Knowledge transfer for the development and optimization of bonded, vibration-damping joints for single-lip drills, extended by aspects of practicality with regard to production and use of tools

用于开发和优化单唇钻头粘合减振接头的知识转移，并通过工具生产和使用的实用性方面进行扩展

• 批准号: 423192843
• 负责人: Professor Dr.-Ing. Hans Christian Möhring
• 金额: --
• 依托单位: Gühring KG
• 依托单位国家: 德国
• 项目类别: Research Grants (Transfer Project)
• 财政年份: 2019
• 资助国家: 德国
• 起止时间: 2018-12-31 至 2021-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/423192843?language=en
• 关键词: Knowledge; transfer; development; optimization; bonded

Bonding is an alternative approach to apply cutting materials to basic tool bodies Compared to brazing, the time required for bonding is higher. This can only be justified if the correspondingly joined tools have additional functionalities. Using bonded joints, it is possible to design them regarding to specified vibration damping properties or as overload clutch to avoid tool breakage depending on too high drilling torques. The work planned in the research project is therefore concerned with studies on the design and capabilities of bonded joints.The following items will be worked out in close cooperation with the project partner Guehring KG: Identification of adhesive systems suitable for damping shank-sleeve connections in tools used within single-edge deep hole drilling operations. Conception, development and construction of a device for joining shaft-sleeve connections at room and oven temperature while maintaining the required accuracy requirements. Development of a measuring method for the quantification of position errors on tools with bonded joint. Optimization of the joining process with regard to the adhesive system and the dimensioning of the joint. Experimental and simulation-based acquisition and evaluation of the static and dynamic behavior of bonded tools compared to brazed reference tools. Investigation and evaluation of the usability in machining. Assessment of the resistance of the bonded joint against cooling lubricants and investigations into the applicability in coating plants.The aim of the research project is to gain insights into suitable adhesive systems as well as the geometrical design of the joint to produce prototypical damped tool samples with sufficient strength. The bonded tools operational capability shall be demonstrated under the requirements of customary machining operations in comparison to brazed reference tools.

粘接是将切削材料应用于基本工具体的另一种方法，与钎焊相比，粘接所需的时间更高。只有当相应的连接工具具有额外的功能时，才可以证明这一点。使用粘合接头，可以根据指定的减振特性或过载离合器来设计它们，以避免由于过高的钻井扭矩而导致工具损坏。因此，研究项目所计划的工作是研究粘合接头的设计和性能。以下项目将与项目合作伙伴Guehring KG密切合作：确定适用于在单刃深孔钻井作业中使用的工具中阻尼柄套连接的粘合剂系统。在室温和烘箱温度下连接轴套连接，同时保持所需精度要求的装置的构想、开发和构造。建立了一种结合头刀具位置误差量化测量方法。从粘接系统和接头尺寸两方面对连接工艺进行优化。基于实验和仿真的获取和评估结合工具与钎焊参考工具的静态和动态行为。加工可用性的调查与评价。粘结接头抗冷却润滑剂的性能评估及在涂料厂的适用性研究。该研究项目的目的是深入了解合适的粘合系统以及接头的几何设计，以生产具有足够强度的阻尼工具样品原型。与钎焊参考工具相比，应在常规加工操作要求下证明粘接工具的操作能力。