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Proper Method to Produce Lobster-back Duct Bends

lawrie
in Drafting
3 1 Beginner
One type of industrial component I have been involved with the design and manufacture of is lobster-back bends. This type of duct bend is made up of segments cut from flat sheets or plates, rolled into cylindrical parts, then assembled. These can be light sheet-metal or manufactured from thick plate. This quick tutorial is a supplement to the one I produced an outline of a method I have used modeling this type of component using Alibre Design. As this supplement concerns producing parts ready for manufacture and applies to whatever software you have used, that is not important as this short tutorial is to outline turning your modeled bend into the flat profile ready to be made into the completed bend. In this modern world, the bend parts will be cut out using CNC laser, or CNC Plasma cutting machines. Sometimes we produce the nc programs ourselves or we are required to produce the correct files for the laser / plasma department to program and cut out. Making the program to cut out the parts starts normally from a 2D dxf file at a scale of 1 : 1. This is the first part of the process that has to be correct. If you produce this dxf incorrectly the finished parts will be useless. Producing this at the right scale, 1 : 1 is different with different 3D cad applications, other problems can be caused by you working in different drawing units. If you are not doing the program, talk to the person who is to make sure you produce the dxf as required. Having a large quantity of wrongly cut parts is not a good thing
Alibre Design

Using Blender for Technical design

Christie S
in Modeling
22 2 Intermediate
Blender 3D may seem for non-user quite difficult to approach, and yet there are a lot of ways to use it accuratly with measures and tree function structure. This tutorial will design a precise screw. It is a near way of approaching technical design. Yes, it will not be as quite easy as solidwork or others, but the aim is to be more precise with blender.
BlenderCAD precise drawing parametric accurate

Importing .stl files to Blender 2.8

Protus C. Odie
in Modeling
2 0 Beginner
A short video tutorial on how to import .stl file to BlenderCAD
BlenderCAD render design house architecture autocad solidworks blendercad

Lobsterback Duct Bends Sheetmetal Method

lawrie
in Modeling
1 0 Beginner
This is the method I use to construct lobster back bends with sheet metal tools that I can produce flat patterns from, These flat patterns can then be used to produce files for CNC profile cutting machines. I have come across other ways of doing this using surfaces, thickened and turned into sheet metal parts. The software I am using is Alibre Design. As the version I have is low on surfacing tools I have found this a good way to model lobster back bends, which I have been involved with the design and manufacture for many years.
Alibre Design

Tutorial : How to work on Fluid simulation in Blender?

Rahul
in Design & CAD
0 0 Intermediate
following are the links to videos where you can achieve awesome results... Splash Effect - 1 of 2 : http://www.youtube.com/watch?v=Z-DYaxF_rlk Splash Effect - 2 of 2 : http://www.youtube.com/watch?v=j2dJbcTD6j0 Introduction to Blender's Fluid Simulator by Andrew Price http://www.youtube.com/watch?v=b5z70HT6kDw Fluid Simulation in Blender 2.66 http://www.youtube.com/watch?v=dgdGV0yaoM4
BlenderCAD fluid simulation tutorial blender youtube videos blendercad

How to add callouts/balloons to drawing in Alibre??

ALI ALDUBAISI
in Design & CAD
0 0 Beginner
Source: Alibre Design User Guide, page 440 https://www.alibre.com/assets/user-guide-12.pdf
Alibre Design drawings callouts ballons

Alibre Design - How to Drive a Part From a Layout Sketch

lawrie
in Modeling
0 0 Intermediate
In this tutorial I will use a 2D sketch of the layout of a fan scroll to generate a 3D sheetmetal part using Alibre Design Software. When producing a range of centifugal fans the performance of each particular fan in the range is governed by equations called the "fan laws". Once the actual performance of one fan in the range has been established the performance of all other sizes can be predicted by these laws. This makes producing a complete range of a particular type of fan an ideal task for a parametric 3D approach to produce the drawings and other details ready for manufacture. The main dimensions of our fan are based off the diameter of the rotor.
Alibre Design

how i can get STEP / IGES ???

Amine Mech
in Design & CAD
1 0 Intermediate
STEP / IGES in catia , solidworks , 3ds max , inventor pro .......
STEP / IGES

how can i uplod file in grabcad?

Victor Bonavarte 6779
in Design & CAD
0 0 Beginner
hope this helps
STEP / IGES

Top 5 CAD file formats to use!

Kevin Eidsmore
in Design & CAD
2 0 Beginner
Link to YouTube video I made about the 5 best CAD file types to use.
STEP / IGES files recommended best types formats file cad

how can i uplod file in grabcad?

William
in Design & CAD
0 0 Beginner
I have added some images so you can see how to upload step by step to GrabCAD. If you need any more help with anything just give me a little PM and if I can help I shall.... Great to have you here and being part of the community now Mehrdad //Handshake.
STEP / IGES

Modeling Twisted 25 X 25 Square Bar

lawrie
in Modeling
1 0 Beginner
Modeling a twisted 25mm x 25mm square bar with Alibre Design software. The model is made using lofted sketches, and as this feature tool is common to many software packages, the basic method should work with other software.
Alibre Design

Blender With Mechanical modeling

siddharth sharma
in Modeling
0 0 Beginner
I Design a 3d model with help of Blender and Qcad both are free and Open Source software Blender is a public project hosted on blender.org, licensed as GNU GPL, owned by its contributors. QCAD is a free, open source application for computer aided drafting (CAD) in two dimensions . Download Blender https://www.blender.org Download Qcad https://www.qcad.org/
BlenderCAD modeling tutorial blender

Download & Install Blender 4.0 | How to download and Install Blender | CADable | CADable tutorials

Ibrahim Omer
in Modeling
3 0 Beginner
Download & Install Blender 4.0 | How to download and Install Blender | CADable | CADable tutorials Welcome to CADable! Engr. Ibrahim Omer is here to guide you through a quick tutorial on downloading and installing the latest version of Blender. Blender is a powerful and open-source 3D computer graphics software used for creating animated films, visual effects, art, 3D games, and more. Developed by the Blender Foundation, it features a comprehensive suite of tools for modeling, sculpting, texturing, rendering, animation, and video editing. Blender supports a variety of platforms, including Windows, macOS, and Linux. It is widely appreciated for its versatility, robust community support, and the fact that it is free to use for various creative projects. Blender is commonly utilized by artists, animators, game developers, and filmmakers to bring their creative visions to life in the digital realm. Follow our Channel: https://www.youtube.com/c/CADable​​​ #installblender4.0 #downloadandinstallblender #blender2024 #CADable #CADabletutorials
BlenderCAD cadable tutorials cadable blender 2024 download install blender 40 download and install blender 40

Basic Steps to Model Anchor Bracket from 6mm Plate

lawrie
in Modeling
0 0 Beginner
This is the basic steps to model a version of anchor bracket manufactured from 6mm thk. mild steel plate. The software I have used is Alibre Design. The same basic approach would be taken using Solid Works, Solid Edge. or Inventor, with small differences due to the basic sheetmetal being a little bit different. My preference for making the pressed version of this part is a laser cut profile pressed into shape is a very simple way to make this. This is a good way to make a few or many of this part. The first step is to select a starting plane and sketch this basic shape. The construction lines are a guide. As I am allowing for thickness of material and radius of bends, I have offset the actual profile by 12mm
Alibre Design
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