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The heart of the LF Series coupling is the flexible base element. This
element allows the customer to make their own shaft hubs from steel bar
stock or use existing hubs. Ideal for quick prototype testing, retrofit and high
volume applications.
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Notes
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- For Hytrel, dynamic torsional stiffness values are non-linear with respect to torque. Value given is for 100% of nominal torque.
- Angular and parallel misalignment values are dependent on speed, and for rubber elements, should be adjusted according to figure 4. Hytrel® elements are only for applications where the driven component is piloted to the driver for SAE and DIN established alignments (i.e. Hydraulic pump flange-mounted to engine flywheel housing).
- Hytrel® elements are only for applications where the driven component is piloted to the driver for essentially perfect alignment (hydraulic pump flange-mounted to engine housing).
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There are two different rubber element materials available, High Temperature
Rubber (HTR) and Neoprene (CR). Both elements are torsionally soft and
are placed into compression during assembly. Rubber under compression
can carry up to 5 times the amount of torque as non-compressed elements.
The elements effectively accommodate shock, misalignment, and vibration
plus minimize harmful radial and axial forces on the connected equipment.
Neoprene (CR) is used in environments that are hostile to High Temperature
Rubber (HTR).
Available Durometer Hardness:
- 50, 60 (Shore A scale)
Operating Temperature Range:
- HTR: -40° to 194° F
- CR: -40° to 175° F
Maximum Angular Misalignment:
- Up to 3°
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Features
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- Wide range of standard designs and materials
- Application versatility
- Shaft to shaft or flywheel to shaft designs
- Designed to accommodate substantial shock loads, vibration, and
misalignment
- Low moment of inertia
- Electrically insulating
- No lubrication, maintenance free
- Unique air-flow cooling design
- Different element stiffness values allow for torsional tuning of
applications with diesel engines
- Economic design allows for cost effective solutions for torsional
applications
- Proven L-LOC spline-clamping hub virtually eliminates spline shaft
profile wear and “fretting”
- Oil, heat, and corrosion resistant elements (Hytrel®, Zytel®)
- When used with S-bolts, the coupling can accommodate some end
float
- S-bolts accommodate applications requiring “blind” assembly
- Model 6 unique spacer designs span gaps between equipment in
excess of the normal equipment separation
- Model 6 design available with bearings for high speeds and large
amounts of equipment separation
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