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内燃机凸轮轴毛坯楔横轧精确成形关键技术与应用”科技成果通过鉴定

    1月中旬,中机联在北京组织专家对北京科技大学完成的“内燃机凸轮轴毛坯楔横轧精确成形关键技术与应用”科技成果进行了鉴定。

    该成果首次将楔横轧精确成形凸轮轴毛坯新技术实现产业化,其短流程的清洁生产工艺与传统技术相比,在节约材料、提高效率、降低成本等方面效果显著。取得了如下创新性成果:

1、揭示了楔横轧窄台阶精确轧制成形机理,获得了窄台阶精确轧齐曲线,为精确成形提供科学的技术支撑。

2、自主开发了凸轮轴毛坯楔横轧模具CAD/CAM集成设计制造技术,实现了复杂曲面精确制造,为凸轮轴毛坯楔横轧精确成形提供重要保证。

3、成功地解决了控制楔横轧凸轮轴毛坯轴向切皮、短尺、螺旋痕、凸台聚料等关键技术,实现了楔横轧凸轮轴毛坯精确成形。

4、研制出具有自主知识产权的高性能楔横轧机,实现了从上料、加热、进料、轧制、出料生产线自动化。
应用上述创新技术,在全国建设楔横轧凸轮轴毛坯生产线30多条,占全国钢质多缸凸轮轴80%以上,产品在车用发动机和非道路移动机械用柴油机上得到了广泛应用,经济效益和社会效益显著。

 
 

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