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Pro/MOLDESIGN Technical Tutorial. Scott Morris Product Manager Tooling Applications Pradeep Tilak Quality Assurance Engineer Tooling Applications. Pro/MOLDESIGN Technical Tutorial. How Can I ... Understand Pro/MOLDESIGN’s Basic Elements? Establish a Consistent Design Process?

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pro moldesign technical tutorial

Pro/MOLDESIGN Technical Tutorial

Scott Morris

Product ManagerTooling Applications

Pradeep Tilak

Quality Assurance EngineerTooling Applications

pro moldesign technical tutorial1
Pro/MOLDESIGN Technical Tutorial

How Can I ...

Understand Pro/MOLDESIGN’s Basic Elements?

Establish a Consistent Design Process?

Use Simple Shapes to Define Complex Shapes?

  • What is Pro/MOLDESIGN?
  • Pro/MOLDESIGN Process
    • Defining Mold Components
      • Choosing a simple technique
      • Creating parting geometry
      • Organization of the features
    • Pro/MOLDESIGN Advantages
what is pro moldesign
What is Pro/MOLDESIGN?
  • Software Tool for Defining the Components of Plastic Injection Mold
pro moldesign workflow
Pro/MOLDESIGN Workflow

Ref Model

Parting Geometry

Mold Components

Work Piece Model

Work Flow

pro moldesign process

1. Combine Reference Model and Work PieceAssemble Components Into Mold Model

2. Create Intermediate SolidCreate Trimmed Mold Volume

3. Create Parting GeometryCreate Parting Surfaces and Volumes

4. Intersect Intermediate Solid with Parting GeometryCreate One Volume Splits for Components and a Two Volume Split for Core & Cavity

5. Create Solid ModelsExtract Split Volumes

defining the process step 1
Defining The Process - Step 1

Combine Reference Model and Work Piece Model

reference model
Reference Model

Parametric Link to Design Model

Merge by Reference

Manufacturing Instance for:


Draft, ect.

workpiece model
Defines Overall Size of Mold Inserts

Reference Only

No Geometry Is Altered


Simple Block

Detailed Unit

Workpiece Model
defining the process step 2
Defining The Process - Step 2

Create Main Intermediate SolidMold Volume

Gather Mold Volume Using Srf&Bnd

Trim Reference Model from Volume


Gathered Volume

Trimmed Volume

main intermediate solid
Main Intermediate Solid

What Is It?

A Closed Set of SurfacesMold Volume

Defines the Overall Size of the Mold Inserts

Defines the Contours of the Part to be Molded

main mold volume
Main Mold Volume

Why Create It?

Source of All IntersectionsSplits

Consumable Geometry

Geometry Visualization

Interference Checking

product demonstration
Product Demonstration

Process Steps 1 & 2

Assemble Reference Model

Assemble Work piece Model

Create Main Volume

defining the process step 3
Defining The Process - Step 3

Create Parting GeometryParting Surfaces & Mold Volumes

Open and Closed Surfaces

Intersect the Main Volume To Define Individual Mold Component(s)

Consists of:

Geometry for Individual Components

Geometry for Main Parting Line (core/cavity)

parting geometry
Parting Geometry

Parting Surfaces

Open Quilts

Mold Volumes

Closed Quilts

how to define the parting geometry
How To Define The Parting Geometry?

Surface Modeling

Solid Modeling


“Blanket” Surface

“Swiss Cheese” Surface

swiss cheese parting surface
Swiss Cheese Parting Surface

1. Fill Rectangular Slots

4. Core Pin

2. Fill Back Cut Out

3. Core/Cavity Surface

offset parting surface
Offset Parting Surface

Create Surface Copy

Fill All Inner Loops

Create Offset Surface From Copy

Surface Copy

Fill Loops


product demonstration1
Product Demonstration

Fill Rectangular Slots

fill back cut out
Fill Back Cut Out

Parting Surface Options

Copy Original

Surface Before

Cut Was Created




Surface Patch

Surface Patch?

product demonstration2
Product Demonstration

Fill Back Cut Out

core cavity parting surface
Core/Cavity Parting Surface

Flat, Extrude, Extend, Blend, Merge?

product demonstration3
Product Demonstration

Create Main Parting Surface

core pin surface
Core Pin Surface

Gather, Revolve, Extend, Trim Volume?

product demonstration4
Product Demonstration

Create Core Pin Surface

defining the process step 4
Defining The Process - Step 4

Intersect Main Volume with Parting Geometry

One Volume Split

As Required for Each Mold component

Two Volume Split

Final Split to Divide Core & Cavity

the geometry calculator
The Geometry Calculator

What Is Split?

Calculation of Resulting Volumes When Main Volume is Intersected by the Parting Geometry

How Many Volumes to Find?

One Volume Split

Two Volume Split

What to Split From?

Mold Volume

Work Piece

the geometry calculator1
The Geometry Calculator






the geometry calculator2
The Geometry Calculator






product demonstration5
Product Demonstration

Split Core Pin with One Volume Split

Split Core/Cavity with Two Volume Split

defining the process step 5
Defining The Process - Step 5

Create Solid Models

Extract Split Volumes

product demonstration6
Product Demonstration

Create Solid Models

organization of the model
Organization of the Model

Reference Model

Work Piece

Main Volume

Parting Geometry

Split Volumes

Extracted Mold Components

process advantages
Process Advantages

Creating Simple Shapes and Having Pro/MOLDESIGN Calculate the Complex Shapes

Minimize Complex Surface Creation

Do not need to fill “gaps” where core pins or inserts will be utilized


process advantages1

External References

Parent/Child Relationships

Design Flexibility

Design Changes

Concurrent Engineering

Maintenance & Conditioning

Process Advantages