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  2. Rail-mounted gantry cranes (RMG)

Durable energy chains for RMG cranes

With large dimensions and often long travels, rail-mounted gantry cranes (RMG) must not be compromised in terms of availability and reliability. Efficient container handling requires reliable systems, especially in the area of cable guidance. With intelligent solutions in the field of energy chains, including guide troughs, clamps for strain relief or cables, we support the industry in achieving this goal.
Rail-mounted gantry crane (RMG)

Reliable solutions for rail-mounted gantry cranes (RMG)

Roller energy chains

Heavy-duty roller energy chains

  • Stainless steel energy chains with rollers
  • Long travels of up to 800m
  • Speeds of up to 5m/s
  • 10x longer service life whilst using less drive force
Guide troughs

Guide troughs

  • Available in stainless steel or aluminium for seawater resistance to EN6060 and weight reduction
  • Available as cost-effective and corrosion-free plastic trough
Floating moving end

Floating moving end

  • As compensation in the case of long travels 
  • Small, lightweight and cost-effective
  • Compatible with isense EC.P
  • Can be deployed with a range of energy supplies
Find out more about floating moving ends
e-chain E4.1 iSet

Sophisticated engineering made simple.Complete set in just 3 clicks:

▶ 4040RHDB iSET | for 25-200m travel

chainflex cables

Cables for moving applications

chainflex cables with 36-month guarantee. E.g. motor cables CF34 and CF35 with new insulation material for improved temperature stability including higher UL temperature of 90°C.
 
P4.1 roller energy chain

Roller energy chain P4.1

The P4.1 rol e-chain series make it possible to increase plant safety and availability. There is a bearing point for a pivoting movement in every chain link connection. This point has now been re-equipped with maintenance-free high-performance polymer plain bearings, which more than double the service life.
Further information
i.Sense

Condition monitoring with i.Sense

The intelligent i.Sense sensor system and software monitors the condition of the energy chain on the crane around the clock. While heavy loads, long operating times and severe weather mean high loads for STS cranes, i.Sense helps to ensure operational safety. In the event of problems, the software can initiate an emergency stop to prevent major damage.
Clamps

CFXL chainfix clamps

Since RMG cranes often have particularly long travels, high loads and forces prevail, especially in the area of energy supply. In order to relieve the heavily stressed cables in the chain, chainfix clamps are used. With simple retrofitting, they allow strain relief even for hoses and cables with large diameters.

System comparison

Energy chain systems instead of festooning, motor cable drums and busbars

Energy chains systems instead of festooning Energy chain systems instead of festooning
Provide guidance for cables and energy chains while keeping them protected and safe in wind and fluctuating temperatures. This minimises downtime.
Energy chain systems instead of motor cable drums Energy chain systems instead of motor cable drums
No slip ring on long travels. Guide all media safely in one system. Travels of up to 1,000 metres.
More about the motor cable drum alternative
Energy chain systems instead of busbar systems Energy chain systems instead of busbar systems
Deliver data, energy, fluids and air safely in a single energy chain system. For narrow compact spaces and fast lane movement. 

Successful application stories with RMG cranes

RMG crane

Retrofit for 17 indoor gantry cranes

The freely "hanging" festoonings on steelworks cranes were replaced by energy chains. The new system is specifically designed for dynamic applications in harsh and corrosive environments.
Learn more about this application
Harbour crane

Quiet e-chain in RMG crane

Since this container crane is located alone at a terminal and in the immediate vicinity of a residential area, the energy chain used must be particularly quiet and fail-safe.
smart plastics

... and other success stories

In other application examples, discover how our energy chains and chainflex cables are used in the crane industry for different requirements.

Tested for real-world applications in the industry's largest test laboratory

A look at the chainflex and e-chain test laboratory Take a look at our chainflex and e-chain test laboratory, where 10 billion cycles are tested annually.
Long travels in outdoor tests Up to 400m of travel can be achieved on our 200m long test track for energy chains.
Brochure: solutions for port facilities
Installation service
You can find more brochures in our download portal

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Indoor cranes
 

The terms "igus", "Apiro", "chainflex", "CFRIP", "conprotect", "CTD", "drylin", "dry-tech", "dryspin", "easy chain", "e-chain", "e-chain systems", "e-ketten", "e-kettensysteme", "e-skin", "e-spool", "flizz", "ibow", "igear", "iglidur", "igubal", "kineKIT", "manus", "motion plastics", "pikchain", "plastics for longer life", "readychain", "readycable", "ReBeL", "speedigus", "triflex", "robolink", "xirodur", and "xiros" are legally protected trademarks of the igus® GmbH/ Cologne in the Federal Republic of Germany and where applicable in some foreign countries.

igus® GmbH points out that it does not sell any products of the companies Allen Bradley, B&R, Baumüller, Beckhoff, Lahr, Control Techniques, Danaher Motion, ELAU, FAGOR, FANUC, Festo, Heidenhain, Jetter, Lenze, LinMot, LTi DRiVES, Mitsibushi, NUM,Parker, Bosch Rexroth, SEW, Siemens, Stöber and all other drive manufacturers mention in this website. The products offered by igus® are those of igus® GmbH