Tag Archives: iLogic Rule

Inventor iLogic Assembly Automation Tutorial Decoded

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Inventor iLogic Code Tutorial image 01 - Image of iLogic CodeThis post is a follow-up to the Assembly Automation Tutorial for Inventor iLogic post where we added the fifty-some odd lines of iLogic code to our Inventor Assembly. Today’s post will attempt to explain that code.

This post was supposed to be published yesterday, but I spent most of the day screwing around with a plugin that will eventually allow me to post Inventor iLogic code with the proper syntax highlighting that can be copy & pasted right from the webpage into your iLogic Code Editor without intermediate programs adding special characters that screw up the code. I’ll be posting a bit more on that in the next post. Until that is up-and-running, I’ll use images…   

 

Inventor iLogic Code Tutorial image 02 - This is the image of the first chunk of iLogic code used in our sample

The first two lines of code (above) are creating variables. The Nut_Offset variable gets its value by  reading the Nut_Offset parameter in the Hanger Bolt:1 part. The second variable, Overall_Size is reading two local parameters (Blue) and multiplying them against each other to get its value.

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iLogic Tutorial for Creating a SmartPart 3

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In this, the final installment in this little sidebar iLogic tutorial for the Shaker Table series of tutorials, we will add the iLogic code that will hook the model to the spec’s posted at the beginning of this miniseries. Once this tutorial is completed, we will insert this part into the table and have the table control it automatically.

This iLogic Tutorial is winding down –there is not a lot left to do so let’s get right at it. Open up the Hanger Bolt.iam assembly, then open up the iLogic Rule Editor. You should have the following code there…

 

Inventor Tutorial for SmartPart – Part 3 image 01 - Autodesk Inventor's iLogic code

…if not, you will need to get it there. From looking at the list of available hanger bolts below, we can see that there are no bolts that have two different diameters for a particular length…

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iLogic Code for Creating Min/Max Design Limits in Autodesk Inventor – 2

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iLogic Code Writing Tutorial Two - Image-01I left off in the last iLogic code post with the code that limits the Shaker Table’s apron  to a minimum of two inches. Today’s post will cover the apron’s maximum width code as well as the min/max for the thickness.

But first, I promised to show how to make the model semi-transparent. It is not at all necessary to do so, but I like to use the technique when adding and testing iLogic code so that I can get an x-ray view as to what is going on in my model. I have posted the How-To under the title iLogic Code Writing and Testing in a Semi-Transparent Model

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iLogic Code Writing and Testing in a Semi-Transparent Model

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iLogic Code Writing Tutorial - Image-01When writing iLogic code in Autodesk Inventor, you need to test the code constantly to assure that it is behaving as expected in your model. Some of what is happening would normally be hidden from view. The answer to that problem is to have a semi-transparent model while testing. Here’s how to do it….

 

For this tutorial on iLogic code I have used the table from the Shaker Table Tutorial for this how-to, but any part with multiple solid bodies will do.

 

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iLogic Tutorial for Creating Min/Max Design Limits in Autodesk Inventor

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iLogic Tutorial Image-01 - Autodesk Inventor's iLogic BrowserWe will be using the Shaker Table created in an earlier iLogic tutorial as a base for this one, so if you haven’t completed it, I suggest you do so —it is geared towards beginners, and shouldn’t take too long.

This  iLogic tutorial was created to answer a reader’s inquiry as to “how to make the mortises auto-update when the tenon changes” when designing mortise and tenon joints. This has been accomplished. The table’s dimensions can easily be manipulated via the Parameter Editor.

Changing the Apron_Width parameter will automatically change the tenon width because we used the -( Apron_Width – ( Tenon_Shoulder * 2 ul ) ) formula to create the distance between the two planes that describe its width extents.  The Tenon_Shoulder parameter used in the formula is a driven dimension placed on one segment of a group of three equal segments constrained to the thickness of the apron. As the apron thickness changes, the tenon remains exactly 1/3 of the thickness, and that dimension is transferred via the driven dimension to the mortise in the Leg solid.

 

iLogic Tutorial Image-02 - Adding parameters for the iLogic code to come

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3D Model of a BIM Eco Cottage Showing PEX Routed Systems

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This video shows the current progress on the BIM (Building Information Model) Eco Cottage (Blackhawk Cottage) currently in the works here at the Open Design Project. The video specifically shows the state of the routed systems such as the gas lines, the DWV (Drain Waste Vent) system, and the PEX plumbing.

I am hoping to have the water lines completely routed by the end of the week, and then jump over to the electrical, but I have quite a few other commitments this week so things may take a bit longer.  Enjoy the video and have a great day…

 

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