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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 109 of 124
DYNAFLEX ELASTOMERIC FLEXIBLE COUPLINGS
Dynafl ex
®
LCD Series Couplings
Rated: 75 to 2000 hp at 2000 rpm
LORD Dynafl ex LCD Series Couplings have been
developed to overcome numerous torsional problems
associated with vehicular and industrial driveline
systems. These couplings increase equipment life
by protecting against torsional vibration, shock and
misalignment.
Typical application attachments include:
• Flywheel to shaft
• Flywheel to hub (splined)
• Shaft to shaft
• Floating shaft
Features and Benefi ts
• Protection from torsional shock loads
• Design fl exibility
• Safe for occasional severe overloads
• Vibration isolation – extremely low torsional spring
rate is achieved with the Dynafl ex LCD Series
Coupling, using elastomer in shear. This allows for low
system natural frequencies and isolation of fi rst mode
driveline disturbances.
• Damping at resonance – the elastomer used in
Dynafl ex LCD Series Couplings effectively reduces
vibration at resonance.
• Shock protection – torsional shock loads are attenu-
ated by large shear defl ection of the elastomer. In
the case of severe overloads, equipment damage is
prevented by slippage between the elastomer and
the outer housing.
• Misalignment accommodation – elastomer fl exibility
allows for angular, parallel and axial misalignment.
• Long service life – Dynafl ex LCD Series Couplings
have proven themselves under demanding and
rugged service conditions.
• Maintenance-free – elastomer fl exibility accommo-
dates all motion without wear, eliminates the need for
lubrication.
• Noise reduction – no metal-to-metal contact; elas-
tomer attenuates structure-borne noise and isolates
vibration from components that would act as noise
generators.
• Attachment – fi ts many standard SAE fl ywheels.
• Design fl exibility – standard rubber molds are used
to produce each different size coupling shown in
this catalog. Often it is necessary to change metal
components for custom applications. This is common.
• Systems Engineering – LORD has in-house computer
capabilities for multi-mass torsional analysis to assist
in proper coupling selection.