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Feedrate optimization based on part-to-part learning in repeated machining 重复加工中基于零件学习的进给速度优化
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.04.043
Cheng-Hao Chou, Chenhui Shao, Chinedum E. Okwudire (2)
{"title":"Feedrate optimization based on part-to-part learning in repeated machining","authors":"Cheng-Hao Chou,&nbsp;Chenhui Shao,&nbsp;Chinedum E. Okwudire (2)","doi":"10.1016/j.cirp.2025.04.043","DOIUrl":"10.1016/j.cirp.2025.04.043","url":null,"abstract":"<div><div>Cutting operations often involve machining parts of similar geometry repeatedly, offering opportunities for learning-based improvements. While past studies have focused on enhancing machining accuracy through part-to-part learning, this work shifts the focus to optimizing feedrate under servo error constraints. A data-driven model, trained online on prior machining data, predicts future servo errors and enables iterative feedrate optimization. Confidence in the model improves as more parts are machined, permitting progressively higher feedrates. Experimental results demonstrate significant speed gains within a few iterations, showcasing the potential of part-to-part learning for autonomously achieving faster machining without violating servo error constraints.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 569-573"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611577","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
Tool path generation for precision roughing of BLISKS via abrasive waterjet machining 磨料水射流加工BLISKS精密粗加工的刀路生成
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.04.046
Lutfi Taner Tunc (2)
{"title":"Tool path generation for precision roughing of BLISKS via abrasive waterjet machining","authors":"Lutfi Taner Tunc (2)","doi":"10.1016/j.cirp.2025.04.046","DOIUrl":"10.1016/j.cirp.2025.04.046","url":null,"abstract":"<div><div>Manufacturing process chains of bladed disks are energy intense. Heat resistant properties of Inconel alloys make them very challenging to cut by conventional milling at roughing conditions, where excessive cutting forces and vibration arise. Abrasive waterjet machining (AWJM) offers several benefits in cutting of such materials. In the literature, 5-axis AWJM of blisks is not well studied for machining strategy, parameter selection and tool path generation. This paper presents a unified approach for development of 5-axis AWJM roughing of blisks. The proposed approach is demonstrated on a representative part made of Inconel 718.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 563-567"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611576","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
Cascaded FIR and half-sine filter-based smooth trajectory generation algorithm 基于级联FIR和半正弦滤波器的平滑轨迹生成算法
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.04.088
Y. Altintas (1), M.Abdar Esfahani, B. Karimi, O. Gatenby
{"title":"Cascaded FIR and half-sine filter-based smooth trajectory generation algorithm","authors":"Y. Altintas (1),&nbsp;M.Abdar Esfahani,&nbsp;B. Karimi,&nbsp;O. Gatenby","doi":"10.1016/j.cirp.2025.04.088","DOIUrl":"10.1016/j.cirp.2025.04.088","url":null,"abstract":"<div><div>This paper presents a new trajectory generation algorithm that consists of a cascaded Finite Impulse Response (FIR) and a half-sine filter. FIR filter is used to set the acceleration, and the half-sine wave generates continuous velocity-acceleration and jerk motions along the tool path while avoiding the excitation of the machine vibrations. The algorithm allows for control of cornering errors between the discontinuous path segments. The algorithm is experimentally validated to damp the vibrations of a cantilevered beam, a mode of an industrial machine’s ball screw drive, and a tool path with sharp curvatures on a two-axis machine.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 559-562"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611575","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
Directional factor as the key factor for chatter free robotic milling of light alloys 方向因素是影响轻合金无颤振铣削的关键因素
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.04.091
Z. Dombovari , I. Laka , A. Bartfai , A. Karaca , E. Budak (1) , G. Stepan (1) , J. Munoa (1)
{"title":"Directional factor as the key factor for chatter free robotic milling of light alloys","authors":"Z. Dombovari ,&nbsp;I. Laka ,&nbsp;A. Bartfai ,&nbsp;A. Karaca ,&nbsp;E. Budak (1) ,&nbsp;G. Stepan (1) ,&nbsp;J. Munoa (1)","doi":"10.1016/j.cirp.2025.04.091","DOIUrl":"10.1016/j.cirp.2025.04.091","url":null,"abstract":"<div><div>Robotic milling systems are increasingly used for light alloys and composites, but face challenges due to high dynamic flexibility of robots. A key issue is low-frequency chatter, linked to the robot's structural modes during high-speed operations. Therefore, this study deals with a dominant flexible mode with high tooth-passing frequencies, highlighting the influence of the directional factor. Negative directional factors can cause low-frequency chatter at high spindle speeds. Polar stability lobes show that optimal feed direction and radial engagement zones align with positive directional factors. The study shows that slotting operations assure a chatter free machining. Experimental validation confirms theoretical findings.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 553-557"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611574","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
Material hybrid and sensor integrated lightweight machine tool components 材料混合和传感器集成的轻型机床部件
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.04.042
Hans-Christian Möhring (2), Michelle Engert, Kim Torben Werkle
{"title":"Material hybrid and sensor integrated lightweight machine tool components","authors":"Hans-Christian Möhring (2),&nbsp;Michelle Engert,&nbsp;Kim Torben Werkle","doi":"10.1016/j.cirp.2025.04.042","DOIUrl":"10.1016/j.cirp.2025.04.042","url":null,"abstract":"<div><div>Lightweight machine tool components provide the potential of improved system dynamics and reduced energy consumption. In this research, pre-stressed fiber-reinforced polymer concrete (PFRPC) structures were investigated, focusing on lightweight design and functional integration. An integrated strain measurement functionality was realized by embedding Fiber Bragg Gratings (FBG). Two versions of machine tool cantilever arms in the form of a Stewart platform were built using remaining plastic molds. The mechanical properties and operational characteristics were analyzed and compared with those of a conventional steel structure showing the high potential of the hybrid material with regard to the improved system dynamics.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 499-503"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611565","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
Towards large-scale production of improved magnetic flux guidance structures in non-grain-oriented electrical steel 面向非晶粒取向电工钢改进型磁导结构的大规模生产
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.03.021
Phillip Stöcks-Morgan , Tobias Neuwirth , Achref Douiri , Simon R. Sebold , Anders Kaestner , Christoph Hartmann , Nora Leuning , Michael Schulz , Wolfram Volk (1)
{"title":"Towards large-scale production of improved magnetic flux guidance structures in non-grain-oriented electrical steel","authors":"Phillip Stöcks-Morgan ,&nbsp;Tobias Neuwirth ,&nbsp;Achref Douiri ,&nbsp;Simon R. Sebold ,&nbsp;Anders Kaestner ,&nbsp;Christoph Hartmann ,&nbsp;Nora Leuning ,&nbsp;Michael Schulz ,&nbsp;Wolfram Volk (1)","doi":"10.1016/j.cirp.2025.03.021","DOIUrl":"10.1016/j.cirp.2025.03.021","url":null,"abstract":"<div><div>Modern synchronous electric drives require magnetic anisotropy in their rotor, manufactured from non-oriented electrical steel. Conventionally, flux barriers are placed on electrical steel sheets by removing the material, creating small recesses. While the approach is magnetically effective, the rotor is mechanically weakened. Embossed flux barriers offer an approach to stiffen the rotor mechanically, increasing efficiency. The required micro-embossing was successfully produced on an industry-grade press for the first time. Magnetic characterisation of the samples using neutron grating interferometry and a single sheet tester shows that the novel technology is transferrable from the laboratory frame to large-scale industrial manufacturing processes.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 411-415"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611570","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
Bio-inspired multifunctional end effectors for in-space servicing, assembly and manufacturing (ISAM) 用于空间维修、装配和制造（ISAM）的仿生多功能末端执行器
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.04.001
Salil Bapat , Tanvi Arey , John Vickers , Ajay P. Malshe (1)
{"title":"Bio-inspired multifunctional end effectors for in-space servicing, assembly and manufacturing (ISAM)","authors":"Salil Bapat ,&nbsp;Tanvi Arey ,&nbsp;John Vickers ,&nbsp;Ajay P. Malshe (1)","doi":"10.1016/j.cirp.2025.04.001","DOIUrl":"10.1016/j.cirp.2025.04.001","url":null,"abstract":"<div><div>This paper presents the application of crab-inspired design to develop a multifunctional robotic end effector for in-space servicing, assembly, and manufacturing (ISAM). It is demonstrated that crab hub and claw-inspired design, when 3D printed using carbon fiber composite, withstand space environments for severe vibration during launch and re-entry in and from space to earth in a vessel and vacuum. Testing this design demonstrated the end effector's versatility for tasks, including pick-and-place, twist-and-turn, and push-and-pull before and after the testing for space conditions. This study demonstrates the potential of novel bio-inspired principles to design and develop products for new commercial ISAM infrastructure.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 185-189"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611884","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
Tool failure: a method for stress calculation of worn cutting tools 刀具失效：一种计算磨损刀具应力的方法
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.03.032
Benjamin Bergmann (2), Jan Schenzel, Malte Kraeft
{"title":"Tool failure: a method for stress calculation of worn cutting tools","authors":"Benjamin Bergmann (2),&nbsp;Jan Schenzel,&nbsp;Malte Kraeft","doi":"10.1016/j.cirp.2025.03.032","DOIUrl":"10.1016/j.cirp.2025.03.032","url":null,"abstract":"<div><div>Basic knowledge of mechanical stresses is essential for an adapted tool design. A method for calculating internal stresses based on measured external stresses is shown. This eliminates the need for modelling the tool, chip and workpiece interaction as it is required in FE-based chip formation simulations. Thus, in-situ elastoplastic effects, such as springback or built-up edges, are directly considered. Using this approach, internal stresses of worn cutting tools are calculated at different wear states in order to understand tool wear. The experimental investigations show that for the machining of AISI1045+<em>N</em> principal stresses <em>σ<sub>1</sub></em> are the significant cause for tool failure.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 123-126"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611808","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
Consideration of Bauschinger effect based on a reduced texture approach for improved springback prediction with computational efficiency 考虑包辛格效应的简化织构法提高回弹预测的计算效率
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.03.022
Donghwan Noh , Jeong Whan Yoon (2)
{"title":"Consideration of Bauschinger effect based on a reduced texture approach for improved springback prediction with computational efficiency","authors":"Donghwan Noh ,&nbsp;Jeong Whan Yoon (2)","doi":"10.1016/j.cirp.2025.03.022","DOIUrl":"10.1016/j.cirp.2025.03.022","url":null,"abstract":"<div><div>This study introduces a reduced texture approach to efficiently describe the plastic behavior of AA6022-T43. By reducing the number of orientations in Finite Element (FE) analyses, the reduced texture approach improves computational efficiency while accurately predicting plastic responses. The approach calibrates a small number of crystallographic orientations using mechanical test results. By incorporating a kinematic hardening model, it captures Bauschinger effect, transient behavior, and permanent softening. Its predictive accuracy is also validated in springback, a critical challenge in sheet metal forming. The results confirm its potential as a computationally efficient alternative to continuum models for large scale engineering problems.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 351-355"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611893","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
Electromagnetic field-assisted ultra-precision grinding of single-crystal Ni-based superalloy 电磁场辅助镍基单晶高温合金的超精密磨削
IF 3.2 3区 工程技术
Cirp Annals-Manufacturing Technology Pub Date : 2025-01-01 DOI: 10.1016/j.cirp.2025.04.049
Te Zhao , Suet To (2) , Tengfei Yin , Xiangqian Jiang (1)
{"title":"Electromagnetic field-assisted ultra-precision grinding of single-crystal Ni-based superalloy","authors":"Te Zhao ,&nbsp;Suet To (2) ,&nbsp;Tengfei Yin ,&nbsp;Xiangqian Jiang (1)","doi":"10.1016/j.cirp.2025.04.049","DOIUrl":"10.1016/j.cirp.2025.04.049","url":null,"abstract":"<div><div>This paper proposes the integration of an electromagnetic field into the ultra-precision grinding process to improve the machinability of the single-crystal nickel-based superalloy. The effects of the magnetic flux intensity on the grinding wheel vibration and surface integrity were investigated through grinding experiments. The results show that the wheel vibration amplitude was reduced by 45.82% by applying the electromagnetic field. The arithmetic mean height (Sa) and the maximum height difference (Sz) were decreased by 71.09% and 67.69%, respectively, in the optimal condition, which demonstrates the effectiveness of the proposed electromagnetic field-assisted ultra-precision grinding process.</div></div>","PeriodicalId":55256,"journal":{"name":"Cirp Annals-Manufacturing Technology","volume":"74 1","pages":"Pages 429-433"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611552","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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