These are elastomer in compression type couplings. A single piece elastomer (Spider type, Snap-wrap type coupling) is used for low to medium power applications, while individual elastomeric elements are used for high power application (T cushion type coupling). Jaw coupling is a failsafe design, des......
These are elastomer in compression type couplings. A single piece elastomer (Spider type, Snap-wrap type coupling) is used for low to medium power applications, while individual elastomeric elements are used for high power application (T cushion type coupling). Jaw coupling is a failsafe design, designed for positive torque transmission. The couplings means low mass moment of inertia. The elastomeric component provides torsional flexibility and damping to the system reduces the effect of vibrations and operational shocks. This coupling is capable of compensating for angular, parallel and axial misalignments. The raised dimples on the elastomeric element improve the couplings capability under axial thrusts produced by applications.
Features
1. Hubs made of cast iron GG25.
2. Torsionally flexible, maintenance free, vibration-damping.
3. Axial plug-in, fail-safe.
4. Varying elastomer hardness of spiders.
5. Compact design with small flywheel effect.
6 Easy assembly / dis-assembly of the coupling hubs Short mounting length.
Applications
1. General Industrial Machinery
Pumps: Used to connect motors to various pumps found in water treatment plants, chemical processing, and general fluid transfer. Its ability to compensate for slight misalignments helps protect pump and motor bearings.
Fans and Blowers: Used to drive industrial fans and blowers in ventilation systems and air handling units. Spider couplings dampen vibrations for quieter operation and longer bearing life.
Compressors: Connect motors or engines to air or gas compressors, effectively absorbing torsional vibrations common in compressor operation and preventing damage to the connected equipment.
Conveyors: Used to drive the head roller of a belt conveyor or the drive shaft of other types of conveyors, absorbing shock loads that may occur when starting or loading materials.
Mixers and Blenders: Connect motors to mixing equipment in a variety of industries . They withstand a wide range of shock loads and vibrations caused by changes in material consistency.
Generators: Connect prime movers to generators to ensure stable power generation by suppressing torsional vibrations.
2. Motion Control and Automation
Servo Motors and Stepper Motors: Many claw couplings, especially those with curved claw profiles and higher-stiffness star materials such as certain polyurethanes or Hytrel, are designed for zero-backlash operation. This makes them ideal for precision motion control applications in the following areas:
Robotics: Provide precise and smooth motion for robotic arms and manipulators.
CNC Machine Tools: Used for spindle control, linear axes, and tool changers where precise positioning is critical.
Automated Guided Vehicles: Transmit power to drive wheels or other mechanisms.
Packaging Equipment: In high-speed packaging lines, claw couplings help synchronize motion and absorb operating shocks.
3. Various other applications
Agricultural equipment: In some agricultural machinery, flexible couplings and maintenance-free couplings are very useful for connecting the engine to the gearbox or other components.
Printing presses: Used to ensure smooth and precise paper delivery and drum rotation.
Testing equipment: In dynamometers or test stands, smooth torque transmission and vibration isolation are essential.
Small and medium-sized drives: They are a popular choice for a variety of general industrial drives due to their simple structure, cost-effectiveness and easy installation.
Claw-type spider couplings are popular for their following features:
Flexibility: They can accommodate misalignment in angle, parallelism and axial direction.
Dampening and shock absorption: The elastic spider effectively absorbs vibrations and cushions shock loads, protecting the connected equipment.
Maintenance-free operation: They usually do not require lubrication.
Easy to install and replace: The three-piece design usually allows the spider to be replaced without moving the connected hub, minimizing downtime.
Fail-safe design: If the spider element fails completely, the metal claws will typically interlock, allowing continued operation and avoiding an immediate and complete shutdown.
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