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Technical Handbook design considerations, tips and helpful information
DESIGN CONSIDERATIONS - Section 7 Extended Travel Systems
SUPPORT ROLLERS - Extending travel using Support Roller Systems
Extended travel systems should be used when the unsupported cable carrier span is exceeded. Support Rollers can be an efficient and cost effective way to extend the travel of cable carrier systems. Support rollers are typically used with steel carrier systems but they can also prove to be an effective solution for extending the travel capabilities of nylon systems as well. Stationary support rollers are available from KabelSchlepp and should be used for unsupported cable carrier spans that exceed the maximum unsupported lengths listed for the specific cable carrier system selected. Self-supporting information for each carrier type can be found at the beginning of each carrier section throughout the KabelSchlepp catalog. One support roller provides an absolute maximum travel of 3 times the recommended unsupported length and 2 support rollers provide an absolute maximum travel of 4 times the recommended unsupported length. More than 2 fixed support rollers can not be used since they will interfere with the normal operation of the cable carrier system.
Lbs Ft.
Kg m
100.6 150
80 100
6.70 53.7 40.3 33.5 26.8 20.1 13.5 10.1
Self-Supporting Arrangement:
60 30 40 50
L s
k
Type 6000
L f
20
Unsupported configuration at L S _< 2 ( L f - k ) = Normal operation self-supporting
15
Type 3200
Type 2500
Type 5000
10
7.0
Type 1800
Type 1250 Type 0950 Type 0650/0650.1
k
L s 2
k = 2 x t
3.4
5
16.4 Ft 5 m
32.8 Ft 10 m
49.2 Ft 15 m
65.6 Ft 20 m
0
Self supporting chain length Lf in m and Ft.
Arrangement using ONE support roller:
L s
L s 3
k
L f
Configuration with 1 support roller al L S _< 3 ( L f - k ) Total travel capability increased by 50 %
k
L s 2
k = 2 x t
Arrangement using TWO support rollers:
Ls
Ls 4
Ls 4
k
L f
Configuration with 2 sup- port rollers al L S _< 4 ( L f - k ) Total travel capability increased by 100 %
k
Ls 2
k = 2 x t
In the case of longer travel length or unusual loads, the carrier should be supported by a carriage system with rollers running on supporting structural channels, ie. see the Rolling Carriage Systems details on pages 2.34-2.35.
Specifications are subject to change without notice. KSA-0810-GC
Need help? 1-800-443-4216 or www.kabelschlepp.com
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