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| Mechanical properties and major influential factors of breaking Tung seed shell |
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| KeyWord:Tung seed mechanical property shell breaking loading position |
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| Abstract: |
| In order to study the high-efficiency breaking machine applied to Tung seed, the mechanical properties of the Tung seed shell were studied, and the influences of the breaking force action form and the particle size of the Tung seed on the breaking effect were analyzed. The results showed that Tung seed had a crack gap and small crack gaps appeared everywhere along the direction of loading force whenever it suffered top loading at the top, the flank and the middle. The width of the crack gap increased with the increase of the loading. In the process of uniform loading, whether it was top pressure, the flank loading or the middle loading, the loading force increased linearly with the increase of the deformation until an overload of shell occurred, which led to a breaking of force fell sharply. Manners of loading force and size of the Tung seed were important factors influencing the breaking force of the seed shell. Under the same loading condition, the breaking force increased with the size of the Tung seed increasing, but not obvious. In the case of the same size grade, the breaking forces of top loading and flank loading were nearly equal and they were lower than loading in the middle obviously. Therefore, the top loading and flank loading were two suitable manners for shell breaking. |
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