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A part’s listing in this catalog does not guarantee its availability.
To download/print the most current catalog, go to www.lordfulfi llment.com/upload/PC7000.pdf. Rev.1 10/08
Page 111 of 124
DYNAFLEX ELASTOMERIC FLEXIBLE COUPLINGS
Dynamic Torsional Stiffness, K
θ
The dynamic torsional stiffness is higher than the static
stiffness at room temperature. When the LCD Series
Couplings are attached to diesel engine fl ywheels, the
elastomer gets warm. At an operating temperature in the
170° to 200°F range, the dynamic stiffness is nearly the
same as the static stiffness at room temperature. The
stiffness values shown in the performance characteristics
chart are for computer modelling and in other types of
torsional analysis work.
Static Load Defl ection Characteristics of
LCD-0400-01-A & -C and LCD-0400-04-A & -C
Curves of other LCD parts show similar characteristics
and are available upon request.
Typical Applications
Dynafl ex LCD Series Couplings are useful for a wide
range of rotary drive applications, from off-highway truck
drivelines to auxiliary compressor drives on diesel loco-
motives. The soft torsional stiffness of these couplings
makes them ideally suited for diesel applications with
remotely mounted driven components. Typical applica-
tions include:
Typical End Product Application
Mining Dump Truck Increases Engine and Transmission Life
Diesel Locomotive Eliminates Accessory Driveline Failure
Portable Air Compressor Replaces Short-Lived Gear Coupling;
Smooth Operation
4-Wheel Drive Farm
Tractor
Reduces Noise and Extends Drive Train
Life
Military Vehicle Eliminates Accessory Shaft Breakage
Dynamometer Prevents Driveline Failure
Mining Dump Truck Prolongs U-Joint Life
In addition, Dynafl ex LCD Series Couplings have been
used in these types of applications:
• Main Drive
Engine – Generator Engine – Compressor
Engine – Transmission Engine – Pump
Electric Motor – Pump Electric Motor – Compressor
• Accessories
Starters Fans and Blowers
Alternators Power Take-Offs