Plum Blossom Coupling




Product introduction
Clamping Connection Device is a core transmission component that achieves keyles
Coupling









Clamping Connection Device is a core transmission component that achieves keyless shaft-hub connections through mechanical clamping force. Manufactured from high-strength alloy steel or aluminum alloy, it utilizes mechanisms such as tapered clamping sleeves, hydraulic expansion, or screw compression to apply simultaneous radial pressure on both the shaft and hub, enabling high-precision, backlash-free power transmission.
This device features exceptional torsional stiffness and fatigue resistance, with torque transmission capacity reaching up to 1.5 times that of traditional keyed connections, and maximum speeds exceeding 40,000 rpm. Its keyway-free design avoids stress concentration and maintains shaft integrity. The built-in stress distribution structure ensures uniform clamping force distribution, preventing surface damage.
Widely used in high-speed spindles, servo motors, turbomachinery, and other applications with extreme demands for dynamic balance and transmission accuracy. Surface treatments provide IP67 protection, while special models carry explosion-proof certifications, meeting requirements for aerospace, military, and other extreme operating conditions.
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