One side only

SA(mm2)=AxB

- 16 -
Hexagon

SUBTOTAL 943 mm2


:mm
943 #2 #3 #4
H 33

SA(mm2)=0.866xHxH

- 17 -
Cone

SUBTOTAL 602 mm2


:mm
301 301 #3 #4
R 12.5 12.5
H 14 14
H
0.06017711

R
*Without bottom

SA(mm2)=1.57xRxroot(RxR/4+HxH)

- 18 -
Sum

dm2/ m2/
TOTAL 825,875 mm2 82.587 peça 0.82587 peça 8.8894
Subtotals Thread Cylinder Hex colou Flange Hex nut Washer S washerRecess Sheet Wire
mm2 3670 314 4456 1244 6740 3674 27888 14393 1975

- 19 -
Sum

Subtotals Tetra nu2 circleCircle Hex side2 squareSquare Hexagon Cone Manual calc.
mm2 275200 4776 480000 943 602

- 20 -

You might also like