Design Principles and Applications
of Progressive Dies
I. Types of Carriers-Applications, Limitations
- A. Solid Carriers
- B. Solid Center Carriers
- C. Flexible Center Carriers
- D. Side Carriers
II. Strip Starting and Piloting
- A. Adjustable Gauges
- B. Sight vs. Solid Stops
- C. Lifters-Types and Uses
- D. Pitch Notches
III. Trimming and Piercing
- A. Types of Trimming
- B. How Holes are Generated
- C. Clearance Considerations
- D. Slug Pulling-Ejectors, Punch Design, Air and Suction Methods
- E. Match Cuts-dos and don'ts
- F. Designing Errors out of Dies
- G. Cam Piercing Techniques
- H. Slug Removal Ideas
- I. Punch Breakage Analysis
- J. Punch Design Considerations
- K. Getting Flat Parts the Easy Way
- L. Stip Growth Problems
- M. Pinch and "Break-off" Trim Methods
- N. Shaving Techniques
IV. Forming
- A. Springback
- B. Grain Direction
- C. Various Bending Techniques
- D. The Best Method for 90º Bends
- E. Various other 90º Techniques
- F. Bend Problems/Solutions
- G. Calculations for Tonnage Requirements
V. Webs/Carriers
- A. Types of Webs
- B. Wax Technique-Examples & War Stories
VI. Flanging
- A. Progressive Development
- B. Curling and Hemming Techniques
- C. Coining
- D. Extruding-How to be Successful
- E. Formula to Adjust the Length of a Flange
VII. Pressure Pads
- A. Definitions and Terminology
- B. Forming up Flanges
- C. Floating Punches/Nitrogen
- D. Pad Balancing
VIII. Part Ejection
- A. Blankthrough
- B. Push-off Techniques
- C. Scrap Push Method
- D. Air and Powered Knockouts
IX. Drawn Shells
- A. Reductions and Calculations of Maximum Reductions
- B. Determining Blank Diameter/Size
- C. The "Rubber Skin" Technique
- D. Minimum and Maximum Draw Radius
- E. Draw Ring Standoffs
- F. Anatomy of a Drawn Part
- G. Draw Postspecs for Success
- H. Material Considerations for Draw
- I. Draw Speed Factors
- J. Rules for Success in Drawing
- K. Draw Beads
- L. Coating-What Works
- M. Circle Grid Analysis Techniques
X. Processing
- A. Definitions
- B. Principles of Good Processing
- C. Processing Examples
- D. Techniques for Progressive Dies
To request more information, contact FMA's Education Department at 888-394-4362 or Jim Warren at 815-227-8213 or complete the form below.
Thank you for your interest in our educational programs!
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