Stamping Articles

Whether you're using a high-speed stamping press to make simple parts at breakneck speeds or doing something really tricky, like deep drawing a material that puts up a lot of resistance, the information in this technology area is sure to help. The articles, case studies, and press releases cover stamping presses, lubricants, and materials.

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Press selection—sorting it out - Part VI

March 11, 2008

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Matching Press Characteristics to Your Applications The following questions–and their answers, provided by industry equipment manufacturers and experts–are intended as a general guide to help you simplify the daunting task of selecting a press or press system. 6. So, Which Press Type is Best...

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Press selection—sorting it out - Part IV

March 11, 2008

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Editor's Note: This article is Part IV of a series covering questions and answers for those who are in the market for a press or press system.Part I, speed; Part II, covers tonnage; Part III, materials; Part V, best for operation; Part VI, best for part; Part VII, automation; Part VIII, matching...

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Press selection—sorting it out Part III

March 11, 2008

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Editor's Note: This article is Part III of a series covering questions and answers for those who are in the market for a press or press system. Part I, speed; Part IIcovers tonnage; Part IV, part accuracy; Part V, best for operation; Part VI, best for part; Part VII, automation; Part VIII,...

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Press selection—sorting it out Part II

March 11, 2008

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Matching Press Characteristics to Your Applications The following questions–and their answers, provided by industry equipment manufacturers and experts–are intended as a general guide to help you simplify the daunting task of selecting a press or press system. 2. Beyond Part Characteristics,...

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Press selection—sorting it out Part I

March 11, 2008

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This multi-source article offers readers advice on the criteria to consider when buying a press. The article examines application suitability, drives, and controls as well as other considerations such as tonnage, frame construction, speed, and horsepower.

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Press selection-sorting it out Part VII

March 11, 2008

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This multi-source article offers readers advice on the criteria to consider when buying a press. The article examines application suitability, drives, and controls as well as other considerations such as tonnage, frame construction, speed, and horsepower.

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Press selection—sorting it out

March 11, 2008

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Anchoring the March STAMPING Journal® --Press Issue--this multi-source press selection article offers readers advice on the criteria to consider when buying a press. The article examines application suitability, drives, and controls as well as the usual suspects--tonnage, frame construction, speed, and horsepower. This article is likely to be especially helpful to readers attending Metalform in April.

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Die cutting diagram figure 1

Getting the most from your cutting punches: Part I

February 12, 2008

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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.

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Mechanical press diagram

Stamping 101: Anatomy of a Mechanical Press

January 15, 2008

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Stamped components are made by forming, drawing, trimming, blanking, or piercing metal—in sheet or coil form—between two halves (upper and lower) of a press tool, called a die. The upper member (or members) are attached to slide (or slides) of the press, and the lower member is clamped or bolted to the bed or bolster. The die is designed to create the shape and size of a component. The two halves of the die are brought together in the press. Both force (load) and accuracy are required to achieve the repeatability and tolerance demands.

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Komatsu H2F Series Servo Press

The science behind the servo press

January 15, 2008

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Flexibility sums up where the servo-driven mechanical press stands in its evolution. Early adopters are seeing that flexibility and asking, "What if?" What if I could control ram motion throughout the stroke and dwell for a certain period at bottom dead center (BDC)? According to sources, those "what ifs" have led to new ways of thinking about forming metal.

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Controlling slug pulling

Controlling slug pulling with hole lapping

January 15, 2008

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Diemakers have several options for slug-pulling problems, such as knockout pins, vacuums, punch or die dulling, oil viscosity, wire EDM hole slots, punch/die clearance changes, edge shearing, mechanical grippers, air jets, and cuped-shaped punches. Another method to help stop slug pulling is bell- mouthing the die, which essentially involves cutting a funnel shape around the hole.

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Transfer die rails

Stamping 101: Die basics

January 15, 2008

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

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Leveler machine

New generation of levelers tames high-strength steels

December 11, 2007

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A new generation of levelers is equipped to meet today's demands to flatten the high-strength materials.used more prevalently in the automotive industry than ever. To tame the coil set, crossbow, twist, and edge camber in high-strength steel (HSS) coil, higher leveling forces and new concepts are needed.

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Primary flux

Optimizing a single probe, gap-tolerant, double sheet detector system

December 11, 2007

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Detecting the presence of two sheets in a press feeding operation uses scientific principles, but the process is not an exact science. A typical press-feeding situation involves an air gap between the detector and the first sheet in the stack or an air gap between the top two sheets, and these air gaps reduce the detector's effectiveness. Understanding the capabilities of the detector and the limitations imposed by imperfect conditions can help stampers set up an effective double-sheet detector system.

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Oil sampling

8 Things you should know about your hydraulic press

December 11, 2007

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What should you do to keep your hydraulic press running? Know your press--when it is working properly or when it needs attention. You can extend press life and maximize your investment by keeping your eyes and ears tuned and by performing 8 preventative maintenance steps.

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