Design of Negative Pressure Spiral Feeding Device for Tangential and Longitudinal Axial Intersection of Combine Harvester

<div>Axial flow spiral conveying mode of the negative pressure spiral feeding device. (a) Mesh model of the axial spiral feeding device. (b) Blade spiral. (c) Shroud pitch.</div>

Advances in Materials Science and Engineering

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Figure 3

Figure 3: Design of Negative Pressure Spiral Feeding Device for Tangential and Longitudinal Axial Intersection of Combine Harvester 