Double Flange Star Coupling

The Double flange Star coupling is a flange-connected model in Zhejiang Haineng Transmission Machinery's star elastomeric coupling series. Both half-couplings feature flange plates that bolt directly to equipment end flanges, making it suitable for transmission systems requiring flange-to-flange mounting. This product combines the vibration damping and cushioning benefits of the star elastomeric coupling with the reliability of flange-type face connections, making it particularly suitable for high-torque transmission and equipment requiring regular inspection and disassembly. Bolt hole patterns on the flange faces can be customized to match customer equipment interfaces, ensuring on-site installation without modifications to existing piping or bases.

The flange half-couplings are machined from solid forgings through CNC turning and drilling, with flange face flatness and bolt hole indexing accuracy tightly controlled. Claw teeth are CNC-milled to precise contours and surface finishes, ensuring accurate engagement with the polyurethane elastomer. The elastomer is manufactured from high-quality polyurethane material, available in different hardness grades to accommodate torque requirements ranging from light to heavy loads. The company's CNC machining centers and coordinate measuring machines provide dimensional accuracy assurance, with inspection records maintained for every production batch.

This coupling is primarily used in flange-to-flange transmission between gearboxes and working machines, pump equipment with flange connections, and installations where axial space is limited. The flange connection method allows coupling disassembly without axial movement of connected equipment-simply removing the flange bolts enables removal of the elastomer or complete coupling, significantly reducing maintenance difficulty and downtime. The polyurethane elastomer's cushioning properties effectively absorb shock loads and pulsating torque in the transmission system, extending the service life of drivetrain components.

When ordering this coupling, customers need to provide flange interface dimensions, bolt circle diameter and hole size, shaft diameter, and transmission power parameters. The company can design matching flange dimensions and issue assembly drawings for confirmation. The minimum order quantity is 10 pieces, with standard flange sizes available in partial stock. Products come with a one-year warranty from shipment and support third-party inspections. Payment terms are 30% deposit with balance cleared before shipment, accepted in RMB and USD. The company's 19 patented technologies cover claw tooth machining and elastomer forming processes.

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