...Kuan Lu; ChaBum Lee This article introduces a novel hole edge inspection and metrology technology by edge diffractometry, which occurs when light interacts with the hole edge. The proposed method allows for simultaneous characterization of hole part error and edge roughness conditions. Edge...

... the Type I error can be localized with respect to every hatch. Additive manufacturing Inspection Rapid prototyping Sensing Monitoring Quality control Solid freeform fabrication Diagnostics Powder bed fusion (PBF) is an additive manufacturing (AM) process in which thermal energy from...

... This section aims to analyze the effect of hatch spacing (H), laser velocity (V), and laser power (P) on the count, size, and location of pores. Representative XCT images of parts under different P, H and V conditions are shown in Fig. 5 . A visual inspection of the XCT scans shows that the size and number...

...: Zhijian J. Pei. 09 01 2018 03 05 2018 Additive manufacturing Inspection Laser processes Rapid prototyping Sensing Monitoring Quality control Solid freeform fabrication Diagnostics Powder bed fusion (PBF) refers to a family of additive manufacturing (AM) processes...

... manuscript received 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...

...-retraction operations required for each patch, the proposed algorithm is able to significantly reduce the total inspection time, sometimes more than 50%, as validated in our physical inspection experiments. Based on the above-defined feasibility for θ , its feasible range [ θ l , θ u...

... March 22, 2017; final manuscript received September 19, 2017; published online February 15, 2018. Assoc. Editor: Dragan Djurdjanovic. 22 03 2017 19 09 2017 Assembly Control Inspection Modeling and simulation Quality control Automation Composite parts have been widely...

... received December 10, 2017; published online February 13, 2018. Assoc. Editor: Laine Mears. 11 04 2017 10 12 2017 Assembly Inspection Modeling and simulation Sensing Monitoring Quality control Diagnostics Assembly through surface mating (surface assembly) has been widely...

... to monitor the reflected laser light from the protective glass and detect possible damages in the protective cover lens that often causes distorting and attenuation of the laser beam. Reutzel and Nassar [ 10 ] built an imaging system with a filtered camera to inspect powder delivery and flow characteristics...

... accuracy. 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, and polymers [ 1 – 4...

...: 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 for lightweight and stiff structures leads researchers...

.... Manuscript received February 26, 2017; final manuscript received June 30, 2017; published online November 3, 2017. Editor: Y. Lawrence Yao. 26 02 2017 30 06 2017 Injection molding Inspection Modeling and simulation Production systems optimization Polymer fabrication processes...

... 2017 Control Inspection Sensors Sensing Monitoring Quality control Automation Diagnostics Camera-based instruments can be used to acquire data, which contain information about the time varying appearance, structure, or motion of manufacturing machines, processes, or produced...

... manuscript received May 17, 2017; published online August 24, 2017. Assoc. Editor: Ivan Selesnick. 31 01 2017 17 05 2017 Control Design for manufacturing Inspection Process engineering Quality control Automation The convergence of developments in data acquisition, computing...

... manuscript received April 29, 2017; published online August 24, 2017. Assoc. Editor: Robert Gao. 07 02 2017 29 04 2017 Additive manufacturing Inspection Rapid prototyping Sensing Monitoring Quality control Solid freeform fabrication Diagnostics The goal of this research...

... Bukkapatnam. 06 11 2016 26 05 2017 Assembly Inspection Sensing Monitoring Quality control Diagnostics Threaded pipes are pipes with screw-threaded ends for assembly. Such pipes are extensively used in petroleum wells and long-distance petroleum transportation. Ensuring...

... Inspection Rapid prototyping Sensing Monitoring Quality control Solid freeform fabrication Diagnostics Additive manufacturing (AM) offers significant advantages over traditional subtractive and formative manufacturing processes, such as being able to create intricate geometries, eliminating...

.... Manuscript received February 20, 2017; final manuscript received April 21, 2017; published online May 25, 2017. Assoc. Editor: Donggang Yao. 20 02 2017 21 04 2017 Materials processing Inspection Metrology Sensing Monitoring Quality control Diagnostics The need...

.... Manuscript received October 28, 2016; final manuscript received January 30, 2017; published online March 8, 2017. Assoc. Editor: Zhijian J. Pei. 28 10 2016 30 01 2017 Additive manufacturing Inspection Modeling and simulation Rapid prototyping Quality control Solid freeform...

... [20] Volume Graphics, 2015, “ VGStudio Max ,” Volume Graphics, Heidelberg, Germany, accessed June 2015, http://volumegraphics.com/en/products/vgstudio-max/software-bundles/ [21] GOM, 2013, “ GOM Inspect ,” GOM, Braunschweig, Germany, accessed June 2015, http://www.gom.com/3d-software/gom...