Press technology related articles

There are 136 articles related to press technology.

How to run presses faster without increasing scrap: Maintaining precision at high speeds 

The catch to operating at higher production speeds is that metalformers often see jumps in scrap rates and accelerated wear-and-tear on the press and tooling. New, and some tried-and-true, mechanical press technologies help metalformers strike a balance between high speed and high precision.
By: Kent Lancaster - www.thefabricator.com, 7/29/08
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Forming AHSS: Playing by new rules: Advanced high-strength steels spur unconventional thinking about formability 

Advanced high strength steels spur stampers to think about metal forming in new ways.
By: Tim Heston, Senior Editor - The FABRICATOR®, 7/15/08
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Applying parallelism technology in hydraulic presses: Active leveling control offsets press, tooling problems 

Active leveling control (ALC) counteracts the negative effects of off-center loading; significant breakthrough shock common with high-strength steels (HSS); and reverse shock loading associated with nitrogen springs in dies.
By: Michael Riehn - The FABRICATOR®, 6/17/08
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Driven to integrate: Automotive component stamper branches out, adapts to industry changes 

Changes come often in the steel industry--a business that sticks around long enough might eventually bear little resemblance to the version established at its inception. This is the case for Parkview Metal Products, Lake Zurich, Ill. The company opened in 1950 as a tool and die shop in Chicago, late...
By: Michael Bishop, Assistant Editor - The FABRICATOR®, 5/13/08
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Retrofitting a prog-die press for transfer operations: Wringing more profit from an old press 

Converting a current press to a transfer press requires altering the press, transfer dies, and the transfer system. Some presses are suitable for conversion, some are not. With a proper transfer retrofit, an old press can become a fully programmable state-of-the-art transfer press.
By: Paul Stirrett - www.thefabricator.com, 5/13/08
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Sensors clear the way for high-speed stamping: Safely navigating the press autobahn 

When you stamp 100 million automotive parts annually, as does Tennessee Stampings LLC, Portland, Tenn., you might accept die collisions as just part of the "traffic statistics." Not so. Before the dies ever hit the high-speed presses, they are properly sensored to prevent downtime, accelerate produc...
By: Kate Bachman, Editor - www.thefabricator.com, 4/15/08
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Press selection—sorting it out: Part V: So, Which Press Type is Best for the Operation?  

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, ...
By: Kate Bachman, STAMPING Journal® Editor - www.thefabricator.com, 3/11/08
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Press selection—sorting it out: Part IV: What Else Do I Need to Look for in a Press to Meet Demands for Increased Part Accuracy? 

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, ...
By: Kate Bachman, STAMPING Journal® Editor - www.thefabricator.com, 3/11/08
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Press selection—sorting it out: Part VI: So, Which Press Type is Best for the Part?  

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, ...
By: Kate Bachman, STAMPING Journal® Editor - www.thefabricator.com, 3/11/08
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Press selection—sorting it out : Part I: What Press Type is Best for My Speed, Volume Needs? 

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, ...
By: Kate Bachman, STAMPING Journal® Editor - www.thefabricator.com, 3/11/08
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Press selection—sorting it out : Part II: Beyond Part Characteristics, Material Characteristics, and Frame Design, What Else Do I Need to Know About Selecting Tonnage?  

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, ...
By: Kate Bachman, STAMPING Journal® Editor - www.thefabricator.com, 3/11/08
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Press selection—sorting it out : Part III: What Other Press Characteristics Should I Look for to Stamp High-strength Materials, Including Stainless? Boron Steel? Aluminum? 

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, ...
By: Kate Bachman, STAMPING Journal® Editor - www.thefabricator.com, 3/11/08
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Press selection—sorting it out : Part IX: Which Category of Press Is Right for My Application? Will a flywheel fly? Would a servo serve better? How can hydraulic help? Time for a transfer? New–pneumatic? Or should I order a combo?  

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, ...
By: Kate Bachman, STAMPING Journal® Editor - www.thefabricator.com, 3/11/08
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Press selection—sorting it out : Part VII: What Do I Need in a Press to Accommodate Automation? 

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, ...
By: Kate Bachman, STAMPING Journal® Editor - www.thefabricator.com, 3/11/08
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Press selection—sorting it out : Part VIII: Which Automation System Goes with Which Press?  

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, ...
By: Kate Bachman, STAMPING Journal® Editor - www.thefabricator.com, 3/11/08
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Stamping 101: Anatomy of a Mechanical Press 

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 ...
By: Dennis Cattell - www.thefabricator.com, 1/15/08
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The science behind the servo press: Servomotor-driven mechanical press spurs a new way of thinking about forming metal 

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 “wha...
By: Tim Heston, Senior Editor - The FABRICATOR®, 1/15/08
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8 Things you should know about your hydraulic press: Press checks and maintenance keep it running at peak performance 

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.
By: Thomas Lavoie and Carl Jean - www.thefabricator.com, 12/11/07
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Dissecting defects: Part II: Testing for incoming sheet coil variation 

Two main types of defects are typically observed in stamped automotive body components: Surface defects, such as cracks and necking, and form defects, such as fall-in, wrinkling, and marking lines. These static defects, such as surface imprints, are not process-related but instead are caused by cont...
By: Taylan Altan - www.thefabricator.com, 11/6/07
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Stamping with third-generation dry-film lubricants: Characteristics and User Applications 

A third-generation dry-film lubricants consist primarily of blends of various polar and low- to nonpolar plymers with different molecular weights. They are designed to form extremey thin, highly cohesive bonds to the metal surface. This article explains how they differ from previous generations of ...
By: Han Xiong Xiao, Ph.D., and Roger Ruhmann - www.thefabricator.com, 10/9/07
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Ridin’ the storm out: Part III. Transfer press, expansion, underground conveyor 

Automotive Tier II supplier of ride control components Tennessee Stampings installed an 800-ton transfer press to get to get new business from European customers, and expanded its facility to accommodate the new press, as well as a new underground conveyor system.
By: Kate Bachman, STAMPING Journal® Editor - The FABRICATOR®, 10/9/07
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Retrofit Rx for automaker’s aging press: Modular hydraulic cushion upgrade eases maintenance, improves performance 

An automotive OEM’s 4,000-ton transfer press produces parts with difficult draws, such as pickup door panels, in the 1,600-ton first station. Facing problems finding obsolete parts for repair and also considering crucial performance requirements in that first drawing operation, the automaker had Sch...
By: Ricardo Pereira - www.thefabricator.com, 10/9/07
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Ridin’ the storm out: Part II: Sensors prevent crashes, clear way for growth 

Automotive Tier II supplier of ride control parts Tennessee Stampings makes extensive use of sensors to mistake-proof its stamping, and clear the way for its 23 percent annual growth. Before the dies ever hit the presses, they are properly sensored so you don’t incur downtime associated with troubl...
By: Kate Bachman, STAMPING Journal® Editor - The FABRICATOR®, 9/11/07
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Clearing the springback hurdle: Knowledge and planning are keys to success 

Springback is a fact of life for stampers, but knowing what causes it and how to deal with it -- through stabilization, compensation, and verification -- can help them overcome the problem.
By: Eric Kam - www.thefabricator.com, 9/11/07
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Blanking developments: Part III: High-speed blanking, FE methods 

During high-speed blanking, press stroking rate and punch speeds, are higher than in conventional blanking. As a result, the shear zone has a higher strain rate, which affects a workpiece’s sheared surface temperature and the tool surface.
By: Taylan Altan - www.thefabricator.com, 9/11/07
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Blanking developments: Part II: Fineblanking part, process design 

Fineblanking in various forms is increasingly becoming accepted by the automotive industry for producing sheet metal components with smooth edges that don’t require additional finishing operations.
By: Taylan Altan - www.thefabricator.com, 8/8/07
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Turning it around (fast): Flexible hydraulic press technology helps stamper meet tight customer deadlines 

While other Midwest manufacturers are struggling, plumbing manufacturer Bradley Corp. is projecting it will double in size in the next four years. This growth is attributed to the company’s flexibility—its ability to adapt equipment, processes, and scheduling to quickly turn around incoming customer...
www.thefabricator.com, 8/8/07
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Blanking developments: Part I: Fineblanking process and tool design 

Fineblanking allows the production of sheet metal components with smooth edges in a single press stroke. This column discusses basic terminology and the principles of this process.
By: Taylan Altan - www.thefabricator.com, 7/10/07
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Mechanical presses primed for powerful performances: New materials create a need for high-tonnage presses, larger beds 

Metal stampers are using more high-strength steel, which is more difficult to form, requires more tooling stations, and more press tonnage. As a result, stampers are moving away from traditional production methods and investing in presses with higher tonnage capacity and larger beds.
By: Dennis Boerger, Contributing Writer - www.thefabricator.com, 7/10/07
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Evaluating film lubricants for stamping: Deep-drawing test makes the most sense 5 Star Article 

The ERC/NSM conducted extensive deep-drawing tests to evaluate various dry film lubricants for several companies. Compared with other commonly used friction tests such as draw bead and twist compression tests, deep drawing emulates realistic friction conditions that exist in stamping operations in t...
By: Hyunok Kim, Ji Hyun Sung, and Taylan Altan - www.thefabricator.com, 6/12/07
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Flexibility in the press shop: Arranging equipment to produce a variety of parts 

To stay competitive, stampers must be prepared to run a variety of dies, many of which have been designed to run on customized and complex OEM equipment. In addition, stamping concepts tend to differ among the automotive OEMs. For the tier stamper, flexibility is key to surviving these fiercely comp...
By: Jeferson Valério - The FABRICATOR®, 6/12/07
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Stamping research gains support: Forming lightweight alloys, UHSS emphasis of study 

Global competition continues to force the metal forming industry to reduce costs, improve technology, and increase productivity. With these trends in mind, the Ohio State University (OSU) and Virginia Commonwealth University (VCU) established in June 2006 the Center for Precision Forming to focus on...
By: Taylan Altan - www.thefabricator.com, 6/12/07
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Servo press forming applications: Part III: Forming at room temperature, elevated temperatures 

This column discusses several applications of servomotor-driven mechanical presses for forming at room temperature and at elevated temperatures.
By: Taylan Altan - www.thefabricator.com, 5/8/07
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How to keep hydraulic presses running: Know thy press: In sickness and in health 

Several preventive maintenance steps can help extend hydraulic press life. Press operators who stay in tune with their press and establish good, consistent maintenance practices from the beginning will benefit the most.
By: Thomas Lavoie and Carl Jean - The FABRICATOR®, 5/8/07
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Servo press forming applications: Part II: Drive systems 

Servo presses are classified into two main types based on their drive systems: direct drives with high-torque, low-speed servomotors, or low-torque, high- speed servomotors.
By: Taylan Altan - www.thefabricator.com, 4/10/07
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Steel thixoforming: Emerging technology may help steel parts compete with other materials  

The demand for lightweight, high-strength components is increasing at the expense of traditional steel parts.Emerging technologies, such as steel thixoforming, may help reverse this trend. Thixoformed steel parts are significantly lighter than equally strong parts formed by conventional mean...
By: Todd Helms - www.thefabricator.com, 4/10/07
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Servo press forming applications: Part I: An introduction 

A servomotor gives a press slide motion flexibility in terms of accurate speed, motion, and position control. This flexibility produces infinite slide motion variations that may improve part quality and operations such as painting and assembly during one press stroke.
By: Taylan Altan - www.thefabricator.com, 3/13/07
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Automotive blanker presses on: Production software helps Kasle Metal Processing weather slowdown, prepare for the future 

Amidst the bad news associated with Ford Motor Co., good news is surfacing in Jeffersonville, Ind., home of Kasle Metal Processing. The company is using a software tool to ensure it is operating as efficiently as possible as it heads into one of its busiest months ever.
By: Dan Davis, Editor-in-Chief - The FABRICATOR®, 3/13/07
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Hot-stamping boron-alloyed steels for automotive parts: Part III: Tool design and process simulation 

To accurately model the hot-stamping process, FE simulation needs to account for the mechanical, thermal, and microstructural changes in the workpiece.
By: Taylan Altan - www.thefabricator.com, 2/13/07
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Draw Forming Part VII: Nonuniformity 

Setting the processing variables is different between the net shape and non-net shape processes. While non-net shape variables have to be programmed constantly to change the tool's position in space to follow the unique shape of the part being made, the shape of the part for the draw forming net sha...
By: Edmund Herman, P.E. - www.thefabricator.com, 2/13/07
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Protecting metal stamping dies: How to prevent die crashes with sensors 

One of the most difficult problems to overcome in any die protection application is protecting the components from the environment in which they must function. In a typical stamping application, oils, coolants, and other liquids and lubricants often are present that can wreak havoc on compon...
By: Karen Keller - www.thefabricator.com, 2/13/07
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Hot-stamping boron-alloyed steels for automotive parts: Part II: Microstructure, material strength changes during hot stamping 

Compared with cold-formed parts, hot-stamped parts provide better formability at high temperatures and exhibit no springback on the final part.
By: Professor Taylan Altan - www.thefabricator.com, 1/18/07
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Choosing the right die handling tools: Options abound for splitting, transporting, changing 

Many stampers rely on the machines and equipment you already have for moving and changing stamping dies. Using dedicated items such as die carts and shuttle tables can make die change more efficient.
By: Michael Schollmeier - The FABRICATOR®, 1/9/07
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Draw forming: VI: Redistribution 

Energy input at one location in a part during forming is redistributed throughout the part as the forming process advances. The result must be an adequate force transmitted back to the location of target strains and displacements.
By: Edmund Herman, P.E. - www.thefabricator.com, 1/9/07
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Hot-stamping boron-alloyed steels for automotive parts: Part I: Process methods and uses 

Hot-stamped parts are being used increasingly in cars in Europe and North America. Ultrahigh-strength steels, like boron alloys, which meet automotive safety and crash requirements, are difficut to form with cold stamping, so hot stamping with die quenching has been applied.
By: Taylan Altan - www.thefabricator.com, 12/12/06
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Viking's range of choices: Appliance-maker chooses a hydraulic press system with precise stamping capabilities 

The stainless steel stampings Viking Range produces often require complex draws and piercing, as well as sharp corners and creases—with flawless exterior finishes. Viking has moved from outsourcing its stampings to using press brakes to investing in hydraulic presses of increasing capacity and sophi...
By: Kathleen McLaughlin, Contributing Writer - www.thefabricator.com, 12/12/06
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Multipoint-control die cushion systems for stamping complex parts: Part III: Predicting blank holder force 

With constant BHF, conventional steel sheets can be formed with few tryouts. However, with the increasing use of lightweight materials and high-strength steels with low formability, there is a need for precise, localized control of metal flow using MPC systems.
www.thefabricator.com, 11/7/06
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Draw forming: Part V:Remoteness 

The remoteness of the energy-affecting elements contributes to the differences between the net shape and non-net shape processes. This additional difference helps drive the nature of the net-shape processing theory.
By: Edmund Herman, P.E. - The FABRICATOR®, 11/7/06
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Designing dies 2-D or 3-D? 

Both 2-D and 3-D die design packages have advantages and disadvantages, which are discussed here, but true success lies in the designer's ability, not the software's.
By: Art Hedrick - The FABRICATOR®, 11/7/06
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Drawing on new experiences: Whirlpool Corporation's new line is a flexible approach to refrigerator door fabrication 5 Star Article 

In the past metal forming in the appliance industry meant giant presses with expensive tooling. Lead-times were forever, and change didn't come easy. Whirlpool Corp. in Fort Smith, Ark., is taking a new approach to metal forming, and flexible technologies are the key.
By: Dan Davis, Editor-in-Chief - The FABRICATOR®, 10/10/06
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Overcoming deformity by design: The importance of keeping the die strip level through progressions 

Achieving typical goals in stamping, such as zero development and fewer labor requirements, is made easier when the progressive die strip is kept level through the entire progression. Keeping the strip level can eliminate wave problems caused by incorrect pilot/lifter use occurring in punch forming.
By: Thomas Vacca - www.thefabricator.com, 10/10/06
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Multipoint-control die cushion systems for stamping complex parts: Part II: Forming stainless steel double sinks 

In deep drawing of complex, asymmetrical parts such as stainless steel kitchen sinks, blank holder force (BHF) needs to be controlled locally to regulate the flow of the sheet metal. An MPC blank holder system allows this control by placing individually programmable cushion pins around the blank per...
By: Ajay Yadav and Taylan Altan - www.thefabricator.com, 10/10/06
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Setting up progressive dies: Part II: Establishing a good setup procedure 

Proper feeding, scrap removal, and shut height calibration are essential for good die setup.
By: Art Hedrick - www.thefabricator.com, 10/10/06
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Transfer technology: Servo-based press transfer system maximizes productivity, flexibility for automotive supplier 

Venest Industries, an automotive parts supplier based in St. Catharines, Ontario, Canada, needed an automated transfer system that could be parked away from the machine bed during progressive operations and die changes, so that new dies could be delivered to the press via an overhead crane.
www.thefabricator.com, 10/10/06
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Setting up progressive dies: Part I: Die alignment and clamping 

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By: Art Hedrick, Contributing Writer - www.thefabricator.com, 10/3/06
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Unique forming short cuts 

Die designers often are faced with how to make a part feature that is unique and possibly difficut to form. Short cuts are discussed for twisting a part, creating a return flange, and making a 90-degree bend.
By: Art Hedrick - www.thefabricator.com, 8/8/06
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Getting hydraulic press problems under control: Control system upgrade solves reliability problems, expands press capabilities 

Arco Industries Inc. bought a 15-year-old, 500-ton Tranemo hydraulic punching press with an antiquated control system. For about one-quarter the cost of a new press, Arco was able to rejuvenate an obsolete press by providing it with contemporary levels of control and productivity.
www.thefabricator.com, 8/8/06
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Meeting global challenges through employee rewards: Gainsharing can be a big step toward staying competitive 

Arco Industries Inc. bought a 15-year-old, 500-ton Tranemo hydraulic punching press with an antiquated control system. For about one-quarter the cost of a new press, Arco was able to rejuvenate an obsolete press by providing it with contemporary levels of control and productivity.
By: A.A. Imberman - www.thefabricator.com, 8/8/06
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Draw forming: Part III: Connectivity 

The connections between product conditions and product input variables for draw forming must be made through the intermediary transformation characteristics: plastic strains and displacements. So all product requirements must be redefined as the changes (or transformations) required of those two cha...
By: Edmund Herman, P.E. - www.thefabricator.com, 8/8/06
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The modern mechanical press: Link motion, servo technology, and slide guide advancements 

End-user demands for new product configurations, materials, and press capabilities continue to have an impact on the metal forming arena. Mechanical press design improvements and flexibility are keeping up with stampers’ changing applications.
By: Dennis Boerger, Contributing Writer - www.thefabricator.com, 7/11/06
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The process of fineblanking 

Fineblanking can achieve flatness and cut edge characteristics that are unobtainable by conventional stamping and punching methods. Fineblanking is described in relation to conventional methods to encourage a better understanding of its benefits and limitations.
By: Art Hedrick, Contributing Writer - The FABRICATOR®, 7/11/06
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Die building: Three important processing questions 

In any stamping process including progressive dies, transfer dies, or line dies, three factors are essential to consider when processing a piece of flat metal into a finished part: What is the metal? What is the metal's thickness? What are the part tolerances?
By: Art Hedrick, Contributing Writer - www.thefabricator.com, 6/13/06
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A closer look at self-piercing riveting: Computer simulation is a noteworthy alternative to physical testing of joints 

Self-piercing riviting, an alternative sheet joining method, is being used more to join aluminum sheets. The finite element method can be employed to study the SPR process and joints, perhaps even leading to the elimination of physical testing of these mechanical joints.
By: Yingjie Xu - The FABRICATOR®, 6/13/06
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Hot forming: Strong meets light: Caught between NHTSA and CAFE 

Cosma International applies its own hot-forming technique to stamping automotive metal components such as A and B pillars, roof headers, roof rails, rockers, door intrusion beams, and bumpers, to meet new CAFE standards for weight, NHTSA requirements for strength, and to counter problems with spring...
By: Kate Bachman, STAMPING Journal® Editor - The FABRICATOR®, 5/9/06
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Stamping complex parts: Hydraulic presses expand deep-draw capabilities 

By adding sophisticated hydraulic deep-draw press technology, Tools Inc. was able to greatly enhance its in-house forming and production capabilities.
www.thefabricator.com, 3/7/06
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Feeling overwhelmed with pressures?: Die changeover is just one area to bang out inefficiencies 

Stampers face increasing pressure, from external and internal customers, every day. This, combined with increasing responsibilities, can cause production personnel to feel overwhelmed. Long die changeovers gobble up precious time that could be used for better purposes, leaving many production teams ...
By: Michael P. Schollmeier - The FABRICATOR®, 2/7/06
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Cushioning the blow: Detroit-area toolmaker aims to draw a bead on new opportunities 

Hercules Machine Tool & Die Co. has intalled a fully programmable hydraulic cushion onto a mechanical press in hopes that it can cut down on try-out time and attract more business involving specialty stamped parts
By: Dan Davis, Editor-in-Chief - www.thefabricator.com, 11/8/05
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Collaboration in the stamping industry: More than a buzz word 

What is the best way to determine the optimum combination of application, design, and costs? An effective collaborative process makes the difference. Teamwork and open communication throughout the process — from prototyping to production — ensure the best design and most efficient manufa...
By: Mark Rasmussen - www.thefabricator.com, 10/11/05
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Blanking questions have you on the edge?: Understanding blanked edge characteristics improves stamping 

Reducing the damaging effects of fractures, burnishing, burrs, and rollover improves subsequent forming processes. The blanked edge condition can be improved by adjusting the punch and die clearance tolerance, shaving the area of the defected blanked edge, designing an appropriate contact profile of...
By: Young Seo - The FABRICATOR®, 10/11/05
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Total transfer knowledge: The evolution of transfer presses 

Transfer systems can deliver flexibility to perform a variety of tasks for current requirements, yet deliver the capability to carry the company at a competitive level over the long haul.
By: Dennis Boerger, Contributing Writer - www.thefabricator.com, 10/11/05
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Pairing the right hydraulic press with your application: Getting the best return on investment with the right return 

Choosing the right hydraulic press for your application is crucial. Identifying the right press capability up front can eliminate additional costs and startup delays. Four primary hydraulic press return capabilities are return on position, return on pressure, return on pressure with dwell capability...
By: Jay Douglas Hartzell - The FABRICATOR®, 10/11/05
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Pressing through power failures:: Transfer press energy overcomes voltage fluctuations at BMW 

When BMW Dingolfing (Germany) decided to modernize one of its transfer presses, the desired benefits included increased line availability, increased production through the use of an electronic transfer system, and reduced maintenance. However, one of its highest priorities was to minimize or elimina...
By: John Meyer - www.thefabricator.com, 9/13/05
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AHSS Tooling Requires Greater Protection : Forming fluids for extreme frictional forces 

Tools are subject to extreme wear during AHSS forming. Using the right lubricant can help increase tool life.
By: Brad Jeffery, Contributing Writer - www.thefabricator.com, 9/13/05
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Air-assisted forming of aluminum alloy for automotive components 

Reducing weight while maintaining or improving functional requirements is one of the major goals of automotive design and manufacturing, as it decreases fuel consumption and improves structural design. As a result of these considerations, the use of aluminum alloys in car manufacturing continues to ...
By: Taylan Altan, ERC - www.thefabricator.com, 8/9/05
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Get the most out of your press:: Understanding the basics 

All presses go up and down, but that’s where the similarity among them ends. When its time to review your pressroom and research a new press, consider your manufacturing needs, the parts the press will run, all ancillary equipment, raw materials, and the dies that will be making the parts.
By: Dean C. Phillips, Contributing Writer - www.thefabricator.com, 8/9/05
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Draw cushions for mechanical presses: Features and developments 

The use of a draw cushion in the lead-off press of a press line is recommended for the production of high-quality parts to guarantee constant quality through reproducible production parameters.
By: Andreas Lauke - www.thefabricator.com, 7/12/05
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Reoiling technologies for stampers:: Three approaches to an old problem 

The stamping environment has been host to numerous attempts at process improvements over the past few years—some very successful, others discarded as unappealing lessons learned.
By: Douglas Goetz - The FABRICATOR®, 6/14/05
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Hey! Your stamping press is trying to tell you something: How to read 13 signs of press malfunction 

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By: Robert Kotynski - www.thefabricator.com, 5/10/05
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Optimizing spray nozzle performance for lubrication:: The importance of selection, maintenance, and automation 

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By: Bob Adams - www.thefabricator.com, 4/11/05
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Advanced lubricants improve high-strength steel forming: New data uncovers measured results 

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By: Brad Jeffery, Contributing Writer - www.thefabricator.com, 3/8/05
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The real issues behind hydraulic press upgrades:: Avoid pitfalls by thinking ahead 

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By: Gerry Nord - www.thefabricator.com, 2/8/05
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Finding simplicity and efficiency in servo press feeds: Success is right at the keypad 

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By: Brian Landry, Contributing Writer - www.thefabricator.com, 12/7/04
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Servo-driven mechanical presses meet HSS head-on: Control of slide motion, velocity puts stamper in the driver’s seat 

A recent mechanical stamping press innovation, the servo drive is designed to meet challenges related to stamping high-strength steels (HSS).
By: James Landowski - The FABRICATOR®, 10/12/04
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Sequence scheduling in automotive scheduling: Weekly routines demystify production schedules, inventory levels 

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By: Frank G. Rubury, Contributing Writer - www.thefabricator.com, 8/10/04
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Preventive maintenance for hydraulic presses: Daily and yearly checkups save time, money 5 Star Article 

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By: Carl Jean, Contributing Writer - www.thefabricator.com, 8/10/04
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Controlling double sheet in stamping operations: Sensor options and helpful suggestions  5 Star Article 

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By: Fred Goronzy, Contributing Writer - www.thefabricator.com, 7/13/04
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Dangerous curves: Jaguar successfully mass-produces the industry’s first aluminum body structure 

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By: Kathleen McLaughlin, Contributing Writer - www.thefabricator.com, 6/8/04
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Advanced lubricant technology for high-strength steel 

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By: Brad Jeffery, Contributing Writer - www.thefabricator.com, 6/8/04
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Spraying it right: Containing and controlling lubricants 

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By: Stan Reineke, Contributing Writer - www.thefabricator.com, 6/8/04
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Using Monitoring Systems to Improve Stamping 'Batting Average' 

What do baseball players, weather forecasters, and typical stamping plants have in common? Most are less than 60 percent effective.
By: Pat Ontrop, Contributing Writer - The FABRICATOR®, 5/4/04
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Sizing up servo presses: A look at tonnage and energy 

Servo-powered presses will not replace all flywheel mechanical presses. Each technology has its advantages and disadvantages, depending on the stamping application.
By: James Landowski, Contributing Writer - www.thefabricator.com, 4/6/04
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Building a better beast: Improving speed, throughput with mechanical press technology 

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By: Heinz Becker, Contributing Writer - www.thefabricator.com, 3/1/04
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Filling in the blanks: What to look for in an in-house blank shearing line 

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By: Gary Johnson, Contributing Writer - www.thefabricator.com, 12/11/03
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Finding and creating value in your stamping operation: How to analyze your plant to improve profitability 

A different breed of competitor has emerged recently in the stamping industry to challenge traditional thinking. These competitors are companies that focus on time as a basic measurement, giving them the advantages of flexibility, innovation, responsiveness, and low costs. They know how to make mone...
By: Frank G. Rubury, Contributing Writer - www.thefabricator.com, 12/11/03
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High-tech presses: Servo technology meets mechanical presses 

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By: Dennis Boerger, Contributing Writer - www.thefabricator.com, 11/20/03
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Predicting springback in air bending, straight flanging 5 Star Article 

All businesses tied to the metal forming industry are scrambling to find areas in which they can lower costs without sacrificing quality. Adding to this burden are a tight cash flow and a lack of financial resources to invest in process improvement equipment. Therefore, the savings must come from do...
By: Taylan Altan, Contributing Writer - www.thefabricator.com, 10/9/03
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Stamping 101: Chicago-area training facility offers a hands-on education 

To promote real-world stamping training, the Tooling & Manufacturing Association (TMA) wanted to create a resource whereby stampers could receive a consistent, recognized, hands-on education on the industry’s most current equipment.
By: Daniel Kiraly, Contributing Writer - www.thefabricator.com, 9/25/03
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Hydraulic presses make their mark 

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By: Lincoln Brunner, Contributing Writer - www.thefabricator.com, 9/25/03
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Using binder force control, force modulation, to improve part quality, stamping efficiency 

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By: Taylan Altan, Contributing Writer - www.thefabricator.com, 8/28/03
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Virtual tryout: Simulation software simplifies progressive die troubleshooting 

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By: Terry Swan, Contributing Writer - www.thefabricator.com, 8/14/03
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Stamping out bad parts 

Sheet metal manufacturers are under constant pressure to improve and document quality while reducing costs. Furthermore, original equipment manufacturers are shifting responsibility for quality inspections to suppliers, adding extra burdens. New, complex product designs and rigorous processes, such ...
By: Tim Schmidt, John Tyson and Konstantin Galanulis, Contributing Writers - www.thefabricator.com, 8/14/03
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Taking the heat, keeping the current: Heat sinks provide thermal conductivity, electrical isolation 

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By: Ken Wesseln, Contributing Writer - www.thefabricator.com, 7/24/03
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Designing high-strength steel stamped parts for formability 

The use of high-strength steel to manufacture automobiles and other transportation vehicles has increased dramatically. The material’s strength allows manufacturers to reduce vehicle weight substantially and increase fuel efficiency, without sacrificing performance.
By: Art Hedrick, Contributing Writer - www.thefabricator.com, 6/12/03
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Dieless NC forming 5 Star Article 

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By: Taylan Altan, Contributing Writer - www.thefabricator.com, 6/12/03
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Hydraulic forming takes a front seat: How an automotive supplier improved quality characteristics on seat adjuster channels 

For about 50 years roll forming was the process of choice for making seat track channels at Dura Automotive Seat Systems, Stockton, Ill. While the process was high-speed, low-maintenance, and flexible, it also caused channel end flare, twist, and bow.
By: Tom Paisley, Contributing Writer - www.thefabricator.com, 4/24/03
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Truckin' along through a stamping plant: Redesigned truck cab leads to new plant, processes 

International Truck and Engine Corporation's Springfield, Ohio, plant recently undertook the challenge of building a high-performance truck with the dimensional tolerances that meet today's quality standards within a cost structure that would allow it to remain competitive. This new product launch w...
By: Tom Juric, Contributing Writer - www.thefabricator.com, 4/24/03
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Removing scrap efficiently during stamping: An overview of options 

Since the early days of metal stamping, removing scrap from stamping dies and presses has caused many headaches. Because scrap is not the primary product companies produce, it receives less attention than the finished products coming off the press.
By: Paul Tamlin, Contributing Writer - www.thefabricator.com, 2/27/03
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Designing a stamping press for safety: A review of European safety standards 

The design of every machine, no matter how simple or complex, requires attention to operator safety
By: Lee Burk, Contributing Writer - www.thefabricator.com, 2/27/03
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Tier 1 supplier turns auto industry requirement into opportunity: Stamper uses standards for lighter weight, improved quality to take operation to the next level 

With 50 years of metal stamping expertise under its belt, Speciality Stampings LLC, Adel, Ga., has established itself as a first-, second-, and third-tier supplier to the automotive industry. The manufacturer, QS-9000- and ISO 9002-certified, specializes in metal stamping, roll forming, assembly, an...
By: J. Ernest Browning, Contributing Writer - www.thefabricator.com, 1/16/03
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Equipping Your Press With the Right Tonnage Monitor 

This article explains why it's useful to monitor press tonnage, the types of tonnage monitors available, the choices for mounting load sensors, calibrating a monitor, and options available for tonnage monitors.
By: Dan Falcone, Contributing Writer - www.thefabricator.com, 11/15/02
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Absolute Control: Implementing a master control system for hydraulic press lines 

Advanced master control systems in hydraulic press lines are designed to help achieve shorter changeover times, transparency of line operation, minimize personnel requirements, and increase productivity levels and uptime.
By: Paul Sulikowski, Contributing Writer - www.thefabricator.com, 9/26/02
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Creating finger tooling for three-axis transfer presses: A step-by-step approach 

Designing finger tooling that will work effectively with a transfer press die is now easier with the advent of modular, off-the-shelf finger tooling components. Through computer-aided design, stampers can minimize trail-and-error adjustments and reconfigure finger tools or modify die components to m...
By: Tom Zhiqiang Zhang, Contributing Writer - www.thefabricator.com, 7/25/02
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Controlling stamping processes with statistical logic: The load monitor's role in SPC 

The output from a load monitor can be expressed using statistical language, such as X-bar, sigma, and Pareto charts, and histograms, to help stampers make decisions regarding their stamping processes.
By: Richard Wilhelm, Contributing Writer - www.thefabricator.com, 6/27/02
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Evolution of the beast: Mechanical presses adapt to meet current stamping challenges 

This article outlines how mechanical presses are changing to meet a new marketplace. Stampers are adding extra stations to create a more complete part and stamping harder alloys. Servo-driven mechanical presses will make traditional flywheel presses obsolete because they use less energy and can be a...
By: Kathleen McLaughlin, Contributing Writer - www.thefabricator.com, 6/27/02
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Rapid evolution, not revolution: Big changes work their way through appliance stamping shops 

Changes are taking place in stamping operations in the appliance industry, with more on the way. And the science of stamping is improving significantly as a result. In this article, appliance industry executives express their opinions of the state of this technology.
By: Tony Carroll, Contributing Writer - The FABRICATOR®, 5/16/02
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Sheet hydroforming in automotive applications 

Sheet hydroforming can be used in the automotive industry for forming alloys with low formability and prototype applications, among other handy applications.
By: ERC/ NSM, Taylan Altan, Contributing Writers - www.thefabricator.com, 4/15/02
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Shock reduction methods for hydraulic presses: Tips for keeping your stamping operation running smoothly 

Ever wonder how to determine and fix shock on hydraulic pressing operations? The author offers an explanation on how to step a press, reduce blank shock, and eliminate up-stroke shock.
By: Terry Hays, Contributing Writer - www.thefabricator.com, 3/14/02
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What to look for in end-of-arm tooling: Characteristics that affect clamp performance and productivity 

Many factors affect the real cost of clamps used in end-of-arm tooling. Their original price is important, but other factors have a major effect on production. Four of the most important are delivery, flexibility, durability, and useful life.
By: Bruce McIntosh, Contributing Writer - www.thefabricator.com, 2/28/02
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How link motion affects blanking, feeding, and inertia on mechanical presses 

You can reduce shock and vibration in your press operations by modifying your press's slide motion to more effective absorb the press's force.
By: Dennis J. Boerger, Contributing Writer - www.thefabricator.com, 1/10/02
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Hydraulic workholding from scratch: How to select and set up components 

Hydraulic clamps are used in place of manual or toggle clamps to hold the workpiece or tool in place during stamping. This article examines the four steps that comprise the selection and installation of a hydraulic workholding system: cylinder selection, cylinder force and stroke, power source selec...
By: Thomas Eggert, Contributing Writer - www.thefabricator.com, 12/13/01
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Meet the Press: Deciding when to consider hydraulic power for your stamping operation 

The article briefly covers stamping terms and discusses press considerations for those purchasing a hydraulic blanking, stamping, or deep drawing press.
By: Doug Brooke, Contributing Writer - The FABRICATOR®, 11/15/01
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Contract stamper increases die life and draw die productivity: Link-drive presses, value-added services, and employee initiative keep the company competitive 

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By: Heinz Becker, Contributing Writer - www.thefabricator.com, 11/15/01
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Metal stamping and electromagnetic forming: New process improves material formability, reduces wrinkling 

This article describes the development of electromagnetic forming (EMF) and how EMF works.
By: Helen Gallagher, Contributing Writer - The FABRICATOR®, 10/25/01
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The importance of the n value in sheet forming 5 Star Article 

Strain hardening is represented by the exponent n in the flow stress equation, which approximates the relation between true stress and true strain during plastic deformation of a metal. The constant n plays a crucial role in sheet metal forming, and this brief article describes its effects.
By: Taylan Altan, Contributing Writer - www.thefabricator.com, 10/11/01
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Standardizing finger tooling: Modular systems provide alternative to dedicated transfer tooling 

Modular, adjustable, articulated finger tooling for transfer presses may provide the flexibility you need to increase productivity and efficiency in your stamping operation.
By: Sharon Patton, Contributing Writer - www.thefabricator.com, 9/4/01
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Recovering from press overload: Protection systems help to sense overload and minimize machine, tool damage 

This article discusses what hydraulic overload protection system is and gives a brief description of the three main types.
By: Steve Overly, Contributing Writer - www.thefabricator.com, 9/4/01
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Experimenting with flexible blank holder force control: Prototype shows promise for difficult-to-form materials 

The quality of deep drawn sheet metal products is determined largely by the rate at which a sheet is drawn into a die. Varying blank holder force (BHF) as a function of time or the press stroke is of great importance.
By: Leonid Shulkin, Jeffrey Rowan, Taylan Altan, and Gary L. Kinzel, Contributing Writers - www.thefabricator.com, 7/12/01
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Appliance industry takes a shine to powder blank technology 

Among European, Pacific Rim, and U.S. appliance makers and other manufacturers with large-scale, appliance-grade finishing requirements, the use of powder blank line coating systems has grown steadily during the past 10 years.
By: Wade L. Ficklin, Contributing Writer - www.thefabricator.com, 5/15/01
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Exploring upgrades in stamping presses: The top 10 improvements in the past 50 years 

The years have brought a host of improvements to stamping presses as technology has made presses more efficient, safer, and easier to use.
By: Bob Kotynski, Contributing Writer - www.thefabricator.com, 4/24/01
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Leaving the lab behind: Australian students move stamping research to the plant 

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By: Michael Cardew-Hall, Peter Hodgson, and Noel Miller, Contributing Writers - www.thefabricator.com, 4/24/01
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Troubleshooting your stamping operation 

A common thread runs through all effective troubleshooting approaches: the skill of observation. Learn to use it to your advantage.
By: Herb Kamphausen, Contributing Writer - www.thefabricator.com, 4/24/01
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Robotic press tending: vailable equipment and its effects on press productivity 

Robots offer an alternative to automatic transfer presses in applications in which parts must be reoriented (tilted, rotated, or flipped) as they are moved between operations. When selecting a robot for press tending, three of the many features to be considered are size, flexibility, and mountion ...
By: Rob Vieth and Mary Kay Morel, Contributing Writers - www.thefabricator.com, 2/19/01
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Increasing stamping press productivity in the appliance industry: Advances in press technology and materials leave their mark 

An appliance plant with 80 to 100 presses in opeation is likely to buy new presses regularly. Under these circumstances, it makes good sense to pursue aggressive productivity goals inch by inch through steady advances in such prosaic concerns as machiner ergonomics, prventive maintenance, tooling ef...
By: David Messinger, Contributing Writer - www.thefabricator.com, 2/19/01
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Auto industry demands shape the future of stamping 

As the stamping industry heads into a new century, it continues to be driven primarily by the automotive industry.
By: Ohio State University - www.thefabricator.com, 2/19/01
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Choosing a Lubricant for Deep Drawing 5 Star Article 

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By: Mary Linda Schumann and Doris Simoes, Contributing Writers - The FABRICATOR®, 2/19/01
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Forming simulation in the vehicle development process: Latest techniques for deep drawing and stretch forming 

The vehicle development process has been influenced by increasing requirements for quicker and less costly development cycles, combined with reduced vehicle fuel consumption. These requirements are being addressed by new product and process development concepts and the increasing use of high-strengt...
By: Dr. Ing. Volker Steininger, Contributing Writer - The FABRICATOR®, 2/1/98