Effect of process parameters on axial parts with super large area reduction during twice cross wedge rolling
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摘要: 為考察楔橫軋二次楔軋制在超大斷面收縮率情況下的成形規律,在H630軋機上進行了不同工藝條件下的超大斷面收縮率軋制實驗,得到各工藝參數對軋制質量的影響規律,發現在超大斷面收縮率情況下二次楔的工藝參數對內部缺陷和拉斷加工界限有決定性影響.結果表明,只要參數得當,二次楔軋制可以獲得合格的大斷面收縮率軸類件.Abstract: In order to find out the forming rules for axial parts with super large area reduction during twice cross wedge roiling, the extreme roiling experiment under different process conditions was done on an H630 rolling mill. The effect rules of process parameters on the roiling quality were achieved. It is shown that process parameters have determinant effect on the internal defect and tension fracture of the parts with super large area reduction. If the parameters are proper, the qualified axial parts with large area reduction can be produced.
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Key words:
- cross wedge rolling /
- twice wedge /
- process parameter /
- large area reduction
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