发明人:刘志兵,刘书尧,王西彬,焦黎,梁志强,颜培,周天丰,解丽静,沈文华,滕龙龙
申请日期:2020.12.16
摘要:本发明公开了一种基于修正塑性应变能的金属材料疲劳寿命预测方法,该方法包括以下步骤:拉伸实验计算总塑性应变能;不同应变幅下疲劳实验,记录应力‑应变值;根据应力‑应变关系判断是否满足Masing特性;根据滞弹性修正塑性应变能;寿命预测。该方法建立拉伸性能与疲劳性能之间的联系,通过简单易行的拉伸实验推测疲 ...
发明人:ZHOU, Tianfeng;CAI, Zhimin;DU, Yifei;ZHOU, Qin;LIANG, Zhiqiang;LIU, Zhibing;YAN, Pei;JIAO, Li;XIE, Lijing;WANG, Xibin
申请日期:2018.09.06
摘要:Provided are a fully motor-driven precision compression molding machine and an operation method. The compression molding machine comprises a console ( ...
作者:Chen, Shiqi;|Yan, Pei;|Zhu, Junyi;|Wang, Yubin;|Zhao, Wenxiang;|Jiao, Li;|Wang, Xibin (1Key Laboratory of Fundamental Science for Advanced Machining, Beijing Institute of Technology, Beijing 100081, China)
出处:Materials 2023
关键词:corrosion property;cutting fluid;electrochemical characteristic;Nickel based superalloy;precision machining;surface integrity
摘要:Superalloy parts place high demands on machined surface integrity and serviceability. In the machining process of superalloys, the cutting fluid is us ...
作者:Gu, Huiqing1;Jiao, Li2;Yan, Pei2;Song, Yifan1;Guo, Zhibo1;Qiu, Tianyang2;Wang, Xibin2; (1School of Mechanical Engineering, Beijing Institute of Technology, No. 5 Zhongguancun South Street, Haidian District, Beijing, 100081, China;2Key Laboratory of Fundamental Science for Advanced Machining, Beijing Institute of Technology, No. 5 Zhongguancun South Street, Haidian District, Beijing, 100081, China)
出处:Materials Science and Engineering A 2022
关键词:INTERFERENCE FIT;NUMERICAL INVESTIGATIONS;CONNECTING ROD;TITANIUM-ALLOY;AL 2024-T3;DISLOCATION;NUCLEATION;MECHANISM;WEAR;LIFE
摘要:Conformal contact between two cylindrical surfaces is widely presented in practical engineering of hole connections, the resulted fretting due to smal ...
作者:Yan, Pei1,2;Wang, Yubin1;Jin, Xiaoliang2;Zhu, Junyi1;Jiao, Li1;Qiu, Tianyang1;Wang, Xibin1; (1Key Laboratory of Fundamental Science for Advanced Machining, Beijing Institute of Technology, Beijing, 100081, China;2Department of Mechanical Engineering, The University of British Columbia, Vancouver, V6T 1Z4, BC, Canada)
出处:Journal of Materials Research and Technology 2022
关键词:Cutting fluid;Cutting force;Dynamic mechanical property;High strain rate;Ni-based superalloy;Rehbinder effect
摘要:Cutting fluids are essential for the machining of difficult-to-cut materials in production. In addition to four basic functions including cooling, lub ...
作者:杜凯,焦黎,颜培,余建杭,王玉彬,仇天阳,王西彬 (北京理工大学机械与车辆学院)
出处:兵工学报 2023
关键词:45CrNiMoVA钢;硬车削;切削力;表面形貌;残余主应力;显微硬度
摘要:为避免淬硬钢磨削工艺易引入残余拉应力以及大量使用切削液对环境造成严重污染的问题,采用硬车削代替磨削的加工方法。针对淬硬-回火45CrNiMoVA钢进行以车代磨工艺的研究,分析硬车削过程中的切削力、加工表面形貌、残余主应力及显微硬度。结果表明,切削力随切削深度和进给量的增大而增大,切削速度的改变对切削 ...
作者:颜培,程明辉,姜洪森,焦黎,王西彬 (北京理工大学机械与车辆学院)
出处:人工智能 2023
关键词:切削信号;机器学习;深度学习;刀具磨损监测;智能加工系统
摘要:刀具磨损作为制造过程不可避免的物理现象,剧烈的刀具磨损会直接影响到零件的加工质量与尺寸精度,刀具破损更会直接导致生产零件的报废和机床的故障停机,亟需实现刀具磨损状态的在线监测以规避上述问题,同时提高制造过程的智能化水平。由于人工智能技术不依赖于复杂的加工机理,以及强大的数据处理能力,已广泛地应用于刀 ...
发明人:刘志兵,钱泳豪,宋慈,张北清,沈文华,仇天阳,梁志强,焦黎,王西彬
申请日期:2022.06.06
摘要:本发明公开一种用于工业机器人加工的末端执行装置及其执行方法,涉及自动化加工设备领域,包括:三维调控机构,三维调控机构包括第一移动单元、第二移动单元以及第三移动单元,第一移动单元的基座底面与工业机器人的末端连接,第二移动单元垂直设置在第一移动部上,第三移动单元设置在第二移动部上,加工器设置在第三移动部 ...
发明人:赵斌,李秋怡,周佳,周天丰,刘朋,仇天阳,颜培,梁志强,刘志兵,焦黎,解丽静,王西彬
申请日期:2022.05.25
摘要:本发明涉及超精密加工领域,公开一种超精密加工刀痕在位检测方法。该检测方法包括以下步骤:步骤一,加工表面形貌,对设置于机床主轴上的工件的加工表面进行超精密单点金刚石加工;步骤二,测量反射光谱,设置反射光谱仪,并使反射光谱仪发射的光束垂直射入加工表面,以获得反射光谱;步骤三,拟合判断,根据反射光谱,拟合 ...
发明人:颜培,姜洪森,程明辉,焦黎,王西彬,赵斌,仇天阳,刘志兵,周天丰,滕龙龙
申请日期:2022.05.17
摘要:本发明公开了一种智能实时清洁切削监控系统和方法,用于系统监控,包括:采集模块、处理模块、控制模块、显示模块、通信模块、远程终端设备、建模系统;控制模块控制采集模块对加工过程信息进行同步采集和硬件集成,并发送至建模系统;处理模块对采集模块采集的信号进行处理,得到两维数据,并传输至建模系统;建模系统基于 ...