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Cirp Annals-Manufacturing Technology最新文献

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A novel dynamic interferometric measurement method based on liquid level reference 基于液位基准的新型动态干涉测量法
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2024-01-01 DOI: 10.1016/j.cirp.2024.04.070
{"title":"A novel dynamic interferometric measurement method based on liquid level reference","authors":"","doi":"10.1016/j.cirp.2024.04.070","DOIUrl":"10.1016/j.cirp.2024.04.070","url":null,"abstract":"<div><p>Dynamic optical interferometric measurement method directly uses the liquid level as the reference surface, which immerses the tested object in liquid, and the interferograms are generated based on the optical path difference between the surfaces of the liquid and the object. The phase shift is realized by adjusting the incident angle of the laser with a rotation reflector. A generalized inhomogeneous phase shift algorithm is developed to suppress the micro-vibration of the liquid surface by the iterative least squares method combined with a confidence matrix. The high performance of the proposed method has been well verified in simulation and experiment.</p></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"73 1","pages":"Pages 397-400"},"PeriodicalIF":3.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141028239","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
Upflow mitigation strategy for nested printing 嵌套印刷的上溢缓解策略
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2024-01-01 DOI: 10.1016/j.cirp.2024.04.047
{"title":"Upflow mitigation strategy for nested printing","authors":"","doi":"10.1016/j.cirp.2024.04.047","DOIUrl":"10.1016/j.cirp.2024.04.047","url":null,"abstract":"<div><p>Embedded printing enables the fabrication of integrated and enveloped internal geometries. Upflow, a geometrical deviation resulting from nozzle-translation-induced hydrodynamics, may affect the printing accuracy during embedded printing, in particular, nested printing where multiple layers are disturbed simultaneously during embedded printing internally nested structures within pre-deposited yield-stress structures. For the first time, this study identifies and characterizes two distinct upflow patterns including the interfacial upflow between the depositing and enclosure matrices during nested printing. Furthermore, a four-step upflow mitigation strategy is proposed and evaluated, and its effectiveness is demonstrated in printing a brain limbic system with significantly improved printing fidelity.</p></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"73 1","pages":"Pages 181-184"},"PeriodicalIF":3.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141029711","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
Real-time prediction of material removal rate for advanced process control of chemical mechanical polishing 实时预测材料去除率，实现化学机械抛光的先进过程控制
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2024-01-01 DOI: 10.1016/j.cirp.2024.04.028
{"title":"Real-time prediction of material removal rate for advanced process control of chemical mechanical polishing","authors":"","doi":"10.1016/j.cirp.2024.04.028","DOIUrl":"10.1016/j.cirp.2024.04.028","url":null,"abstract":"<div><p>Polishing torque holds significance in monitoring the chemical mechanical polishing (CMP) process due to its close correlation with material removal. This study introduces a new model-based technique for estimating the material removal rate (MRR) using in-process data from CMP machines. The proposed method employs either the sequential least squares method or Kalman filter for real-time state estimation. Real-time estimation of MRR enables material removal control without relying on conventional endpoint detection (EDP) technologies. The accuracy of the proposed approach is validated through oxide CMP experiments, demonstrating precise estimation of the center-slowed MRR profile towards the end of the pad life.</p></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"73 1","pages":"Pages 269-272"},"PeriodicalIF":3.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141036363","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
Forming of ultra-thin titanium sheets with intermediate electropulsing treatment 通过中间电脉冲处理形成超薄钛板
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2024-01-01 DOI: 10.1016/j.cirp.2024.03.011
{"title":"Forming of ultra-thin titanium sheets with intermediate electropulsing treatment","authors":"","doi":"10.1016/j.cirp.2024.03.011","DOIUrl":"10.1016/j.cirp.2024.03.011","url":null,"abstract":"<div><p>The formability of the ultra-thin (0.1 mm) titanium sheet is improved by introducing an intermediate electropulsing treatment in a two-step stamping process. This improvement is attributed to the enhancement in both the work hardening capability and total elongation. A short-duration electropulsing treatment (∼2 s) significantly reduces the twin density and dislocation pile-up, while also expediting the formation of equi-axed recrystallized grains in the pre-deformed titanium sheets. With its excellent time- and cost-efficiency, the proposed process has the potential to be seamlessly integrated into conventional multi-step stamping lines to extend the forming limits of ultra-thin titanium sheets.</p></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"73 1","pages":"Pages 241-244"},"PeriodicalIF":3.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141044378","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
Rotary dressing and cylindrical grinding simulation for lead pattern prediction 旋转修整和外圆磨削模拟用于铅型预测
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2024-01-01 DOI: 10.1016/j.cirp.2024.04.038
{"title":"Rotary dressing and cylindrical grinding simulation for lead pattern prediction","authors":"","doi":"10.1016/j.cirp.2024.04.038","DOIUrl":"10.1016/j.cirp.2024.04.038","url":null,"abstract":"<div><p>A kinematic model of rotary dressing - cylindrical grinding for lead pattern prediction is presented. Analysis of dressing and grinding parameters, dressing forces, and wheel imbalance effects has been conducted, providing a comprehensive look at the interrelationships between them and the resulting lead pattern. For model validation, a series of experimental tests has been performed, where workpiece and simulation lead has been characterized according to MBN 31,007–7 standard. Results emphasize the significance of modelling and translate it into a useful tool for selecting optimal dressing and grinding parameters for achieving specific surface qualities where lead is minimised or eliminated.</p></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"73 1","pages":"Pages 249-252"},"PeriodicalIF":3.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141050301","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
Modeling of process-induced geometrical deviation in broaching for fir-tree slots 杉木槽拉削时工艺引起的几何偏差建模
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2024-01-01 DOI: 10.1016/j.cirp.2024.04.055
{"title":"Modeling of process-induced geometrical deviation in broaching for fir-tree slots","authors":"","doi":"10.1016/j.cirp.2024.04.055","DOIUrl":"10.1016/j.cirp.2024.04.055","url":null,"abstract":"<div><p>Broaching is a key technology for the manufacturing of fir-tree slots. Due to the high-temperature-resistant materials used, a high mechanical load is applied to the workpiece during machining. Because of the filigree workpiece structure, the high mechanical load leads to a geometrical deviation of the machined webs which are formed by two consecutive fir-tree slots on the rotor circumference. Therefore, a methodology was developed to predict the resulting geometrical workpiece deviation. It was shown and validated in analogy experiments that the minimum achievable deviation is a function of the web geometry independent of the number of calibration cutters.</p></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"73 1","pages":"Pages 57-60"},"PeriodicalIF":3.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0007850624000623/pdfft?md5=03c1b5bedc3bdf0401689401b0c79f4a&pid=1-s2.0-S0007850624000623-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141055177","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Improving machining characteristics of electrical discharge machining by superimposing impulse current 通过叠加脉冲电流改善放电加工的加工特性
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2024-01-01 DOI: 10.1016/j.cirp.2024.04.019
{"title":"Improving machining characteristics of electrical discharge machining by superimposing impulse current","authors":"","doi":"10.1016/j.cirp.2024.04.019","DOIUrl":"10.1016/j.cirp.2024.04.019","url":null,"abstract":"<div><p>This paper aims to enhance the machining characteristics of sinking electrical discharge machining by superimposing an impulse current on a conventional rectangular pulse. The material removal was found to be more significant when the time point of superposition was set earlier after the dielectric breakdown, as the plasma diameter is smaller. However, superimposition immediately after the discharge ignition leads to a higher tool wear ratio. Through experimentation and simulation, it was determined that the optimal time point to increase material removal while keeping tool wear low is approximately 12.5 μs when the rectangular pulse duration was 50 μs.</p></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"73 1","pages":"Pages 113-116"},"PeriodicalIF":3.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141139221","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
Integration of multimodal data and explainable artificial intelligence for root cause analysis in manufacturing processes 整合多模态数据和可解释人工智能，对制造过程进行根本原因分析
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2024-01-01 DOI: 10.1016/j.cirp.2024.04.014
{"title":"Integration of multimodal data and explainable artificial intelligence for root cause analysis in manufacturing processes","authors":"","doi":"10.1016/j.cirp.2024.04.014","DOIUrl":"10.1016/j.cirp.2024.04.014","url":null,"abstract":"<div><p>Nowadays, the growing complexities of manufacturing processes and systems make it difficult to identify the root causes of critical deviations in performance. Conventional methods often fall short in capturing the multifaceted nature of these challenges, despite a wealth of diverse untapped manufacturing data. To harness the full potential of diverse data sets and transform them into a valuable asset to guide root cause exploration, this paper presents an innovative approach that combines multimodal predictive analysis and explainable artificial intelligence (XAI) to uncover insights into system dynamics. This work contributes to a paradigm shift in industrial decision-making regarding manufacturing diagnostics.</p></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"73 1","pages":"Pages 365-368"},"PeriodicalIF":3.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0007850624000283/pdfft?md5=887520c869ffd3c0e0c45364aae5556d&pid=1-s2.0-S0007850624000283-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141141737","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of recycled swarf and spherical Ti-6Al-4V feedstocks on laser directed energy deposition additive manufacturing 回收屑和球形 Ti-6Al-4V 原料对激光定向能沉积增材制造的影响
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2024-01-01 DOI: 10.1016/j.cirp.2024.03.013
{"title":"Effect of recycled swarf and spherical Ti-6Al-4V feedstocks on laser directed energy deposition additive manufacturing","authors":"","doi":"10.1016/j.cirp.2024.03.013","DOIUrl":"10.1016/j.cirp.2024.03.013","url":null,"abstract":"<div><p>Feedstock from locally-sourced, recycled Ti-6Al-4V (Ti64) swarf is a low-cost alternative to atomized powder and encourages circular additive manufacturing. This study investigates the feasibility of Ti64 swarf as feedstock for laser directed energy deposition (L-DED) additive manufacturing. Ti64 swarf was recycled and ball-milled into irregular-shaped powder and compared to spherical plasma-atomized powder in powder flow, melt flow, and resulting microstructure. <em>In situ</em> monitoring showed that plasma-atomized powder had laminar flow during deposition and that ball-milled swarf powder had turbulent flow. Plasma-atomized powder caused steady melt pool dynamics and acicular microstructure. Ball-milled swarf powder caused melt pool fluctuation and equiaxed microstructure.</p></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"73 1","pages":"Pages 193-196"},"PeriodicalIF":3.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0007850624000155/pdfft?md5=3c9ee064c7446adcf44b51bcc3d774d9&pid=1-s2.0-S0007850624000155-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141142643","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Human-centric integrated safety and quality assurance in collaborative robotic manufacturing systems 协作机器人制造系统中以人为中心的综合安全和质量保证
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2024-01-01 DOI: 10.1016/j.cirp.2024.04.008
{"title":"Human-centric integrated safety and quality assurance in collaborative robotic manufacturing systems","authors":"","doi":"10.1016/j.cirp.2024.04.008","DOIUrl":"10.1016/j.cirp.2024.04.008","url":null,"abstract":"<div><p>Safety concerns severely impede industrial adoption of emerging human-robot collaborative manufacturing systems. A human-centric anomaly detection framework rooted in decision theory is proposed for integrated safety and quality assurance—which is a marked departure from earlier, quality- or safety-exclusive process control approaches. The framework adapts deep learning models to track fast robot motions from surveillance cameras and provides real-time, risk-metered alerts of anomalous trajectory deviations with theoretical guarantees. Application to a shared human-robot assembly line suggests that the framework can outperform conventional statistical process control methods in reducing safety risks and allows for straightforward extensions to more involved manufacturing settings.</p></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"73 1","pages":"Pages 345-348"},"PeriodicalIF":3.2,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140780997","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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