ERP Cabinetmaking Tutorial – Continuing the Face Frame Option Sketch

This is an example of a cabinet designed to work with an ERP systemIn the last installment of this ERP Cabinetmaking Tutorial we were working on the Rail Options sketch, and left off with some rail profiles attached to some geometry that was projected onto the sketch from the Side Elevation sketch. The reason for the separate sketches  is pretty simple, if you start piling optional geometry atop of your base feature’s geometry, pretty soon you have a pile of unmanageable gobbledygook that is sure to explode the first time it is configured via iLogic. It’s not pretty, trust me.

As-is, the Rail Options sketch is shy 8 dimensions of a fully constrained state. All of our profiles are dimensioned for thickness with the Face_Frame_Thickness parameter, and the top and bottom rails have their widths accounted for temporarily, and all profiles are attached to the line that represents the face of the face frame via a collinear constraint…

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Cabinet Configurator Tutorial for Inventor 2013 – Plan Sketch – 3

Create new cabinet configurator parametersIn the last installment of this Cabinet Configurator Tutorial, we left off with the Plan sketch nearly complete –but the side panels geometry was left only partially constrained due to the length of the post. As with the Shaker Table blogtorial, we need to create a setback in the sketch that is driven by iLogic, which will be driven to zero at some configurations. Doing so will almost always result in a portion of your model flipping inside-out when driven back to a non-zero configuration. So what we will do to stop this from happening is create an outrigger. Please use the outrigger link if you would like more info. Otherwise, let’s get to it…

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Cabinet Configurator Tutorial for Inventor 2013 – Plan Sketch – 1

Cabinet Configurator Tutorial – Post 01 Image A - Cabinet Configurator Plan SketchIn the last installment of this Cabinet Configurator Tutorial for Inventor 2013, we completed the Side Elevation sketch which described pretty much everything there is to see when slicing through the cabinet vertically through its center (whether or not the element is actually sliced through). This next sketch will show the elements that are possible horizontally.

Because we are creating a Cabinet Configurator, there needs to be options built into the sketches. The Side Elevation sketch was easy in that regard as any options will likely be expressed merely as a different material thickness that can be controlled with a parameter and some iLogic code. The face frame configurations will created on their own sketches because it would be foolish to represent that many configurations within the Side Elevation sketch alone—a pile of lines atop other lines is a recipe for failure.  

The first thing we need to do is create a plane for our new sketch. We will use the Plane on Point method to create the plane on the top of the front most line that describes the face frame…

 

 Cabinet Configurator Tutorial – Post 01 Image 01 - Create a Plane on Point

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Inventor Tutorial – Layout Part Creation – Side Elevation – 5

Inventor Tutorial In the last installment of this Automated Cabinetry Inventor Tutorial, we got all the way around the cabinet with our sketch, but there are still a few things to add. We need to get the applied toe kick in place, add a locator for the adjustable leg, and add the rail representations in the top nailer frame. If time allows, we will start on the variable sketches that will begin to describe the variation available to the base design.

Before we start sketching, we need five more parameters (to start) to define the kick and its location, and to define the rail width for the top nailer frame. Open the Parameter Editor, and if yours looks like the one below..

 

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Inventor Tutorial – Layout Part Creation – Side Elevation – 4

Inventor TutorialIn the last installment of this Inventor Tutorial for automated Cabinet Design, we damn near finished working our way around the side elevation sketch, but still have the bottom to go. From there, we need to define the rails for this, the main version of the face frame.

The sketching begins with two parallel lines that are each coincident to the line that represents the back of the face frame and the line that represents the inner face of the back panel. Remember that every line in these cabinets either needs a horizontal or vertical constraint with a few exceptions that will be called out, so from this time forward, it’s up to you to not screw up.

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Inventor Tutorial – Layout Part Creation – Side Elevation – 3

AutoCAB Inventor Tutorial – Image 01 - Inventor Tutorial Layout PartIn the last installment of this Cabinetmaking Inventor Tutorial, we created a couple parameters, sketched in the face frame profile, and dimensioned the new face frame using the new parameters. Today we will continue sketching. The features we will need to portray in this elevation slice are a top nailer frame, a back nailer, the back, the deck, the kick, and the face frame’s rails.

This unit will be designed to rest on a cleat on the wall in the back, and have adjustable feet in the front. The kick will be attached to the front legs with clips. I’ve never built one like this, but someone once described their shops build method as being very similar to this, and I thought it was a pretty elegant way to build a good cabinet without going broke –as so many cabinetmakers do every year.

Since we’re working our way around the cabinet in a clock-wise direction, we’ll get started today with the top nailer frame. The top nailer frame butts into the back nailer –which butts up against the back, so hopefully we can get to all of them. We’ll start by drawing a set of lines in exactly the same manor as in the last post in this Inventor Tutorial series…

 

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