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Teoría de la Elasticidad Lineal - Parte 9

Marcelo Valderrey
in Theory
73 1 Intermediate
Las deformaciones son análogas a las tensiones en cuanto a su carácter direccional. En este apartado veremos cómo obtener la deformación en un punto según una dirección dada por el versor "n".
hooke desplazamientos deformaciones tensiones

Under the hood - part 02: Read me first

Marcelo Valderrey
in Theory
71 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

An LV-Haack cone aeroshell C=1/3 step by step

Marcelo Valderrey
in Theory
71 0 Intermediate
Generating the LV-Haack curve C=1/3 step-by-step with equations in SolidWORKS.
unr fceia smm nasa challenge

Teoría de la Elasticidad Lineal - parte 1

Marcelo Valderrey
in Theory
71 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

Máquinas y Resistencia de Materiales - Parte 02

Marcelo Valderrey
in Theory
71 3 Beginner
Continuando con la charla previa... y tratando de comprender claramente los tres resultados que originan la teoría de Resistencia de Materiales (uno puramente teórico y dos derivados de ensayos físicos).
resistencia de materiales maquinas

Calor y métodos numéricos - Parte 6

Marcelo Valderrey
in Theory
71 2 Beginner
Es buen momento para empezar a experimentar con CADD+CAE
intuicion y conceptualizacion

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

Cross & Dot Product Validated in 3D CAD

Kelly Harward
in Theory
39 12 Beginner
Steps in Validating M = r X F and Maxis = U ●{​r X F}​ using 3D CAD (SolidWorks) Using problem 3-43 and 3-44 from Hibbeler Statics & Mechanics of Materials 5th Edition.
statics mechanics vector moments dot product cross

Axial Deformation: Manual Calculations vs SolidWorks Simulation

Kelly Harward
in Engineering Fundamentals
37 28 Beginner
Axial Deformation manual calculation vs CAD simulation of aluminum tapered strap
tapered deformation axial

DIN 580

Ivo Jardim
in Standards
33 1 Expert
Suspension Bolt
bolt 580 din

How to Prepare Your 3D Model for Manufacture

Russell Everard
in Process
32 1 Expert
Using this ladies bike model found in the thousands of models available on GrabCAD I have made a step-by-step guide on how to break down your top level assembly for the workshop or for outsourcing.
SOLIDWORKS cutting laser fabrication cnc fixings assemblies manufacture solidworks

Involute profile in splines (1)

Carlos Soler
in Theory
30 0 Beginner
This is a short description of how involute profiles are used in splines like DIN 5480, DIN 5482, ISO 4256, and ANSI 92.1
4156 iso 5482 5480 din serration spline involute

Gear Basics Part 2

lawrie
in Theory
29 2 Beginner
We will start off this second gear design tutorial by looking at a few design factors we need to consider when designing a serviceable gear train.

Designing a Hirth Spline

Tjerk de Graaff
in Theory
28 10 Beginner
Solidworks + Excel instruction on how to design a Hirth Spline. Background on Hirth Splines: https://en.wikipedia.org/wiki/Hirth_joint The basic idea of a Hirth spline / Hirth Joint is that the whole geometry is defined from a combination of a single reference point and a grinding/cutting geometry. Two Hirth splines with the same basic tooth geometry will match to form a secure joint that can transfer torque and allows for accurate alignment of parts. Hirth splines and joints are often used in turbomachinery to accurately align various shaft parts and transfer torque.
design excel solidworks transfer torque joint spine hirth

Fundamentals of the theory of industrial dust protection with bag filters

ALance
in Theory
25 0 Beginner
The oldest cleaning method for bag filters (still used in mobile filters these days) consists of motorised or manual jolting equipment. With automatic regeneration, a motor is started, either at certain intervals or when reaching a maximum filter resistance. This oscillates the filter element. During the resulting movement, the deposited dust cake detaches from the filter surface and drops down into a dust collector, which is usually cleaned via dust dischargers. Mechanical cleaning is performed after interruption of the filtration. The filter bags are stressed mechanically through shaking during the cleaning operation and therefore have relatively short service lives. The periodic reversal of the flow direction (backwashing filter) is a much gentler cleaning method. Here, the filter system features several separate chambers which are cleaned individually. A combination of both cleaning methods was also often realised. For the last decades, however, the jet pulse method has become the standard cleaning method. The filter media are regenerated through cyclic, intense blasts of compressed air. This briefly causes overpressure in the filter bag during cleaning. The filter bags are briefly inflated, the flow direction is reversed and the filter cake detached (fig. 1). A supporting cage gives the bag the required stability during the filtration phase. Among other things, the cleaning cycles depend on the filter load (volume flow per filter surface and unit of time), the gas density, the raw gas charge and the particle attributes. The regeneration can be controlled in time intervals or via defined differential filter pressures.
industrial dust filter bag
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