Threshing Cone Fixing Flange | Q355B Ring Positioning Plate
Q355B steel ring flange for threshing cone end positioning. Precision flatness and concentricity control ensure stable centering and axial retention for the threshing drum assembly.
This cone fixing flange is a ring-shaped positioning component used at the end of the threshing cone assembly in combine harvesters. Formed from 3mm Q355B steel with a flanged edge profile, the part features a machined inner diameter and outer diameter with precise tolerance control.
Positioned at the cone end, this flange provides centering and axial retention for the threshing cone. It aligns the cone rotation axis to ensure concentric and stable operation, preventing vibration or wobbling during high-speed rotation. The flange also serves as a clamping surface for end-face contact, locking the cone securely in place.
Manufacturing involves precision cutting and forming with edge deburring and rounding. A radius is formed at the flange edge to maintain structural integrity. Flatness and concentricity are strictly controlled to ensure accurate alignment with mating components. Dimensions are held to Class c tolerances per GB/T1804-2000.



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