CATI Tech Notes

SOLIDWORKS Tips and Tricks and Info on Professional 3D Printing with Stratasys from the Technical staff of CATI

Thread Profiles in SOLIDWORKS

Sometimes when you upgrade or install the latest version of SOLIDWORKS, you lose or can’t find your custom features. In this case, I have created some custom threads that I used in 2016. When I installed 2017 everything installed fine. I went use the thread feature and noticed that the custom threads that I had created were missing. I am looking for a thread profile named Feed Screw Profile. Notice in the above picture that Feed Screw Profile is not available. What happened to it? I spent a fair amount of time putting it together and now its missing. Where did it go? This is a fairly common occurrence when

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Posted in Daily Dose.....of SolidWorks Support, General Info, Modeling, SOLIDWORKS Tips and Tricks

SOLIDWORKS: Use a 3D Model To Quickly Create a 3D Weldment Sketch

How to transfer 3D model to a 3D sketch   Create a 3D model to the desired shape of the weldment you are looking to create. Start a new 3D sketch, then select an edge of your 3D model. Use your ‘Select’ tool. Click on ‘All’ to select all edges. Click on ‘Convert Entities’ button. Click OK button to accept 3D sketch. Hide 3D body for clarity. Click Weldment button to apply weldment profiles to the desired sketch entities.     Here is a further result after hiding the body and applying some weldment profiles.     I hope this makes you a more efficient with SOLIDWORKS!   Don Glaske CATI

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Posted in Daily Dose.....of SolidWorks Support, Modeling, Redneck Workarounds, SOLIDWORKS Tips and Tricks

SOLIDWORKS: Assembly Propagation

Assembly Propagation   Here’s our Scenario: We have our assembly made, and are messing with part fitment or ways to bolt sections and parts together.     While using the collision detection feature, we notice that our part will not work with the current geometry.     There are a few features that we can use at the assembly level so that we don’t have to go to the part level to change it. These assembly features will always take material away (ie Cuts), as you can’t add material to a part at the assembly level (ie Extude/boss).     For our assembly to work, I need to take some

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Posted in Modeling, SOLIDWORKS Tips and Tricks

Stratasys 3D Printing: Photoelasticity with PolyJet

Photoelasticity with PolyJet   Photoelasticity is a visual method to determine the stress distribution of a part geometry.  Unlike analytical methods of stress calculations, photoelasticity gives a fairly accurate picture of stress distribution around any imperfections in the actual geometry.  This method can be an important tool for identifying critical stress concentration in irregular geometries.   The principal of photoelasticity is based on rays of light passing through certain transparent materials with two refractive indices to create a phenomenon of an isochromatic image known as ‘Birefringence’ or double refraction.  This phenomenon is similar to light separated by an optical prism or crystal.   While the definition above may sound complex, the practical implementation

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Posted in Daily Dose.....of SolidWorks Support, Design Validation, Digital Prototyping, Modeling, Rapid Prototyping, Simulation

SOLIDWORKS: Creating Templates for Weldment Fabrication

Creating Templates for Weldment Fabrication   We recently had a customer contact us looking for an easier way to fabricate some of their weldment components. The weldment contained some complex joints where three different pieces of steel tubing met at a corner. These joints also contained a mixture of square and rectangular profiles.   Specifically, this customer wanted to create paper templates to help him fabricate these complex joints. They would wrap these paper templates around the steel, trace the outline, and hand cut the steel components in the shop. Thankfully, SOLIDWORKS does have some tools to help accomplish this task.   One method of doing this in SOLIDWORKS is

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Posted in Daily Dose.....of SolidWorks Support, Drawings, Modeling, Redneck Workarounds, SOLIDWORKS Tips and Tricks

SOLIDWORKS: Curve Driven Pattern

Curve Driven Pattern     Ho ho ho-ld up a second and take a look at the under-used, yet over-awesome Curve Driven Pattern.   Curve driven pattern does what no mere linear pattern can do. It allows the user to pattern a feature, face, or body following a curve. The curve can be generated from all types of features: a split line, a projected curve, a composite curve, a curve through reference points/XYZ, a helix/spiral, or even a 3D sketch.   In my case, I used two helices to wrap around my tree.     Similar to the linear pattern, the first prompt is for a pattern direction, but unlike

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Posted in Daily Dose.....of SolidWorks Support, Modeling, SOLIDWORKS Tips and Tricks

3D Scanning: How it Works

How 3D Scanning Works   Information in this article was originally published in the Creaform eBook, An Introduction to 3D Scanning.   3D scanners are tri-dimensional measurement devices used to capture real-world objects or environments so that they can be remodeled or analyzed in the digital world. The latest generation of 3D scanners do not require contact with the physical object being captured.   3D scanners can be used to get complete or partial 3D measurements of any physical object. Most these devices generate points or measures of extremely high density when compared to traditional “point-by-point” measurement devices.   There are two major categories of scanners based on the way

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Posted in 3D Scanning, Digital Prototyping, General Info, Modeling, Rapid Prototyping

3D Scanning: An Introduction to Creaform

An Introduction to Creaform 3D Scanning     While the mainstream media continues its obsession with 3D printing, another impactful, disruption is revolutionizing the way products are designed, engineered, manufactured, inspected, and archived. It’s 3D scanning — the act of capturing data from objects in the real world and bringing them into the digital pipeline.   CATI has partnered with Creaform to enhance your product development process with 3D Scanning technology.   So, what is 3D Scanning?    This eBook will get you started and provide an understanding of how the different 3D Scanning technologies work. Whether you are new to 3D Scanning or an old pro, we think you find this

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Posted in Digital Prototyping, General Info, Modeling, Rapid Prototyping

FREE SOLIDWORKS Training for Veterans

  FREE SOLIDWORKS Training for Veterans   CATI and MCAD are helping veterans return to the civilian workforce and advance their careers by offering free SOLIDWORKS CAD Software Training Classes.   “We want to do our small part to help those who have given so much for all of us. Our veterans return home from service with valuable skills that employers are looking for – skills like leadership, dependability, integrity, and teamwork. Even with these skills, some of them struggle to re-enter the civilian workforce. We want to help our veterans expand on those skills and ease the transition back into the workforce.” – Rich Werneth, President, Computer Aided Technology

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Posted in General Info, Modeling, SOLIDWORKS Tips and Tricks

SOLIDWORKS 2017 What’s New: Updating Toolbox Components in Assemblies – #SW2017

Updating Toolbox Components in Assemblies   You can save a lot of time by using Toolbox components in your assemblies. These parts usually contain hundreds of configurations to represent the many sizes of available parts. It is common to modify Toolbox parts by changing properties or dimensions. SOLIDWORKS 2017 makes it easier than ever to update toolbox components, if these type of changes require it.   Updating Toolbox components, in previous versions of SOLIDWORKS, would often require opening the sub-assemblies or editing the Toolbox definition of the component. SOLIDWORKS 2017 adds the ability to update all Toolbox components with a single command. This action is found by right-clicking on the

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Posted in Daily Dose.....of SolidWorks Support, General Info, Modeling, SOLIDWORKS Tips and Tricks, SOLIDWORKS What's New

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