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Huco Dynatork has developed a custom Multi-Beam coupling to withstand the extremely harsh application conditions — including heat, dust and combustion debris — experienced on board a position sensing system on a truck-mounted missile launcher.

The original brand of coupling selected was unable to handle these conditions — the viscous mass created resulted in the coupling becoming completely solidified, with repeated failures the outcome.

Huco Dynatork developed a purpose-made coupling based on its standard 19mm-diameter stainless steel Multi-Beam.

The Multi-Beam coupling is double the standard length and has been modified to accept a specially moulded neoprene gaiter, which shields the beam mechanism from debris attack.

Benefits of product application

  • Compact one-piece construction has no wearing elements to compromise service life
  • The coupling’s balanced design accommodates any combination of axial motion and angular and parallel misalignment
  • The coupling was successful and was swiftly retrofitted to a fleet of armoured launch vehicles


Huco Dynatork is a world-class manufacturer of flexible couplings.

Whether the need is for high torsional stiffness, generous misalignment capability, high-speed operation or a capacity for operating in push/pull mode, Huco Dynatork can help. And if your requirements fall outside our standard range, we offer a customised service and cost-efficient small-batch production. 

Our range is highly comprehensive, comprising membrane and bellows high-performance couplings; Oldham and Uni-Lat general-purpose motion control couplings; Single-Beam, Multi-Beam and Step-Beam brands; and jaw/spider and double loop light power drive couplings. We also stock stainless steel and plastic universal joints.

Although the design and manufacture of couplings remains the cornerstone of our business, this is just one of the company's five main product groups. Huco Dynatork piston air motors is one of them, the only brand that can be used for precision motion control. 

Our quality hallmark is also impressed onto a huge range of power transmission and motion control components that have distinct design and performance benefits over other products in the market. In addition to an extensive choice of stock gears, racks, ground shafts and spline shafts, the product programme also includes the comprehensive BSA range of leadscrews and ballscrews.

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