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Mechanical Engineering Dept., SJSU

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1 Mechanical Engineering Dept., SJSU
Creating a New Part File → New Ken Youssefi Mechanical Engineering Dept., SJSU

2 File management Toolbar View management Toolbar Datum Creation Toolbar
Pro/E Screen File management Toolbar View management Toolbar Model Display Toolbar Datum Display Toolbar Datum Creation Toolbar Part management area 3 Principal Orthographic planes Feature Creation Toolbar Work Screen Feature Creation Dashboard Ken Youssefi Mechanical Engineering Dept., SJSU

3 Mechanical Engineering Dept., SJSU
Default Toolbar Ken Youssefi Mechanical Engineering Dept., SJSU

4 Mechanical Engineering Dept., SJSU
Model Display Ken Youssefi Mechanical Engineering Dept., SJSU

5 Mechanical Engineering Dept., SJSU
Pro/E Mouse Functions Ken Youssefi Mechanical Engineering Dept., SJSU

6 Mechanical Engineering Dept., SJSU
Default Datum Planes in Pro/E Three Standards Principal Orthographic Planes Top Front Right Ken Youssefi Mechanical Engineering Dept., SJSU

7 Mechanical Engineering Dept., SJSU
Creating Solids Sketched Features - (extrusions, revolves, sweeps, blends, ..) These features require a two-dimensional drawing (cross section) which is then manipulated into the third dimension. Although they usually use existing geometry for references, they do not specifically require this. These features will involve the use of an important tool called Sketcher. Revolve Sweep Blend Extrude Select a datum plane to draw. Create a 2D sketch. Create a feature from the sketch by extruding, revolving, sweeping, …. Ken Youssefi Mechanical Engineering Dept., SJSU

8 Mechanical Engineering Dept., SJSU
Creating Solids Placed Features - (holes, rounds, shells, ...) These are features that are created directly on existing solid geometry. Examples are placing a hole on an existing surface, or creating a round on an existing edge of a part. Hole Shell Rib Draft Round Chamfer Ken Youssefi Mechanical Engineering Dept., SJSU

9 Mechanical Engineering Dept., SJSU
Edit Toolbar The final group of buttons is used for editing and modifying existing features. Mirror Merge Trim Pattern Ken Youssefi Mechanical Engineering Dept., SJSU

10 Implicit Constraints in Sketcher
Ken Youssefi Mechanical Engineering Dept., SJSU

11 Example of Implicit Constraints
vertical lines horizontal lines perpendicular lines tangency equal length lines equal radius vertical alignment Ken Youssefi Mechanical Engineering Dept., SJSU

12 Setting Sketch Orientation
Sketch plane - the plane on which you will draw and your view is always perpendicular to the sketch plane. The Orientation option list in the dialog window (Top, Bottom, Left, Right) refers to directions relative to the computer screen, as in “TOP edge of the screen” or “BOTTOM edge of the screen” and so on. This orientation must be combined with a chosen reference plane (which must be perpendicular to the sketch plane) so that the desired direction of view onto the sketching plane is obtained. Ken Youssefi Mechanical Engineering Dept., SJSU

13 Setting Sketch Orientation - Example
Ken Youssefi Mechanical Engineering Dept., SJSU

14 Mechanical Engineering Dept., SJSU
Sketcher Ken Youssefi Mechanical Engineering Dept., SJSU

15 Mechanical Engineering Dept., SJSU
The Sketcher Toolbar Ken Youssefi Mechanical Engineering Dept., SJSU

16 Sketcher Toolbar Flyout Buttons
Ken Youssefi Mechanical Engineering Dept., SJSU

17 Weak vs. Strong Dimensions
A dimension created by Sketcher is called “weak” and is shown in gray. Strong dimensions, on the other hand, are those that you create. Sketch with weak dimensions You can make a strong dimension in any of three ways: Modify the value of a weak dimension Create a dimension from scratch by identifying entities in the sketch and placing a new dimension on the sketch Select a weak dimension and promote it to strong using the RMB pop-up menu Ken Youssefi Mechanical Engineering Dept., SJSU

18 Over and Under Constrained Sketch
If there is not enough information to define the drawing (it is underconstrained), Sketcher will create the necessary and sufficient missing dimensions.These are the weak dimensions. If Sketcher finds the drawing is overconstrained (too many dimensions or constraints) it will first try to solve the sketch by deleting one or more of the weak dimensions (the ones it made itself earlier). However, if Sketcher still finds the drawing overconstrained, it will tell you what the redundant information is (which may be dimensions or constraints), Ken Youssefi Mechanical Engineering Dept., SJSU

19 Extrude Command in Pro/E
The Extrude Dashboard Extrude Icon Select Placement to define the sketch plane Solid Surface Depth options Blind depth Thicken Sketch Remove material (cut) Flip direction Extrude Ken Youssefi Mechanical Engineering Dept., SJSU

20 Extrude Command in Pro/E
Extrude Dashboard Thicken Sketch A Thick extruded solid Surface Extruded surface Depth Spec options Extrude to selected point, curve, plane or surface Extrude on both sides of the sketch, equal amount. Extrude from the sketch by a specified value Ken Youssefi Mechanical Engineering Dept., SJSU

21 Creating an Extruded Cut
Select a plane to sketch on, cannot sketch on a curved surface. Sketch the curve Select Remove Material button Remove Material Ken Youssefi Mechanical Engineering Dept., SJSU

22 Creating an Extruded Cut
Material removal arrow pointing to the right. Material Removal Side Material removal arrow pointing to the left. Common dashboard controls Ken Youssefi Mechanical Engineering Dept., SJSU

23 Creating a Hole (placed feature)
Hole types Straight Sketched Standard hole countersink Standard hole counterbore Thru next Blind Thru all Thru until Depth options Ken Youssefi Mechanical Engineering Dept., SJSU

24 Creating a Hole (placed feature)
Hole placement: linear or radial Standard threaded hole option The Straight hole dashboard (default) Ken Youssefi Mechanical Engineering Dept., SJSU

25 Chamfer and Fillet (Round)
Chamfer Dashboard Round Chamfer Round Dashboard Ken Youssefi Mechanical Engineering Dept., SJSU

26 Creating a Revolved Feature
Extrude Revolve Sketch a centerline Revolve the sketch around the centerline Sketch a 2D profile Ken Youssefi Mechanical Engineering Dept., SJSU

27 Creating a Sweep Feature (Protrusion)
Trajectory Section Ken Youssefi Mechanical Engineering Dept., SJSU

28 Creating a Sweep Feature (Cut)
Create an entity from an edge Pick the top surface of the table top to sketch, insert the two edges of the table into the sketch plane for reference, erase after finished. Sketch the sweep trajectory (guide sweep) Trajectory Ken Youssefi Mechanical Engineering Dept., SJSU

29 Creating a Sweep Feature (Cut)
select Insert → Sweep → Cut, and choose the Select Traj. option Ken Youssefi Mechanical Engineering Dept., SJSU

30 Creating a Sweep Feature (Cut)
Sketch the cut profile on the back surface f the table top Back surface Ken Youssefi Mechanical Engineering Dept., SJSU

31 Creating a Swept Blend Feature
Insert → Swept Blend Swept Blend Dashboard Sweep type Ken Youssefi Mechanical Engineering Dept., SJSU

32 Mechanical Engineering Dept., SJSU
Creating a Swept Blend Feature The Normal to Trajectory option keeps each of the feature’s cross sections normal to the trajectory of the feature. Each section is created normal to a vertex of the trajectory or normal to a datum point on the trajectory. It requires the definition of a trajectory and the definition of one or more sections option keeps the feature’s cross sections normal to a second trajectory. Each section of the feature is created perpendicular to the normal trajectory. The option requires the definition of a sweep trajectory, a normal trajectory, and two or more sections. The Normal to Projection option keeps the feature’s cross sections normal to a selected planar pivot plane, edge, curve, or axis. Each section of the feature is created normal to the selected pivot plane. It requires the definition of a trajectory a normal plane and the definition of one or more sections. Constant Normal Direction Ken Youssefi Mechanical Engineering Dept., SJSU

33 Creating a Swept Blend Feature - Examples
The Normal to Projection The Normal to Trajectory Ken Youssefi Mechanical Engineering Dept., SJSU

34 Creating a Swept Blend Feature - Examples
Sketch the trajectory 2 1 3 4 5 Ken Youssefi Mechanical Engineering Dept., SJSU

35 Creating a Swept Blend Feature - Examples
Select Insert → Swept Blend Swept Blend dashboard Select the trajectory, if there is only one sketch, it will be selected automatically Select Normal To Trajectory (default) Ken Youssefi Mechanical Engineering Dept., SJSU

36 Swept Blend Feature - Example
2 1 3 4 5 Select a point and sketch the cross section Ken Youssefi Mechanical Engineering Dept., SJSU

37 Mechanical Engineering Dept., SJSU
Select Insert when finished with the sketch Follow the same steps to draw the other sections Ken Youssefi Mechanical Engineering Dept., SJSU

38 Creating a Variable-Section Swept Feature
Used to create complex geometric shapes. The option sweeps a section along one or more trajectories. Ken Youssefi Mechanical Engineering Dept., SJSU

39 Creating a Datum Plane Tangent to a Curve at a Point
Select Datum Plane Select the curved plane and the Tangent option A Ken Youssefi Mechanical Engineering Dept., SJSU

40 Creating a Datum Plane Tangent to a Curve at a Point
Select the end point of the line, the datum plane is tangent to the cylinder at point A. Ken Youssefi Mechanical Engineering Dept., SJSU

41 Mechanical Engineering Dept., SJSU
Extrude and cut Sketch on the created datum plane Ken Youssefi Mechanical Engineering Dept., SJSU

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