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Second round of the Novel Cryogenic Recuperator Design
Marcelo Valderrey
in
Theory
12
8
Expert
We took as a reference the set of solutions achieved in the NASA CHALLENGE: Novel Recuperator Design for Cryogenic Fluid Management System, and proceeded to enhance the solutions we had proposed. In the M25 Chair - Synthesis of Mechanisms and Machines, we recognize this task as: Divergent-Convergent Creative Postprocessing.
unr
smm
cryogenic recuperator
nasa
📘 Overview of ASME Y14 Series Drawing Standards
Aygün Karaköse
in
Theory
10
0
Expert
The ASME Y14 series provides a unified set of standards for technical drawings used in engineering and manufacturing. These standards ensure consistency, clarity, and accuracy from design to production. Below is a summary of the most essential ASME Y14 standards every engineer and CAD designer should know:
technical drawing standards
gdt
geometric dimensioning and tolerancing
asme y145
Understanding MMC and LMC in ASME Y14.5: A Detailed Guide
Aygün Karaköse
in
Theory
5
0
Expert
In geometric dimensioning and tolerancing (GD&T), MMC (Maximum Material Condition) and LMC (Least Material Condition) are fundamental concepts that help ensure proper part fit and function during manufacturing and assembly. These concepts link the physical size of a feature with its allowable geometric tolerance, enabling more flexible yet controlled manufacturing.
geometric dimensioning and tolerancing
technical drawing standards
engineering design
gdt
asme y145
Microstructural and Mechanical Changes in the Weld Metal, Heat-Affected Zone (HAZ), and Fusion Boundary
Aygün Karaköse
in
Theory
3
0
Intermediate
Welding is a widely used process in manufacturing, construction, and heavy industry. During welding, the material is exposed to localized high temperatures that significantly affect not only the weld metal but also the surrounding regions. These include the Weld Metal, the Heat-Affected Zone (HAZ), and the Base Metal. Each of these zones undergoes different thermal cycles and consequently exhibits different microstructural transformations, mechanical properties, and residual stresses. Understanding these transformations is crucial for ensuring the integrity and performance of welded components.
heat
haz
wewlding
weldingengineer
How to Calculate Element Percentage in Weld Bead Using Dilution Formula
Aygün Karaköse
in
Theory
3
0
Expert
This tutorial explains how to calculate the percentage of a specific alloying element (e.g. C, Mn, Cr, Ni) in a weld bead based on contributions from base metal, filler metal, and other additives. This calculation is critical in welding metallurgy to predict the final chemical composition of the weld and ensure mechanical properties meet standards.
weldingengineer
weld
ASME Y14.5 2018 – Key Terms and Definitions Explained
Aygün Karaköse
in
Theory
2
0
Expert
The ASME Y14.5-2018 standard is one of the most comprehensive and widely used guides for Geometric Dimensioning and Tolerancing (GD&T) in engineering drawings. It provides standardized definitions and symbols to ensure clarity and consistency in design, manufacturing, and inspection processes. This article summarizes and explains the key terms and concepts from the standard to help engineers, designers, and technical professionals better understand and apply GD&T principles effectively.
gdt
geometric dimensioning and tolerancing
asme y145
Welding Procedure Development Workflow According to EN ISO Standards: A Comprehensive Guide
Aygün Karaköse
in
Theory
1
0
Expert
Welding procedure development is a critical process to ensure quality, safety, and repeatability in welded fabrications. The workflow is governed by international standards such as EN ISO 15607, 15609, 15614, 15610, and 15608, which set requirements for qualification, documentation, and testing of welding procedures. This article outlines a step-by-step roadmap for welding procedure development, from material verification to final approval, tailored for welding engineers and quality professionals.
weldingengineer
welding
Onshape Robot Tutorial for Absolute Beginners (Step-by-Step Guide)
Engineering Juice
in
Process Simulation
1
0
Beginner
https://youtu.be/BQ3qsnO2RfY
onshape tutorial
prototwin tutorial
prototwin
onshape prototwin
onshape
Electrode and Wire Classifications in Arc Welding: A Technical Overview
Aygün Karaköse
in
Theory
1
0
Intermediate
arc welding processes such as SMAW (Shielded Metal Arc Welding), MIG (Metal Inert Gas), TIG (Tungsten Inert Gas), and MAG (Metal Active Gas), electrodes and wires are classified and coded according to international standards. These designations help welders select the appropriate consumables to ensure weld quality and suitability for specific applications. This article explains common electrode and wire classification systems with representative examples and their meanings.
weldingengineer
weld
Static FEM simulation (disk under load)
Oleksandr Grinenko
in
FEM
1
1
Beginner
Hello people, In this tutorial static FEM simulation introduced. Geometry: disc shape Material: Steel 1C45 Load: pressure on face boundary conditions: disk fully constrained from both sides. Files attached here: https://grabcad.com/library/disks-parts-for-simulation-1 Link to the video with descriptions here: https://vimeo.com/1099767000
meshing
discs
solver
fem
freecad
static
Introduction to static analysis CAE
Edwin Rodriguez
in
FEM
1
0
Beginner
CAE Fundamentals Tutorial, Introduction to static analysis in spanish.
FREE Simulation Tools in Onshape
Engineering Juice
in
FEM
1
0
Intermediate
https://youtu.be/SD4g7M_YZqA
onshape robotics
onshape fem
onshape fea
onshape simulation
prototwin
caeplex
simscale
onshape
Simulation Contact
Oleksandr Grinenko
in
FEM
0
0
Intermediate
Hello people, In this tutorial - contact simulation in FreeCAD FEM Workbench. Mechanical boundary conditions: Plate fully constrained from both sides. Contact between cylinder & plate: Stiffness=70 GPa/m mu_friction=0.3 sigma_P=50 MPa on cylinder face. Material: Steel C45 plate Aluminium zylinder Link to the video with descriptions here: https://vimeo.com/1103103030
plate
contact
simulation
freecad
Тумба прикроватная Начало сборки Часть 1.
Alex Fabriсator
in
Process
0
0
Expert
В виде показан процесс сборки прикроватной тумбы из деталей, изготовленных на самодельном лазерном станке
design
homemade
diy
furniture
The Iron-Carbon Phase Diagram and Its Significance
Aygün Karaköse
in
Theory
0
0
Beginner
The iron-carbon (Fe-C) phase diagram is one of the most fundamental metallurgical diagrams, illustrating the phase transformations, microstructures, and thermodynamic equilibria of iron and carbon alloys at various compositions. It is indispensable for understanding the behavior of steel and cast iron, which are among the most widely used materials in industry.
metallurgy
fe-c diagram
iron-carbon phase diagram
1
2