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Teoría de la Elasticidad Lineal - Parte 17

Marcelo Valderrey
in Theory
60 1 Intermediate
En este cuarto capítulo completaremos todas las ideas desarrolladas previamente, procediendo a reunir las ecuaciones, darles formatos convenientes y resolverlas por distintos métodos analíticos (de gran valor teórico pero limitados en la práctica a casos muy sencillos) y métodos numéricos (a los que daremos una introducción conceptual con ejemplos, destacando que su estudio merece materiales específicos).
hooke desplazamientos deformaciones tensiones

Teoría de la Elasticidad Lineal - Parte 3

Marcelo Valderrey
in Theory
60 1 Intermediate
El primer concepto importante a definir en la TEL es relativo a las tensiones en un sólido elástico. Dado que se trata de un fenómeno "direccional" implica ideas no tan intuitivas. Por ejemplo, en un mismo punto de una pieza cualquiera, el material puede estar sometido a tracción, compresión o corte según la dirección en la cual se observe el fenómeno. Es decir que no puede afirmarse, por ejemplo, que un material está traccionado, aunque se trate de un caso obvio de una barra sometida a tracción. Cualquiera de sus puntos puede verse en otras direcciones en las cuales "la misma porción de material" está sometida a otros esfuerzos!
hooke desplazamientos deformaciones tensiones

Teoría de la Elasticidad Lineal - Parte 5

Marcelo Valderrey
in Theory
61 1 Intermediate
De igual modo que en el equilibrio en volumen, es posible ahora tomar una porción de la superficie del sólido elástico y plantear su equilibrio de fuerzas y momentos, de los cuales resultarán las llamadas Ecuaciones de Equilibrio en Contorno (notar que, a diferencia de antes, ahora no son ecuaciones diferenciales).
hooke desplazamientos deformaciones tensiones

Under the hood - part 02: Read me first

Marcelo Valderrey
in Theory
59 0 Intermediate
I propose a friendly learning method, based on successive attempts to understand a text statement, which is clarified by asking questions about its different parts.
numerical simulation fem

Teoría de la Elasticidad Lineal - parte 1

Marcelo Valderrey
in Theory
59 3 Intermediate
Si utilizas tu sistema CADD-CAE para calcular tensiones y deformaciones en las piezas, pero en realidad no estás seguro de qué significan las Tensiones de Von Mises, las Direcciones y Tensiones Principales, los Invariantes de Tensión o Deformación, y muchas otras cosas que aparecen en la interfaz de tu sistema, te recomiendo revisar este tutorial que contiene la teoría básica que permite comprender lo que hay detrás de "los botones que presionas y las opciones que aceptas por defecto".
hooke desplazamientos deformaciones tensiones

I Built a Military Robot

Engineering Juice
in Process
46 6 Intermediate
Mobile, military robot optimized for use in desert environments which can be controlled remotely or autonomously and can collect/ stream video to a VR headset via its front mounted camera. The method of movement is a continuous track, created using steel roller chain connected by fasteners with 3D printed links. These loops sit on a custom designed drive sprocket and idler sprocket with 4 shock absorber loaded roller pins that act as the suspension system. The drive motors are powered by '18650' batteries, directed by a raspberry pi 4 and connected to a motor controller. For connectivity, a mobile device can connect to the pi's external antenna as it is a WiFi access point. From here, directions can be sent to the robot from the mobile device using the Node Red GUI and additionally, the entirety of the main raspberry pi computer can be accessed for the use of sending custom commands for autonomous movement.
Fusion 360 printed 3d rc programming pi raspberry electronics 360 fusion robot robotics

Excel Calculator for Motor & Gear Box Selection Conveyor Calculations

Shafe Mohammad
in Theory
22 4 Intermediate
In this video you will learn how to select motor & gear Box for a Chain Conveyor. Also a excel calculator is provided for understanding. Sheet will be as below link http://bit.ly/2LtKWe3
rpm calculate how desig conveyor selection box gear

Flexure Stress: Manual vs CAD Simulation

Kelly Harward
in Theory
19 18 Intermediate
Flexure Stress in a Function Defined Cross-section Cantilever Manual Calculations vs. Simulation in SolidWorks
defined function beam cantilever sress flexure simulation fea

How to design Complete Robot using Voice Assistant like JARVIS in Fusion 360

Rugved Chavan
in Process
17 1 Intermediate
4-wheeled Robot Design Frame is 3D printable. Components - 1. Raspberry pi 4 2. Sony WebCam 3. Normal 3.5 mm jack Speaker 4. Custom Frame 5. MI 20000 mAh powerbank 6. 100 RPM Dual Shaft BO Motor - Straight with wheels Custom Voice Assistance code is running in background. Voice assistance code is connected with database which is having values like quantity and dimensions of components. Mail me for Jarvis source code. Like this video... 🤘
Fusion 360 automation electronics robots arduino engineering technology robot robotics

Why is the reason of shape of railway profile

Carlos Soler
in Engineering Fundamentals
13 3 Intermediate
Because of a question of MAB ( Mehmet ). i will try to explain some reason of railway profile shape
shape track trai railway

Tolerances in DIN 5480 splines

Carlos Soler
in Standards
10 1 Intermediate
In this tutorial, I will address some topics regarding the flank tolerances in the standard DIN 5480 splines. For an Asking of https://grabcad.com/erick.mireles-2 about the meaning of 8f in an expression like DIN 5480 W 120 x 3 x 38 x 8f
din 5480 centering tolerances fit side din 5480 spline

Designing Axial Static O-ring Grooves to "Industry Standards"

Thomas Larson
in Standards
9 4 Intermediate
This Covers 2/3 of everything I know about designing O-ring seals. I frequently used these while designing production tools. Most the design is based on the standards that are put forth by SAE. Personally, I be going over the reiteration by Parker since it's what I learned. Other references include the Apple Rubble Product and Trelleborg for their proprietary O-ring Gland Calculators, and the help they gave me in building my own. Links to their websites are found in Section 5. All design in this lesson is for "Static Axial Design under normal conditions”. Disclaimer: while I have completed a BS in Mechanical Engineering and have passed the FE, I am not a PE. While these calculations are standard, published, and I personally have used these practices to design multiple high-pressure tools, I cannot guarantee that they a perfect. If you are in doubt, in a hazardous environment, or using in an application that could cause harm to life, I would suggest double checking with other sources (engineering) and/or extensive testing. Also, my experience is in Oil and gas, in the continental USA. You may notice my practices being bias to API standards and in English Units, I suggest you take all I say with a grain of salt. Lesson Plan: Step 1: Background and Definitions Step 2: Finding a Published O-ring Gland and incorporating it into a design. Step 3: Designing Custom Groove using the Standards Step 4: Other Design Recommendations and Drafting Example Step 5: References and Useful links A copy of the files can be found at: https://grabcad.com/library/how-to-design-an-o-ring-gland-to-industry-standards-parts-and-photos-1
seals components calculators cals design o-rings pressure

Static Structural Analysis

An Engineer
in Process
9 3 Intermediate
The static analysis aims to analyze the stress results, deformation results, shear-moment diagram, and reaction force results. in this tutorial, you will learn how to do static analyses for assembled models. It's an excellent tutorial for beginners in Ansys workbench. Statik analizin amacı, gerilme sonuçlarını, deformasyon sonuçlarını kesme-moment diyagramını ve reaksiyon kuvveti sonuçlarını analiz etmektir. Bu eğitimde, montajı yapılmış bir parça için statik analizin nasıl yapıldığını öğreneceksiniz. Ansys tezgahında yeni başlayanlar için çok iyi bir eğitim.
ansys static structural analysis simulation

Convert Navisworks file to STEP. file?

Tibor
in Process
8 0 Intermediate
https://grabcad.com/library/navisworks-file-nwd-to-step-1 Follow easy steps to get STEP. file from NWD. file.
convert navisworks step export

Helical gear calculation and manufacturing

Rodolfo López
in Process
7 0 Intermediate
Obtaining data from a sample helical gear. Calculation for the manufacture of helical gear
fabricacion calculo gear helical
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