Version 5 Release 19 August 2008 EDU_CAT_EN_LO1_FX_V5R19
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2D Layout for 3D Design Student Notes:
Table of Contents Recap Exercise: Front Fork 2D Design Do It Yourself
Recap Exercise: Front Rear Sprocket Design Process: Front Rear Sprocket Creation Do It Yourself
Recap Exercise: Front Fork 3D Design Do It Yourself
Master Exercise: Engine Assembly Design Intent Design Process Master Ex Step 1: Create a New Parts Master Ex Step 2: Design 2D Layout Views Master Ex Step 3: Create 3D Design Master Ex Step 4: Create Drawing Views
Additional Exercise: Tyre Assembly
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12 13 14 15 17 24 54
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Do It Yourself
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2D Layout for 3D Design
Front Fork
Student Notes:
Recap Exercise 40 min.
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In this exercise you will create the 2D geometry for the front fork.
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2D Layout for 3D Design Student Notes:
Do It Yourself Open the “Front_fork_step0.CATPart” 1
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Extract the 3D profiles from the layout the front and the auxiliary view of the front. Combine these 2 profiles
Create two planes normal to this combine curve at its extremities. Create section views on these Planes. Define the geometry of these section views.
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Open Front_fork_step0.CATPart
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2D Layout for 3D Design
Front Rear Sprocket
Student Notes:
Recap Exercise 20 min
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In this exercise you will create the following 3D part from a 2D layout
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2D Layout for 3D Design Student Notes:
Design Process: Front Rear Sprocket Creation You will be creating a Front Rear Sprocket using the following Design Process. 1
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Open the CATPart.
Create the 3D profile (explicit definition on a plane defined by a planar surface of the shaft ) to create the sprocket pocket
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Extract the 3D profile (automatic propagation, no support ) to create the shaft defining the sprocket
Create the other teeth using pattern capability
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Extract the 3D profile (explicit definition on a plane defined by a planar surface of the shaft ) to create the first tooth with a pocket
Create the other pockets with pattern capability
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2D Layout for 3D Design
Do It Yourself (1/3)
Student Notes:
Open the “FrontRearSprocket_step1.CATPart”
Extract the 3D profile of the sprocket shaft from the provided section view. Using the 3D Planes functionality, create two 3D planes with the help of the axes in the front view. Create an intersection of the two 3D planes.
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Create the shaft using the intersection as the shaft axis.
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2D Layout for 3D Design
Do It Yourself (2/3)
Student Notes:
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Extract 3D profile on a planar face of the tooth. Create a Pocket using the created 3D profile. Pattern 30 instances of the Pocket around the complete crown. This will create 30 teeth on the Sprocket.
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2D Layout for 3D Design
Do It Yourself (3/3)
Student Notes:
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Extract 3D profile on a planar face of the sprocket. Create a Pocket using the created profile. Pattern 4 instances of the Pocket around the complete crown.
You can compare your result with the end model “FrontRearSprocket_end.CATPart”
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2D Layout for 3D Design
Front Fork 3D Design
Student Notes:
Recap Exercise 20 min.
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In this step you will create the following 3D part from a 2D layout
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2D Layout for 3D Design Student Notes:
Do It Yourself Open the “Front_fork_step0.CATPart” 1
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Open the Front_fork_step0.CATPart
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Create the Section View A-A and Section View C-C as shown.
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Complete the fork design using the Front view and the Auxiliary view D
Create 3D profiles of Section views A-A and C-C. Create the shape of a fork with these 3D profiles and their combine curve using the Multi-sections Solid.
You can compare your result with “Front_fork_step5.CATPart”
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2D Layout for 3D Design Student Notes:
Engine Assembly Master Exercise Presentation 85 min
In this exercise you will design the components of the Piston Assembly. The piston and the connector are to be designed in the context of the Piston Assembly.
Piston
You will design these components using the following steps in the 2D Layout for 3D Design workbench:
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Defining 2D profiles using 2D Layout views Creating 3D elements by exporting the required 2D profiles Completing the 3D design
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Rod
Crankshaft Connector Engine Assembly
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2D Layout for 3D Design
Engine Assembly – Design Intent
Student Notes:
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In this exercise, you will design the components of the Piston_Assembly in a 2D environment. You will create 2D layout views of the Connector and Piston.
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2D Layout for 3D Design Student Notes:
Engine Assembly - Design Process 1
Edit Product Piston_Assembly and insert new parts: Piston and Connector 2
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Design 2D Layout views for Piston and Connector
Complete 3D Design of Piston and connector
Create Drawing from 2D Layouts
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2D Layout for 3D Design
Engine Assembly
Student Notes:
Step 1: Create New Parts 5 min
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In this step you will create new parts: Piston and Connector in the Piston Assembly.
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2D Layout for 3D Design Student Notes:
Do It Yourself Document used: LO1Engine_Step1.CATProduct
Edit ‘Piston Assembly’ inside the root product. Insert the following new CATParts: ‘Piston’ ‘Connector’
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Save the assembly using ‘Save Management’ as “LO1Engine_Step2.CATProduct”. Save the new CATParts.
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Engine Assembly
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2D Layout for 3D Design Student Notes:
Engine Assembly Step 2: Design 2D Layout Views 30 min
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In this step, you will design the 2D Layout Views of the Piston and Connector parts using the 2D Layout for 3D Design workbench.
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2D Design of Piston
2D Design of Connector
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2D Layout for 3D Design Student Notes:
Do It Yourself (1/6) Document used: LO1Engine_Step2.CATProduct
You will design the 2D views for the Connector.
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Edit the Connector part. Switch to ‘2D Layout for 3D Design’ workbench. Keep the new layout creation parameters as shown. Modify the sheet properties and set the parameters as shown.
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Sheet Properties Window
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2D Layout for 3D Design Student Notes:
Do It Yourself (2/6) Create a new Auxiliary view using ‘New view From’ tool using yz plane as a reference plane. Create a 2D profile of the ‘Connector’ using the dimensions as shown. The inside diameter of the hole at the larger end of the Connector is equal to the shaft diameter of the Crank case.
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Auxiliary View A
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2D Layout for 3D Design Student Notes:
Do It Yourself (3/6) Create a new section view as shown below.
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Section View B-B
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Section View B-B
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2D Layout for 3D Design Student Notes:
Do It Yourself (4/6) You will now design the 2D views for the Piston. Edit the Piston part. Create a new auxiliary section view using ‘New view From’ tool using yz plane as a reference plane.
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Project this edge from the smaller end of the Rod and fix it.
Section View A-A
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2D Layout for 3D Design Student Notes:
Do It Yourself (5/6) Create a new auxiliary section view using ‘New Section/Auxiliary View’ tool using the reference element as shown. Create an additional section view C-C using the folding lines as shown.
Section View C-C
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Auxiliary View B
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2D Layout for 3D Design Student Notes:
Do It Yourself (6/6)
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Create an additional auxiliary section view from Section View C-C.
Activate the root CATProduct and save the assembly as “LO1Engine_Step3.CATProduct”
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Section View D-D
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2D Layout for 3D Design Student Notes:
Engine Assembly Step 3: Create 3D Design 45 min
In this step, you will create the 3D design of Piston and Connector from their 2D views.
Piston
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Existing Rod
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Connector
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2D Layout for 3D Design Student Notes:
Do It Yourself (1/29) Document used: LO1Engine_Step3.CATProduct
Edit Connector part.
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Create the 3D profile from the Section view B-B using ‘3D Profile’ tool.
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Output profile
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2D Layout for 3D Design Student Notes:
Do It Yourself (2/29) Create a plane using ‘3D Plane’ tool and passing through the vertical line in the Section view B-B as shown. Output plane
Create another plane using ‘3D Plane’ tool and passing through the vertical line in the Section view B-B as shown.
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Output plane
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2D Layout for 3D Design Student Notes:
Do It Yourself (3/29)
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Output the 3D profile of the connector on Plane 2DL.1 from the Section view A-A using ‘3D Profile’ tool.
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Output profile
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2D Layout for 3D Design
Do It Yourself (4/29)
Student Notes:
Create a pad using following inputs: Use ‘Profile2DL.1’ as input profile Plane2DL.2 as limit plane
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Create a pad using following inputs: Use ‘Profile2DL.2’ as input profile Use ‘Up to next’ as limit type
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2D Layout for 3D Design
Do It Yourself (5/29)
Student Notes:
Create a Mirror of using Current Solid as object to mirror and face of the pad as mirror plane.
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Create Edge fillets of 1mm as shown
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2D Layout for 3D Design
Do It Yourself (6/29)
Student Notes:
Create Edge fillets of 1mm as shown
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Create Edge fillets of 0.8mm as shown
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2D Layout for 3D Design
Do It Yourself (7/29)
Student Notes:
Create Edge fillets of 0.5mm as shown
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Create a through hole of Diameter 5mm and position as shown
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2D Layout for 3D Design
Do It Yourself (8/29)
Student Notes:
Create a mirror of the hole using zx plane as mirroring element
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Create Edge fillet of 1mm as shown
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2D Layout for 3D Design Student Notes:
Do It Yourself (9/29) Edit Piston part. Create the 3D profile of the piston from the Auxiliary view B-B using ‘3D Profile’ tool.
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Output profile
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2D Layout for 3D Design Student Notes:
Do It Yourself (10/29) Create another 3D profile of the piston from the Auxiliary view B-B using ‘3D Profile’ tool.
Output profile
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Output this profile
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2D Layout for 3D Design Student Notes:
Do It Yourself (11/29) Create a plane using ‘3D Plane’ tool and select the horizontal line in the Section view A-A as shown. Output Plane
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Select this line
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2D Layout for 3D Design
Do It Yourself (12/29)
Student Notes:
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Create a pad using following inputs: Use ‘Plane2DL.1’ as limit plane Use ‘Profile2DL.1’ as input profile
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2D Layout for 3D Design
Do It Yourself (13/29)
Student Notes:
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Create a plane using ‘3D Plane’ tool and passing through the horizontal line in the Section view A-A as shown.
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2D Layout for 3D Design
Do It Yourself (14/29)
Student Notes:
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Create a pocket using following inputs: Use ‘Plane2DL.2’ as limit plane Use ‘Profile2DL.2’ as input profile
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2D Layout for 3D Design Student Notes:
Do It Yourself (15/29)
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Insert a new Body in the ‘Piston’ and activate this body. Create a plane using ‘3D Plane’ tool and passing through the vertical line in the Section view C-C as shown.
Select this line
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Output Plane
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2D Layout for 3D Design Student Notes:
Do It Yourself (16/29) Create another 3D profile of the piston from the Section view A-A using ‘3D Profile’ tool. Use ‘Plane2DL.4’ as Support Plane.
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Output profile
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2D Layout for 3D Design
Do It Yourself (17/29)
Student Notes:
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Create a pad using following inputs: Use ‘Profile2DL.6’ as input profile
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2D Layout for 3D Design Student Notes:
Do It Yourself (18/29) Create a plane using ‘3D Plane’ tool and passing through the vertical line in the Section view C-C as shown. Select this line
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Output Plane
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2D Layout for 3D Design Student Notes:
Do It Yourself (19/29)
Output profile
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Create a 3D profile of the piston from the Section view A-A using ‘3D Profile’ tool. Use ‘Plane2DL.5’ as Support Plane.
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2D Layout for 3D Design
Do It Yourself (20/29)
Student Notes:
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Create a pad using following inputs: Use ‘Profile2DL.7’ as input profile Direction as shown
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2D Layout for 3D Design
Do It Yourself (21/29)
Student Notes:
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Create a Mirror of Body.2 using yz plane as mirroring element
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2D Layout for 3D Design Student Notes:
Do It Yourself (22/29) Insert a new Body in the ‘Piston’ and activate this body. Create a plane using ‘3D Plane’ tool and passing through the vertical line in the Section view C-C as shown.
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Output plane
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2D Layout for 3D Design Student Notes:
Do It Yourself (23/29) Create a 3D profile of the piston from the Auxiliary view D-D using ‘3D Profile’ tool. Use ‘Plane2DL.7’ as Support Plane.
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Output profile
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2D Layout for 3D Design
Do It Yourself (24/29)
Student Notes:
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Create a pad using following inputs: Use ‘Profile2DL.13’ as input profile Direction as shown
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2D Layout for 3D Design Student Notes:
Do It Yourself (25/29) Create a 3D profile of the piston from the Section view A-A as shown.
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Output profile
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2D Layout for 3D Design
Do It Yourself (26/29)
Student Notes:
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Create a pad using following inputs: Use ‘Profile2DL.14’ as input profile Face of Pad.8 as limit
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2D Layout for 3D Design
Do It Yourself (27/29)
Student Notes:
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Create a Mirror of Body.3 using yz plane as a mirror plane.
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2D Layout for 3D Design
Do It Yourself (28/29)
Student Notes:
Activate PartBody. Perform a Boolean operation ‘Add’ and select ‘Body.2’ as a body to be added to PartBody.
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Perform a Boolean operation ‘Remove’ and select ‘Body.3’ as a body to be removed from PartBody.
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2D Layout for 3D Design
Do It Yourself (29/29)
Student Notes:
Add a 2mm x 45 deg chamfer on the top edge of the Piston as shown.
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Activate the root CATProduct and save the assembly as LO1Engine_Step4.CATProduct
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2D Layout for 3D Design
Engine Assembly
Student Notes:
Step 4: Create Drawing Views 5 min
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In this step, you will create drawing views of the Connector and Piston from the 2D views.
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2D Layout for 3D Design
Do It Yourself
Student Notes:
Document used: LO1Engine_Step4.CATProduct
Edit Connector part. Switch to 2D Layout for 3D Design workbench. Switch to Drafting workbench and create a new Drawing with the sheet parameters and the layout as shown.
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Save the Drawing as Connector.CATDrawing.
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2D Layout for 3D Design
Tyre Assembly
Student Notes:
Additional Exercise 60 min.
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In this exercise you will modify the design changing the tire diameter from 32mm to 25mm.
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2D Layout for 3D Design Student Notes:
Do It Yourself Open the “Tyre_assembly.CATProduct” 1
Open the Tire_assembly.CATProduct 2
3
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Insert the valve in the assembly and position it
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Change the tire and rim diameter from 32mm to 25mm
Create a new layout CATPart to design the air valve. Use the provided catalog to design the valve. Instantiate the 2D component, explode it, create the 3D profile and the shaft
Complete the layout dress-up and extract the associated CATDrawing
Open the “Tyre_assembly_step3.CATProduct” and compare your end result.
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