Line Shafts

With KBK line shafts, large distances between shaft ends are no longer a challenge. Manufactured with millimeter precision, these shafts are custom-made to the exact requested length, with their high performance further enhanced by an ultra-light yet rigid aluminum precision tube. Also known as drive shafts, they are the perfect solution for synchronizing linear units and lifting gears, and are available with metal bellows or elastomer couplings, as well as in one-sided rigid or fully rigid versions to meet specific application needs.

Options: Available in a wide range of coupling configurations to meet diverse assembly requirements, with lengths up to 3000 mm and torque ranges from 4.5 Nm to 525 Nm depending on execution. The slit coupling version is also available in standard aluminum or full stainless steel, providing added flexibility for demanding environments.

Coupling styles include metal bellows, slit coupling, and servo insert designs, allowing flexible mounting options and adaptability across various synchronization and installation configurations.

The split-hub design enables easy, radial assembly on both coupling sides, delivering backlash-free performance for the synchronous operation of two axes without sacrificing high torsional stiffness.

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Additional features include a broad range of lengths and torque capacities to fit specific application requirements, along with vibration-reducing spider elements on the servo insert version for smoother operation in dynamic drive systems.

Available in multiple series:

  • DRB series line shafts with split hubs and metal bellows

  • DRF series line shafts with split hubs and slit coupling

  • DRE series line shafts with split hubs and servo insert

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