David Alkire Smith's Metal Stamping  White Papers

Copyrighted Material

Use Subject to the Notice & Disclaimer Below

An Overview Of the Basic Die Operations

Bending of Metals Including "V", Wipe and Rotary Die Operations

Forming Flanges and Process Limitations

Drawing and Stretching of Metals

Stamping Analysis Techniques

METALS SHEARING AND CUTTING MODULES

Solving Punch Head Breakage Problems

Cutting Force and Snap-through Reduction Principles and Techniques

Compound Dies and Cut-and-Carry or Push-Back Operations

DIE MAINTENANCE MODULES

Die Materials and Treatments

Die Repair and Troubleshooting for Large Automotive Panel Stamping Dies

Repairing Damaged Die Castings

Die Maintenance Documentation & Tracking 

Dieroom Organization and Work Practices

SOME SAFETY CONSIDERATIONS

Dealing With The Unthinkable

Ergonomics in the Pressroom

An Overview of Press Safeguarding

Press Counterbalance Adjustment & Maintenance

DIE FASTENING MODULES

Overview of Mechanical Die Fastening

Avoid Insecure and Improper Die Fastening

Power Actuated Die Clamps

BASIC QUICK DIE CHANGE MODULES

Relationship of Quick Die Change to EOQ and JIT

Basic Good Diesetting Practices

PRESS OPERATION AND MAINTENANCE MODULES

Historical Overview of Press Development

Press Selection and Maintenance

Buying a Used Press

Mechanical Press Types and Nomenclature

Transfer Press and Die Operations

Achieving and Maintaining Good Press Lubrication

Press Foundations and Machine Leveling

Basic Press Electrical Control Overview

Gap Frame Presses

Straightside Presses

Hydraulic Presses

Informal and Formal Press Inspection Procedures 

Unsticking Presses Jammed on Bottom Dead Center

COIL FEEDING MODULES

Equipment for Decoiling and Straightening Stock

Press Stock Loop Control  Methods and Devices

Press Coil Stock Feeding Devices

Pressworking Lubricants

IMPORTANT NOTICE & DISCLAIMER

These technical materials are copyrighted. Some illustrations are used by permission and the source acknowledged in the figure caption.  None of materials may be reproduced in any form including machine readable-abstract, without permission of the copyright owners.  The author does not, by publication of the data, ensure to anyone the use of any information and such data contained herein, against liability of any kind, including infringement of any patent.  Publication of any data does not constitute a recommendation of any patent or proprietary right that may be involved, or provide an endorsement of products or services.  Correct safe practices vary according to the type of work being performed, and other factors beyond the control of the author.  Insuring that safe practices are followed in the workplace cannot be made based on following the examples in any of these materials.  Lawful safe practices may vary from one political jurisdiction to another.  The responsibility for safe operation is to be determined by each plant’s management based on safety laws governing their operations, plant rules and good engineering practice.  This determination is solely the responsibility of each plant’s management and each individual using the material. 

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