constructive solid geometry concepts
DESCRIPTION
Constructive solid geometry concepts. Inventor Tutorial D3. Locator. This is the object we are going to work on There are always several different ways to create the 3D objects. Think ahead about the different additions, and cuts you will make. Do 1. Start a new METRIC part - PowerPoint PPT PresentationTRANSCRIPT
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CONSTRUCTIVE SOLID GEOMETRY CONCEPTSInventor Tutorial D3
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LOCATOR This is the object we are going to work on There are always several different ways to create the 3D objects.
Think ahead about the different additions, and cuts you will make.
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DO 1 Start a new METRIC part
Click on Metric under templates Then choose Standard(mm).ipt
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DO 2 Make the Origin
Components Visable Start a New Sketch on
the XZ Plane We are going to make
the base feature This is the primary
solid feature of the model
Make a two point rectangle, the base should be aligned to the X axis
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DO 3 Add the
dimensions You can always go
back and edit dimensions
If you don’t have a tool selected you can move dimensions around
Set the dimensions as shown
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USING THE MEASUREMENT TOOL Change to the Inspect tab of the
ribbon Choose Area Click the closed shape, and you
can see the area of that shape We can use loop to find the
perimeter
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DO 4 Extrude the Shape 15mm DOWN Look at the bottom of the Shape,
it should look like mine (your yellow work planes might look different)
Create a new 2d Sketch based on the bottom face
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DO 5 Draw a circle from the mid point
(your cursor will turn green), to the outside edge of the rectangle
Finish your sketch
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DO 6 Go to the home view,
your view should look like mine, if it doesn’t, use the cube to fix it, so that it does match
Extrude it up 40, but don’t click OK yet
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SOLID GEOMETRY ACTIONS
Union/Join• Make one new
combined shape
Cut• We remove a
portion of the shape
Intersect• We only keep
the part where the two shapes overlap
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DO 7 Finish the extrude Create another 2d Sketch on the
top face of the cylinder
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DO 8 Draw a circle based
on the cylinder’s center point
Add a Dimension, and set the diameter to 30mm
Finish the Sketch
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DO 9 Extrude the shape down and cut
the circle Set the Extents to ALL Finish the Extrude
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DO 10 Now we are going to add a
Placed Feature Instead of creating a new
sketch to add a hole, we are going to use the hole tool
Click Hole Tool
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REQUIRED GEOMETRY A linear hole needs
three pieces of geometry Face Reference 1 Reference 2
To set them, click the arrow, then pick the geometry
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DO 11 Pick Face, then select the
horizontal top face shown
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DO 12 For reference 1, choose the top
edge Set dimension to 25
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DO 13 For reference 2, choose the right
edge Set dimension to 30
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DO 14 Set the drill size to 20mm and
make sure Termination is set to through all
Click OK
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DO 15 Create a new 2D Sketch on the
Right vertical sketch as shown
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DO 16 Make a rectangle as shown,
and add the required dimensions
Finish the sketch
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DO 17 Extrude the
rectangle Cut towards the
hole Set the Extents to
To Next, that will make it go until it hits something different (like the hole
Finish the Extrusion
Save the file as d3.locator
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TWO EXERCISES Ask me for the two exercises for this assignment, they are on a separate
sheet.