A Method of Layout of Four Holding Rolls Facilitating Stable Forming of Super-Large Ring Rolling
A rolling and oversized technology, which is applied in the field of ring rolling and forming processing, can solve problems such as ring billet instability
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[0075] This embodiment is a method for the layout of four holding rolls that is beneficial to the stable forming of super large ring rolling.
[0076] Four hugging rollers are composed of driving roller 1, core roller 2, upper cone roller 3, lower cone roller 4, first hugging roller 5, second hugging roller 6, third hugging roller 7, fourth hugging roller 8 and ring blank 9. Roll super large ring two-way rolling layout. in,
[0077] o r is the ring center, A 坯 is the radial deformation zone of the ring blank. The origin O of the coordinate system is the radial deformation zone A of the ring blank 坯 The geometric center of the cross section. The origin O of the coordinate system points to the ring center O r The direction of the straight line passing through the origin O of the coordinate system and parallel to the central axis of the ring billet is the y-axis of the coordinate system; the direction of a straight line passing through the origin O of the coordinate system ...
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