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Preparing Solid Models for Manufacturing - Automatic Feature Finding Part 3

Preparing Solid Models for Manufacturing – Automatic Feature Finding Part 3

Feature Finding is a key element when preparing your solid model for Manufacturing.  These next steps will review the Features for Turning:

Features are named entities, or groups of entities, that you can select for machining. A feature might represent a pocket or boss for example.

The Turn Features options available are indicated below


Turn Feature

Set Start The Start of a Turn feature is the ‘highest Z’ end.

Front Face Minimum X The Front Turn feature starts at the point on the full envelope which has the maximum Z value, or if there are multiple such points, the one with the lowest X value.

Front Face Maximum X  The Front Turn feature starts at the point on the full envelope which has the maximum Z value, or if there are multiple  such points, the one with the highest X value.


Front Face Centreline The Front Turn feature starts at the point where Z = the maximum Z value of the full envelope, and X=0 (this may mean the feature profile loses contact with the solid).

Set End

The End of a Turn feature is the ‘lowest Z’ end.

None The Front Turn feature ends at the point on the full envelope which has the lowest Z value, or if there are multiple such points, the one with the highest X value.

Note that this setting produces an overlap in the Front Turn and Back Turn features.

Maximum X Start The Front Turn feature ends at the point on the full envelope which has the maximum X value, or if there are multiple such points, the one with the highest Z value.

Maximum X End The Front Turn feature ends at the point on the full envelope which has the maximum X value, or if there are multiple such points, the one with the lowest Z value.

Termination Z Set Termination Z (below) to a Z value at which to end the Front (and Back) Turn features.

Termination Z See the Termination Z setting for ‘Set End’ above.

Bore Features
Check this to find Front Bore and Back Bore features.

Set Start The ‘Start’ of a Turn feature is the ‘highest Z’ end.

Front Face Minimum X The Front Bore feature starts at the point on the full envelope which has the maximum Z value, or if there are multiple such points, the one with the lowest X value.

Front Face Maximum X The Front Bore feature starts at the point on the full envelope which has the maximum Z value, or if there are multiple such points, the one with the lowest X value.

Set End the End of a Turn feature is the ‘lowest Z’ end.

None The Front Bore feature ends at the point on the full envelope which has the lowest Z value, or if there are multiple such points, the one with the lowest X value.

Minimum X Start The Front Bore feature ends at the point on the full envelope which has the minimum X value, or if there are multiple such points, the one with the highest Z value.

Maximum X End The Front Bore feature ends at the point on the full envelope which has the minimum X value, or if there are multiple  such points, the one with the lowest Z value.

Termination Z Set ‘Termination Z’ (below) to a Z value at which to end the Front (and Back) Bore features (similar to the same ‘Set End’ option for ‘Turn’, above).

Termination Z See the ‘Termination Z’ setting for ‘Set End’ above.

Minimum Diameter No Bore features are found if they would have a diameter less than this.

Grooves 
Check this to find Groove features of all the various types (Front Turn Groove, Front Bore Groove and so on).

Threads
Check this to find Thread features. These can only be found from Part Modeler or Autodesk Inventor models.

Face Features
Front Face Check this to find the Front Face feature. This is the radial (parallel to X) portion of the full envelope that has the highest Z value.

image-6.jpgFront Face Minimum X  The Front Turn feature starts at the point on the full envelope which has the maximum Z value, or if there are multiple such points, the one with the Highest X value and finishes at the lowest X Value

Front Face Centreline As above but finishes at X=0 (this may mean the feature profile loses contact with the solid).

Back Face Check this to find the Back Face feature. This is the radial (parallel to X) portion of the full envelope that has the lowest Z value.

Back Face Minimum X and Back Face Centreline as Front face

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