solidworks session 1 ferdowsi university of mashhad dr. behnam moetakef imani winter 2011
Post on 21-Dec-2015
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TRANSCRIPT
• “Feature-based” modeling means– build the model by incrementally identifying functional
shapes and applying processes to create the shapes
– Many different feature types in SolidWorks enable you to create everything from the simplest geometry to more complex artistic or organic shapes.
– most common features
• SolidWorks is also history based– a panel to the left side of the SolidWorks window called
the FeatureManager
– FeatureManager keeps a list of the features in the order in which you have added them
– enables you to reorder items in the tree (in effect, to change history)
– the order in which you perform operations is important
1. Create a sketch.
2. Extrude the sketch.
3. Create a second sketch.
4. Extrude the second sketch.
5. Create a third sketch.
6. Extrude Cut the third sketch.
7. Apply fillets.
8. Shell the model.
FeatureManager design trees
• Sketching with Parametrics– Sketching is the foundation that underlies the most
common feature types.
– sketching in parametric software is vastly different from drawing lines in 2D CAD
• SolidWorks sketches are parametric– you can create sketches that change according to certain
rules, and
– maintain relationships through those changes
– It extends beyond sketching to all the types of geometry you can create in SolidWorks
– Creating sketches and features with intelligence is the basis of the concept of Design Intent
Terminology: Basic Geometry
• Face – The surface or “skin” of a part. Faces can be flat or curved, can be analytic or parametric
• Edge – The boundary of a face. Edges can be straight or curved,can be analytic or parametric
• Vertex – The corner where edges meet
Vertex
Edge
Edge
Faces
Terminology: Basic Geometry
Face
Edge
Vertex
Surface
Curve
Point
Topologic Variable Geometric Variable
Relations of Geometric Variables
Representation of geometric Objects
View Control
Magnify or reduce the view of a model in the graphics area.
• Zoom to Fit – displays the part so that it fills the current window.
• Zoom to Area – zooms in on a portion of the view that you select by dragging a bounding box.
• Zoom In/Out – drag the pointer upward to zoom in. Drag the pointer downward to zoom out.
• Zoom to Selection – the view zooms so that the selected object fills the window.
Display Modes
• Illustrate the part in various display modes.
Wireframe Hidden lines Visible
Hidden LinesRemoved
Shaded Shaded WithoutEdges
View Orientation
• Front
• Right
• Bottom
• Isometric
• Top
• Left
• Back
• Normal To (selected plane or planar face)
Changes the view display to correspond to one of the standard view orientations.
View Orientation
• The views most commonly used to describe a part are:– Top View
– Front View
– Right View
– Isometric View
• Viewing the model or drawing through one, two, or four viewports
• Link view ?
Default Planes
• Default Planes
– Front, Top, and Right
Correspond to the standard principle drawing views:
– Front = Front or Back view
– Top = Top or Bottom view
– Right = Right or Left view
Isometric View
• Displays the part with height, width, and depth equally foreshortened.
– Pictorial rather than orthographic.
– Shows all three dimensions – height, width, and depth.
– Easier to visualize than orthographic views.
Selection Methods
• Highlighting
• Select Entity
• Box Selection
• Cross Selection
• Invert Selection
• Select Loop
• Select Chain
• Selection Filter
• Tangent Selection
Creating a 2D Sketch
1. Click Sketch on the Sketch toolbar.
2. Select the Front plane as a sketch plane.
3. Click Rectangle on the Sketch Tools toolbar.
4. Move the pointer to the Sketch Origin.
Creating a 2D Sketch
5. Click the left mouse button.
6. Drag the pointer up and to the right.
7. Click the left mouse button again.
Adding Dimensions
• Dimensions specify the size of the model.
To create a dimension:
1. Click Dimension on the Sketch Relations toolbar.
2. Click the 2D geometry.
3. Click the text location.
4. Enter the dimension value.
2D geometry
Text location
2-D Object Creation Methods
Line Centerpoint Arc Tangent Arc 3 Point Arc
Circle Spline Rectangle Point
Dimensioning & Relations
Dimensioning
Linear Radial Angular
Relations
Horizontal Vertical Collinear Perpendicular
تمرین • را با رسم شکل توضیح دهید.sketchکلیه قیود در 1. ایجاد کنیدSolidWorksقطعه زیر را در 2. convert entitiesپیاده سازی 3.
در روی صفحهoffset entitiesو مجزا و بر روی بیضی و بحث
روی نتایج.