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DRIVE
SPROCKET
SECTION #8
(CASE C)
EXAMPLE 2:
ELEVATOR
PARAMETERS:
Chain Weight W = 0.85 Lb./Ft/ (1700)
Product Weight M = 7 Lb./Ft.
fw = 0.25, fm - 0.18
Sections 3 through 8
are inclined at
3/
4
"/Ft.
fw (incline) = 0.25 x Ks
= 0.25 x 1.25 = 0.31
25 Feet of Slippage from
Headshaft
Speed = 80 FPM
Stop-Start = Continuous Run
PLF = 1.0
DRIVE
SPROCKET
TRAVEL
SECTION #4
SECTION #1
RETURN
SUPPORT
IDLER
SECTION #5
SECTION #6
SECTION #2
SECTION #9
SEC
TIO
N
#3
SECT
ION #7
10'
13'
13'
3'
Conveyor
Section
1
2
3
4
5
6
7
Slip-7
8
Slip-8
9
Slip-9
TA = CT x PLF
= 404.0 Lbs.
Where
TA = Tension. Adjusted
CT = Chain Tension
"L"
Section
Length
(Ft.)
"W + M"
Chain +
Product
Weight
(Lbs./Ft.)
"fw"
Coefficient
of Friction
Chain
Tension
(Lbs.)
1 x 2 x 3
Chain
Tension
into The
Turn
(Lbs.)
4 + Prev 7
Turn Factor
(TF) 1.15
TF Used
For The Section
(Lbs.)
5 x 6
No TF Used
For The Section
(Lbs.)
4 + Prev 7
Chain Tension
1
2
3
4
5 6
7
* For "Slip", only use "M"
** For "Slip" use "fm"
404.0 x 1.0
13
3
10
10
10
10
10
2
10
10
13
13
7.85
7.85
7.85
7.85
7.85
7.85
7.85
7.0
7.85
7.0
7.85
7.0
0.25
0.25
0.31
0.31
0.31
0.31
0.31
0.18
0.31
0.18
0.31
0.18
25.5
5.9
24.3
24.3
24.3
24.3
24.3
2.5
24.3
12.6
31.6
16.4
-
35.2
64.8
98.8
137.9
182.9
234.6
237.1
297.0
309.6
-
404.0
1.15
1.15
1.15
1.15
1.15
1.15
-
1.15
-
1.15
-
-
29.3
40.5
74.5
113.6
158.6
210.3
-
272.7
-
356.0
-
-
-
-
-
-
-
-
234.6
-
297.0
-
387.6
404.0 (CT)
MULTIFLEX
CHAIN
ENGINEERING
Re
x
®
Multifle
x Chains
MF-11 Rex
®
Engineering Manual
Содержание 1874
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