Tool Design Contents

CAE University > Courses > Creo Tool Design > Tool Design Contents

INTRODUCTION

INFO

The Introduction section elaborates the following concepts.

Manufacturing model
Reference model
Shrinkage
Automatic workpiece
Concept of Accuracy in Creo MOLD
Analyzing a part for its moldability
Concept of Parting Surface
How a split works
Creating mold components

EXERCISE 1

In this exercise user will practice the following

Creating a new manufacturing model
Assembling the reference model
Analyzing the part with Draft Check tool for its moldability
Analyzing the part for uniform thickness using Thickness Check tool
Adding shrinkage to reference model
Creating the Automatic workpiece
Defining the style state for workpiece
Creating the Flat parting surface.
Splitting the workpiece into two volumes
Extracting components out of split volumes
Creating an Extruded parting surface
Splitting a volume to One Volume
Splitting a volume to Two Volumes

EXERCISE 2

In this exercise user will practice the following

Retrieving a mold model
Redefining the Workpiece
Modifying a parting surface

MANUAL PARTING SURFACES

In this sub-section we will learn how to build the parting surfaces using manual surfacing techniques i.e. Extrude, Revolve, Surface Copy, Advanced Variable Section Sweep, Flat, Offset and Free Form surfaces.

EXERCISE 1

In this exercise user will practice the following

Creating a parting surface by using Extrude tool
Creating a parting surface by using Flat tool
Splitting the workpiece into two volumes using multiple parting surfaces

EXERCISE 2

In this exercise user will practice the following

Creating a parting surface by using Revolve tool

EXERCISE 3

In this exercise user will practice the following

Creating the parting surface using Copy Surface and Variable Section Sweep technique
Splitting the workpiece into two volumes using multiple parting surfaces.
Extracting components out of split volumes.

EXERCISE 4

In this exercise user will practice the following

Analyzing the part with Draft Check tool to determine the suitable location of parting surface
Filling the loops in a Copy surface
Creating an Offset parting surface
Creating the parting surface using “untrim” technique
Trimming a surface using edges of the reference part
Merging the surfaces
Splitting the workpiece into two volumes using multiple parting surfaces.

EXERCISE 5

In this exercise user will practice the following

How to fill a cut that cannot be filled with regular Creo Tool Design tools

EXERCISE 6

In this exercise user will practice the following

Creating a revolved surface
Creating parting surface interlocks
Creating stripper ring for ejecting the part off the Core

Moving Half Core Insert Stripper Ring and Base Plate

EXERCISE 7

In this exercise user will practice the following

How to create the local insert
How to split a mold that requires a local insert

EXERCISE 8

In this exercise user will practice the following

How to reference pattern a parting surface

EXERCISE 9

In this exercise user will practice the following

Creating a round workpiece
Trimming a surface to desired size
Transforming a surface
Creating variable section sweep surfaces
Merging the surfaces
Patterning a parting surface

Parting Surface and Reference Part1 — Parting Surface and Reference Part

AUTOMATIC PARTING SURFACES

INFO

In this section we will learn how to build the parting surfaces using Silhouette Curve and Skirt Surface techniques.

EXERCISE 1

Topics covered in this exercise are as follows

Creating an Automatic Parting Line using Silhouette Curve
Creating the Automatic Parting Surface using Skirt feature

Reference part with skirt parting surface

EXERCISE 2

Topics covered in this exercise are as follows

Creating an Automatic Parting Line using Silhouette Curve
Creating the Automatic Parting Surface using Skirt feature
Selecting the required loop for non-drafted walls

EXERCISE 3

Topics covered in this exercise are as follows

How the Direction of Silhouette Curve affects the resultant curve

EXERCISE 4

Topics covered in this exercise are as follows

Creating an Automatic Parting Line using Silhouette Curve
Creating the Automatic Parting Surface using Skirt feature
Customized filling of inner loops using Loop Closure option

EXERCISE 5

Topics covered in this exercise are as follows

Creating a slider for undercut condition
Handling undercuts during Silhouette curve definition
Using the Shutoff functionality of skirt surface to create parting surface interlocks

Stripper Plate with Interlock -- Design 1

Stripper Plate with Interlock -- Design 2

EXERCISE 6

Topics covered in this exercise are as follows

How to control the tangency of the skirt surface with reference part surfaces

Parting surface without Tangency conditions

Parting surface with Tangency conditions

EXERCISE 7

Topics covered in this exercise are as follows

Creating an Automatic Parting Line using Silhouette Curve
Creating the Automatic Parting Surface using Skirt feature
Using the Extension Control dialog box to exclude the unwanted segments of the selected curve from extension process.
Using the Extension Control dialog box to change the default direction of extension for skirt surface
Creating a lifter to form the undercut in reference part

EXERCISE 8

Topics covered in this exercise are as follows

Creating an Automatic Parting Line using Silhouette Curve
Creating the Automatic Parting Surface using Skirt feature
Using the Extension Control dialog box to exclude the unwanted segments of the selected curve from extension process.
Using the Extension Control dialog box to change the default direction of extension for skirt surface
Creating a lifter to form the undercut in reference part

EXERCISE 9

Topics covered in this exercise are as follows

Creating a parting surface using the Shutoff tool

SLIDERS AND LIFTERS

INFO

Sliders and lifters are an essential part of the mold assembly as they allow to form the undercuts in the product. In the following exercises we will learn different techniques to create the sliders and lifters with least effort.

EXERCISE 1

Topics covered in this exercise are as follows

Creating a slider for an undercut

EXERCISE 2

Topics covered in this exercise are as follows

Creating a Slider for the openings in the side wall of the reference part.

EXERCISE 3

Topics covered in this exercise are as follows

Creating a Lifter for the openings in the side wall of the reference part.

EXERCISE 4

Topics covered in this exercise are as follows

Creating a Slider for a cantilever snap
How to reference pattern a volume.

EXERCISE 5

Topics covered in this exercise are as follows

Creating a Slider by Gather technique.

EXERCISE 6

Topics covered in this exercise are as follows

Creating a Slider by Gathering and Sketching technique

EXERCISE 7

Topics covered in this exercise are as follows

Creating a Slider by Gather and Offset technique

MULTI-CAVITY MOLDS

INFO

In this section we will learn how to create pattern of reference parts for multi-cavity molds using the Layout dialog box.

EXERCISE 1

Topics covered in this exercise are as follows

Assembling the reference model using Layout dialog box
Creating the pattern of reference part
Creating parting surface for the patterned parts

EXERCISE 2

Topics covered in this exercise are as follows

How to control the orientation of reference parts.

EXERCISE 3

Topics covered in this exercise are as follows

How to create Automatic parting surface for multicavity mold.

Patterned Reference Part 1 — Patterned Reference Part

EXERCISE 4

Topics covered in this exercise are as follows

How to pattern a volume and parting surface.

Patterned Reference Part 2 — Patterned Reference Part

Moving Half Back Plate Stripper Plate Core Inserts

EXERCISE 5

Topics covered in this exercise are as follows

How to create Automatic parting surface for a multi-cavity mold model with different reference parts

Reference Parts with Parting surface ((Both parts are different)

FEED SYSTEM AND MOLDING

INFO

The feed system for a mold provides the path for the molten material to flow from the nozzle of the machine to the machined impression. This flow-way is called the Feed System.

EXERCISE 1

Topics covered in this exercise are as follows

Creating the runner system by defining a Runner feature
Creating the gates by defining a Runner feature
Creating the sprue by defining a revolved cut feature
Creating the molding for the cavity assembly
Creating the submarine gate

EXERCISE 2

Topics covered in this exercise are as follows

Creating the flow path for non-planar runner
Controlling the size of the branch runners
Creating the runner and gates by defining Runner feature
Creating the sprue and cold slug by defining a revolved feature
Creating the molding for the mold assembly

Multi-Cavity Molding with Sprue Cold Slug Runners and Gates

EXERCISE 3

Topics covered in this exercise are as follows

Creating the runner system by defining a Runner feature
Creating the gates by defining a Runner feature
Creating the sprue by defining a revolved cut feature
Creating the molding for the cavity assembly

EXERCISE 4

Topics covered in this exercise are as follows

Creating the Pin-point gates
Creating the Round Trapezoid runner
Creating the molding for the cavity assembly
Calculating the weight of feed system

Pin-Point Gate and Round Trapezoid Runner for Three Plate Mold

WATER LINE AND EJECTOR PINS

INFO

Waterline feature is used to create cooling channel in the mold components.

Ejector Pin Catalogue is used to assemble the ejector pins in the manufacturing assembly.

EXERCISE 1

Topics covered in this exercise are as follows

Creating the Water Line feature
Specifying End Condition for the channel.

Cooling Channels with Counter-bored Ends

MOLD ANALYSIS

INFO

Creo Tool Design provides a number of tools to ensure that mold cavity will perform satisfactorily during actual production. These tools verify that mold confirms to some minimum criteria set by the mold designer. These include

Water Line clearance check
Mold opening analysis
Parting surface check
Projected area calculation

EXERCISE 2

The topics covered in this exercise are as follows

Defining mold opening sequence
Checking interference during mold opening simulation

EXERCISE 1

In this exercise we will check the clearance between the waterlines and the surrounding surfaces of selected component.

Topics covered in this exercise are as follows

Checking the clearance for the given waterline

MOLD LAYOUT AND EMX

INFO

In this section we will discuss the Mold Layout functionality. We will also describe the benefits EMX (Expert Moldbase Extension) over Mold Layout.