Using a Solid Body for a HSM Stock Setup

The standard setup tool in HSM is great if you are starting from a standard stock that is either cylindrical, box or tube shaped. But if your part has been pre-machined to be mounted on a jig, originally cast and now needs to be milled to finish or is just a part that needs to have the set up flipped so that you can machine the other side, then I’d recommend reading the tutorial below to find out an easy way to create a solid body for selection as a stock.

The first step is to create the solid body for the stock selection in the same part file. If you are the original designer this should be easy enough, as at any point in the design you can just create a new solid body, but a CAM only user may need to work backwards a little.

TIP: Use the end of part marker to move backwards in a design to a point before the feature you wish to machine was created.

Using a Solid Body for a HSM Stock Setup Image 1

Once the model is at a state that it can be duplicated you can click on the modify panel dropdown on the 3D model tab and select ‘copy object’. Select the body that currently exists, choose the composite option under create new and be sure to untick the delete original. This will create a surface shell of your model.

Using a Solid Body for a HSM Stock Setup Image 2

Next select the Create the Stitch option on the Surface panel of the 3D Model tab. Select the new surface body, click apply and then done. Now you will have two solid bodies in your part, I recommend renaming the new body to be stock. If you have more to add to the stock body it can be handy to turn off the visibility of the main part body while working on it.

Once you have finished the modelling of the new stock body, turn off the visibility of the stock and the visibility of the part body back on. Now you can go to the CAM environment to begin your setup.

In the setup menu, start by setting the WCS correctly. Then go to the stock tab and select the From Solid option for the mode. With the select active you can switch back to the model tab and select the hidden stock body for a stock.

After this you can continue creating toolpaths as normal and not need to imagine what your progress would look like during simulations.

Using a Solid Body for a HSM Stock Setup Image 3

If you want to learn more, head over to our Autodesk Inventor HSM training page or alternatively click on the button below to get in touch with Graitec.

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