Reading Assignment
Suggested Reading
- Die Design Fundamentals: A Step by Step Introduction
- Handbook of Die Design
- Die Design Handbook
- Die Design Factors (PDF)
- Dayton Tech Publications
- Optimization of stamping tools to process very high strength steels ; comparison of cold work tool steels
- Sheet Metal Forming Processes (TECH 3421)
- Setting Up Progressive Dies (“Stamping Journal” Article)
- UNI – Bending and Forming Tools Lecture Notes
Outline
SHEET METAL STAMPING DIES INTRODUCTION
Sheet metal formability
Types of deformation
Formability Factors
Sheet metal failure
Sheet metal properties
DIES AND DIE FUNCTIONS INTRODUCTION
Die set
Guide pins
Basic die operations
Shearing
Blanking
Punching
Trimming
Drawing
Blankholder
Bending
Flanging
Hemming
Flat hem
Tear drop hem
Open hem
Rope hem
Single station dies
Compound die
Combination die
Multiple station dies
Progressive die
Transfer die
Tandem press lines
DIE LUBRICATION INTRODUCTION
Lubricant types
Lubricant application methods
Manual
Drip
Roller
Spraying
Flooding
STAMPING ANALYSIS INTRODUCTION
Circle grid analysis
Stamping & die design computer software
Additional Resources
- Engineered Die Clearance (Dayton)
- Productivity Selector (Dayton)
- Problem Solver (Dayton)
Design Examples
Cable Bracket Die (DWG)
UM Valve project: end plate die (pdf).
See the End Plate Directory for DWGs
Develop flat pattern
Develop strip layout and progression
Size a dieset
Determine press capacity
Center of Pressure
Place standard punches, die buttons, and retainers
Place springs, strippers, lifters, shedders, etc.
Design custom blanking, profile punches
Design custom bending dies, etc.
See Checklist
Die Sets and Component Manufacturers:
- Anchordanly
- Lee Spring
- Superior Die Set Corporation
- Dayton (punches, die set accessories)
