作者： Wang, Zifan¹;Zhou, Tianfeng¹;Yu, Qian¹;Yao, Xiaoqiang¹;Liu, Peng^1,2;Wang, Xibin¹ （¹Beijing Inst Technol, Sch Mech Engn, 5 Zhongguancun South St, Beijing 100081, Peoples R China.;²Beijing Inst Technol, Chongqing Innovat Ctr, Chongqing 401120, Peoples R China.）

出处： MATERIALS TODAY COMMUNICATIONS 2023 Vol.35

关键词： FRICTION

摘要： Glass molding technology is an ideal method for the mass production of the glass components, and electroless nickel-phosphorus (Ni-P) plating is widel ...

作者： Zhou, Tianfeng^1,2,3,5;Zhou, Zhikang²;Gao, Liheng¹;Xie, Jiaqing^4,6;Liu, Peng^1,3;Wang, Xibin^1,3 （¹Beijing Inst Technol, Sch Mech Engn, Beijing, Peoples R China.;²Beijing Inst Technol, Sch Med Technol, Beijing, Peoples R China.;³Beijing Inst Technol, Chongqing Innovat Ctr, Chongqing, Peoples R China.;⁴Northwest A&F Univ, Coll Mech & Elect Engn, Xianyang, Peoples R China.;⁵Beijing Inst Technol, Sch Mech Engn, Beijing 100081, Peoples R China.;⁶Northwest A&F Univ, Coll Mech & Elect Engn, Xianyang 712100, Peoples R China.）

出处： JOURNAL OF THE AMERICAN CERAMIC SOCIETY 2023

关键词： COMPRESSION CREEP; OPTICAL-GLASS; BEHAVIOR; DEFORMATION; FRICTION

摘要： Numerical simulation of the glass molding process and analysis of material viscoelasticity are growing increasingly significant as the research on opt ...

作者： Zhou, Tianfeng¹²³;Zeng, Zihao²;Yu, Qian¹;Zhou, Jia¹;Liu, Peng³;Wang, Xibin¹; （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing, China;²School of Medical Technology, Beijing Institute of Technology, Beijing, China;³Chongqing Innovation Center, Beijing Institute of Technology, Chongqing, China）

出处： International Journal of Applied Glass Science 2023

摘要： Microlens arrays will suffer from filling defects due to trapped gas when molded in a nitrogen atmosphere by precision glass molding (PGM). In this pa ...

作者： Ziqi Chen;Qian Yu;Keita Shimada;Peng Liu;Yupeng He;Yao Hu;Xibin Wang;Tianfeng Zhou;Masayoshi Mizutani （¹Department of Mechanical Systems Engineering, Graduate School of Engineering, Tohoku University, Sendai 9808579, Japan;²These authors contributed equally to this work and should be regarded as co-first authors.;³Department of Manufacturing Engineering, School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China;⁴Beijing Key Lab. for Precision Optoelectronic Measurement Instrument and Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China;⁵KEK Applied Research Laboratory, High Energy Accelerator Research Organization, Tsukuba 3050801, Japan）

出处： Journal of Materials Processing Technology 2023 Vol.311 P117802

关键词： Blazed grating;Ultrasonic elliptical vibration;Ultraprecision cutting;High-efficiency machining

摘要： Blazed gratings are optical components typically employed in modern optical engineering. To realize high-precision and high-efficiency fabrication of ...

作者： Tianfeng Zhou^{1   2};Zhongyi Li¹;Weijia Guo¹;Peng Liu^{1   2};Bin Zhao¹;Xibin Wang¹; （¹ School of Mechanical Engineering, Beijing Institute of Technology, No. 5 Zhongguancun South Street, Haidian District, Beijing 300081, China. ² Beijing Institute of Technology Chongqing Innovation Center, Chongqing 401120, China.）

出处： Micromachines 2023 Vol.14 No.6 P1162

关键词： lapping;material removal mechanism;microlens;precision machining.

摘要： Microlens arrays have been widely employed to control the reflection, refraction, and diffraction characteristics of light due to its distinctive surf ...

作者： Zhanchen Zhu^1,2;Tianfeng Zhou¹;CA1;Yupeng He¹;Qian Yu¹;Xibin Wang¹;Tao Yan³;Jiwang Yan⁴;Haihui Ruan²; （¹School of Mechanical Engineering, Beijing Institute of Technology, No.5 Zhongguancun South Street, Haidian District, Beijing, 100081, PR China;²State Key Laboratory of Ultra-precision Machining Technology, The Hong Kong Polytechnic University, 999077, Hong Kong, China;³Phenix Optics Co., Ltd, No.197, W Phenix Road, Shangrao, Jiangxi Province, 334000, PR China;⁴Department of Mechanical Engineering, Faculty of Science and Technology, Keio University, Yokohama, 223-8522, Japan）

出处： Ceramics International 2023

摘要： Chalcogenide (ChG) glasses with micro-nano structure arrays are increasingly demanded in infrared optical systems owing to their excellent antireflect ...

作者： Zhu, Zhanchen^{1, 4}; Zhou, Tianfeng¹; Yu, Qian¹; Wang, Xibin¹; Xie, Jiaqing²; Yan, Tao³; Ruan, Haihui⁴; Cheung, Chifai⁴ （¹School of Mechanical Engineering, Beijing Institute of Technology, No.5 Zhongguancun South Street, Haidian District, Beijing; 100081, China;²College of Mechanical and Electronic Engineering, Northwest A&F University, No.3 Taicheng Road, Yangling; 712100, China;³Phenix Optics Co., Ltd, No.197, W Phenix Road, Jiangxi Province, Shangrao; 334000, China;⁴State Key Laboratory of Ultra-precision Machining Technology, The Hong Kong Polytechnic University, 999077, Hong Kong）

出处： SSRN 2023

发明人： 梁志强，陈司晨，冯博雅，杜宇超，高子瑞，苏志朋，郑浩然，周磊，周天丰，赵斌，仇天阳，刘志兵，王西彬

申请人： 北京理工大学

申请号： 202310545223.5

申请日期： 2023.05.15

摘要： 本发明公开了一种航空零部件截面实测点云双向循环排序方法，其主要包含如下步骤：航空零部件截面实测点云获取后，利用遗传算法对点云分布进行预处理，在极坐标系下，逐个判断无序切片点集各结点极径，考虑零件截面曲线特征进行双向循环排序，得到最终有序化点云处理结果。本方法在调整实测点云分布、考虑航空零部件截面曲线 ...

发明人： 周天丰，孙涛，孙秀文，于谦，赵斌，刘朋，刘志兵，梁志强，郭玉冰，王西彬

申请人： 北京理工大学

申请号： 202311026216.0

申请日期： 2023.08.15

摘要： 本发明公开一种基于位移传感器在位测量的精密换刀方法与装置，包括：记录初始刀具的刀尖在被加工工件表面的坐标；通过划擦定位方法，确定后续换刀的统一定位基准；使用初始刀具对被加工工件进行加工，监测到刀具磨损时更换初始刀具；安装新刀具，再次通过划擦定位方法，记录新刀具的坐标和线性位移传感器的示数；计算新刀具 ...

发明人： 周天丰，孙涛，孙秀文，于谦，赵斌，刘朋，刘志兵，梁志强，郭玉冰，王西彬

申请人： 北京理工大学

申请号： 202311026118.7

申请日期： 2023.08.15

摘要： 本发明公开一种基于光学显微与位移传感的在位测量换刀方法与装置，包括步骤：记录初始刀具在被加工工件表面时的机床坐标；驱动初始刀具在辅助工件表面留下加工刀痕，并记录机床的坐标点和线性位移传感器示数；使用初始刀具对被加工工件进行加工，查看线性位移传感器示数并与初始示数比较，二者不相等时，更换刀具；记录新刀 ...