SolidWorks Session 5 Ferdowsi University of Mashhad Behnam Moetakef Imani.
SolidWorks Session 2 Ferdowsi University of Mashhad Dr. Behnam Moetakef Imani Winter 2011.
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Transcript of SolidWorks Session 2 Ferdowsi University of Mashhad Dr. Behnam Moetakef Imani Winter 2011.
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SolidWorks Session 2Ferdowsi University of MashhadDr. Behnam Moetakef ImaniWinter 2011
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What is Sketch?
• The sketch is the basis for a 3D model. You can create a sketch on any of the default planes (Front Plane, Top Plane, and Right Plane)
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Sketch Snaps
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Arc types Tool Arc properties
Centerpoint Arc Sketches arcs from a centerpoint, a start point, and an end point.
Tangent Arc Sketches arcs that are tangent to sketch entities.
3 Point Arc Sketches arcs by specifying three points (start, end, and midpoint)
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Circle
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Line & Point
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Polygon
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Sketch Tools : Fillets
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Sketch Tools : Chamfer
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Sketch Tools : Offset & Convert Entity
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Sketch Tools : Trim Entities
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Sketch Tools : Extend Entities
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Sketch Tools : Split Entities
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Sketch Tools : Mirror
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Sketch Tools: Move or Copy
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Sketch Tools: Rotate
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Sketch Tools: Scale
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Sketch Tools : Linear Pattern
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Sketch Tools : Circular Pattern 1
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Sketch Tools : Circular Pattern 2
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The Status of a Sketch
• Under defined– Additional dimensions or relations
are required.– Under defined sketch entities are
blue (by default).
• Fully defined– No additional dimensions or relationships
are required.– Fully defined sketch entities are
black (by default).
• Over defined– Contains conflicting dimensions or
relations, or both.– Over defined sketch entities are
red (by default).
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Dimension : Smart Dimension
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Relations :
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Relations
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• Coincident– A point and a line, arc, or ellipse.
– The point lies on the line, arc, or ellipse
• Merge Points– Two sketch points or endpoints.
– The two points are merged into a single point.
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Sketch the 2D profile
Extrude the sketch Resulting base feature
To Create an Extruded Base Feature:
1. Select a sketch plane.
2. Sketch a 2D profile.
3. Extrude the sketch perpendicular to sketch plane.
Select the sketch plane
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To Create a Revolved Base Feature:
1. Select a sketch plane.
2. Sketch a 2D profile.
3. Sketch a centerline (optional).
4. Revolve the sketch arounda sketch line or centerline.
Centerline (optional)
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To Create a Sweep Feature
1. Sketch a Profile
2. Sketch a Path
3. Sweep the profile along the path
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To Create a Loft Feature
1. Sketch a Series of Profiles
2. To Create a Solid Model
Use the loft feature
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Sketch Complexity
• Complex sketches rebuild faster. Sketch fillets can be recalculated much faster than fillet features, but complex sketches can be harder to create and edit.
• Simple sketches are more flexible and easier to manage. Individual
features can be reordered and suppressed, if necessary.
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Design Intent
• Design Intent or can be said “design for change.”
• Design Intent means that when you put the parametric sketch relations together with the feature intelligence, you can build models that react to change in predictable ways.
• This gives you a great deal of control over changes.
• An example of Design Intent could be a written statement that describes general aspects that help define the design of a part, such as:– “This part is symmetrical, with holes that line up with Part A
– and thick enough to be flush with Part B.”
– From this description, and the surrounding parts, it is possible to re-create the part in such a way that if Part A or Part B changes, the part being described updates to match.
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Editing or deleting
• When editing or repairing relations, it is considered best practice to edit rather than delete.
• Deleting often causes additional problems further down the tree.
• Many users find it tempting to delete anything that has an error on it.
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Selecting Display/Delete Relations
تمرین •کلیه مهره های شطرنج و صفحه آنرا مدل نمایید.1.
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End of Session Two