Vibratory Feeder Bowl Tuning | Feeder Bowl Tooling | Rodix Controllers for Vibratory Bowl Feeders

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Feeder Bowl Tuning Defined:

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Proper tuning is important not only to develop maximum spring energy level but to keep the coil assembly cool. When a drive unit is under-tuned, the spring tension is not great enough to allow the feeder mass to return to its neutral position before the next magnetic pulse takes over. Therefore, the mass remains in a state which never allows it to return to its starting or position and thus restricting the full motion each 1/120 second.

Normal 60 cycle current produces 120 magnetic cycles per second, and transmits 120 mechanical cycles per second to the bowl. This is our 120 unit. Also, when the unit is under-sprung (under-tuned),the magnetic energy developed by the coil assembly is not being used and is dissipated in the form of heat. The heat, if prolonged, could shorten the life of the coil or even cause it to be badly burned.

To over-spring (over-tune) would demand more energy from the coil assembly than is available. While this may not cause harm to the coil, it will result in minimizing spring energy development. It may be seen here that a good balance between coil assembly energy development and spring tension is of utmost importance to a smooth and efficient feed system. At this balance point it should be noted that parts will feed at maximum efficiency with minimum current effort. The addition or removal of springs on the base drive may be necessary to obtain the balance needed.

On our 60 cycle unit the same principles apply as on the 120. But on the 60 cycle unit one-half of the magnetic pulse is cut out, leaving it with only 60 mechanical movements per second (sometimes referred to as 1/2 wave). Suitable variable controls will be supplied for 120 or 60 cycle.

The air gap between coil assembly and pole face is important. If the air gap should be reset for any reason, find out at what dimension it should be set. If the air gap is too little the coil will clatter: if too much, all the energy will not be used and cause coil to overheat.

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Service Engineering, Inc. | 2190 W. Main Street | Greenfield, IN 46140 | 317.467.2000 | 877.727.8333
Email us: rfq@indianafeeders.com
Also visit:
www.toolfreechangeover.com - www.serviceengineeringfeeders.com
www.serviceengineering.com - www.feedertechs.com - www.usedfeederbowls.com
www.cutbendweld.com - www.rotarybowls.com - www.vibratoryfeeders.net