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Gravity Type Current Collector
End Carriage
Gravity Type Current Collector  

Fully Enclosed box Section construction build by using rectangular drawn tube S.G Iron Cast Wheels, self lubricating, minimum wear on rails, hardened to 280-300 BHN key less wheel & shaft assembly gives concentric movement with Low wheel maintenance machine bored flanges after welding assures perfect alignment of bearing, shaft & wheel std gear box brake motor of SEW/N/Rossi make gives high level of reliability with maintenance free working.


• Available for single and double girder cranes
• Modular box type construction
• Completely machined fabrication giving perfect alignments and tolerances
• Forged wheels in CK 45 material or SEW IRON 800/2
• All drive units from 85 SEW Nord
• Gear drives directly coupled to wheels through hollow shaft
• Soft start/stop feature is standard
• AC Disc brakes are fitted as standard


Crane Wheel Assembly:

Presently most of the Crane manufacturers are using En 9 or En 8 material forgings for crane wheels. The wheels are manufactured in forging due to which we have to pay @ 30% more cost towards the basic Raw Material & this additional material we need to remove in machining by investing more machining time. Lead time for forgings is min 4 to 5 weeks from the date of order & 1 more week for machining, heat treatment & other finishing (e.g. bore grinding). It means we have to plan the material before 5 to 6 weeks.

In case of En 24, we need to have few more days for machining time due to high hardness as compare to En 9 To avoid high procurement time & heavy machining, we have developed these Crane wheel in SGI 800/2 material. Main property of this material is self lubrication & high strength.

Since these are castings, the delivery period of the material will be reducing to 3 weeks against of forging 5 to 6 weeks. Along with this we can save 15% to 20% in overall cost. We are giving the test certificate for every wheel with traceability for wheel No. The report will contain UT & actual hardness of wheel along with physical & chemical of material.

Sizes of the wheel is available from 150 mm to 630 mm (As per customer’s requirement) .

Drive Wheel Assembly:


• Modular wheel blocks in different sizes and capacities
• Steel fabricated and completely machined bodies
• Forged wheels in CK 45 material / SG IRON 800/2
• All Drive units from SGE / NORD Gear drives directly
   coupled to wheels through hollow shaft
• AC disc brakes are fitted as standard
• Provided with or without gear drives


Gearbox Assembly: