Tower Performance, Inc.'s
Composite Couplings - Addax
Compostite Couplings manufactured by Addax feature:
- High Strength to Weight Ratio
- Very Low Thermal Expansion
- High Critical Speed
- Low Maintenance
- Low Vibration
- High Misalignment Capacity
- Corrosion Resistant
Tower Performance, Inc.'s
Composite Couplings, manufactured by Addax, are designed to standards developed for the aerospace industry. The use
of advanced composite materials allow
Tower Performance, Inc.'s
coupling systems to feature:
HIGH MISALIGNMENT TOLERANCE
of one degree per end can be tolerated without damage to the drive shaft or connected equipment bearings. The
patented flexible elements are made from high strength carbon fiber/epoxy materials.
NO FRETTING CORROSION
due to the use of patented, unitized, carbon fiber flexible elements. The flexible elements are designed for
a theoretical infinite fatigue life at rated torque and are extremely corrosion resistant.
EXTENDED SINGLE SPANS WITHOUT INTERMEDIATE BEARINGS
can be accommodated which eliminates the need for periodic lubrication and bearing replacement. Composite couplings
will span about twice the distance of a metal coupling while eliminating the need for intermediate bearings and
multiple section drive shafts.
LOW WEIGHT
reduces vibration and bearing loads on connected equipment resulting in increased life and a further reduction in
maintenance costs. Coupling systems are optimized to be the best in the industry.
CORROSION RESISTANCE
is a natural attribute. Coupling systems are manufactured from advanced composite materials that are extremely
corrosion resistant. Metal components are selected to withstand a variety of harsh environments. 316 stainless
steel hubs and hardware are standard construction.
Tower Performance, Inc.'s
Composite Couplings - Amarillo Gear Company
Tower Performance, Inc.'s
Composite Couplings, manufactured by Amarillo Gear Company feature:
Comparison with Other Composite Drive Shafts
- High Misalignment Capacity - Greater than one degree of angular misalignment per composite flex disc.
- High Strength Composite Flanges - Reduces overhung loads
- Carbon Fiber & Epoxy Spacer Tubes - Long lengths at small spacer tube diameters allowing for reduced weight
and higher critical speeds.
- Corrosion Resistant Hardware - 316 stainless steel flange hubs for motor and gearbox, with 316 stainless steel
hardware. Monel hardware is available as an option.
- High Service Factor Rating Capable of withstanding repetitive high start-up torques.
- Vibration & Shock Control - The flex disc, composite flange and spacer tube reduces the transmission of
vibration throughout the power train, resulting in reduced wear and tear on mechanical equipment.
- Durable UV Resistant Coating - Durable UV Resistant Coating Eliminates "fuzzy" shafts caused by UV degradation
which exposes fibers.
- Balancing - All drive shafts are dynamically balanced to AGMA 9000-C90 Class 9 specifications.
- Process Verification - Each Amarillo composite drive shaft is tested to "peak" overload torque prior to
shipment.
- Fewer Parts - Easier installation and maintenance.
Comparison with Other Steel Drive Shafts
- High Strength to Weight Ratio - Composite center spacer member weight is a mere fraction of the weight of a
steel drive shaft center member.
- Inherent Corrosion Resistance - Composite materials have corrosion resistance exceeding that of 316 stainless
steel.
- Long Spans - Eliminates requirement for high maintenance and costly intermediate pillow block bearings.
- Patented Composite Flex Disc - Low maintenance; no fretting corrosion of steel "shim" packs, plus much easier
installation and maintenance.
- Dimensionally Stable - Very low Coefficient of Thermal Expansion.
Tower Performance, Inc.'s
FormFlex Flexible Disc Couplings - T.B. Woods
FormFlex Disc Couplings manufactured by T.B. Woods feature:
- Long Life
- Low Maintenance
- Design Flexibility
Tower Performance, Inc.'s
Formflex Flexible Disc Couplings, manufactured by T.B. Woods, are designed specifically for cooling fan drive
applications. The coupling transmits torque while compensating for angular, parallel and axial misalignment between
two connected shafts. Flexible disc couplings minimize the misalignment forces on the connected equipment. The basic
flex coupling consists of two hubs, a spacer and two flexible discs. The flex disc is an assembly of thin metal
laminations. The Formflex four bolt metal disc couplings offer more misalignment capacity than any competing metal
disc design. It is a unique design that provides torsional rigidity with minimal backlash. They withstand a wide
range of temperatures and are easily adapted to cooling tower applications. Steel and composite spacer tubes are
available for smaller cooling towers with up to about 100" spanning distance. The TrueTube composite torque tubes are
lighter than steel and eliminate thermal growth and vibration problems. Formflex composite floating shaft couplings
are recommended as a replacement for older multi-section drivelines. Composite couplings can span up to 240" without
high maintenance center support bearings.
Tower Performance, Inc.'s
Composite Couplings - Rexnord Thomas
Flexible Couplings manufactured by Rexnord Thomas feature:
- No lubrication required
- Multiple discs share torque and misalignment loads
- High overload torque capacity
- Visually inspectable
- Precision piloting to maintain dynamic balance
- Easily replaceable
Tower Performance, Inc.'s
Flexible Disc Couplings, manufactured by Rexnord Thomas, are designed designed in accordance with the Cooling
Technology Institute (CTI) standards and specifications. The Thomas flexible disc couplings are constructed of zinc
plated steel or all stainless steel material. The disc cooupling was invented more than 80 years ago. The SN and SF
couplings are furnished with stainless steel disc packes.
The type SN Couplins use a steel tubular center shaft. Connected shafts should be rigidly supported and long shaft
overhangs should be avoided. The tubular coupling shaft MUST NOT be supported with a bearing.
Please Contact
Jalene Fritz
(800) 314-1695
Fax: (970) 278-4034
jfritz@towerperformance.com
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