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Expert in Machine Tools, Semiconductor Process Equipment, Machine Dynamics, Metrology
Available for your Consulting and Expert Witness Needs
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| Summary of Expertise: |
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Primary Expertise Areas:
(links show more experts in each area)
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Expertise Description: |
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finite element analysis expert |
In his research on structural dynamics, Expert employs the techniques of finite element analysis extensively. He regularly uses ANSYS, NASTRAN, Pro/Engineer, and SDRC Master Series in analyzing a variety of static, transient, thermal, and eigenvalue problems. Examples of his recent work include the design of components used in machine tools, photolithography stages, and CT scanners. Most of this work emphasizes the efficient use of material to reduce cost and manufacturing time while maximizing static and dynamic stiffness. Additional work has been done to predict the damping available from viscoelastically-damped structures. |
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chatter expert |
Expert's government- and industry-sponsored work in regenerative chatter has led to new models in machine tools, including generalization of the classic orthogonal cutting model to other tool geometries. Exhaustive experimental investigation has been used to verify analytical models. His ongoing research is currently expanding the understanding of chatter in grinding, which has received much less attention from past research. At present, Expert is heavily involved with machine tool builders seeking to develop machine designs capable of heavy cutting and grinding without experiencing chatter. His recent projects include machining centers, cylindrical and centerless grinders, and wafer polishing machines. |
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machine vibration expert |
Understanding that machine vibration arises from a variety of sources, Expert has studied rotating imbalance, high-speed actuation, pump vibration, and others. His experience in machine vibration also includes measuring and interpreting these vibrations. He has measured particular vibration characteristics with sensors such as accelerometers and capacitance gages. He has designed solutions such as damping treatments, structural reinforcement, and proper balancing. |
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modal analysis expert |
Modal analysis is a power method of identifying the characteristics of a structure. The results of an analytical (FEA) or experimental modal analysis may be used to improve the dynamic characteristics of a structural design. Expert's experience with modal analysis has been primarily aimed at identifying the key dynamic characteristics of a particular structure and working towards improvement. Examples of his work include the redesign of machine tool structures with increased damping and stiffness, understanding the structural problems of the individual semiconductor process equipment, and measuring the characteristics of different prototypes to create a better final design.
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machine vibration analysis expert |
Modal analysis is a power method of identifying the characteristics of a structure. The results of an analytical (FEA) or experimental modal analysis may be used to improve the dynamic characteristics of a structural design. Expert's experience with modal analysis has been primarily aimed at identifying the key dynamic characteristics of a particular structure and working towards improvement. Examples of his work include the redesign of machine tool structures with increased damping and stiffness, understanding the structural problems of the individual semiconductor process equipment, and measuring the characteristics of different prototypes to create a better final design.
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| Show Secondary and Basic Areas of Expertise |
Localities:
Expert may consult nationally and internationally, and is also local to the following cities: Lancaster, Pennsylvania; and Frederick, Maryland.
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Degree |
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Subject |
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Institution |
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1994
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Ph.D.
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Mechanical Engineering
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Massachusetts Institute ofTechnology
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1992
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M.S.
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Mechanical Engineering
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Massachusetts Institute ofTechnology
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1990
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B.S.
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Mechanical Engineering
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University of Illinois-Urbana-Champaign
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| Years |
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Department |
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Title |
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1994 to
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(Undisclosed University)
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Mechanical Engineering
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Associate Professor
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1990 to
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Independent Engineering Consultant
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1992 to 1994
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Massachusetts Institute of Technology
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Precision Engineering Research Center
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Research Assistant
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1990 to 1992
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Massachusetts Institute of Technology
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Martin Center for Engineering Design
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Research Assistant
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Associations/Societies
Expert is a member of the American Society of Precision Engineers and the American Society of Mechanical Engineers.
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Awards/Recognition
The recipient of a variety of honors, Expert won a R&D 100 Award, MIT's Carl T. Sontheimer Award, the National Tool Builders Association Scholarship, the ASME Scholarship, the General Motors Scholarship, and the A.G. Friedrich Memorial Award.
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Publications and Patents
He holds a U.S. patent for shear damping of machine tool structures.
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Expert's consulting experience involves dozens of companies in the semiconductor and machine tool industries. Most of his engagements lead to the solution of a vibration-related problem or a structural dynamics issue. The solutions have led to numerous designs that are now in production. A typical scenario involves collecting vibration data followed by analyzing the problem and designing a solution in cooperation with the machine's builder.
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As a member of the Intota consultant network,
Expert is a specialist who provides technical consulting to corporate, legal and government clients. Expert provides professional consulting as a Machine Tools Consultant, Semiconductor Process Equipment Consultant, Machine Dynamics Consultant, Metrology Consultant. Expert may consult as an independent consultant or as a member of a consultancy, consulting company,
or consulting firm. Consultants service will be covered by a consulting contract.
Ask an expert initial screening questions and ask the experts services particulars, by simply submitting
an expert request.
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Intota experts can serve as expert witnesses or litigation consultants offering expert testimony, expert advice, litigation support,
forensic services, and related expert witness services. Expert can serve as an expert witness or litigation consultant in intellectual property (patent, trademark, trade secret, copyright),
product liability, and insurance matters. Expert may provide forensic expert witness testimony, litigation consulting services, forensic investigation,
and forensic testing if appropriate in litigation areas as a Machine Tools Expert Witness, Semiconductor Process Equipment Expert Witness, Machine Dynamics Expert Witness, Metrology Expert Witness.
Intota provides attorneys and legal professionals the opportunity to ask an expert initial screening questions and
ask the experts services particulars by submitting an expert request.
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Expert serves as a resource to
Intota Market Research Services
for customized marketing research in industries or areas related to
Machine Tools, Semiconductor Process Equipment, Machine Dynamics, Metrology.
Experts are an invaluable source of overall industry insight as well as insight into specific companies and firms for
custom business to business (b2b) and industrial market research. Intota uses analyst and
consultant resources from Guideline whose Research Directors manage the research and analysis of the qualitative
and quantitative data as well as report writing for the custom studies. The methods and tools
used by Intota market research combine the insights of technical experts and industry insiders with secondary
research to provide the custom b2b and industrial market research you need.
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| Additional Skills and Services: |
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Training/Seminars
Expert has given seminars in a variety of fields related to machine tools and semiconductor process equipment dynamics. Titles include "Methods for Achieving Damping in Machine Tools and Components," "Innovations in Improving Machine Tool Performance," "Machine Tool Structural Design," and Design for Damping in Precision Machines."
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Expertise
