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Die Science: Choosing the right blank type for your stamping application

March 7, 2017 | By Art Hedrick

Selecting the proper blank size and profile often is critical to achieving a successful stamping process. Attempting to form a part’s geometry with the incorrect blank size or shape can result in splitting or excessive thinning. The blank shape also affects the consistency of the trim line...

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Die Science: Finding the right method for die shoe guidance

March 7, 2017 | By Art Hedrick

Choosing the proper guidance and heeling method is critical to the success of any stamping operation. Improperly guided and heeled die shoes may result in cutting and forming sections interfacing with the wrong clearances, severe deflection, and die damage. Guide Pin and Bushing BasicsGuide pins,...

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Die Science: Under pressure to find the best pressure pad

March 7, 2017 | By Art Hedrick

Pressure pads are critical to the success of a stamping operation. These pressure-loaded plates, either contoured or flat, perform the function of holding, stripping, or controlling metal during cutting or forming. Three Basic TypesAlthough there are many specialty pressure pads, they can be broken...

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Die Science: The time and place for die polishing

March 7, 2017 | By Art Hedrick

As a young apprentice tool- and diemaker, I was taught that when building a forming die for a drawing, stretching, or bending operation, all forming sections had to be polished to a mirror-like surface finish in the direction of metal flow. Not doing so would result in poor material flow, premature...

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Die Science: 4 causes of poor strip feeding in progressive dies

March 6, 2017 | By Art Hedrick

Most stamping plants have experienced poor strip feeding in a progressive die. Not only can this problem cause great frustration, but it also can lead to die and press damage, poor quality, scrap, safety hazards, and downtime. Four potential causes usually are to blame. 1. Die Alignment The...

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Die Science: Drawing pad basics

March 6, 2017 | By Art Hedrick

The drawing pad, otherwise known as the binder, blank holder, or pressure ring, is one of the most important components of a drawing and stretching operation. Its shape, thickness, deflection, and surface quality are critical features. In addition, the material it’s made from is crucial....

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Die Science: Choosing between pressure pads and stripper plates

March 6, 2017 | By Art Hedrick

Many problems result from a poorly designed or completely absent pressure pad. In the May/June 2013 issue of STAMPING Journal, I discussed the characteristics of the three kinds of pressure pads. Now it’s time to review the pressure pad styles and see how they compare to stripper plates. Stripper...

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Die Science: Bridge strippers versus spring strippers

March 6, 2017 | By Art Hedrick

A recent consultation job reminded me of the importance of selecting the best method for stripping cutting punches. It’s not that I haven’t seen similar problems in the past; rather it’s the simple fact that using the wrong type of stripper can result in catastrophic tool failure, as well as...

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Wilson Tool to host stamping webinar on April 5

March 3, 2017

White Bear Lake, Minn.-based Wilson Tool International®, a manufacturer of tooling systems for punch presses, press brakes, and punch and die components for the stamping and tableting industries, will host a webinar on April 5 at 1:00 p.m. CDT. The 45-minute webinar will discuss how die builders...

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Marwood Metal receives FedDev Ontario funding

March 3, 2017

Marwood Metal Fabrication Ltd., a Tillsonburg, Ont.-based metal stamping and assembly company supplying the automotive industry, has announced it will receive up to $4.27 million from FedDev Ontario (Federal Economic Development Agency for Southern Ontario).The company will invest the money in...

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COE: We are More Than Just Equipment Builders

COE: We are More Than Just Equipment Builders

March 1, 2017

By: Coe Press Equipment

Watch our introductory video to learn more about COE and the way we think. Our way of thinking impacts what we deliver… and THAT makes us unique. 

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Brochure details press feed equipment

March 1, 2017

Dallas Industries has released a corporate brochure featuring its coil handling and press feeding equipment and controls for the stamping industry. One section is devoted to the company’s conventional press feed lineup that can handle coil weights to 60,000 lbs. and widths up to 84 in., as well...

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Simulation software includes new pressure welding module

February 28, 2017

Simufact Eng., an MSC Software company, offers Simufact Forming 14 simulation software. It features a newly developed graphical user interface that simplifies the modeling and evaluation of the simulation results (preprocessing and postprocessing). A new pressure welding module enables the...

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Die Science: Understanding interactivity for difficult stampings

February 28, 2017 | By Art Hedrick

It’s no secret that the quality of a stamped part is influenced by numerous variables, including the mechanical ability of the material being stamped, the condition of the tooling and the press, the number of process steps being used, and the geometry of the dies. To truly solve a...

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Die Science: Thinking like sheet metal

February 28, 2017 | By Art Hedrick

If you have ever attended one of my public or custom on-site training courses, you’ve heard me emphasize the importance of understanding your sheet metal’s behavior before you try to cut or form it. Chances are that sometime during the course, I said, “You must think like the sheet metal or...

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