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

30

36

X-458

Up to 24

24 Inch

30

32

36

X-678

12

36 Inch

36

24

42

36

48

 

Approximate Trolley Friction Factors

Chain

Size

Trolley and

Track Size

Friction

Factor

X-348

3

3%

X-458

4

2%

X-678

6

2%

 

Minimum Vertical Curve Radii

With Drop Forged Rivetless Chain

Chain Size

X-348

X-458

X-678

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

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

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

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

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

Chain

No.

M

N

P

Q

R

S

T

U

V

W

X

X-348

13/32

25/32

9/16

1-1/16

15/64

19/32

3/8

9/16

1/4

1/4

1

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

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