Rma w2 d2
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Transcript of Rma w2 d2
Week 2 Day 2
Workshop by
Highlights of Previous Lecture
• Sketching Tools
– Line, Circle, Rectangle, Arcs, Fillet
• Dimensions
– Definition, Weak & Strong Dimensions
• Constraints
– Definition, Types of Constraints
Today’s Lecture
• Mirror Tool
• Relations
– Definition
– Types of Relations
– How to Use
• Basics of Part Modeling
– Part Modeling in Pro/ENGINEER
• Practicing Part Modeling
Mirror Tool
• Draw a circle of 4 unit diameter
• Select the center line tool from the line tool
• Draw either a vertical or horizontal line
• A 2-point line will be drawn of infinite length
• Select the circle and the mirror tool
• Now select the center line
– It will be prompted to do so in the message pane
• The circle will be mirrored
Relations
• Definition
– user-defined equations written between symbolic dimensions and parameters
– allowing users to control the effects of modifications
How to Use Relations
• Draw a kite shape
• We will now apply relations to its sides
• Access “Relations” through “Tools > Relations”
Relations Dialog Box
PART MODELING
Part Modeling
• Also called Solid Modeling
• Click “New” and then select “Part”
Setting up Drawing Units
• Edit > Setup
• Menu Manager > Units
Units Manager
The Drawing Planes
• These 3 drawing planes are called DATUM planes
– Datum means a point, line, or surface used as a reference
• Datum planes are used as sketching surfaces
• Select the FRONT datum plane
– It will turn red
– Then click the Extrude button located at the bottom left or above right of the screen
– Click the Define button
• Sketch a rectangle of 40x25 cm
• Click the small blue color check present at the bottom right of the screen.
• Type the extrusion depth you want
• Click the green check button to extrude
• Your drawing now becomes a solid model
Viewing your Drawing
• The Saved view list option, present in the Views toolbar gives you different options to look at your drawing from various perspectives
Adding a Hole
• Select the FRONT view
• Select Extrude 1 in the Model Tree located on the left of the screen
• Click the Extrude tool
• Placement > Define > Sketch
• Draw a circle at the center of the rectangle of 8cm diameter
• Next click the blue check button
• Your drawing will now look similar to this
• Click the Remove Material button
• Click the Standard Orientation view option
Extrusion direction
Extrusion depth
• Click the Extrude Direction button to change the direction of Extrusion
• Click the GREEN check button
Viewing the Image
Taken from Pro/Engineer Wildfire Instructor by David S. Kelley, pg. # 27
The Hole Tool
• Another way to make a hole
• Select the extruded surface as shown
• Hole Tool > Placement > Define > Sketch
Simple Hole
Standard Hole
Hole Diameter
Hole Depth
Hole diameter
Hole depth
Edge Reference Handle
• Select the Through All option
• Drag the green handles to their edges
– Type “2.00” in place of 2.47 & “4.00” in place of
3.82
• Click the green check button
• Use the MMB to rotate the solid model
Getting Ready to Model the Robot
• What we need
– Base
– Side Walls
– Shafts
– Wheels
– Top
– Motors
– Batteries