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Dry metal forming of high alloy steel using laser generated aluminum bronze tools

机译:使用激光生成的铝青铜工具对高合金钢进行干金属成形

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Regarding the optimization of forming technology in economic and environmental aspects, avoiding lubricants is an approach to realize the vision of a new green technology. The resulting direct contact between the tool and the sheet in non-lubricated deep drawing causes higher stress and depends mainly on the material combination. The tribological system in dry sliding has to be assessed by means on the one hand of the resulting friction coefficient and on the other hand of the wear of the tool and sheet material. The potential to generate tailored tribological systems for dry metal forming could be shown within the investigations by using different material combinations and by applying different laser cladding process parameters. Furthermore, the feasibility of additive manufacturing of a deep drawing tool was demonstrated. The tool was successfully applied to form circular cups in a dry metal forming process.
机译:关于经济和环境方面的成型技术的优化,避免使用润滑剂是实现新绿色技术愿景的一种方法。在未润滑的深冲中,刀具与板材之间的直接接触会导致较高的应力,并且主要取决于材料的组合。在干式滑动中的摩擦系统必须一方面通过所产生的摩擦系数来评估,另一方面通过工具和片材的磨损来评估。通过使用不同的材料组合和应用不同的激光熔覆工艺参数,可以在研究中显示出生成适合干金属成形的定制摩擦学系统的潜力。此外,证明了深拉工具的增材制造的可行性。该工具已成功应用于干金属成型工艺中的圆形杯中。

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