Plum Blossom CouplingIt Is A Common Elastic Coupling, Mainly Composed Of Two Metal Half Couplings (usually 45 Steel Or Aluminum Alloy) And A Middle Plum Blossom Shaped Elastic Body (also Known As A Cushion Pad), Named After The Plum Blossom Shape Of The Elastic Body.

Its Working Principle Is To Transmit Torque Through The Engagement Of The Elastic Body With The Convex Claws Of The Two Half Couplings, While Using The Deformation Of The Elastic Body To Absorb Vibration, Buffer Impact, And Compensate For Axial, Radial, And Angular Offsets Between The Two Shafts (generally Axial Compensation ≤ 5mm, Radial Compensation ≤ 0.5mm, Angular Compensation ≤ 1.5 °), Thereby Protecting The Equipment Transmission System.

Elastic Materials Are Mostly Polyurethane, Nitrile Rubber, Etc., And Different Materials Are Suitable For Different Working Conditions: Polyurethane Has Strong Wear Resistance, Oil Resistance, And Is Suitable For Medium And Low Loads; Rubber Has Better Elasticity And Excellent Shock Absorption Effect, Suitable For High-frequency Vibration Scenarios.

The Plum Blossom Coupling Has A Compact Structure, Light Weight, Easy Installation And Maintenance, No Need For Lubrication, And Low Cost. It Is Widely Used In Low And Medium Speed (usually ≤ 3000r/min), Medium And Small Power Transmission Systems Such As CNC Machine Tools, Textile Machinery, Printing Equipment, Packaging Machinery, Etc.

However, It Should Be Noted That The Lifespan Of Its Elastic Body Is Affected By Temperature (generally -30 ℃~80 ℃) And Medium, And Is Not Suitable For Extreme Environments Or High-speed, High Torque Working Conditions. Long Term Use Requires Regular Inspection Of The Wear Of The Elastic Body And Timely Replacement To Avoid Failure.

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