<< Click to Display Table of Contents >> Navigation: Getting Started Tutorials - MechDesigner > Tutorial 6: Cams: Flat, Barrel, Globoidal, 'Slot' > 6A1: Rotating Cam & Cam-Roller Follower > Step 6A.7: Add Polyline and Profile to 2D-Cam |
Note: You do not need to do this step to get Cam-Coordinates.
Add a Polyline and a Profile to the Cam-Track of Cam 1 and show it as a Solid.
A Polyline is a sketch-element that is a copy of the 2D-Cam.
If the 2D-Cam changes its shape, you must update the Polyline.
Why add a Polyline and Profile to a Cam?
Only if you want to:
•Show the Cam as a Solid to check for collisions.
•Find its Mass Properties: Mass, center-of-Mass, and Moment-of-Inertia. e.g. if you want to balance the Cam.
•Include the Mass of the Cam with a Force Analysis.
Do these commands.
1.Add Polyline to the Cam-1
2.Add Profile to the Polyline
'Expand' then 'Play'
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STEP 1: Add a Polyline to Cam 1 1.Click Run toolbar > Home (or ALT+H key combination) It is important that the MMA=0 |
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Note: You can add a Polyline to a 2D-Cam or a Gear-Pair. |
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3.Mechanism-Editor: Click the 2D-Cam |
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4.Click |
STEP 1: Add a Profile to the Polyline 1.Click Add menu > Mechanism sub-menu > Solids sub-menu > Add Profile or 1.Click Solids toolbar > Add Profile 2.Mechanism-Editor: Click the 2D-Cam in the graphic-area |
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In the Command-Manager, you should see the Polyline in the selection-box. 3.Click To see the Profile and Extrusion 4.Use Visibility toolbar > Show Solids in Mechanism |
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![]() Assembly-Tree with 2D-Cam, with Profile/Extrusion element. |
The elements in the Assembly-Tree. Expand the Cam-Shaft Part to see these elements: Part - the Cam-Shaft •CAD-Line - from the start-Point to the end-Point of the Cam-Shaft Part •Cam-Plate - we do not add this element. We use it as a holding element for all 2D-Cams you may add to the Cam-Shaft Part. •2D-Cam - a •Profile - a child to the Part •Extrusion - a child to the Profile |
MechDesigner does not list the Polyline in the Assembly-Tree. If you click the 2D-Cam in the graphic-area, you will see the Polyline elements in the Selection-Window. |