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I've used 1/2 and 1.0 mil Kapton many years ago. I am having a hard time finding both 5 and 10 mil Kapton. I'm looking for small quantities -- i.e. 12 in x 10 ft roll. Somebody told me other companies than DuPont now make Kapton. Has the 30 year patent expired? -- ============================================================================= ______ /_____/\ /_____\\ \ Dennis J. Mihora /_____\ \\ / FM Analysts, Inc. /Catalyst Dev. /_____/ \/ / / 5236 Plaza Aleman m/s TG3 /_____/ / \//\ Santa Barbara, California 93111-2505 \_____\//\ / / Phone 805-967-5992 | FAX 805-967-5992 \_____/ / /\ / Email: fmadm @ rain.org \_____/ \\ \ dmihora @ asme.org \_____\ \\ ===================================== \_____\/ Good to be alive TrueGrid =============================================================================Return to Top
weshound@ix.netcom.com wrote: >Hi, > I am currently a senior in high school and I want to pursure a carreer >in mechanical engineering. I have noticed that some colleges offer a >program in >Mechanical Engineering and some offer a program in Mechanical >Engineering Technology. My question is what is the difference and the >drawbacks of one from the other. I have heard that the Technology >program is less math and more geared towards lab work than office work. >Can someone help me out? Thx I would opt to go through the classic 'Bachelor of Science Degree'. When you say I am an engineer, everyone knows. You do not want to spend the rest of your life explaining your title. In Canada there are engineers and technologists. There is a major difference in their education. The more theoretical requirements of the engineering degree will prepare you to take on any challenge in your life if you want to pursue a 'technical' carreer. Best of luck.Return to Top
POSTGRADUATE RESEARCH SCHOLARSHIP NECK INJURY BIOMECHANICS Department of Mechanical and Mechatronic Engineering University of Sydney A postgraduate scholarship (PhD) is available for 3 years in the area of neck injury biomechanics. The research project will include engineering design and testing of an improved crash test dummy neck, computer modelling of the design, and an investigation of the design aspects of vehicle head restraints which affect neck injury in motor vehicle accidents. The scholarship is being funded by an Australian Research Council Postgraduate Award (Industry), General Motors Holden Automotive, and the NSW Road and Traffic Authority. The stipend will be approximately A$20,000 (tax free) and is available starting February 1 1997. Applicants should have a bachelors degree in mechanical or biomedical engineering with honours, or equivalent and must be Australian citizens or permanent residents. Further information is available from: Dr Lynne Bilston Department of Mechanical and Mechatronic Engineering Building J07, University of Sydney, NSW, 2006 AUSTRALIA Tel (02) 9351-2344 Fax (02) 9351-7060 email: bilston@tiny.me.su.oz.au Applications should include a curriculum vitae, a certified copy of your undergraduate transcript, a description of your research interests, and confirmation of Australian citizenship or permanent resident status. They should be sent to Dr Bilston at the above address. Closing date: January 31st 1997. __________________________________________________________________________ Lynne E. Bilston, PhD Department of Mechanical and Mechatronic Engineering Tel (02) 351-2344 Room 311, Building J07 Fax (02) 351-7060 University of Sydney, N.S.W., 2006 bilston@tiny.me.su.oz.au AUSTRALIA http://www.me.su.oz.au/staff/bilston.html __________________________________________________________________________Return to Top
Manish Deshpande wrote: > > Hi... > > Is there a way of finding a list of references that cite a particular > author or a particular paper - even if its only journal articles ? More > importantly is there an online way of doing it ? > > Thanks... > > Manish > > manish@memcad.com May be one in www.ovid.unilinc.edu.au hope it can help.Return to Top
CHAOS THEORY CONSULTANT WANTED LOOKING FORF A CHAOS THEORY CONSULTED TO CRITIQUE A PAPER ON A MOTOR DRIVEN PENDULUM. FEE NEGOTIABLE. CONTACT: RGRUBER@CCNET.COMReturn to Top
Go buy the 1/5/97 Sunday Los Angeles Times. Every large aerospace employer has full page (at least) advertisements looking for engineers. Some of the jobs are in Los Angeles but a lot of them are not (e.g., Lockheed hiring for employment in Georgia). Good luck! pauleni1@ix.netcom.com(Paul Ennin M.D.) wrote: >Hello all I am a new suscriber to your news group. I am a new engineer >and I am looking for a job. >Can anyone help. >In NY area especially!!!Return to Top
ANNOUNCEMENT FOR International Workshop on Modelling of Metal Powder Forming Processes http://www-gpm2.grenet.fr/news/pm_mod/ Grenoble, France 21 - 23 July 1997 This meeting will focus on the numerical modelling of metal powder forming via cold and hot compaction. It is intended to conclude a three-year International Programme which was formed originally at PM' 94 in Paris to evaluate the procedures and facilities involved in both modelling and experimentation of selected benchmark problems. Emphasis will be laid on the processes and materials considered in this programme, which deals with die compaction of iron powders and hot isostatic pressing of stainless steel powder. However others processes - such as free sintering, sinter-forging, etc. - and other materials, including ceramics, are also relevant. More informations on this workshop on http://www-gpm2.grenet.fr/news/pm_mod/Return to Top
********************************************* ***** Two Day Short Course for Industry ***** "A Practical Approach to Process Control" March 17 & 18, 1997 June 23 & 24, 1997 The University of Connecticut at Storrs by Prof. Doug Cooper ******************************************** This course has been offered many times over the last five years. Written comments by past participants include: - "I learned concepts which will help me greatly in my job" - "[Doug Cooper] is very knowledgeable...[His] teaching style stimulated my interest" - "The software was easy - and even fun - to use" - "I will make sure my co-workers attend the next course" Course Description ******************** This two day course gives you intensive hands-on training in modern methods and practices of automatic process control. Rather than lectures filled with complicated mathematics and puzzling plots, this course puts you in front of a computer where you face real-world control challenges. At the computer, you enter a simulated environment of a control room in a production facility. There, you run experiments on several processes, animated in color- graphic display, to obtain measurement data. You will learn proven methods for modeling this data for controller design and tuning. And you will follow through and implement and test your controller designs to gain hands- on experience in set point tracking and disturbance rejection. In fact, you will "test drive" each of the concepts discussed in the short course using the software. Who Will Benefit ******************** Operators and Technicians who use automatic control systems in their jobs. You will learn the basics of process control and gain exposure to advanced topics. Engineers who have production, design or research responsibility. You will learn modern methods for assessing control loop capability and for designing and tuning control loops from basic applications up through advanced strategies. Managers and Supervisors who supervise engineer, operator, and technician practitioners. You will strengthen your background in this important subject, thus improving your companies competitiveness and profitability. 2-Day Outline ******************** Day 1: - Fundamentals of Process Dynamics and Control - Fitting Process Models to Plant Data - Using Process Models for Controller Tuning - Tuning of P-Only, PI, PD, and PID Controllers Day 2: - Tuning PID Controllers in Industrial Applications - Cascade Control Design and Implementation - Feed Forward and Decoupling Control - Parameter Scheduling and Adaptive Control Short Course Software ******************** The computer software used in this short course is the Process Identification and Control Loop Explorer System. This software is well-proven and time tested. In fact, it is currently being used in more than 100 college-level process control courses around the world. The software offers a virtual world of processes and controllers for hands-on experimentation and study. Processes available to demonstrate short course concepts include: level control of a tank, temperature control of a heat exchanger, concentration control of a reactor and purity control of a distillation column. About the Instructor ******************** Prof. Doug Cooper of the Chemical Engineering Department at the University of Connecticut, has been teaching and directing research in control for fifteen years. The goal of his research is the development of advanced control systems which are easy for practitioners to use. Recent efforts have focused on how neural networks can contribute to this goal. Industrial and laboratory applications he has studied include fluidized bed incineration, injection molding, distillation, heat exchange and surge tank control. Doug's past experience as an industrial practitioner sparked his interest in teaching process control from a real world perspective. This interest ultimately led him to author the popular Picles and Digest process control software. Price ******************** The registration fee for the short course is $795 and includes a workbook with over 150 pages of course material. For More Information, Contact ******************** Prof. Doug Cooper Chemical Engineering Dept., U-222 University of Connecticut Storrs CT 06269-3222 Phone: (860) 486-4092 Fax: (860) 486-2959 E-mail: cooper@eng2.uconn.edu ***************************************************** News Group Registration Form "A Practical Approach to Process Control" Held at the Beautiful University of Connecticut Storrs Campus 8:00 a.m.- 4:00 p.m. Check One: ____March 17 & 18, 1997 ____June 23 & 24, 1997 Name:___________________________________________ Title:_____________________________________________ Organization Name:__________________________________________ Address:____________________________________________________ City:_________________State:_____________Zip:_______________ Business Phone:______________________________________ Business Fax:________________________________________ E-Mail:______________________________________________ Mail completed form and check or purchase order for $795, payable to The UNIVERSITY OF CONNECTICUT, to: Prof. Doug Cooper Chemical Engineering Dept. University of Connecticut, U-222 Storrs CT 06269-3222 Phone: (860) 486-4092 Fax: (860) 486-2959 E-mail: cooper@eng2.uconn.eduReturn to Top
CGN s North Carolina operations has the following opportunity available: Positions (1): Project Engineer-Hydraulic Systems Location: Central North Carolina Description: Responsible for the development and analysis of reliability and cost saving ideas to improve a vehicle hydraulic system. Will travel to foreign and domestic plants, dealerships, and customer job sites to solve design problems or to field test locations to evaluate a hydraulic system improvements. Also responsible for resolving manufacturing problems and working with various teams. Emphasis is providing new innovative design concepts and any other assignments that improves the hydraulic system. Skills and Educational Requirements: Seeking candidates with 3-5 years of industry experience, preferably with hydraulic engineering experience. Need to have a good mechanical aptitude and Pro/E experience. CGN & Associates, Inc. is a provider of Strategic Technology Resources and Products. We offer full-time positions with excellent compensation and benefits. For more information please visit our web site at www.cgn.org. For Immediate Consideration, Please Submit Resumes To: CGN & Associates, Inc. Attn: Technical Recruiter 125 Edinburgh South, Suite 220 Cary, NC 27511 919-462-0434 voice 919-462-0133 faxReturn to Top
In article <01bbff19$baed4dc0$1160a4c6@stripe.nbnet.nb.ca>, stripe@nbnet.nb.ca says... > >I'm trying to design or find a product that will run a air compressor off >a disel engine. The problem is I have no control over the rpms of the >engine, which ranges from 600 to 2800 rpms. The rpms required for the >compressor will be either 1800 or 2400 > > >The application is for a highway line striping truck. The engine is the >power for the truck. The compressor is to run of the front of the engine. >The compressor is required for the spray painting equipment. Since the >striping truck is moving during the operate the engine rpm will move up and >down. What I feel I'm looking for is a type of transmission. > > How about using a DC powered air compressor, and run it off a regulated power supply from a generator? Depending on load you could use existing electrical system or add second generator to run in PTO position. -- M.C. (Mike) Albrecht koalmnr@sprynet.com KoalMnr@aol.com http://www.hooked.net/users/koalmnr EARTH FIRST! We will mine the rest of the planets later!Return to Top
CGN s North Carolina operations has the following opportunity available: Positions (1): Project Engineer-Supplier Quality Location: Central North Carolina Description: Participation in CPPD activities, supplier quality certification, validating supplier manufacturing processes, and investigating potential cost reduction opportunities for production material. Skills and Educational Requirements: Seeking candidates with 3-5 years of industry experience, preferably with prior manufacturing experience in hydraulics. Aptitude to evaluate supplier manufacturing processes in areas of hydraulics and fabrication. Experience in light and/or heavy fabrication. BS/MS Engineering degree required. CGN & Associates, Inc. is a provider of Strategic Technology Resources and Products. We offer full-time positions with excellent compensation and benefits. For more information please visit our web site at www.cgn.org. For Immediate Consideration, Please Submit Resumes To: CGN & Associates, Inc. Attn: Technical Recruiter 125 Edinburgh South, Suite 220 Cary, NC 27511 919-462-0434 voice 919-462-0133 faxReturn to Top
CGN s North Carolina operations has the following opportunity available: Positions (1): Project Engineer Location: Central North Carolina Description: Powertrain System Design Skills and Educational Requirements: Seeking candidates with 2-5 years of industry experience. Geo Tolerancing and layout experience. Aptitude for mechanical controls. Must possess excellent communication and organizational skills. Experience with Pro/Engineer preferred. CGN & Associates, Inc. is a provider of Strategic Technology Resources and Products. We offer full-time positions with excellent compensation and benefits. For more information please visit our web site at www.cgn.org. For Immediate Consideration, Please Submit Resumes To: CGN & Associates, Inc. Attn: Technical Recruiter 125 Edinburgh South, Suite 220 Cary, NC 27511 919-462-0434 voice 919-462-0133 faxReturn to Top
Chris Rogers wrote: Yes an FEA newsgroup YES!Return to Top
First, I wrote: >:Check out www.lahey.com or call them at (702) 831-2500. Lahey might >:still sell their personal F77, but you can download a streamlined >:Essential Lahey Fortran 90 (Elf90) from their website, or they'll sell you >:an ed. package of it for $79 (I think). A lot of the old, bad stuff has >:been stripped out of Elf90, so it probably won't run F77 stuff. But don't >:take my word for it. Then In article <5b5vm1$vv8@netnews.upenn.edu>, george@mech.seas.upenn.edu ( George Jefferson ) writes: > >Is this true? I find it hard to believe that F90 isn't completely >backwards compatable with standard F77 as well as most >common extensions. If I cant use my old code I might as well >switch to C. > Gosh. I just try to help, and I end up doing more damage. :-( As I understand it, Lahey has at least two f90 products. The one I talked about (cheap/free Elf90) is intended for the educational market, and as such, it includes only those features required to support what is today considered good programming practice for new applications. It specifically does not have features thought to support bad habits. Their regular f90 presumably has the features required to make it viable in the real compiler market. But don't take my word for it. Check out their website. --------------------------------------------- Fred Klingener Brock Engineering PC, Roxbury CT klingener@aol.com ---------------------------------------------Return to Top
I need to be able to visually observe the flow patterns in an aqueous system. I was thinking of using a mixture like that used in some desk toys. thay have an opalescent solution in a tube and bubbles move through the tube when it's inverted. this has also been used as a cavitation probe for ultrasonic baths (Cole-Parmer 97-98 catalog, page 1249). does anyone know of a source or how it's prepared? thanks daReturn to Top
VENABLE@cemr.wvu.edu (Wallace Venable) wrote:Return to Top>I would agree that the Boards, NCEES, and NSPE have lobbied > to stengthen the registration requirements, but I have seen nothing that makes > me believe they have tried to make it harder to become registered, except for > attempts to bar "non-ABET" degree holders from attempting the exam. Many (not > most) science and technology degree holders CAN pass the exams if permitted to > try, and should be allowed to do so. > -- Wallace Venable, P.E. ----- Thank you, Wallace ... I am an ABET, BSEET graduate ... and passed the EIT on first attempt .. Why don't you go talk to the people on the board in SC, KY and TN? They still need convincing. -------------- M. H. Lyle, PE Don't_Spam_Me@I_Hate_Spam.com "Of course that's just my opinion, I could be wrong." Dennis Miller
I'm looking for a small compressor for hydrogen service, and wondered if anyone could recommend an appropriate unit. The parameters are fairly straightforward: inlet pressure: 0-1 psig inlet temperature: 70-100 degrees F. discharge pressure: 120 psig discharge temperature: doesn't matter; can be hot flow rate: 1-2 scfm What complicates this application is that the compressor will be skid-mounted, and the skid will be located on a rather bouncy, springy structure. We have had a diaphragm compressor made by PDC in this application, and it did not seem to be able to tolerate the vibration it itself induced in the structure: head bolts kept breaking, possibly due to vibration-induced loosening. (The PDC compressor worked fine on a solid base.) Perhaps a small reciprocating type of compressor would operate at higher rpm with less rotating mass? Alternatively, vibration isolation of the PDC unit might be the answer, but I'm uncertain as to how much that would help on a springy structure. Would appreciate e-mail versus newsgroup responses - my news feed is often spotty. Multitudinous TIA, John Leland jleland@peak.orgReturn to Top
Please assist if you have any experience in CCD recognition systems.Return to Top
:How about using a DC powered air compressor, and run it off a regulated :power supply from a generator? Depending on load you could use existing :electrical system or add second generator to run in PTO position. I'm guessing a line striping operation uses an awful lot of air.. ie. you would need an auxilaary alternator putting out something like 30Amp@240v three phase would be nice. Worth looking into though.Return to Top
Does anyone know of any reference material (books, periodicals, etc) on track drive systems, such as is used on tanks, tractors and cranes? Thanks, StanReturn to Top
I have the NBS Thermocouple tables in electronic form. If you would like a copy, just let me know by return mail. All the standard TC types are included. The tables were generated from the NBS polynomials. They are in ASCII comma separated valure (CSV) format. Rick Daniel Intelligent Instrumentation http://www.instrument.comReturn to Top
: :Regularly it use I. bzzt! IReturn to Topit use regularly :-)
Hello I’m working on a mechanical FEM model of the head and brain for analysis of impact to the head. Therefor I’m interested in the mechanical properties of head tissues and especially of the brain tissues ,which are not well defined in published literature. I am familiar with the work of: 1) L. Z. Shuck & S. H. Advani: "Rheological Response ot Human Brain Tissue in Shear" (1972) 2) J. E. Galford & J. H. McElhany: "A Viscoelastic study of scalp, brain and dura" (1970) 3) J. H. McElhaney and co-workers: "Dynamic Characteristics of the tissues of the head" (1973) I’m looking for some new test result (preferably using Ultrasound equipment). I’m also familiar with the recently published review in Med. & Bio. Eng. & Comp. Of September 1996: "Finite-element models of the human head", by L. Voo, S. Kumaresan and co-workers. In view of all the above, I would be grateful to get any other source of mechanical properties of brain and head tissues, especially new ones and even of non impact related. Actually I will be happy to get any direction to experimental results on this matter. Thanks in advance for the help. ArikReturn to Top
Hi, I am searching for newsgroups on Maintenance, Rotating Equipment, Condition Monitoring and Predictive Maintenance. If you know where I should take a look, please send me a message. Thanks, BerReturn to Top