ArtCAM Tutorijal 10

5/28/2018 ArtCAM Tutorijal 10

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ArtCAM Tutorials J.C.Lee 2007

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2 Rail Sweep : Torch Casing

Use Snap Grid Settingsin 2D Viewpull

down menu make sure Snap to Guidlinesis ticked.

In Snap Grid SettingsSet a 1mm grid and make sure Snap to Grid

and Draw Snap Gridare selected.

Drag a guideline into the model centre from the rulerat the LH side of the screen

Use the Create Polyinetool in the Vectortoolbar tocreate a vector shape as shown below

Use the Fillet Vectortool to create a 6mm radius ateach corner

This task uses the Two Rail Sweep wizardto create a complex 'organic' form based onthe Polaroid Polar Plus torch.

The Two Rail Sweep uses at least two edgeprofiles and one cross section. This can bedone simply by using the vector drawing andediting tools.

Create a new ArtCAM model say 150 mmx 120mm


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Use the Node Editingtool toselect the vector

Right clickon the top line and

choose Convert span toBezier

Use the white grab handles tocreate a curved line as shownon right

Repeat the process for the lower line

until your shape looks like the oneshown on the left

Now select the vector and use the

Mirror Vectorstool to copy it asshown below

Choose Mirror type > Right(andremember to check the box that says

Copy the original vector)

You now need to create another vector that willrepresent the cross section of your casing. ( this canbe drawn anyw here on the screen)

Use the Create Polyline Vectorand Node editing

> Convert span to bezieragain to create a crosssection looking like the one shown below(Note

how two guidelines have been used to helpconstruct the vector.)


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You are now ready to create the Two

Rail Sweep

Open the Two Rail Sweepwizard

Select the LH vector and in the

Select Control Vectors section

click on Top Drive Rail > Select

Repeat the process for the RH vector

but this time click on Bottom Drive

Rail > Select

Now scroll down the Two Rail Sweeppanel until

you can see Add Cross Section

Select your cross section vector and click on Add

Cross Section

Scroll to the bottom of the panel and click

Calculate

Look in the 3D view to see the result which shouldlook something like the model shown below

The next task is to add the raised area for the lens. This is done using the Merge Highcommand as

follows.


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First go back to the 2D view and convert the model

to Greyscale from Relief

Nextuse theCreate Ellipse tool to sketch anellipse for the raised area as shown below.

Now double click on the ellipse to open the Shape

Editor

Choose the rounded raiseuse the slider tocreate a deeply rounded profile

Click onMerge High > Apply > Close

To see the effect, go to the 3D view, which shouldlook something like the one below

The lens can now be trimmed back to matchthe body shape by zeroing everything that is

coloured black using the Shape Editor

To do thisdouble click on the black square at the bottom of the screen to

open the Shape Editor (Note: This will not be the first black that appearsbut the one further along as shown below)


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Things to try: The membrane switch is simple enough to addit just requires two concentric ellipses.

The Polaroid text can also be added.

In the Shape Editor, click Zero.

This will return everything black back to the zeroplane

Your model show now look like the one below with

the front of the lens trimmed to match the body

To see the effect, go to the 3D view, which shouldlook something like the one below

Documents

ArtCAM Tutorijal 10