作者:Zhipeng Su1;Zhiqiang Liang1;
出处:Ceramics International 2023
摘要:Sapphire optical components are prone to cracks and scratches during grinding, installation, and service, which affects its laser damage resistance. I ...
作者:谢志勇,解丽静,高飞农,王西彬,任雁,李宏伟 (北京理工大学机械与车辆学院先进加工技术国防重点实验室;中国兵器工业集团北京北方车辆集团有限公司)
出处:航空制造技术 2023
关键词:齿根;纳米压痕试验;材料本构参数;载荷–位移曲线;主应力
摘要:18Cr2Ni4WA齿轮齿根的渗碳层具有不同于基体的力学特性,准确表征其力学特性对于研究齿轮齿根的裂纹萌生和疲劳性能至关重要。将纳米压痕技术作为渗碳层局部力学特性表征的试验手段,针对渗碳层开展纳米压痕试验,结合有限元仿真,根据不同本构参数组合下的载荷–位移曲线的曲率、残余深度、塑性功与总功之比3项参 ...
发明人:梁志强,张瑞,郭琳,杜宇超,马悦,李学志,高子瑞,赵斌,刘志兵,解丽静,颜培,周天丰,王西彬
申请日期:2023.08.25
摘要:本发明公开一种BTA深孔加工刀具,包括刀体和刀片组合,刀体能够与刀杆相连;刀片组合设置于刀体远离刀杆的一端,刀片组合包括至少一组以刀体的轴线为对称轴对称设置的第一刀片和第二刀片,两刀片的主偏角不同。在深孔加工过程中,尤其是高温合金等难加工材料的深孔加工过程中,以刀体的轴线为对称轴对称设置的第一刀片和 ...
发明人:周天丰,曾子浩,王罡,于谦,刘朋,赵斌,郭玉冰,王西彬
申请日期:2023.08.07
摘要:本发明公开了一种光栅制造方法,涉及超薄光栅制造技术领域,主要包括以下步骤:S1、利用模具将光栅结构压印至光栅预形体上,制备形成透射光栅;其中,所述模具的模具基底上加工有所述光栅结构,所述光栅预形体的材质为透光材质。本发明通过模具压印光栅结构,能够实现超薄光栅的制造,且提高了超薄光栅的制造效率,降低了 ...
发明人:梁志强,郭琳,张瑞,杜宇超,马悦,白泽兵,解丽静,刘志兵,周天丰,王西彬
申请日期:2023.10.10
摘要:本发明公开了一种前引导式反拉镗、清屑、滚压复合BTA深孔刀具,涉及深孔钻削刀具技术领域,包括刀体,刀体的尾部能够用于连接钻杆,刀体的头部能够用于连接有装夹帽,刀体中设有中心通道,刀体的侧壁上还设有碎屑进口;刀体的侧壁上依次设置有前引导装置、反拉镗扩孔装置、清屑装置和滚压装置;前引导装置包括若干个前引 ...
发明人:张鹏,梁志强,王小海,杨俊峰,刘国强,王卓,李学志,李泽坤,王西彬,张建强,赵富,李鑫勇,付铭,郭琳
申请日期:2023.08.16
摘要:本发明公开一种自润滑滚压装置,涉及扭力轴加工设备技术领域,包括:刀杆,刀杆一端固设有安装支架;传动轴,传动轴的两端分别与安装支架转动配合,传动轴内设置有油道,传动轴上设置有与油道相通的通油口;一端与油道连通、另一端与油源连通的油管,油管与传动轴转动配合;滚轮,滚轮固定套设在传动轴上,滚轮内设置有与通 ...
作者:Tao WANG;Liangchi ZHANG;Xibin WANG;Lijing XIE;Weixing XU (Key laboratory of Fundamental Science for Advanced Machining, Beijing Institute of Technology:Laboratory for Precision and Nano Processing Technologies, the University of New South Wales ; Laboratory for Precision and Nano Processing Technologies, the University of New South Wales ; Key laboratory of Fundamental Science for Advanced Machining, Beijing Institute of Technology ; Key laboratory of Fundamental Science for Advanced Machining, Beijing Institute of Technology ; Laboratory for Precision and Nano Processing Technologies, the University of New South Wales)
出处:Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21 2015
关键词:Machining;SiCp;Al composites;Finite element analysis;Microstructure-based modelling;Surface defect
摘要:Understanding the cutting process of particle reinforced aluminum matrix composites is important for a more appropriate application of the composites. ...
作者:Yong, Wang1,2,3;Xibin, Wang2;Zhibing, Liu2;Shuyao, Liu2;Mingming, Ren3;Zhibin, Wang4;Xiaofeng, Qin1;Feng, Li1;Fengbin, Liu1;Zuomei, Yang1;Jiayi, Ren1;Weidong, Shen1;Hongtao, Chen2;WangPai2; (1College of Mechanical and Vehicle Engineering, Taiyuan University of Technology, Taiyuan 030024, China 2Key Laboratory of Fundamental Science for Advanced Machining, Beijing Institute of Technology, Beijing 100081, China 3Jinxi Axle Company Limited, Taiyuan 030024, China 4Shanxi Diesel Engine Industry Co., Ltd., Datong 037036, China)
出处:Surface & Coatings Technology 2023
关键词:Crystal orientation;Machining processes;Microhardness;Surface integrity;The quenching and tempering treatment
摘要:The initial characteristics of the surface layer following the quenching and tempering treatment of ultra-high-strength steel play a significant role ...
作者:Zhou, Jiaa,b;Zhou, Tianfenga,b;
出处:Journal of Manufacturing Processes 2023
关键词:Microlens array;Tool parameters;Tool setting;Tool swing cutting;Ultra-precision cutting
摘要:Ultra-precision cutting is widely applied in the fabrication of micro-spherical lens arrays (MSLAs). However, due to the geometric limitations of the ...
作者:Minghui Cheng1;Li Jiao2;
出处:Journal of Manufacturing Processes 2022
关键词:Surface roughness prediction;Hybrid kernel extreme learning machine;Tool wear monitoring;Deep learning;Surface roughness evaluation
摘要:In the modern manufacturing industry, surface roughness is a critical parameter to characterize surface quality. The accurate prediction of surface ro ...