Recent Submissions

  • Manufacturing of a Heterogeneous Flywheel on a LENS Apparatus 

    Morvan, Stephane; Fadel, Georges; Love, James; Keicher, Dave (2001)
    The design of a 1D gradient component satisfying a particular set of constraints is extended to its manufacturing on a multi-material capable apparatus. The geometry and composition of this flywheel were designed to meet ...
  • Powder Delivery in Dental Restoration Rapid Prototyping Process 

    Wang, Jiwen; Li, Xiaoxuan; Shaw, Leon L.; Marcus, Harris L.; Cameron, Thomas B. (2001)
    Rapid prototyping of dental restoration has been investigated for its potential to save time and cost. In this paper, a powder delivery system was developed to deliver dental porcelain powder accurately into 2-D shapes ...
  • Custom Fabrication of Hard Tissue Reconstructive Frameworks 

    Nambiar, R.V.; Jones, R.E.; Gomez, J.R. (2001)
    The feasibility of fabricating custom frameworks for tissue regeneration utilizing three-dimensional inkjet printing technology followed by slip casting was investigated. A CAD solid model of mold was created with ...
  • Rapid Prototyping Assisted Design and Development of Inter-Vertebral Implants 

    Chiang, J.; Lehmicke, M.; Dcosta, D.; Xu, X.; Lin, F.; Sun, W. (2001)
    This paper presents a case study of applying rapid prototyping in assisting in the design and development of inter-vertebral implants for spine fusions. The major process of design and implant development, its biological ...
  • Testing of Compliance in a Prosthetic Socket Fabricated Using Selective Laser Sintering 

    Lokhande, Mahendra; Crawford, Richard (2001)
    Solid freeform fabrication techniques offer potential as manufacturing technologies in applications that require custom design. One such application is the fabrication of prosthetic sockets. This paper reports on research ...
  • Clinical Evaluation of Prosthetic Sockets Manufactured by Selective Laser Sintering 

    Rogers, Bill; Gitter, Andrew; Bosker, Gordon; Faustini, Mario; Lokhande, Mahendra; Crawford, Richard (2001)
    A pilot study was undertaken to evaluate the clinical acceptance of prosthetic limb sockets manufactured using solid freeform fabrication (SFF). The fabrication of sockets for amputees is a natural application for SFF. ...
  • Automated Construction using Contour Crafting 

    Khoshnevis, B.; Kwon, H.; Bukkapatnam, S. (2001)
    This paper presents some concepts and initial investigation of a novel construction automation approach using the Contour Crafting (CC) layered fabrication process, developed at the University of Southern California. CC ...
  • Simulation of the Electrochemical Machining Process 

    Temur, R.; Coole, T.; Bocking, C. (2001)
    Electrochemical machining (ECM) or erosion, is a process for shaping materials by means of the anodic dissolution of a work-piece using suitably shaped cathodes? However, the predictability of the process is poor due to ...
  • Software for the Interactive Configuration of RP Based Process Chains 

    Dreher, Stefan (2001)
    In product development, time is one of the most critical factors. By introducing Rapid Prototyping methods, development time can be reduced dramatically. But the required characteristics of the generated prototypes become ...
  • Physical Modeling for Dynamic Control of Melting Process in Direct-SLS 

    Ahn, S.; Murphy, J.; Ramos, J.; Beaman, J.J. (2001)
    During the melting process by laser irradiation, it is essential to understand the phase change processes to get high quality Direct SLS parts especially when highorder scanning paths are needed. This process is a transient ...
  • Control of Laser Cladding for Rapid Prototyping--a Review 

    Boddu, Mallikharjuna R.; Landers, Robert G.; Liou, Frank W. (2001)
    Lasers have wide–ranging applications in the manufacturing field (e.g., cladding, welding, cutting, machining, drilling). Extensive work is being conducted to apply laser cladding as a Rapid Prototyping (RP) process. In ...
  • Empirical Modeling and Vision Based Control for Laser Aided Metal Deposition Process 

    Boddu, Mallikharjuna; Musti, Srinivas; Landers, Robert G.; Agarwai, Sanjeev; Liou, Frank W. (2001)
    This paper gives a brief description of the laser aided manufacturing process. Empirical models describing the process dynamics of the laser aided metal deposition process is developed based on some of the models found ...
  • On-line Monitoring of Epoxy Resin Cure using Infrared Spectroscopy 

    Fouchal, F.; G. Knight, J.A.; Dickens, P.; Garrington, N. (2001)
    The method described can be used to observe the cure in epoxy resins, it is a sensor to serve as an on line monitoring system of physical change of the resins during the curing time and the future behaviour of the part ...
  • Melt Pool Size Control in Thin-Walled and Bulky Parts via Process Maps 

    Vasinonta, Aditad; Beuth, Jack L.; Ong, Raymond (2001)
    Control of melt pool size is critical for maintaining consistent build conditions in the solid freeform fabrication of complex shapes. In this research, melt pool size in laser-based solid freeform fabrication processes ...
  • Rapid Prototyping using Fractal Geometry 

    Soo, S.C.; Yu, K.M. (2001)
    The paper proposes a method for rapid prototyping (RP) fractal geometry represented objects. RP technology has made possible the physical fabrication of solid freeform objects. However, contemporary CAD/CAM/RP systems ...
  • Voxel-based Modeling with Multi-resolution Wavelet Transform for Layered Manufacturing 

    Yim, Soonkyu; Gea, Hae Chang (2001)
    A voxel-based modeling system with multi-resolution for layered manufacturing is presented in this paper. When dealing with discretized data input, voxel-based modeling shows its clear advantages over the conventional ...
  • A Slicing Procedure for 5-Axis layered Manufacturing 

    Sundaram, R.; Choi, J. (2001)
    The 5-axis layered manufacturing technology facilitates fabrication of a part with overhanging features without the use of supports, thereby making a direct-to-use part from the layered manufacturing technology a reality. ...
  • Computer Integrated Adaptive Slicing and Vision Technologies for High Performance Rapid Prototyping System 

    Wang, Jia-Chang; Wang, Jun-Ming; Lin, Tsung Te; Jeng, Jeng-Ywan (2001)
    This paper discusses the application of adaptive slicing algorithm and computer vision technology on Rapid Prototyping (RP) system to enhance fabrication performance of Model Maker (MM) RP system. Usually, the layer number ...
  • Modeling of Selective Area Laser Deposition Vapor Infiltration (SALDVI) of Silicon Carbide 

    Dai, K.; Crocker, J.; Shaw, L.; Marcus, H. (2001)
    Selective Area Laser Deposition Vapor Infiltration (SALDVI) is a developing solid freeform fabrication (SFF) technique in which porous layers of powder are densified by infiltrating the pore spaces with solid material ...
  • Finite Element Structural Analysis of Prosthesis Sockets for Below-the-Knee Amputees Manufactured Using SLS 

    Faustini, Mario; Lokhande, Mahendra; Crawford, Richard; Rogers, William; Gitter, Andrew; Bosker, Gordon (2001)
    A very attractive application of Solid Freeform Fabrication is manufacture of prosthesis sockets for below-the-knee amputees. The custom geometric design required is very compatible with SFF techniques. The present work ...

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