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Production technologies and systems for electric mobility 电动汽车的生产技术和系统
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.05.001
Jürgen Fleischer (1) , Dariusz Ceglarek (1) , Jörg Franke (2) , Christoph Herrmann (2)
{"title":"Production technologies and systems for electric mobility","authors":"Jürgen Fleischer (1) ,&nbsp;Dariusz Ceglarek (1) ,&nbsp;Jörg Franke (2) ,&nbsp;Christoph Herrmann (2)","doi":"10.1016/j.cirp.2025.05.001","DOIUrl":"10.1016/j.cirp.2025.05.001","url":null,"abstract":"<div><div>Achieving CO₂-neutral transportation requires large-scale electric vehicle production, posing significant manufacturing challenges. Electric vehicles consist of components with multi-physical functionalities and intricate interdependencies that exceed the capabilities of current production systems. This paper examines key drivetrain components, including power supply systems, batteries, power electronics, and traction motors. It reviews state-of-the-art manufacturing and associated challenges. Analytical and numerical modeling approaches as well as product-specific trends are highlighted. Furthermore, the paper puts emphasis on life cycle assessment (LCA) and life cycle engineering (LCE), as electric drivetrains pose distinct challenges compared to conventional drivetrains. Lastly, future research demands for electric mobility production technology and component-specific research fields are outlined.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 2","pages":"Pages 1047-1072"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144663093","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
Kinetic analysis of workpiece rotation behavior during double-sided polishing 双面抛光中工件旋转行为的动力学分析
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.03.009
Urara Satake, Yuta Seguchi, Toshiyuki Enomoto (1)
{"title":"Kinetic analysis of workpiece rotation behavior during double-sided polishing","authors":"Urara Satake,&nbsp;Yuta Seguchi,&nbsp;Toshiyuki Enomoto (1)","doi":"10.1016/j.cirp.2025.03.009","DOIUrl":"10.1016/j.cirp.2025.03.009","url":null,"abstract":"<div><div>Unique clamping mechanism adopted in double-sided polishing (DSP) enables free rotation of workpieces, which is critical for achieving uniform material removal. However, the DSP process has long faced the issue of non-rotating workpieces, resulting in tapered shapes—an issue particularly relevant to silicon wafer polishing. In this study, a kinetic analysis is conducted to investigate workpiece rotation during DSP and to clarify the mechanism underlying tapering. This analysis identifies key variables governing rotational speed and primary factors contributing to workpiece nonrotation. These findings are validated experimentally, and a practical approach to preventing tapering is proposed.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 435-439"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611553","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
Automatic preload adjustment for ball screw drives by means of a spring-loaded mechanism 通过弹簧加载机构实现滚珠丝杠传动的自动预紧调整
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.04.077
A. Verl (2), O. Jud
{"title":"Automatic preload adjustment for ball screw drives by means of a spring-loaded mechanism","authors":"A. Verl (2),&nbsp;O. Jud","doi":"10.1016/j.cirp.2025.04.077","DOIUrl":"10.1016/j.cirp.2025.04.077","url":null,"abstract":"<div><div>Preloaded ball screw drives are widely used in high-precision linear motion applications, particularly in machine tool feed drives. To compensate for the loss of preload due to wear over the service life and to maintain typical operational characteristics such as zero backlash and high rigidity, ball screws are usually preloaded to high values. However, this results in increased wear and friction, with a consequent increase in temperature. To address these issues, this paper introduces a novel double nut design for ball screws, featuring a passive preload adjustment mechanism, enabling reduced preload levels while enhancing operating characteristics and operational service life.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 483-486"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611562","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
Materials removal mechanism in laser-assisted grinding of SiC fibre-reinforced titanium alloy composite SiC纤维增强钛合金复合材料激光磨削材料去除机理研究
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.04.054
Dongdong Xu , Tiancheng Ai , Zifu Shen , Shuan Ma , Md Saddam Hossen , Zhirong Liao (2)
{"title":"Materials removal mechanism in laser-assisted grinding of SiC fibre-reinforced titanium alloy composite","authors":"Dongdong Xu ,&nbsp;Tiancheng Ai ,&nbsp;Zifu Shen ,&nbsp;Shuan Ma ,&nbsp;Md Saddam Hossen ,&nbsp;Zhirong Liao (2)","doi":"10.1016/j.cirp.2025.04.054","DOIUrl":"10.1016/j.cirp.2025.04.054","url":null,"abstract":"<div><div>Silicon carbide fibre-reinforced titanium matrix composites are promising materials for lightweight and high-strength applications. However, their unique properties make them extremely difficult to machine. The present investigation proposes a laser-assisted grinding method to address this challenge and reveals distinct deformation mechanisms of the reinforced SiC fibres and titanium matrix by analysing the monitored machining process, surface properties, subsurface microstructure, and nanoscale deformation characteristics. It achieves improved surface integrity and enhanced machinability, attributed to the softening effect induced by additional thermal loads. This phenomenon transitions the SiC fibres from brittle states to semi-ductile conditions, facilitating fracture and improving overall machinability.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 417-421"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611571","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
Large-scale functional patterning using mobile robot swarms and ergodic control 使用移动机器人群和遍历控制的大规模功能模式
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.04.044
Malachi Landis, Muye Jia, Annalisa T. Taylor, Todd D. Murphey, Ping Guo (2)
{"title":"Large-scale functional patterning using mobile robot swarms and ergodic control","authors":"Malachi Landis,&nbsp;Muye Jia,&nbsp;Annalisa T. Taylor,&nbsp;Todd D. Murphey,&nbsp;Ping Guo (2)","doi":"10.1016/j.cirp.2025.04.044","DOIUrl":"10.1016/j.cirp.2025.04.044","url":null,"abstract":"<div><div>Large-scale surfaces, such as ship hulls, face challenges in applying functional structures due to manufacturing constraints. This work presents a scalable approach using low-cost, autonomous robot swarms guided by an ergodic control framework to pattern micro-scale features on meter-scale metallic surfaces. The robots operate collaboratively to achieve density-specific coverage, optimizing surface functionalities like friction reduction and hydrodynamic performance. Experimental validation demonstrates the critical role of feature density in tribological performance, and an example application highlights the creation of gradient-density patterns. This innovative method unlocks new possibilities for functional surface patterning on large-scale structures with imprecise robots.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 511-515"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611567","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
Ultrasonic vibration-assisted machining of invar 36 alloy manufactured by wire arc additive manufacturing 电弧增材制造invar 36合金的超声振动辅助加工
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.04.070
Ramazan Hakkı Namlu , Korcan Küçüköztaş , Hakan Kalkan , Bilgin Kaftanoğlu (1)
{"title":"Ultrasonic vibration-assisted machining of invar 36 alloy manufactured by wire arc additive manufacturing","authors":"Ramazan Hakkı Namlu ,&nbsp;Korcan Küçüköztaş ,&nbsp;Hakan Kalkan ,&nbsp;Bilgin Kaftanoğlu (1)","doi":"10.1016/j.cirp.2025.04.070","DOIUrl":"10.1016/j.cirp.2025.04.070","url":null,"abstract":"<div><div>Invar 36, known for its low coefficient of thermal expansion, is widely used in applications like composite moulds, electronics, and optics. Although Wire Arc Additive Manufacturing (WAAM) offers high deposition rates and cost-effectiveness for Invar 36, it creates rough surface textures requiring machining as post-processing. In order to overcome Invar 36′s machinability challenges, Ultrasonic Vibration-Assisted Machining (UVAM) was applied for the first time on WAAM-fabricated Invar 36. The results showed that UVAM outperformed conventional machining in terms of cutting force, surface roughness and topography, subsurface microhardness and tool wear with improvements observed in both building and deposition directions.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 87-91"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611801","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
An experimental methodology to improve the robotic drilling of aluminium alloys 一种改进铝合金机械钻削的实验方法
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.03.028
François Ducobu (2) , Thomas Beuscart , Valentin Dambly , Edouard Rivière-Lorphèvre , Gorka Ortiz-de-Zarate , Pedro-José Arrazola (1)
{"title":"An experimental methodology to improve the robotic drilling of aluminium alloys","authors":"François Ducobu (2) ,&nbsp;Thomas Beuscart ,&nbsp;Valentin Dambly ,&nbsp;Edouard Rivière-Lorphèvre ,&nbsp;Gorka Ortiz-de-Zarate ,&nbsp;Pedro-José Arrazola (1)","doi":"10.1016/j.cirp.2025.03.028","DOIUrl":"10.1016/j.cirp.2025.03.028","url":null,"abstract":"<div><div>In aeronautics, mastering the drilling process is crucial to meet strict quality standards. While robots provide a cost-effective solution for drilling large, complex parts, challenges arise in metallic materials due to their low stiffness. This study establishes a systematic experimental method to improve hole quality during robotic drilling of aluminium alloys. Holes were drilled in plates in four positions and 64 postures using a 6 mm tool to analyse their influence on a new defect index. A static deflection compensation method was developed to improve hole quality, addressing static deflection issues narrowing the gap between robotic drilling and CNC machining.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 103-107"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611804","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
Sustainability of polycarbonate recycling via additive manufacturing 通过增材制造回收聚碳酸酯的可持续性
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.04.069
Nan Yu , Yifan Yuan , Zicheng Zhu , Ruslan Melentiev , Long Ye , James Tinkler , Lukas Raddatz , Stephen T. Newman (1)
{"title":"Sustainability of polycarbonate recycling via additive manufacturing","authors":"Nan Yu ,&nbsp;Yifan Yuan ,&nbsp;Zicheng Zhu ,&nbsp;Ruslan Melentiev ,&nbsp;Long Ye ,&nbsp;James Tinkler ,&nbsp;Lukas Raddatz ,&nbsp;Stephen T. Newman (1)","doi":"10.1016/j.cirp.2025.04.069","DOIUrl":"10.1016/j.cirp.2025.04.069","url":null,"abstract":"<div><div>Polycarbonate (PC) is emerging as one of the fastest-growing engineering plastics, but its potential for its application in a circular economy requires further investigation. This research explores the technical feasibility, carbon footprint, and economic impact of recycling injection moulding PC waste via fused deposition modelling (FDM) at a biotechnology manufacturer plant in the UK. The results show that recycling moulded PC scrap using FDM yields 3D printed parts with 88–98 % of virgin PC mechanical properties, produces nearly 70 % less carbon footprint, and saves up to 88 % of costs than utilizing virgin PC material.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 61-65"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611831","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
A glycerol-based slurry for Cs2LiYCl6 crystal polishing 一种用于Cs2LiYCl6晶体抛光的甘油基浆料
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.04.092
Jiang Guo , Ankang Yuan , Jing Li , Zhe Yang , Zili Zhang , Lin Li (1)
{"title":"A glycerol-based slurry for Cs2LiYCl6 crystal polishing","authors":"Jiang Guo ,&nbsp;Ankang Yuan ,&nbsp;Jing Li ,&nbsp;Zhe Yang ,&nbsp;Zili Zhang ,&nbsp;Lin Li (1)","doi":"10.1016/j.cirp.2025.04.092","DOIUrl":"10.1016/j.cirp.2025.04.092","url":null,"abstract":"<div><div>A glycerol-based slurry was developed for the precision polishing of Cs₂LiYCl₆ (CLYC) crystals. Glycerol was chosen as the base liquid to minimize excessive deliquescence, while ethanol was added to enhance the slurry's fluidity. By incorporating a small amount of deionized water and SiO₂ abrasives, the slurry effectively balances deliquescence with mechanical material removal. The material removal mechanism was elucidated through experimental results. Using the optimal parameter set, the surface roughness (<em>R</em>a) was reduced from 900 nm to 85 nm. The energy resolution of the polished CLYC: 0.5% Ce crystal reached 5.73%, meeting the requirements for practical applications.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 471-475"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611560","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
Automated identification of joints dynamic parameters in moving industrial robots for milling applications 铣削移动工业机器人关节动态参数的自动识别
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.04.073
J. Lee, A. Khishtan
{"title":"Automated identification of joints dynamic parameters in moving industrial robots for milling applications","authors":"J. Lee,&nbsp;A. Khishtan","doi":"10.1016/j.cirp.2025.04.073","DOIUrl":"10.1016/j.cirp.2025.04.073","url":null,"abstract":"<div><div>Industrial robots are increasingly used in machining due to their high degrees of freedom and large working space; however, their low structural rigidity limits machining precision. Accurate dynamic models are essential for improving machining performance. This study introduces a novel fast-chirp centrifugal force excitation approach for joints dynamic parameter identification during robot motion. The method effectively captures the in-motion joint’s frictional behavior and accommodates changes in robot configurations along the tool path. Experimental results demonstrate that the dynamic model, integrated with the proposed identification method, accurately predicts chatter stability in robotic milling operations.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 487-491"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611563","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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