Dieology LLC

Art Hedrick

Contributing Writer
Dieology LLC
8730 10 Mile Rd. SE.
Rockford, MI 49341


Phone: 616-894-6855
www.dieology.com
Contact via email
Author of the "Die Science" column in STAMPING Journal®, Art also has written technical articles on stamping die design and build for a number of trade publications. A recipient of many training awards, he is active in metal stamping training and consulting worldwide.
Stainless steel sink

Articles

Sheet Metal Stamping 101, Part II

June 9, 2009 | By Art Hedrick

Thinking about adding metal stamping to your capabilities? Read this primer about the materials and equipment, including the different types of stamping presses, and view images of stamped parts, which can be both highly functional and aesthetically pleasing.

Continue Reading

Sheet metal stamped parts

Stamping | Articles

Sheet Metal Stamping 101, Part I

April 14, 2009 | By Art Hedrick

Metalworking professionals who possess diverse proficient skills have an edge in a tight job market. In this first installment in a series, tool-and-die expert Art Hedrick presents an overview of the metal stamping industry and describes the various careers available in the sector.

Continue Reading

Shop Management | Articles

Survival—Are factors other than the economy dragging down your operation?

February 10, 2009 | By Art Hedrick

Art Hedrick, longtime consultant to the sheet metal stamping industry, has observed three internal factors that can negatively affect an operation. In this economic climate in which so much is at stake, you want to make sure that your business does not suffer from these self-destructive characteristics.

Continue Reading

Stamping | Articles

Revealing the Magic — Using data and conducting experiments to solve metal forming problems

December 14, 2008 | By Art Hedrick

Effective stamping professionals rely on scientific principles and not magic to determine and correct production problems. Find out how to troubleshoot wrinkles and rips and take corrective action by following a basic procedure that can be modified to troubleshoot almost any stamping issue.

Continue Reading

Joint preparation diagram

Stamping | Articles

Buying time—by welding

October 28, 2008 | By Art Hedrick

You're almost at the end of a production run and your stamping die fails. What do you do? Replace the failed component? Attempt a repair? How do you decide which option is best? These questions—along with basic guidelines for repairing a die by welding—are answered in this article.

Continue Reading

Minster Stamping Press

Stamping | Articles

3 deadly tool design sins

August 12, 2008 | By Art Hedrick

Among the many factors to consider when designing and building a stamping die are the material to be processed, the press that will run the die, and specified part tolerances. Inadequate knowledge of these factors can contribute to die failure and production and quality problems.

Continue Reading

Part checking fixture

Articles

Measuring forming severity

June 17, 2008 | By Art Hedrick

Determining a part's forming severity, something that is critical for a successful stamping operation, takes into account various data. This article discusses the different types of data and how each is obtained. It also compares circle grid analysis to square grid analysis.

Continue Reading

Progressive die strips

Stamping | Articles

Die Science: Reading progressive die strips — Part I

May 1, 2008 | By Art Hedrick

Looking at the results of a process—in this case, the strip produced in the die—certainly can lead to good data indicating the root cause of a problem. Distorted, elongated pilot holes, mismatched cuts are common defects. Distorted pilot holes can be the result of a poor carrier design. An improperly set up feed release can cause misfeeds, pilot hole elongation, and bent, broken, or galled pilots, as well as poor part location and gauging.

Continue Reading

Cold Forming Tooling Diagram

Stamping | Articles

Getting the most from your cutting punches: Part II

April 29, 2008 | By Art Hedrick

Many factors influence tool steel selection. Part Iof this article focused on selecting the right cutting clearance. Part II discusses properties to look for in tool steel and the importance of heat treating, preparation for production, coatings, lubricants, and the press on which the tool...

Continue Reading

Extrusion die design

Stamping | Articles

Die Science: Successful extruding - Part II

April 15, 2008 | By Art Hedrick

Die design and building is a critical part of a successful extrusion process. ironing—vertically squeezing the metal between the punch and the die to increase the surface area—helps refine the extruding process, as does preforming.

Continue Reading

Stamping | Articles

Die Science: Successful extruding - Part I

March 15, 2008 | By Art Hedrick

Extrusion is the process in which a continuous radial stretch flange is created by expanding a hole. Of all of the factors controlling the success of an extruding operation, material type and its mechanical properties are the most influential. Materials exhibiting good stretch capability and stretch distribution characteristics are best suited for extruding.

Continue Reading

Die cutting diagram figure 1

Stamping | Articles

Getting the most from your cutting punches: Part I

February 12, 2008 | By Art Hedrick

Selecting the right cutting clearance and tool for an application is among the challenges stampers face. Material properties and other factors influence this decision. Following some basic guidelines presented in this article can help you select or design the best tool for your needs.

Continue Reading

Transfer die rails

Stamping | Articles

Die Science: Stamping 101 - Die basics

January 15, 2008 | By Art Hedrick

This article introduces beginning toolmakers, die maintenance technicians, engineers, and press technicians to tool and die components and their functions

Continue Reading

Stamping | Articles

Die Science: Why is it Dieology, not Dieologism?

December 11, 2007 | By Art Hedrick

Successful dieworkers are very methodical and data-driven in the way they approach a problem. They carefully study each problem, determine its root cause, and take both short- and long-term corrective action.

Continue Reading

Die Drawing process

Stamping | Articles

Die Basics 101: Part XVII

December 11, 2007 | By Art Hedrick

Part XVI of this series wrapped up the discussion of bending in stamping operations. This article focuses on drawing. What Is Drawing? Drawing is a metal forming process in which a product is made by controlling sheet metal flow into a cavity and over a punch. The process of deep drawing means...

Continue Reading