moulds design and processing hand book

MOULDS  DESIGN AND PROCESSING HAND BOOK

MOULDS

What is Mould ?
Size of the Mould
What is Hot Runner Mould?
What  is  the Classification of Mould?
What are the elements of Mould ?
Injection Mould
Non Self Degating two Plate Mould
Three Plate Injection
Insulated Runner Mould

CLASSIFICATION OF MOULD

Hot Runner Mould
What is Gate? What are the Types of Gate?
What is Classification of Moulds
Distinction of Moulds According to Primary Design Features
Criteria Leading to a Characteristic Mould Designation
What is the Roll of Feed System- Sprue and Runner?
Types of Runner Layout
Factors Affecting Runner System
Demands of Runner  System
Functions of Runner
Cross Sectons of Runners
Balanced Runner System
What are the Limitions of the Gate?

VENT IN THE MOULD

What is Vent in the Mould
Gates - Classification
Different Types of Gates
Application of Various Types of Gate
Cross - Section of Gate and their Position Relative to Runner
What is the Significance of Wall Thickness of Part?
What is the Significance of Cooling System in the Mould?
What are the Design Considerations for Cooling System in the Mould?
What is the Importance of Mould Temperature Control
What are Factors influencing Uniformity of Mould  Surface Temperature?
How Does heat Exchange  Take Place in the Injection Mould?
Cooling System
Cooling System in Moulds-Design
Cooling System for Flat Parts

EJECTION MECHANISM

How Does the Ejection Mechanism Work?
What are the other Types of Ejector Mechanism?
Ejection in three Plate Mould
What is Core-Pull Mechanism? How Does it Work
Basic  Steps  for Mould Design
Check List for a Turnkey Mould project
Injection Mould Specification Sheet
Work Sheet for Selection of Steel for mould
Types of Demoulding
Type of Finish
Machine Specifications Recommended
Auality Check List

PRODUCTION SCHEDULE OF PLASTIC  INJECTION MOULD

Details of Job- Order for Moulding Shop
Mould Details
Machine Recommended

STEEL FOR INJECTON MOULD

What are the factors to be Considered While Selecting Steel for Injection Mould?
What are the Essential Characteristics Desired in Mould Steel?
Toughness
Nominal Chemistries for Plastic Mould Steels
What steel is recommended for core and cavity?
Application of Mould steel
what are the Mechanical Design Factors to be considered for Injection Mould ?

TROUBLE SHOOTING TIPS

Property Comparision of Popular Mould Steel
heat Treatment of Plastic Mould Steels
How can we ensure good performance for the Mould?

PROPERTIES OF PLASTICS

Properties of Plastics
Mould Steel for Plastics ability of Steel on heat Treatment
Data on Mould Surface Treatments
Properties of Steel heat Treatment
Effect of Alloying Elements in Steels  used for Mould Making
Tooling Materials  Recommended for Various Plastics processes
Mould Materials  and its Applications
Spectrum of material used in building
Moulds- Arranged  in order of Surface Hardness
List of Mould Parts and Corresponding Steels to be used
Mould Finish Characteristics
Typical Applications for Steels in Injections Moulds
Applications for the Typical Mould Steels
Alloy Steels Used in Mould Making
Stainless Mould Steels Identifying Elements
Precipitation Hardening Steels used in Mould Making
Bismuth- Tin Alloys (Cerro Alloys) for Injection Mould 
Cast Steels  for Injection Moulds, Composition- Treatment-Properties
Technical Data of Beryllium- Copper Alloys
Blow Mould Tools Materials
Properties of Blow Mould Material
Maraging Steels
Mould Materials- Equivalent Standards
High-Grade Zinc Alloys for Injection Moulds
General Recommendations on Steel for Core/Cavity Inserts
Aluminium Alloys for Injection Moulds

INJECTION MOULD DESIGN

Determination of Number of Cavities based on the Machine Capacity(Technological Method)
Election of the Injection Moulding Machine
The Design of Runner
Runner Diameters for Unifilled Material
Pressure Drop in Runner System
Strength of Cavity
Determination of Support Pillar Requirements
Strength of Guide Pillars
Thermal Properties of Plastics
Thermal Conductivity of Plastic and metals Details
Recommended Fits Used in Injection and Compression Mould
O-Ring Fitting Details for Sealing a Curved Surface
O-Ring Fitting Details for Sealing a Flat Surface
Mould Cooling
Cooling Time
Ejection System
Force Required in Ejection

COMPRESSION AND TRANSFER MOULD-POT CALCULATIONS

Calculation Aspects
Selection Moulding Method-Compression or Transfer
Economic Determination of the Number of Cavities in Moulds

BLOW MOULD DESIGN ASPECTS

Blow Moulding Temperatures and Pressures
Tolerance Guidelines for Blow Moulded parts
Wall Thickness
Properties of blow Mould Materials
Recommended Blow Mould Tool Material and their properties
Recommended Mould Shrinkage Value for Different Plastic Materials
Other Parameters Related to Blow Mould Design
Effect of Shear Rate on Die Swel of Various Thermo Plastic
Mould Shrinkage
Typical Blow Moulder Size  and Capacity
Standard Mould parts

STANDARD MOULD PARTS

CONVERSION TABLE

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