Reasonable selection must be noted in the design in order to improve the structure of the ability to engage fatigue.
Reduce stress concentration (eg, sharp changes in cross section, sharp corners, sharp edges, surface roughness, etc.), control dimensional tolerances to avoid member small section thickness caused by negative tolerances cumulative, maximize the use of interference fit fasteners, strengthen the local key parts and reduce work stress or use a sandwich structure in the noise fatigue site (near the engine).
With the increasing development of scientific technology and computer control, requirements on the working efficiency and automated degree of the electromagnetic vibrating feeder become higher and higher.
People’s acknowledgement to vibration and controlling problem has become deeper, which makes it possible for the improvement of the performance of vibratory feeder.
The damping vibration of the mechanical model was established and analyzed, the main parameters were identified.
To trigger angle regulable rectifier circuit, the relation between trigger angle and electromagnetic exciting force was found, thus the model of electromagnetic vibrating feeder and vibration amplitude of the mathematical model were derived; Experiments of amplitude and feeding were made, to relevant experimental data a correlative analysis was given.
The emulate shows that the stability of the feeding has improved greatly, and the control performance and the grade of automatic have been improved as well.
In order to prevent the damage to the member component caused by the broken of any part, the Crack Arrest measures, multiple force transmission design and multi-element design should be adopted in the design of ore vibrating feeder.
The sealing material should have good wear, pressure, oil and high or low temperature resistant ability and anti-aging properties. Reasonable structure of iron core can greatly reduce the consumption of silicon steel sheet and processing time, and reduce magnetic flux leakage.
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