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Tram Chain

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Precision laser cutting and fabrication service

Tram chains are based on standard transmission chain construction but used in feeder applications on continuous mining machinery. The chains are operated in twin strand format with flight bars making the two strands common. Typical pitches are 2.00 “(50.8 mm) and 2.50” (63.50 mm). Materials are enhanced to ensure higher strengths and wear resistance.

Tram Chain – style A

Tram Chain - style A

Tram Chain – style B

Tram Chain - style B

Tram Chains

Chain Number

Pitch

Style

Chain Width

Inside
Width

Pins

Bushings

Rollers

Sidedbars

Approx.
Weight

Overall

Head to CL

End to CL

Diameter

Material

Diameter

Material

Diameter

Material

Thickness

Height

MateriAl

F+F1

F

F1

L

D6

D5

D2

T

H

inches

inches

lbs/ft

JKM2

2.00

A

3.38

1.44

1.72

1.25

0.72

AHT

1.13

ACH

0.31

1.88

AHT

8.3

JKM645

2.50

B

3.72

1.69

2.00

1.50

0.88

AHT

1.13

ACH

1.56

AHT

0.38

2.13

AHT

13.5

JKM6414

2.50

B

4.13

1.91

2.00

1.50

0.88

AHT

1.13

ACH

1.56

AHT

0.44

2.13

AHT

14.5

Material AHT = alloy heat treated ACH = alloy case hardened.
JKM6414 sidebar thickness on roller links is .50” and pin link .44”
JKM2 is a bushing type chain and does not have rollers

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