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Keywords: assembling
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Journal Articles
Article Type: Technical Briefs
J. Manuf. Sci. Eng. December 2011, 133(6): 064504.
Published Online: December 22, 2011
...Kevin Russell; Lyonel Reinhardt In an effort to produce a more secure assembly fit between the primer and the cartridge case in 5.56 mm combat ammunition, variants of the conventional case stamping tool were developed and incorporated in the small caliber ammunition manufacturing process (or SCAMP...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. June 2011, 133(3): 031014.
Published Online: June 15, 2011
...T. Hussain; Z. Yang; A. A. Popov; S. McWilliam For assembly of rotating machines, such as machining tools, industrial turbomachinery, or aircraft gas turbine engines, parts need to be assembled in order to avoid internal bending of the geometric axis of the rotor to meet functional and vibration...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. April 2011, 133(2): 021016.
Published Online: April 4, 2011
...Andres G. Abad; Kamran Paynabar; Jionghua Judy Jin With the increase of market fluctuation, assembly systems moved from a mass production scheme to a mass customization scheme. Mixed model assembly systems (MMASs) have been recognized as enablers of mass customization manufacturing. However...
Journal Articles
Article Type: Technical Briefs
J. Manuf. Sci. Eng. October 2010, 132(5): 054505.
Published Online: October 5, 2010
...Christoph Heinle; Martina Vetter; Gottfried W. Ehrenstein; Dietmar Drummer Offering a large variety of options, assembly injection molding represents an innovative and highly integrative technique of manufacturing mechatronic systems. This is due to the fact that it combines many technical...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. August 2010, 132(4): 041006.
Published Online: July 22, 2010
...A. Ananthanarayanan; S. K. Gupta; H. A. Bruck In-mold assembly can be used to create mesoscale articulating polymeric joints that enable the miniaturization of devices, reduction in production costs, and increase in throughput. One of the major challenges in miniaturizing devices using the in-mold...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. April 2010, 132(2): 021005.
Published Online: March 30, 2010
...Hui Wang; Jeonghan Ko; Xiaowei Zhu; S. Jack Hu A complexity measure for assembly supply chains has been proposed based on Shannon’s information entropy. This paper extends the definition of such a measure by incorporating the detailed information of the supply chain structure, the number...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. October 2009, 131(5): 051010.
Published Online: September 23, 2009
...Zhenyu Kong; Wenzhen Huang; Asil Oztekin Modeling of variation propagation in multistation assembly processes is crucial in predicting product dimensional quality and general performance of manufacturing systems. Based on the state space modeling, this paper develops a variation propagation model...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. August 2009, 131(4): 041012.
Published Online: July 14, 2009
...Dongyul Lee; Ki Eak Kwon; Jaeyeol Lee; Haeseong Jee; Hyunjune Yim; Seong Wook Cho; Jong-Gye Shin; Gyubong Lee A general and efficient methodology has been developed to analyze dimensional variations of a welded assembly, taking into account of weld distortion. Weld distortion is generally...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. August 2009, 131(4): 041008.
Published Online: July 13, 2009
...L. Eduardo Izquierdo; S. Jack Hu; Hao Du; Ran Jin; Haeseong Jee; Jianjun Shi Reconfigurable assembly systems enable a family of products to be assembled in a single system by adjusting and reconfiguring fixtures according to each product. The sharing of fixtures among different products impacts...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. June 2009, 131(3): 031009.
Published Online: May 5, 2009
... in the absence of resource constraints is obtained. In the presence of resource constraints, two prioritization methods are proposed to obtain effective maintenance policies for a multiple machine system. A case study focusing on a section of an automotive assembly line is used to illustrate the effectiveness...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. June 2009, 131(3): 031005.
Published Online: April 30, 2009
...R. Alan Bowman A gradient-based optimization approach is employed to select design tolerances for the component dimensions of a mechanical assembly to minimize manufacturing cost while achieving a desired probability of meeting functional requirements, known as the yield. Key to the feasibility...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. February 2009, 131(1): 011005.
Published Online: December 18, 2008
...Georg Ungemach; Frank Mantwill The geometric deviations of real parts pose a major challenge, particularly in the extensively automated mass production of complex assemblies. To meet this challenge, an attempt is made, with the aid of statistical tolerance analysis, to predict dimensional accuracy...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. December 2008, 130(6): 061005.
Published Online: October 10, 2008
...T. Phoomboplab; D. Ceglarek Fixtures control the positions and orientations of parts in an assembly process. Inaccuracies of fixture locators or nonoptimal fixture layouts can result in the deviation of a workpiece from its design nominal and lead to overall product dimensional variability and low...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. October 2008, 130(5): 051013.
Published Online: August 29, 2008
...Xiaowei Zhu; S. Jack Hu; Yoram Koren; Samuel P. Marin Mixed-model assembly lines have been recognized as a major enabler to handle product variety. However, the assembly process becomes very complex when the number of product variants is high, which, in turn, may impact the system performance...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. October 2008, 130(5): 051002.
Published Online: August 14, 2008
...Lai Xinmin; Tian Zhaoqing; Lin Zhongqin The fault diagnosis plays an important role for product quality improvement in the multistation assembly processes (MAPs) and the efficiency of diagnosis significantly depends on the sensor distribution strategy, such as the number and location of the sensor...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. August 2008, 130(4): 041009.
Published Online: July 10, 2008
.... The effectiveness of the proposed methodology is demonstrated in a case study of a three-stage assembly process. y a p × 1 vector containing random deviations of p KPCs u s an s × 1 vector containing random deviations of s process variation sources...
Journal Articles
Article Type: Technical Briefs
J. Manuf. Sci. Eng. August 2008, 130(4): 044501.
Published Online: July 8, 2008
...Z. Li; L. E. Izquierdo; M. Kokkolaras; S. J. Hu; P. Y. Papalambros Cost and dimensional variation of products are significant attributes in multistation assembly processes. These attributes depend on product∕process tolerances and fixture layouts. Typically, tolerance allocation and fixture layout...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. February 2008, 130(1): 011014.
Published Online: February 15, 2008
...Zhenyu Kong; Dariusz Ceglarek; Wenzhen Huang Dimensional control has a significant impact on overall product quality and performance of large and complex multistation assembly systems. To date, the identification of process-related faults that cause large variations of key product characteristics...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. October 2007, 129(5): 934–942.
Published Online: May 17, 2007
...Kang Xie; Lee Wells; Jaime A. Camelio; Byeng D. Youn Dimensional variation is inherent to any manufacturing process. In order to minimize its impact on assembly products it is important to understand how the variation propagates through the assembly process. Unfortunately, manufacturing processes...
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. August 2007, 129(4): 832–842.
Published Online: March 27, 2007
...Wenzhen Huang; Jijun Lin; Zhenyu Kong; Dariusz Ceglarek A 3D rigid assembly modeling technique is developed for stream of variation analysis (SOVA) in multi-station processes. An assembly process is modeled as a spatial indexed state transition dynamic system. The model takes into account product...