Basic Design Guide Section for Overhead Monorail Conveyors
Approximate Allowable Suspended
Load Per Trolley
|
I-Beam Track Size |
Maximum Load |
|
3” I @ 5.7# |
200 Lbs. |
|
4” I @ 7.7# |
400 Lbs. |
|
6” I @ 12.5# |
1200 Lbs. |
Minimum Recommended Radius
And Diameter Turns
|
Chain Size |
Trolley Spacing |
Roller Turn Radius |
Traction Wheel Diameter |
|
X-348 |
Up to 18” |
18 Inch |
24” |
|
24” |
30” |
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|
30” |
36” |
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|
X-458 |
Up to 24” |
24 Inch |
30” |
|
32” |
36” |
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|
X-678 |
12” |
36 Inch |
36” |
|
24” |
42” |
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|
36” |
48” |
Approximate Trolley Friction Factors
|
Chain Size |
Trolley and Track Size |
Friction Factor |
|
X-348 |
3” |
3% |
|
X-458 |
4” |
2½% |
|
X-678 |
6” |
2% |
Minimum Vertical Curve Radii
With Drop Forged Rivetless Chain
|
Chain Size |
X-348 |
X-458 |
X-678 |
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|
Trolley Spacing |
Min. |
Rec. |
Min. |
Rec. |
Min. |
Rec. |
|
8” |
|
|
5’-0” |
6’-6” |
|
|
|
12” |
5’-0” |
6’-6” |
|
|
8’-0” |
12’-0” |
|
16” |
|
|
6’-0” |
8’-0” |
|
|
|
18” |
6’-6” |
8’-0” |
|
|
|
|
|
24” |
8’-0” |
10’-0” |
8’-0” |
10’-0” |
12’-0” |
15’-0” |
|
30” |
10’-0” |
12’-0” |
|
|
|
|
|
32” |
|
|
10’-0” |
12’-0” |
|
|
|
36” |
|
|
|
|
15’-0” |
20’-0” |
Trolley Attachments
Overhead Track
|
Dimensions & Weights of Conveyor Track |
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|
Track Size |
Weight Per Ft. |
A |
B |
C |
D |
E |
F |
G |
|
3” |
5.7# |
3” |
2.33” |
.170” |
.170” |
.350” |
1.84” |
.270” |
|
4” |
7.7# |
4” |
2.66” |
.190” |
.190” |
.396” |
.72” |
.290” |
|
6” |
12.5# |
6” |
3.33” |
.230” |
.230” |
.488” |
4.47” |
.330” |
Drop Forged Rivetless Chain
|
Chain Number |
Nominal Pitch |
Actual Pitch |
Pin Dia. |
Recommended Chain Pull, Pounds
|
Maximum Chain Pull, Pounds |
Average Ultimate Strength, Pounds |
Weights, Pounds |
|||
|
Per Foot |
Center Link |
Side Bar |
Pin |
|||||||
|
X-348 |
3” |
3.031” |
1/2” |
1,500 |
2,500 |
24,000 |
2.14 |
.37 |
.22 |
.13 |
|
X-458 |
4” |
4.031” |
5/8” |
3,000 |
4,000 |
48,000 |
3.14 |
.81 |
.39 |
.25 |
|
X-678 |
6” |
6.031” |
7/8” |
5,000 |
6,000 |
85,000 |
6.5 |
2.27 |
1.39 |
.67 |
|
Chain No. |
A |
B |
C |
D |
E |
F |
G |
H |
J |
K |
L |
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|
X-348 |
3 |
3/4 |
9/16 |
1-1/16 |
1-13/16 |
1/2 |
1-23/32 |
1/2 |
1/2 |
1-9/32 |
1/4 |
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|
X-458 |
4 |
1 |
23/32 |
1-3/8 |
2-5/16 |
5/8 |
2-3/16 |
5/8 |
5/8 |
1-5/8 |
9/32 |
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|
X-678 |
6 |
1-9/32 |
1-1/16 |
2 |
3-1/2 |
13/16 |
3-1/32 |
7/8 |
29/32 |
2-7/32 |
7/16 |
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|
Chain No. |
M |
N |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
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|
X-348 |
13/32 |
25/32 |
9/16 |
1-1/16 |
15/64 |
19/32 |
3/8 |
9/16 |
1/4 |
1/4 |
1 |
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|
X-458 |
15/32 |
1-1/16 |
11/16 |
1-3/4 |
5/16 |
3/4 |
7/16 |
11/16 |
11/32 |
11/32 |
1-7/32 |
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|
X-678 |
11/16 |
1-13/32 |
31-32 |
2-3/8 |
1/2 |
1 |
1/2 |
1 |
15/32 |
1/2 |
1-7/8 |
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