TORSIONAL COUPLINGS LM TORSIONAL COUPLING SYSTEM 34 Typical Applications » Splitter gear multiple pump drive » Hydraulic pumps » Compressors » Centrifugal pumps » Generator sets (2-bearing) » Ship propulsion » Locomot ives Features of the LM Coupling Design Features Benefits Torsionally very soft. Backlash free, even after long service hours. No moving par ts to wear out or make noise. No wearing par ts and no lubrication needed. » Protects equipment from vibration and shock load damage » Noise damping for quieter equipment running » Maintenance-free » Reliable service » Long life Simple "plug-in" assembly designed for blind fitting inside a flywheel housing. No mounting bolts to access through holes. Special tapered hub grips firmly yet removes without special tools or pullers. » Installation is easy and fast No axial forces generated by transmission of torque. Compensates for axial, parallel and angular misalignment. Permits free axial float. » Extends life of bearings and seals on coupled equipment Wide range of torque sizes. Suitable for high engine speeds. Standard input flanges for SAE flywheels. Large bore capacity hubs. Slim profile, compact design. » Versatile solutions for small, medium or large horsepower applications Unique torque limiting feature provides fast, automatic disconnect of the engine should the driven machinery lock up or a gen-set experience incorrect synchronization or shor t circuit. » Protects engine and equipment from extreme overload damage Coupling torsional stiffness is adjustable by simply changing the elastomeric elements, which are available in several Shore A hardness ratings and torque values. » Simple frequency tuning of the power train Special high temperature rubber compound. Holes in hub and adaptor flange promote flow through air cooling. » Good intrinsic heat dissipation for extended life Linear torsional stiffness characteristic (rubber) means resonance frequencies are not shifted by the load. » Allows gen-sets to perform even when engines misfire Elastomeric working element. » Electrically isolates engine from driven equipment #DriveLineHarmony www.jbj.co.uk/torsional-couplings.html
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