BMG’s Fenner range of power transmission components encompasses shaft mounted speed reducers (SMSRs), transmission belts, pulleys and accessories, as well as shaft fixings, chain drives and couplings. Key components are highly flexible SMSRs that provide an efficient method of reducing speed in diverse applications, including conveyors, mixers and mills, as well as cranes and hoists.
Fenner SMSRs ensure a good power/weight ratio within compact dimensions. Benefits over other drive systems include simplicity, minimal spares requirements, ease of changing speed, ideal backstop position and the use of standard motors.
The latest Fenner SMSR series, the PowerPlus range, offers a 50% increase in power to weight ratio over previous versions and is capable of handling powers between 0,25 and 250 kW. These units have a more compact design for easier handling and a wider range of bore sizes from 20 to 190 mm. The Fenner Taper-Grip bush locking system transmits 300% more torque and accommodates shaft tolerance to h11. This locking system allows the SMSR to be mounted directly on the driven shaft, instead of requiring foundations of its own and eliminates the need for flexible couplings and external belt take-up arrangements. This fully interchangeable unit is resistant to fretting corrosion and has a significantly improved shaft grip. A torque arm anchors the reducer and provides quick, easy adjustment of the wedge belt by means of its turnbuckle. This motor mounting assembly accommodates different motor frame sizes and provides full adjustment of drives centres, ensuring a standard belt can be fitted and easily re-tensioned as required.
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