... in-situ anomaly detection thermal history quality control process monitoring National Science Foundation 10.13039/100000001 CMMI-2046515 One of the biggest limitations in the broader adoption of directed energy deposition (DED) based additive manufacturing (AM) techniques...

...: t.vaneker@utwente.nl Email: niya@ramlab.com 1 Corresponding author. Email: qiang.huang@usc.edu 12 10 2021 30 05 2022 30 05 2022 22 06 2022 shape deviation modeling error compensation quality control data analytics In recent years, metal additive...

... parameters nonstop. While a manufacturing process always has natural variations, it is crucial to detect significant changes to the process for quality control, as such changes may be the early signs of machine faults. This motivates our study on change-point detection methods for automotive manufacturing...

... characterizes surface finishes for quality control of ultraprecision machining but also provides an effective model to link process parameters with fractal characteristics of in-process images acquired from additive manufacturing. This, in turn, will allow a swift response to processes changes and consequently...

... June 2, 2018; published online August 31, 2018. Assoc. Editor: Karl R. Haapala. 15 12 2017 02 06 2018 Injection molding Machine tool dynamics Machining processes Sustainable manufacturing Quality control Surface integrity includes the mechanical properties...

... materials that may be introduced in the powder feedstock used in the process due to reasons such as poor cleaning of the machine after previous builds or inadequate quality control during production and storage of the powder. Material cross-contamination may lead to deleterious changes in the microstructure...

... Quality control Solid freeform fabrication Automation Diagnostics A far less expensive alternative to thermal imaging for detection of micrometer-level defects is through the use of photodetectors and spectrometers. Nassar et al. in a series of papers demonstrate the use of such optical...

... Injection molding Metrology Sensing Monitoring Quality control Diagnostics Leakage is an important issue of concern in manufacturing industry. When the leakage occurs, it is a huge danger which can cause resources waste, product quality decline, equipment damage, and environment pollution...

.... , Yasa , E. , and Kruth , J.-P. , 2011 , “ Online Quality Control of Selective Laser Melting ,” Solid Freeform Fabrication Conference ( SFF ), Austin, TX, pp. 212 – 218 . https://sffsymposium.engr.utexas.edu/Manuscripts/2011/2011-17-Craeghs.pdf [48] Gu , D. , and Shen , Y. , 2009...

... March 4, 2018; published online May 11, 2018. Assoc. Editor: Kai Cheng. 31 03 2017 04 03 2018 Design for manufacturing Grinding Inspection Laser processes Process planning Abrasive processes Quality control Zirconia ceramics is one kind of important ceramic materials...

..., 2018; published online April 16, 2018. Assoc. Editor: Laine Mears. 28 07 2017 05 03 2018 Injection molding Machine tool dynamics Machining processes Metrology Modeling and simulation Quality control Due to cutting forces, the tool and workpiece in any machining...

.... 1 Corresponding author. Manuscript received December 5, 2017; final manuscript received February 1, 2018; published online April 2, 2018. Editor: Y. Lawrence Yao. 05 12 2017 01 02 2018 CAD Inspection Process planning CAM CAE Quality control The barrel-shaped...

... to include a weighted loss F W F F T in the objective function, which will dilute the performance of dimensional quality control. Instead, we consider that the actuators' forces are bounded by the actuators' capability and engineering specifications of their maximum forces. Thus, the control...

... received June 21, 2017; final manuscript received December 22, 2017; published online February 15, 2018. Assoc. Editor: Radu Pavel. 21 06 2017 22 12 2017 Injection molding Machining processes Quality control Accurate modeling of the metal cutting process is highly required...

... and functional performance problems. The surface mating errors are difficult to diagnose because they are not measurable. Current in-plant quality control for surface mating focuses on controlling the surface flatness of each individual part before they are mated, and the mating errors are indirectly evaluated...

... for the characterization and detection of defects in PBF-AM parts. Both simulation and real-world case studies show that the proposed approach effectively detects and characterizes various defect patterns in AM images and has strong potential for quality control of AM processes. References [1] Kruth , J.-P...

.... 09 04 2017 17 09 2017 Injection molding Modeling and simulation Sensing Monitoring Quality control Diagnostics Multistation assembly is a complex and large-scale manufacturing system that involves numerous parts and multiple stations to assemble the final product...

... 19 11 2017 Additive manufacturing Design for manufacturing Inspection Rapid prototyping Quality control Solid freeform fabrication Additive manufacturing (AM) enables the fabrication of complex geometry parts for a broad range of materials including metals, ceramics...

... October 9, 2017; published online November 16, 2017. Assoc. Editor: Sam Anand. 27 11 2016 09 10 2017 Additive manufacturing Design for manufacturing Inspection CAE CAM CAD Quality control Cellular structures are of immense interest in engineering applications. The need...

... Quality control Carbon fiber-reinforced plastics (CFRPs) are found in a wide range of applications that require high strength to weight ratio. Industries are continuously seeking more sustainable alternatives to replace some of the materials currently used in manufacturing their products...