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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

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

T-FLEX CAD 17 - Изучение системы

T-FLEX CAD ST
in Design & CAD
3 1 Beginner
Обучающие пособие включает в себя 5 видео, которые продемонстрируют Вам работу с интерфейсом системы T-FLEX CAD 17. Скачать бесплатную учебную версию T-FLEX CAD 17: https://tflexcad.ru/download/t-flex-cad-free/
T-Flex CAD cad t-flex

Tutorial: how to use the file format. jpg eg for format CAD in the T-FLEX Parametric CAD?

Tomek F.
in Design & CAD
0 0 Beginner
You can do it on any wall model or the active surfaces
T-Flex CAD parametric t-flex tflex

tutorial- How to make a rotor blower (the answer to the request) in T-Flex CAD Parametric 2D/3D

Tomek F.
in Design & CAD
2 0 Intermediate
Thank you I hope that I helped
T-Flex CAD

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

How to make a parametric model of the spring in the T-FLEX Parametric CAD 2D/3D?

Tomek F.
in Design & CAD
0 0 Beginner
oh yes!
T-Flex CAD spring parametric

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

Tutorial: how to use the file format. jpg eg for format CAD in the T-FLEX Parametric CAD?

Tomek F.
in Design & CAD
0 1 Beginner
Last minute
T-Flex CAD parametric t-flex tflex

Tutorial: How to behaves the option "path of pipe" in the T-FLEX Parametric CAD

Tomek F.
in Design & CAD
0 0 Beginner
a video tutorial can be found here http://youtu.be/VaIJWryiwBM
T-Flex CAD pipe parametric t-flex tflex

Tutorial: How to make a spiral on a curve in the T-FLEX Parametric CAD?

Tomek F.
in Design & CAD
0 0 Beginner
This guide is located here in the form of a film http://youtu.be/16SiVxQNMfs
T-Flex CAD

How to modify any model in the Tflex parametric CAD?

Tomek F.
in Design & CAD
0 0 Beginner
options are not shown all that can be used to modify These are directly related to the walls and let you work on foreign models
T-Flex CAD parametrics t-flex

tutorial how to make a wrist in the T-flex cad

Tomek F.
in Design & CAD
0 0 Intermediate
the same way you do a variety of programs
T-Flex CAD

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

T-FLEX CAD 16. 3D model of a screw with physical thread. Primitive

Victor Stasevsky
in Modeling
0 3 Beginner
Commands that unite the Primitive group allow you to create basic geometric bodies: Parallelepiped, Cylinder, Cone, Ball, Torus, Prism and Pyramid without creating additional construction elements. Source: https: https://www.youtube.com/watch?v=Jo9CTO7Lv0M Link to the lesson: 2
T-Flex CAD vs
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The Computer-Aided Design ("CAD") files and all associated content posted to this website are created, uploaded, managed and owned by third-party users. Each CAD and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or real-world item, product, or good it may purport to portray.