Archive for the ‘CAD Tips’ Category

SolidWorks for Entrepeneurs – free, that is!

Wednesday, July 29th, 2015

SolidWorks is currently the leading 3D CAD Program out there, and of course, it is a powerful tool in the hands of any designer/engineer, and surely, quite more powerful in the hands of a team of entrepreneurs.

The rules are “simple”: you need to have:

1. less than $1mn in funding,

2. “several” references, whatever that means – they have an FAQ section, which besides making things not so simple only mentions 3 references, and,

3. a product that needs CAD for its design.

Well the last one just makes sense. Imagine collecting references, digging out your tax ID number and all that for a product you don’t even need or can’t even use…

This seems like a very good opportunity for young companies, strapped for cash. Look at the links supplied below to get started! We wish you well, and let people know you heard it here…

2015-07-28_2207Links:

1. The SolidWorks for Entrepreneurs Program Page: http://www.solidworks.com/sw/communities/solidworks-for-entrepreneurs.htm

2. FAQs on the program: http://www.solidworks.com/sw/communities/SOLIDWORKS-for-Entrepreneurs-FAQ.htm

 

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Tip: 2-12-2012 – Drafts first or fillets first? Big ‘uns or small ‘uns?

Sunday, February 12th, 2012

We are building and testing our Android Application, as part of a larger schedule to get things out. So, this will be a quick update.

CAD Model Design – the order of drafts and fillets…

You may not be designing a dozen models a week, so this may not concern you much. But when you do, drafts come first and fillets next. If you find yourself in the need to apply different draft angles, which is a bit atypical, then the larger drafts come first.

Similarly, larger fillets come first! This is the order in which you should create the models in the design tree. Take a look at the example below:

 

[Click on image to enlarge]

In this example, the larger fillets are 6mm, and the smaller fillets are 4mm. Yes, it is a simple enough example that they could have the same radii, but this is a demonstration for the situation you will run into when in your designs. As you can see above, everything appears in order. This is because when the parametric model for this component was built, the larger 6mm fillet was applied first, and then the 4mm fillet was applied.

Now, let us see what happens if this order was reversed, that is, the 4mm fillet had been applied first, and then the 6mm fillet was applied:

[Click on image to enlarge]

As you can tell, creating the smaller fillet first causes quite a bit of havoc. This can potentially cause sharp corners and other potential errors, or simply cause the model to lose fidelity and fail!

You can create a similar example for drafts. If you have accidentally created them in the wrong order, you might be in luck if your model is more symmetric. In a future episode, we will show you how to re-order features in the design tree or design history. If you are using a parametric modeling program such as SolidWorks, SolidEdge, Creo or Inventor, you can look up the help files.

Send us feedback to tips [at] designably.com or leave comments with your thoughts!

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