经过修改设计的深孔钻孔工具的操作特性
Norbert Kępczak1, Grzegorz Bechciński1, Radosław Rosik1
1Institute of Machine Tools and Production Engineering, Faculty of Mechanical Engineering, Lodz University of Technology, Stefanowskiego 1/15, 90-537 Lodz, Poland.
Materials (Basel, Switzerland)
|April 13, 2024
概括
这项研究修订了深孔钻孔工具设计,发现聚合物混凝土杆的排位减少了14.59%. 然而,尽管最初的结果很有希望,但修改后的钻杆设计不建议用于操作.
科学领域:
- 机械工程 机械工程
- 材料科学 材料科学 材料科学
背景情况:
- 深孔钻孔工具在精密制造中至关重要.
- 优化工具设计可以提高性能和减少振动.
- 之前的设计可能在稳定性和材料阻尼性方面存在局限性.
研究的目的:
- 为了研究一个对深孔钻孔工具的修订设计.
- 评估结构修改,特别是树对工具性能的影响.
- 评估在工具中使用聚合物混凝土和合聚合物混凝土的可行性.
主要方法:
- 使用3D建模和有限元法 (FEM) 进行强度测试的理论分析.
- 实验模式分析和静态分析,以比较原始和原型工具的动态和静态特性.
- 在各种工件材料上进行操作钻探测试,以评估表面几何结构 (SGS) 参数,如粗度 (Ra,Rz).
主要成果:
- 理论分析显示,修改后的树的位移减少了:14.59%的聚合物混凝土和4.84%的添加聚合物混凝土 (SBR-styrene-butadiene).
- 实验测试比较了原始和原型钻杆的动态和静态特性.
- 操作测试评估了钻井过程中的表面几何结构 (SGS) 参数,包括粗度 (Ra,Rz).
结论:
- 用聚合物混凝土或SBR-styrene-butadiene添加聚合物混凝土树进行改造的深孔钻孔工具设计,在理论和实验阶段证明了减少移位.
- 尽管在理论和实验分析中初步发现了积极的结果,但操作研究表明,修订后的钻杆设计不推用于实际应用.
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