Since Optifine has been proven to be effective at much lower addition rates than conventional TiBAl rod there is a need for a Rod Feeding Machine which will deliver Optifine rod at very slow speeds and at a much greater accuracy than conventional rod feeding machines.

MQP has therefore, in partnership with a vastly experienced producer of commercial rod feeders, commissioned a specially designed rod feeder.  This will deliver Optifine rod at a rate as low as 4.0cm per minute up to a maximum of 80cm per minute with an accuracy of +/- 0.5%. Other speed ranges can be provided on request.

The specially designed, single strand rod Optifeeder, uniquely has the concept of a shaft encoder fitted to the geared motor to provide a speed reference and a second shaft encoder on the drive top feed roll to provide the actual rod speed. .

The Optifeeder control panel will provide speed control using an inverter configured for encoder feedback. An Allen Bradley plc will be incorporated with a touch screen HM1 display for operator convenience. A high speed counter within the plc will provide an independent display of actual rod feed rate. The Optifeeder machine, due to its unique mode of rod speed measurement, offers a highly accurate rod addition as well as the facility to conveniently monitor and store information relating to all gran refined casts.

Prototype Optifeeder machine

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