Performing CAM setup

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In this video, you’ll: •

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Apply procedural concepts to perform CAM setup within Fusion 360.

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Before any toolpaths can be applied to an assembly,

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a new CAM setup must be created.

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A setup defines what you want to machine and how.

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Common setup parameters include the type of machining operation you will use,

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as well as the model orientation and origin,

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fixture selection, stock specifications, and post processing.

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When creating a new setup, you must define the work coordinate system orientation and origin location,

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and you must define the stock model to represent the part to be machined.

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Open the file CAM Setup.f3d.

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In the Manufacture workspace, from the Toolbar, click New Setup.

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The Setup dialog displays, along with a Work Coordinate System,

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and a representation of the stock surrounding the part.

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In the Setup dialog, in the Setup group, ensure that the Operation Type is set to Milling.

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Now, it is time to define the Work Coordinate System.

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The Work Coordinate System specifies the global coordinate system a toolpath will use.

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Now, it is time to define the Work Coordinate System.

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The Work Coordinate System specifies the global coordinate system a toolpath will use.

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By default, the Work Coordinate System defaults to the model orientation.

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The Orientation allows you to set the working XY plane and the Z spindle axis orientation.

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To modify the orientation, the Work Coordinate System triad uses arrows.

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Each arrow is split into two separate parts.

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Hover your cursor over the stem of the arrow, and it highlights.

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The arrow stem is used to set the orientation of the axis.

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Hover your cursor over one of the arrow heads, and it highlights.

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The arrowhead is used to set the positive or negative direction.

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To set the Z-axis orientation, select the arrow stem of the Z-axis.

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Then, select a face or edge of the geometry that you wish the Z-axis to be perpendicular to.

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The Z should always point away from the face you plan on machining.

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In this case, a top face is selected.

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Immediately, the Work Coordinate System updates,

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with the Z-axis now perpendicular to the selected face.

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The location of the Work Coordinate System also updates.

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Next, select the origin of the Work Coordinate System triad.

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The origin lets you set the reference for defining part zero.

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Click the white dot in the center of the Work Coordinate System triad.

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Several white dots display along the stock bounding box.

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These dots represent options for possible origin locations of the Work Coordinate System.

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Pick one of the points, and the origin location of the Work Coordinate System updates.

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Now, it is time to modify the stock.

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In the Setup dialog, click the Stock tab.

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From here, you can define the size and dimensions of the stock.

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To specify the size of the rectangular stock boundary,

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in the Stock group, expand the Mode drop-down and select Fixed size box.

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Next, ensure Round Up to Nearest is set to 0 inches.

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Currently, the stock and the part are the same size,

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but best practice is to have stock that is slightly larger than the part.

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In the Width (X) field, enter 6.125.

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In the Depth (Y) field, enter 4.

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And, in the Height (Z) field, enter 1.25.

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To ensure there is enough stock material to face off and enough stock material to be held by the vice jaws,

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expand the Model Position drop-down and select Offset from top (+Z)

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and then, in the Offset field, enter 0.02.

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Notice that now, there is more material located at the base of the stock,

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so the vice jaws have more material to hold.

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Click OK.

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Save the file.

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Setting up a Work Coordinate System and ensuring the stock setup is in the proper position is essential in CAM setup.