Version 5 Release 19 January 2009 EDU_CAT_EN_CCV_FX_V5R19
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Core and Cavity Design Student Notes:
Table of Contents Master Exercise Step 1: Importing the Part to Mold Do It Yourself
Master Exercise Step 2: Defining the Main Pulling Direction Do It Yourself
Master Exercise Step 3: Defining a Slider Direction Do It Yourself
Master Exercise Step 4: Working on Mold areas Do It Yourself
Master Exercise Step 5: Creating a Parting Line Do It Yourself
Master Exercise Step 6: Creating the Parting Surface Do It Yourself
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Additional Exercise: The Support Design Intent: The Support Design Process: The Support Step 1: Checking & Reworking the Orientation of Faces Step 2: Defining the Mold Areas Step 3: Creating the Bounding Box Step 4: Comparing two Versions of the Part
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5 6
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Core and Cavity Design
Master Exercise
Student Notes:
The Pan Handle - Step 1: Importing the Part to Mold 5 min
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In this step, you will import the Part to Mold into the Core & Cavity Design workbench.
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Core and Cavity Design
Do It Yourself
Student Notes:
Part used: PanHandle.CATPart
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Create a new Product Enter workbench Core & Cavity Design Import the CAT Part file Select the Geometrical Set.1 and the Surface Select Bounding box center as origin of Axis System Apply Scaling 1.05 as Shrinkage factor
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Core and Cavity Design
Master Exercise
Student Notes:
The Pan Handle - Step 2: Defining the Main Pulling Direction. 15 min
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In this Step, you will learn to analyze a pulling direction and related draft angles, to make sure the part can be unmolded and to choose the best pulling direction for the Part.
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Core and Cavity Design
Do It Yourself (1/2)
Student Notes:
Part used: Master_Exercise_Step_2.CATProduct
Select the surfaces and click Pulling Direction Analysis in the Pulling Direction toolbar.
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Locate the compass on different surfaces to analyze and check the proposals of the dialog box for the direction of compass. Select the Opposite Direction check box to visualize the zones that must be un molded in the opposite direction. Select the Fly Analysis check box to display the normal to the face and the angle value between the pulling direction and the normal.
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Core and Cavity Design
Do It Yourself (2/2)
Student Notes:
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Define main Pulling Direction Analyze the effect of moving the compass and changing the draft angle Use option Undercut Use option Facets display and Facets to ignore to find out why side faces remain cyan rather than turning green Use Local Transfer to refine Core and Cavity sides Check result with option Explode View
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Core and Cavity Design
Master Exercise
Student Notes:
The Pan Handle - Step 3: Defining a Slider Direction 10 min
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In this Step, you will learn how to create an additional Pulling Direction to take into account an undercut area.
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Core and Cavity Design
Do It Yourself
Student Notes:
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Part used: Master_Exercise_Step_3.CATProduct
Define the Slider area Use the axis of the hole as the slider direction If necessary, transfer elements from a body to another
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Core and Cavity Design
Master Exercise
Student Notes:
The Pan Handle - Step 4: Working on Mold areas 20 min
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In this Step, you will learn how to refine the design of mold areas.
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Core and Cavity Design
Do It Yourself
Student Notes:
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Part used: Master_Exercise_Step_4.CATProduct
Transfer relevant faces (if any) between mold areas Create the Reflect Line corresponding to the actual position of the parting line Split faces of Cavity area according to the Reflect Line Aggregate content of mold areas into datum join surfaces Check that there is only one surface left in each mold area Check the result with Explode View
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Core and Cavity Design
Master Exercise
Student Notes:
The Pan Handle - Step 5: Creating a Parting Line 25 min
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In this Step, you will learn how to design a parting line.
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Core and Cavity Design
Do It Yourself (1/2)
Student Notes:
Part used: Master_Exercise_Step_5.CATProduct This step shows you how to create the parting line that separates the core and the cavity of a mold. Within this action, you can initialize the parting line with the Reflect Line or the Chaining Edges actions. Then you modify and complete it using the Spline or Chaining Edges and the Selector tool.
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Create the Parting Line using Parting Line Function.
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Core and Cavity Design
Do It Yourself (2/2)
Student Notes:
This step shows you the way to create the cavity, the core and the slider of a mold.
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Import the Part to mold Create the Parting Line Split faces of Cavity area according to the Parting Line Continue and finish with the classical method to create the parting surface
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Core and Cavity Design
Master Exercise
Student Notes:
The Pan Handle - Step 6: Creating the Parting Surface 25 min
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In this Step, you will learn how to create the external Parting Surface for the Molded Part. Finally you will create the surfaces needed for mold design with Mold Tooling Design.
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Core and Cavity Design
Do It Yourself (1/2)
Student Notes:
Part used: Master_Exercise_Step_6.CATProduct
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Create a rectangular sketch in the XY plane Create the Extrude and Loft elements of the external Parting Surface using dedicated function Parting Surface Complete the design of the external Parting Surface with Sweep surfaces
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Core and Cavity Design
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Do It Yourself (2/2)
Student Notes:
Use Parting Surface to create the parting surface round the slider Fill the hole of the slider surface and the hole of the cavity surface Join the surfaces as required and publish them as: Core Surface Cavity Surface Slider Surface1
Part used: Master_Exercise_Step_End.CATProduct
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Core and Cavity Design
Additional Exercise
Student Notes:
The Support 0.5 hour
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In this exercise you will perform some basic CCV tasks You will split the part into Core, Cavity and Other area, You will compare the part with a new version Finally you will replace the part by its new version in order to go on with the mold design
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Core and Cavity Design
Design Intent: The Support
Student Notes:
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Import the Part Check the Orientations Define the Mold Areas Create the Bounding Box Compare with a new version of the Part
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Core and Cavity Design Student Notes:
Design Process: The Support 1 Import the Part to Mold
2 Check the orientation
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4
Define the Mold Areas
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Create the bounding box
5 Compare with a new model
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Core and Cavity Design
Additional Exercise
Student Notes:
The Support - Step 1: Checking & Reworking the Orientation of Faces
15 min
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In this Step, you will see how to import a Part defined as a set of loose Surfaces, check and modify the orientation of relevant Surfaces.
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Core and Cavity Design
Do it Yourself
Student Notes:
Import: Support.CATPart
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Create a new Product Enter workbench Core & Cavity Design Import the part as a Set of loose surfaces: Select Bounding box center as origin of Axis System Apply ratio = 1.1 as scaling factor Check the orientation of Surfaces according to direction: DX=0, DY=1, DZ=0 Reverse surfaces as required to get a consistent orientation all over the part
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Core and Cavity Design
Additional Exercise
Student Notes:
The Support - Step 2: Defining the Mold Areas 5 min
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In this Step, you will see how to define the Mold Areas of the Part corresponding to the Main Pulling Direction.
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Core and Cavity Design
Do it Yourself
Student Notes:
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Part Used: Additional_Exercise_Step_2.CATProduct
Define the Main Pulling Direction (DX=0, DY=1, DZ=0) Use option Facets to Ignore Use capability Local Transfer to refine Core and Cavity areas Check result with function Exploded View
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Core and Cavity Design
Additional Exercise
Student Notes:
The Support - Step 3: Creating the Bounding Box 5 min
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In this Step, you will see how to create a Bounding Box around the Molded Part.
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Core and Cavity Design
Do it Yourself
Student Notes:
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Part Used: Additional_Exercise_Step_3.CATProduct
Use function Bounding Box Select all the surfaces with a trap Keep the default Direction and the default values for the Box Definition
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Core and Cavity Design
Additional Exercise
Student Notes:
The Support - Step 4: Comparing two Versions of the Part 5 min
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In this Step, you will see how to perform a geometric comparison of two version of the Molded Part.
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Core and Cavity Design
Do it Yourself (1/2)
Student Notes:
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Part Used: Additional_Exercise_Step_4.CATProduct
Use function Compare to check the geometrical differences with new version of the part:
Compare With: NewSupport.CATPart
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Core and Cavity Design
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Do It Yourself (2/2)
Student Notes:
Check added and removed surfaces Transfer added surfaces to their destination mold area Aggregate Core, Cavity and Other with datum joins You are ready to resume your mold design process with the new version of the part.
Jan 19, 2009 - Core and Cavity Design: General Process Parting Line-Split. 15 .... example using dedicated workbench Healing Assistant (HA1). ..... Pulling Direction, with respect to the value of parameter Draft angle defined in the dialog box. ....
Jan 19, 2009 - General Design Tools and Analysis Tools ... Project a point or a curve ..... belong to the same Mold area as the other facets (e.g. because the ...
Jan 19, 2009 - Table of Contents ... Step (5): Creating the Parting Line. .... click part in specification tree) and select workbench Core & Cavity Design.
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