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Ultrasonic assisted abrasive nano-blasting 超声辅助磨料纳米爆破
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.04.056
Ashwani Pratap , Wule Zhu (2) , Mori Yuka , Anthony Beaucamp (2)
{"title":"Ultrasonic assisted abrasive nano-blasting","authors":"Ashwani Pratap ,&nbsp;Wule Zhu (2) ,&nbsp;Mori Yuka ,&nbsp;Anthony Beaucamp (2)","doi":"10.1016/j.cirp.2025.04.056","DOIUrl":"10.1016/j.cirp.2025.04.056","url":null,"abstract":"<div><div>This research introduces abrasive nano-blasting using fine abrasive particles. Fine abrasive particles are difficult to use in abrasive blasting due to tendency of forming agglomerates caused by prevalent surface forces. The pressure gradient and streaming effect of ultrasonic vibration is utilized to break the abrasive agglomerates before impacting the workpiece for polishing. It could be observed through simulations that the pressure gradient to overcome the adhesive forces and breaking the agglomerates can be theoretically achieved. Polishing experiments revealed that acoustic streaming inside the ultrasonic cavity also improved uniform surface generation with up to 67 % reduction in surface roughness Sa.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 459-463"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Generative AI for automated task modelling and task allocation in human robot collaborative applications 人-机器人协作应用中自动任务建模和任务分配的生成式人工智能
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.04.081
Nikos Dimitropoulos, Michalis Kaipis, Stavros Giartzas, George Michalos (2)
{"title":"Generative AI for automated task modelling and task allocation in human robot collaborative applications","authors":"Nikos Dimitropoulos,&nbsp;Michalis Kaipis,&nbsp;Stavros Giartzas,&nbsp;George Michalos (2)","doi":"10.1016/j.cirp.2025.04.081","DOIUrl":"10.1016/j.cirp.2025.04.081","url":null,"abstract":"<div><div>Task modelling and assignments generation is a complex and time-consuming activity despite the availability of modern CAx and planning tools. This paper proposes an AI based framework using Large Multi-Modal Models and a Digital Twin to automatically create task models, sequences and assignment plans through the processing of video streams involving visual and audio cues on the recorded resources, tools, and tasks. The same LMMs perform the task-to-resource allocation considering metrics such as human factors and resource workload. A case study on the assembly of white goods showcases reduction in manual planning, enhanced resources utilization and improved human-robot collaborative applications.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 7-11"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611729","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Beyond proxies: A direct time-optimal approach to robot cell layout optimization 超越代理：机器人单元布局优化的直接时间优化方法
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.04.079
Jan Baumgärtner, Alexander Puchta, Jürgen Fleischer (1)
{"title":"Beyond proxies: A direct time-optimal approach to robot cell layout optimization","authors":"Jan Baumgärtner,&nbsp;Alexander Puchta,&nbsp;Jürgen Fleischer (1)","doi":"10.1016/j.cirp.2025.04.079","DOIUrl":"10.1016/j.cirp.2025.04.079","url":null,"abstract":"<div><div>Cycle time is critical in robotic cells where material handling often presents a bottleneck and in turn depends on the cell layout. Optimizing robot cell layouts is therefore essential for improving cycle time. We show that the proxy objectives used for this optimization are poor approximations of the real cycle time and introduce a optimizer that directly measures the duration of the time-optimal robot trajectory. We show that it can offer competitive performance even faster than proxy-based optimization. We validate this performance on multiple problems and show how to integrate it into the cell design process of a manufacturing cell.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 19-23"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611792","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Conceptualisation of a multimodal, non-intrusive, generative AI-based assistive system for assembly 多模态、非侵入式、生成式人工智能装配辅助系统的概念化
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.04.061
Alessandro Simeone, Yuchen Fan, Dario Antonelli, Paolo C. Priarone (2), Luca Settineri (1)
{"title":"Conceptualisation of a multimodal, non-intrusive, generative AI-based assistive system for assembly","authors":"Alessandro Simeone,&nbsp;Yuchen Fan,&nbsp;Dario Antonelli,&nbsp;Paolo C. Priarone (2),&nbsp;Luca Settineri (1)","doi":"10.1016/j.cirp.2025.04.061","DOIUrl":"10.1016/j.cirp.2025.04.061","url":null,"abstract":"<div><div>The transition to Industry 5.0 highlights the necessity for human-centric and adaptive manufacturing systems. This study conceptualises a multimodal, generative AI-based assistive system for assembly designed to deliver real-time error detection and adaptive guidance tailored to diverse operator profiles. The system improves human-machine interaction by issuing preventive warnings to the operator prior to critical tasks, detecting assembly errors, providing multimodal corrective instructions during operations, and deploying robotic interventions when operator-driven corrections prove inadequate. Preliminary laboratory-scale implementation results show the system capability in mitigating assembly errors through dynamic assistive technology selection and iterative feedback learning.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 37-41"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611795","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Segmented 5-axis flank milling: a fast electrical discharge milling strategy for diffuser-shaped film cooling holes 分段五轴侧面铣削：快速放电铣削策略扩散形膜冷却孔
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.03.029
Bin Li , Zhuohang Yao , Huanyu Lu , Qiang Gao , Juncheng Lu , Xuecheng Xi , Wansheng Zhao (2)
{"title":"Segmented 5-axis flank milling: a fast electrical discharge milling strategy for diffuser-shaped film cooling holes","authors":"Bin Li ,&nbsp;Zhuohang Yao ,&nbsp;Huanyu Lu ,&nbsp;Qiang Gao ,&nbsp;Juncheng Lu ,&nbsp;Xuecheng Xi ,&nbsp;Wansheng Zhao (2)","doi":"10.1016/j.cirp.2025.03.029","DOIUrl":"10.1016/j.cirp.2025.03.029","url":null,"abstract":"<div><div>This study presents a segmented 5-axis flank milling strategy for fast ED-milling of diffuser-shaped film cooling hole on turbine blades. The proposed method divides the plunge depth into several segments while maintaining flank milling. It combines the benefits of layered fast ED-milling and multi-axis flank fast ED-milling while avoiding complex electrode wear compensation or coarser sidewall surface. The mathematical principles and discretization algorithm for typical ruled surfaces are established to generate 5-axis milling paths for various shaped diffusers. The experimental results demonstrate that the proposed method achieves high geometric accuracy and surface quality, along with significant improvements in machining efficiency.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 227-231"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611840","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Improvement of anodic oxide film characteristics of Al-Cu alloy by refinement of IMCs with large-area electron beam irradiation 大面积电子束辐照改进铝铜合金阳极氧化膜特性
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.04.008
T. Shinonaga , A. Sebe , M. Taniguchi , T. Fujii , A. Okada (1)
{"title":"Improvement of anodic oxide film characteristics of Al-Cu alloy by refinement of IMCs with large-area electron beam irradiation","authors":"T. Shinonaga ,&nbsp;A. Sebe ,&nbsp;M. Taniguchi ,&nbsp;T. Fujii ,&nbsp;A. Okada (1)","doi":"10.1016/j.cirp.2025.04.008","DOIUrl":"10.1016/j.cirp.2025.04.008","url":null,"abstract":"<div><div>Al-Cu alloy has been widely applied to automobile products due to its light weight and high strength, but pitting corrosion easily occurs due to intermetallic compounds (IMCs) in Al-Cu alloy. Anodizing process has been conventionally performed to improve the corrosion resistance of Al-Cu alloy surface. However, IMCs in Al-Cu alloy lead to defects in anodic oxide film. In this study, refinement of IMCs in Al-Cu alloy surface by large-area EB irradiation was proposed. Experimental results show that reflectance and corrosion resistance of anodic oxide film formed on Al-Cu alloy surface are improved by refinement of IMCs with the EB irradiation.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 263-267"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on field emission characteristics of carbon nanotube arrays patterned via laser welding of dissimilar materials 不同材料激光焊接碳纳米管阵列的场发射特性研究
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.04.052
Hung-Yin Tsai , Yi-Hung Chen , Kuan-Ching Wang , Paul W. Leu , Ming C. Leu (1)
{"title":"Study on field emission characteristics of carbon nanotube arrays patterned via laser welding of dissimilar materials","authors":"Hung-Yin Tsai ,&nbsp;Yi-Hung Chen ,&nbsp;Kuan-Ching Wang ,&nbsp;Paul W. Leu ,&nbsp;Ming C. Leu (1)","doi":"10.1016/j.cirp.2025.04.052","DOIUrl":"10.1016/j.cirp.2025.04.052","url":null,"abstract":"<div><div>This paper describes a new method of growing carbon nanotube (CNT) arrays using laser welding of a catalyst metal onto the surface of a quartz substrate, followed by CNT growth through the chemical vapor deposition (CVD) process. A major advantage of this method is its ability to pattern the catalyst before growing the CNTs, thus allowing for the formation of CNTs at specific locations. The laser pre-treatment method minimized structural damage to CNTs in comparison to the laser post-processing method, achieving a lower I<sub>D</sub>/I<sub>G</sub> value of 0.72 in Raman spectroscopy analysis. Using hexagonally patterned CNT arrays on quartz, we achieve a field emission current density exceeding 1.3 mA/cm<sup>2</sup> with a reduced turn-on field of 1.85 V/μm, representing a 25% improvement over filled-line patterns.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 275-279"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sub-zero temperature blanking of non-oriented electrical steels 无取向电工钢的低温下料
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.03.014
E. Simonetto , S. Bruschi (1) , A. Ghiotti (1) , A. Schrepfer , W. Volk (1)
{"title":"Sub-zero temperature blanking of non-oriented electrical steels","authors":"E. Simonetto ,&nbsp;S. Bruschi (1) ,&nbsp;A. Ghiotti (1) ,&nbsp;A. Schrepfer ,&nbsp;W. Volk (1)","doi":"10.1016/j.cirp.2025.03.014","DOIUrl":"10.1016/j.cirp.2025.03.014","url":null,"abstract":"<div><div>Blanking at sub-zero temperatures using liquid nitrogen is presented as an innovative method for cutting non-oriented electrical steel (NOES) to reduce the plastic deformation required for separation and minimize microstructural changes that could impact the sheet's characteristics. Three process temperatures – room temperature, -50 °C, and -100 °C – were investigated, and the results were evaluated in terms of cut edge quality, microstructural features, and hardness evolution. The results demonstrated a significant reduction in the plastically deformed zone and hardness variation at the cut edge, accompanied by decreased microstructural misorientation, highlighting this method's potential to minimize the drawbacks of conventional blanking.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 345-349"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Circular manufacturing of binder jetting additive parts from Ti-6Al-4 V machining chips 用ti - 6al - 4v加工芯片循环制造粘结剂喷射增材件
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.03.037
Debajyoti Bhaduri , Karan A. Baramate , Soumya Gangopadhyay , Thomas E. Davies
{"title":"Circular manufacturing of binder jetting additive parts from Ti-6Al-4 V machining chips","authors":"Debajyoti Bhaduri ,&nbsp;Karan A. Baramate ,&nbsp;Soumya Gangopadhyay ,&nbsp;Thomas E. Davies","doi":"10.1016/j.cirp.2025.03.037","DOIUrl":"10.1016/j.cirp.2025.03.037","url":null,"abstract":"<div><div>The viability of using ball milled (BM) Ti-6Al-4V machining chips for fabricating parts by binder jetting (BJT) additive manufacturing is reported. The built parts’ density, roughness, microhardness and compressive strength are compared with BJT parts made from gas atomised (GA) powder. Sintered BM and GA parts exhibit comparable relative density (93–95 %), while microhardness of the former is almost twice of the latter. Equiaxed grains with greater β-phase fraction are observed in the BM parts’ microstructure. The BM compression test pieces exhibit brittle fracture due to greater strain hardening of the BM particles, compared to the plastic deformation of the GA specimens.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 303-307"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611903","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Entangled chip removal utilizing mass-spring model with mobile manipulator 利用移动机械手质量-弹簧模型去除缠屑
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.04.040
Ryuki Takahashi, Hayato Kimura, Yasuhiro Kakinuma (2)
{"title":"Entangled chip removal utilizing mass-spring model with mobile manipulator","authors":"Ryuki Takahashi,&nbsp;Hayato Kimura,&nbsp;Yasuhiro Kakinuma (2)","doi":"10.1016/j.cirp.2025.04.040","DOIUrl":"10.1016/j.cirp.2025.04.040","url":null,"abstract":"<div><div>This study aims to automate the removal of entangled chips in manufacturing environments using a mobile manipulator. Despite advancements in factory automation technology, this task often necessitates manual intervention. Accordingly, this study proposes a deformable chip model (based on a reconfigurable mass-spring system per frame), incorporating visual chip tracking data and force reactions. Consequently, to evaluate the removal state, an efficient removal strategy is derived by defining the instantaneous stiffness and energy absorption rate. Validation of system performance through two removal tests demonstrates the feasibility of automating entangled chip removal, contributing to enhanced operational efficiency in fully automated production lines.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 529-533"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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