Shaft power components


Torsionally flexible couplings

First Quarter 2021 Shaft power components

BMG’s new reinforced Fenner Triflex couplings, with forged steel flanges, provide an integrated solution for the safe and efficient transfer of torque, even in extreme conditions. “These durable couplings are designed to compensate for axial, radial and angular misalignment,” explains BMG operations manager, Leon Alberts. “The high quality elastomer elements, with reinforced cord inlays, provide effective damping for torque peaks and shock loads, also absorbing startup impacts. Rubber components, which provide additional support and protection, also reduce noise levels during operation.

Typical applications include pump systems, hydraulic drives and conveyor drivelines in mining, agriculture and general engineering. This robust coupling system – with a high power density ratio – also ensures safe and efficient performance in special machinery like wood cutting machines, shredder applications and rock crushers. The versatile design of this series enables compatibility with all sizes of shaft/hub connection requirements. Flange hubs can be machined to exact keyway/slot or multi-spline connection specifications.

A notable feature of this series is the three-edged design of the forged steel flanges that enables connection of shaft diameters up to 127 mm. Flanges are protected against corrosion by an electroplated coating which ensures superior storage characteristics and protects steel components against aggressive media and environmental impacts. Flanges and couplings are joined by a simple screw connection, using high grade 10.9 bolts and robust washers with a 300 HV hardness.

The screw connection is easy to install, as the bolts are connected directly into the flange material. This system allows easy replacement of couplings, without the need to disassemble metal parts.


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