Latest threads in ⚙ Mechanical Engineeringshow only best voted threads
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Proto-typing or Production, top quality product, at small shop pricing.
We here at "Smart Manufacturing" located here in Stoughton, Massachusetts have been providing CNC Machine shop services over 35 years now. Coast to coast... Mechanical Engineers, Commercial...
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17 years ago
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rotational motion to oscillatory linear motion
Building a project and I need some ideas for converting the rotation of a DC motor into oscillating linear motion (i.e. a back and forth motion). To be specific I need about 2-3mm of travel in the...
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17 years ago
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In search of UMAT Drucker-Prager or Mohr-Coloumb for ABAQUS
Dear specialists, as part of another ABAQUS UMAT, I am looking for the Fortran coding of a 3D Mohr Coulomb Plasticity or alternatively for a 3D Drucker Prager Criterion. I want to implement one of...
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17 years ago
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ADV: GeoTools 7 - Complete productivity for the AutoCAD user
G E O T O O L S 7.13 C O M M A N D S S N A P S H O T -------------------------------------------------------------------------------------------- GeoTools is an add-on program for AutoCAD...
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17 years ago
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history of refrigeration?
I was wondering about the history of refrigeration. Anybody know the who/when/where/how of its invention? Was it devised following Clausius and his theories, or did people figure it out empirically...
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17 years ago
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drilling problem question HELP! : )
Hi all, I am trying to drill 7/32 holes for pop rivets in 20 ball cap tops for fence post for our new wrought iron fence. Thye posts are 2"x2" 14 guage steel, the ball caps have a box bottom that fit...
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17 years ago
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Second moments of area/inertia for complex shapes
Hello, I am working on my dissertation for aerospace engineering. I am designing a pitch control system to reduce vibration loads in wind turbine structures. I am currently trying to produce a...
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17 years ago
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Swinging In A Swing w/o Touching the Ground
How do you add energy to the system without touching anything? It has something to do with conservation of angular momentum or linear momentum of a two body system. Bret Cahill
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17 years ago
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drawing gears in 3D modeling program like (solid works)
I want help about drawing gears and animate them with solid works. If you have any information about this please contact me. I will be very happy if you can send me the ratios. Thanks for your...
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17 years ago
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required resistance welding
I req. resistance welding parameters to weld a 4mm thickness plate
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17 years ago
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Metalurgy books
Does anyone have a good handle on the best metalurgy books? Of particular interest are the various common alloys of each metal and their properties. Elliot
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17 years ago
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System head curve
I'm currently trying to specify some centrifugal pumps in an application where the pumps will be pumping to a location where the elevation is below the pump discharge elevation. There are two...
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17 years ago
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how a gearbox work
I just need to know..as simple as possible..how exactly a gearbox works...I tried to understand that but the prob is that evey sketch is ver complicated..and all waht im asked for at my university is...
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17 years ago
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URGENT: Monte Carlo
I need info about Monte Carlo method used for determination of measurement uncertainty. (procedure is to be done in Mathcad) Maybe some books (free to download) to recommend or sites? Or just site...
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17 years ago
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Double Integration. Acceleration to Position
Dear All, I have some data from a force plate (a person jumping up and down 10times...so the data has peaks when the person is pushing off of the force plate and the forceplate reads 0 when the person...
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17 years ago
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