Hands-on: Inventor HSM Express 2014 90 minutes Hands-on For

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Hands-on: Inventor HSM Express 2014

90 minutes Hands-on For Beginners

Peter De Strijker - Technical Specialist, Autodesk Benelux


Inventor HSM Express

In this tutorial, you will learn how to machine a part using following topics:

Interface

Create the Setup

Face

2D Adaptive Clearing

2D Pocket

2D Adaptive Clearing 2

2D Contour

Create the Chamfers

Create the Countersinks

Drilling

Tapping

Simulate and Post Process

Before proceeding, please open the part CAM Mania Tutorial.ipt in Inventor HSM Express, which

can be found in <FDS-ROOT>\AIA2013\IHSMEXPRESS

HSM Express Interface

Inventor HSM Express is a fully integrated CAD/CAM system which allows effective generation of

high quality 2D milling toolpaths for high speed machining.

The commands offered on the Inventor HSM Express ribbon are shown below:

Once a part or assembly file is loaded and a strategy selected from the CAM ribbon, the CAM

Browser becomes active replacing the familiar Inventor Model Browser. The CAM Browser lets you

view and modify all machining-related data in the current part or assembly.


Create the Setup

On the CAM ribbon, click Job panel Setup .

The Setup operation dialog is displayed with the Model tab active.

In Model group, click the Model button and select the part within the stock bounding box.

In the Work Coordinate System (WCS) group, make sure that Stock box point is selected

from the Origin: drop-down menu.


From the Bounding box point: drop-down menu, select Top corner 3.

Activate the Stock tab

Select Add stock to sides and top- bottom from the Stock offset mode drop-down menu.

Change Side offset to: 0

Change Top offset to: 1 mm

Change Bottom offset to: 5 mm

Click the OK button , or right-click in the graphics window and select OK from

the marking menu, to exit Setup and close the Operation dialog.


Face the Stock Perform a facing operation to clear the top face of the stock and ensure that it is completely flat.

On the CAM ribbon, click 2D Milling panel Face .

Click to open the Tool Library.


From the Tutorial library, select Ø50 mm face.

Click to close the Tool Library dialog.


In the Feed & Speed group, change Lead-in feedrate to: 1000 mm/min

Change Ramp feedrate to: 300 mm/min

Change Plunge feedrate to: 300 mm/min

Start the Calculation

Click at the bottom of the Operation dialog box, or right-click in the graphics

window and select OK from the marking menu, to automatically start calculating the toolpath.

The toolpath is now calculated and a preview appears in the graphics window.


Rough Out the Three Pockets The next step is to rough out the three pockets with an adaptive clearing strategy.

On the CAM ribbon, click 2D Milling panel 2D Adaptive


From the Tutorial library, select Ø5 mm flat.


In the Feed & Speed group, change the following values:

Tip: Use Copy and Paste to duplicate the settings between the various parameter fields.

Spindle speed to: 10000 rpm

Ramp spindle speed to: 10000 rpm

Cutting feedrate to: 1500 mm/min

Lead-in feedrate to 750 mm/min


Lead-out feedrate to: 750 mm/min

Ramp feedrate to: 750 mm/min

Plunge feedrate to: 750 mm/min

Feed per revolution to: .0.1 mm

Activate the Geometry tab

Click the Pocket selections button and select the bottom face edges at each pocket and

apply.

Be sure to enable the Machine cavities check box.


Activate the Passes tab and adjust the Stock to Leave value to 1 mm.


Click the Linking tab.

Set No-engagement feedrate to: 1000 mm/min


Click , or right-click in the graphics window and select OK from the marking

menu, to exit 2D Adaptive and create the toolpath.


Finish cut the Three Pockets The next step is to rough out the three pockets with an adaptive clearing strategy.

After roughing out the pockets, use a 2D Pocket strategy to create a finished cut.

On the CAM ribbon, click 2D Milling panel 2D Pocket


Make sure that tool Ø5 mm flat is still current.




Click the Pocket selections button and, once again, select the three faces at the bottom of

the part like before.

On the Passes tab, change the following:

Enable the Finishing passes check box.

Stepover to: 0.6 mm

Finish feedrate to: 1000 mm/min

Maximum stepover to: 3 mm

Disable the Stock to Leave check box




Change these values on the Linking tab:

Maximum stay-down distance to: 30 mm

Enable the Lead-in (entry) check box.

Horizontal lead-in radius to: 0.5 mm

Linear lead-in length to: 0.5 mm

Vertical lead-in radius to: 0.5 mm

Maximum ramp stepdown to: 10 mm

Helical ramp diameter to: 6 mm

Minimum ramp diameter to: 6 mm



menu, to exit 2D Pocket and create the toolpath.


Intermediate tool path simulation

Right-click on the Setup folder in the CAM Browser and select Simulate (All) from the pop-

up context menu.

The Simulation player is displayed in the graphics window.

Be sure to check the Stock tab.

Click first rewind and then Play button on the Simulation player to playback the defined

toolpaths.

When the simulation is complete, click the Close button in the Simulation dialog box, or

right-click in the graphics window and select Close from the marking menu.


Rough Cut the Outside of the Part Use an adaptive clearing strategy to rough cut the outside of the part.

On the CAM ribbon, click 2D Milling panel 2D Adaptive




Click the Geometry tab and ensure that the Pocket selections button is still active.

Disable the Machine cavities check box to ensure that machining occurs on the outside of

the selected profile, and not the inside.

Attention: When you disable Machine cavities, the Stock Contours check box is

automatically enabled and the stock contour is displayed on the part.

Select the outer profile as shown in the following image:


Click the Heights tab.

From the Bottom Height drop-down menu, select From model bottom.

Set Bottom offset to: -0.25 mm



menu, to exit 2D Adaptive and create the toolpath.


Finish the Outside of the Part Finish the outside of the part with a 2D Contour operation.

On the CAM ribbon, click 2D Milling panel 2D Contour .



Click the Geometry tab and ensure that the Contour selections button is active.

Select the same outer profile as you did in the previous 2D adaptive operation.

Make sure that the contour arrow points out as shown in the image below. Click the arrow to

reverse its direction, if necessary.

Click the Heights tab.


From the Bottom Height drop-down menu, select From model bottom.

Set Bottom offset to: -0.25 mm





menu, to exit 2D Contour and create the toolpath.


Machine the Chamfers A 2D Contour operation is used once again to create the required chamfers.

On the CAM ribbon, click 2D Milling panel 2D Contour .


From the Tutorial library, select Ø10 mm 45° chamfer.



On the Geometry tab, click the Contour selections button and select all four chamfers on

the top surface of the part.

Make sure that the contour arrows point out as shown in the image below. Click an arrow to

reverse its direction, if necessary.

Click the Passes tab.

Because a chamfering tool was selected, Inventor HSM Express automatically enables the

Chamfer group.

Set Chamfer tip offset to: 0.5 mm



menu, to exit 2D Contour and create the toolpath.


Drill the holes in the Part

On the CAM ribbon, click Drilling panel 2D Drill .


Make sure that tool Ø10 mm 45° chamfer is still current.

Click the Geometry tab. Ensure that Selected faces is selected from the Hole mode drop-

down menu and that the Hole faces selection button is active.

Select the conical face of one of the countersunk holes.

Enable the Select same diameter check box. The other three countersinks are automatically

selected.


Important: If Select same diameter is disabled (grayed out), you have most likely selected

the edge of the cylinder instead of the face. Be sure to select cylindrical faces to use this

feature.

Click the Cycle tab.

Select Drilling - rapid out from the Cycle type drop-down menu.



menu, to exit Drill and create the toolpath.

Repeat the Drill operation to create the four drilled holes by Duplicating the former Drill

operation.


Double click to edit the Drill operation and change the tool to 3 mm drill.



On the Geometry tab, click the Hole faces button and select the bottom face of one of the

threaded holes.

Enable the Select same diameter check box. The other three threaded holes are

automatically selected.






Tap the Four Holes Finish all machining operations by tapping the four holes.

On the CAM ribbon, click Drilling panel 2D Drill .


From the ISO Taps library, select Ø4x0.7mm right tap.


On the Geometry tab, click the Hole faces button and select the face of one of the threaded

holes.

Enable the Select same diameter check box. The other three remaining holes are

automatically selected.


Select Tapping from the Cycle type drop-down menu.





Let’s run the final tool path simulation

Right-click on the Setup folder in the CAM Browser and select Simulate (All) from the pop-

up context menu.

The Simulation player is displayed in the graphics window.

Be sure to check the Stock tab.

Click first rewind and then Play button on the Simulation player to playback the defined

toolpaths.

When the simulation is complete, click the Close button in the Simulation dialog box, or

right-click in the graphics window and select Close from the marking menu.

Final result should look like this



On the CAM ribbon, click Toolpath panel Setup Sheet

An html tool setup sheet will be generated.


Next, click On the CAM ribbon, click Toolpath panel Post Process .

The Post Process dialog box is displayed.

Tip: As an alternative, you can also right-click on the Setup folder in the CAM Browser and

select Post Process (All) from the pop-up context menu.

Select heidenhain.cps - Generic Heidenhain from the Post Configuration drop-down menu.

Accept the default output folder or choose another.

Start the post processor by clicking the Post button. Accept the default file name or provide

another.

Click the Save button.

Because the Open NC file in editor check box is enabled by default in the Post Process

dialog box, the post processed file is automatically loaded into Inventor HSM Edit.


From the editor you can edit, inspect, and transfer your NC program to your CNC machine.

The editor provides a number of CNC code-specific functions including line

numbering/renumbering, XYZ range finder, and file comparison. The editor also features a

DNC link for reliable RS-232 communications with a variety of CNC controls.

Remember: You can also post process individual operations by right-clicking the operation

in the CAM Browser, and selecting Post Process from the pop-up context menu.

Congratulations! You have completed this tutorial.

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Hands-on: Inventor HSM Express 2014 90 minutes Hands-on For