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MEI Online: Plant Operation News: Africa: October 25th 2013


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:: JVT Screen Ready for Anglo American


JVT Vibrating Technology is ready to deliver a medium-sized 2.7m x 6.1m double deck decline screen.

The screen has been fitted with an OEM vibrating motor, carefully and systematically designed to perform to stringent specifications to ensure high efficiencies and robustness are met, specific to the application they are required for, writes Vicky Sidler.

For this reason, Fanie Swart, JVT’s managing director, emphasises that fitting OEM parts, particularly drives and drive components, are essential to ensure the efficient operation of screens and feeders.

“Screen drive beams are designed for a particular drive type and model," says Swart. “During design, consideration is given not only to the centrifugal force exerted, but also more importantly to the location where this centrigual force exerted, but more importantly to the location where this centrifugal force will be transmitted into the beam.

“Each manufacturer’s designs have different physical dimensions. A non-OEM drive would typically require an adaptor plate to be fitted in order to align correctly to the beam, However, these typically have a different footprint to the original equipment. The result is that the centrifugal force will not transmit to the drive beam as per original design." This, in turn, affects the bolts on the adaptor and motor fasteners, unduly loading them and resulting in excessive stress to the bolts and drive beam.

“Original equipment manufacturers have the back-up, support and design infrastructure to ensure fast, efficient problem solving," emphasises Swart. In Africa, all OEM spares are exclusively available from JVT, along with Joest drive systems, exciters, unbalanced motors, dosing drives and many other components.

“JVT Vibrating Technology is able to reassure users of continued support and supply of OEM parts as it has access to state of the art facilities and inter-group design and manufacturing experience approaching 100 years," says Swart.

“The benefits to end users in ensuring that they are dealing with the right supplier for the right equipment and parts goes beyond that of service and supply," adds Swart. Within the next few weeks, JVT expects to have a repair centre up and running on one of KFJ Steel’s premises, intending to eventually dedicate the entire facility to screen manufacturing.




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