Polyurethane Plum Blossom MatIt Is The Core Buffering Element Of The Plum Blossom Shaped Elastic Coupling, Which Is Made Of Polyurethane (PU) Material And Molded Into A Petal Shaped Symmetrical Structure. The Center Has An Installation Hole, And The Outer Edge Is Evenly Distributed With 5-8 Convex Petals, Which Are Precisely Fitted Into The Grooves Of The Coupling Half Coupling.

Its Working Principle Is To Transmit Torque Through The Compression Deformation Of Convex Lobes, Which Can Compensate For Radial (≤ 0.3mm), Angular (≤ 1.5 °), And A Small Amount Of Axial (≤ 1mm) Offset. It Has Both Elastic Buffering And Shock Absorption Functions, And Can Reduce The Impact Load During Equipment Startup. The Hardness Of Polyurethane Material Can Be Adjusted (Shore A 60~95), And Its Wear Resistance Is 3-5 Times That Of Rubber Pads. It Has Excellent Oil Resistance And Aging Resistance, With A Working Temperature Range Of -30 ℃~80 ℃ And A Short-term Resistance Of 100 ℃.

The Transmission Torque Range Is 50~5000N · M, Suitable For Small And Medium Power Transmission Systems Such As CNC Machine Tools, Servo Motors, Packaging Machinery, Etc. During Installation, It Is Necessary To Ensure That The Convex Lobes And Grooves Are Not Stuck, In Order To Avoid Tearing Caused By Excessive Local Force. Compared To Rubber Pads, Its Advantages Are Longer Lifespan (about 2000-3000 Hours) And Better Dimensional Stability, But Its Elasticity Will Decrease In Low-temperature Environments. Regular Inspection For Cracks Or Wear During Maintenance Is A Flexible Transmission Component That Balances Accuracy And Economy.

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