... rigid body based variation modeling is not suitable for compliant assembly while finite element analysis based methods have the disadvantage of requiring heavy computation efforts. In view of that, this paper develops a novel methodology to evaluate geometric variation propagation in multi-station...

... manufacturing assembly National Science Foundation 10.13039/100000001 2026276 2026533 The rapid consumption of consumer electronics and the subsequent waste generation rate have pushed corporates to consider remanufacturing as a promising strategy for the efficient recovery of end...

... flow in the supply chain network. Considering the supply chain reconfigurability, this article develops a new mathematical model based on nonlinear integer programming to optimize supply chain reconfiguration and assembly planning jointly. An evolutionary algorithm (EA) is developed and customized...

...Sichao Liu; Lihui Wang; Xi Vincent Wang In human–robot collaborative assembly, leveraging multimodal commands for intuitive robot control remains a challenge from command translation to efficient collaborative operations. This article investigates multimodal data-driven robot control for human...

...Linbo Zhu; Abdel-Hakim Bouzid; Jun Hong Bolted flange joints are extensively used in pressure vessels and piping equipment and rotating machinery. Achieving a uniform bolt preload during the assembly process is particularly important to satisfy tightness in applications such as oil, gas, fossil...

... configurations of the assembly are obtained after the updating of mating constraints between rigid and nonrigid parts with defects. The composite positional tolerance is analyzed with the simulation of relative motion between parts. A case study is proposed to evaluate the developed tolerancing method. Email...

...Sichao Liu; Lihui Wang; Xi Vincent Wang In human–robot collaborative assembly, robots are often required to dynamically change their preplanned tasks to collaborate with human operators in close proximity. One essential requirement of such an environment is enhanced flexibility and adaptability...

...: thomas.klein@ait.ac.at Email: georg.kirov@sagos-engineering.com Email: stephan.ucsnik@ait.ac.at 2 Present address: SAGOS-Engineering, 4963 St. Peter am Hart, Austria. 07 08 2020 09 10 2020 11 10 2020 16 12 2020 advanced materials and processing assembly welding...

... activated by shape memory alloy (SMA) actuators. However, actuation of SMAs is complex due to their nonlinear and hysteresis behavior that depends on stress, strain, and temperature during operation. This work studies rapid manufacturing (via 3D printing), precise assembly, and performance evaluation...

... machine tool machine tool interfaces and contacts structural design topology optimization assembly machine tool dynamics modeling and simulation In machine tool literature, equivalent contact models have been studied extensively for different components of the system since contacts function...

... demands on tolerancing in a new era of digital manufacturing. The proposed methodology is illustrated and verified with an industrial case example on a two-part assembly. Email: P.Franciosa@warwick.ac.uk Email: ZhijieMo@seu.edu.cn Email: D.J.Ceglarek@warwick.ac.uk 08 04 2019 13 02...

...Changhui Liu; Tao Liu; Juan Du; Yansong Zhang; Xinmin Lai; Jianjun Shi Ship assembly involves thousands of large dimensional compliant metal plates. These compliant metal plates are fully welded together by seam welding in the assembly process. Different from the automobile and aerospace assembly...

...Binbin Li; Heping Chen; Tongdan Jin Advanced industrial robotic assembly requires the process parameters to be tuned to achieve high efficiency: short assembly cycle (AC) time and high first-time throughput (FTT) rate. This task is usually undertaken offline because of the difficulties in real-time...

...Roham Sadeghi Tabar; Kristina Wärmefjord; Rikard Söderberg; Lars Lindkvist Spot welding is the predominant joining process for the sheet metal assemblies. The assemblies, during this process, are mainly bent and deformed. These deformations, along with the single part variations, are the primary...

...Juan Du; Xiaowei Yue; Jeffrey H. Hunt; Jianjun Shi Shape control is a critical task in the composite fuselage assembly process due to the dimensional variabilities of incoming fuselages. To realize fuselage shape adjustment, actuators are used to pull or push several points on a fuselage. Given...

.... Manuscript received August 31, 2017; final manuscript received June 8, 2018; published online July 5, 2018. Assoc. Editor: Wayne Cai. 31 08 2017 08 06 2018 Assembly Control Nontraditional manufacturing processes Welding Automation Joining This paper presents a method...

...Andrea Corrado; Wilma Polini Tolerance analysis defines a procedure to estimate the resultant variation of the assembly geometry, given the tolerances associated with individual components and the functional relationship between the individual components and the assembly requirements. This aspect...

...Haidong Yu; Chunzhang Zhao; Xinmin Lai The accurate calculation of deformation during assembly process is important for deviation propagation of large-scale thin-walled hemisphere structures with manufacturing deviations due to the nonuniformed material properties and nonlinear geometrical behavior...

...Abolfazl Rezaei Aderiani; Kristina Wärmefjord; Rikard Söderberg Selective assembly is a means of obtaining higher quality product assemblies by using relatively low-quality components. Components are selected and classified according to their dimensions and then assembled. Past research has often...

... Assembly Modeling and simulation Welding Joining Friction stir welding (FSW) is a solid-state joining process that is capable of welding similar and dissimilar metals. The solid-state nature of the process signifies the fact that the temperature during the FSW process remains below the melting...