Telescopic Shafts

Rokee is Telescopic Shafts Manufacturer, Customizable according to the telescopic shafts drawings provided by the customer, Support Export.

Telescopic shafts, also known as telescoping drive shafts or sliding shafts, are specialized mechanical components designed to transmit torque and rotational motion between two points while allowing axial adjustment. These shafts are indispensable in applications requiring variable length, misalignment compensation, or dynamic positioning, such as steering systems, industrial machinery, and aerospace equipment. 

Telescopic shafts consist of nested cylindrical sleeves or tubes that slide relative to each other, enabling extension and retraction. Key components include:
Inner and Outer Shafts‌: Precision-machined concentric tubes (often splined or keyed) that slide axially while maintaining torque transmission.
Splines or Keyways‌: Grooved profiles on the shafts ensure rotational synchronization and prevent slippage.
Bearings or Bushings‌: Low-friction polymer or bronze bearings reduce wear during sliding motion.
Seals‌: Protective seals (e.g., rubber or PTFE) prevent contamination from dust, moisture, or debris.
Locking Mechanisms‌: Adjustable collars, pins, or spring-loaded detents secure the shaft at desired lengths.

Telescopic shafts operate by combining rotational force transmission with axial adjustability:
Torque Transmission‌: The interlocking splines or keyways on the inner and outer shafts transfer torque without loss of power.
Axial Movement‌: The nested shafts slide telescopically to accommodate changes in distance between connected components (e.g., vehicle suspension travel).
Misalignment Compensation‌: Angular or parallel misalignments (up to ±10°) are absorbed through the shaft’s sliding action, reducing stress on bearings and couplings.

Key Advantages‌
Variable Length Adjustment‌: Enable dynamic positioning in applications like adjustable conveyors or telescoping cranes.
Space Efficiency‌: Compact design suits confined spaces where fixed-length shafts are impractical.
Vibration Damping‌: Absorb axial shocks and torsional vibrations, protecting connected machinery.
Easy Installation‌: Modular design simplifies assembly and alignment in complex systems.

Telescopic shafts are versatile solutions for applications demanding both torque transmission and axial flexibility. Their ability to adapt to dynamic operational conditions—whether in a moving vehicle, a robotic assembly line, or a marine vessel—makes them critical to modern engineering systems. By selecting appropriate materials, ensuring precise alignment, and adhering to maintenance protocols, engineers can maximize the performance and longevity of telescopic shafts. As industries push toward lightweight, intelligent, and sustainable designs, advancements in materials and sensor technology will further expand the capabilities of these adaptable components.