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High-performance coating helps stamper fight downtime

December 7, 2004

Depending on the severity of the application, some stamping dies require frequent reconditioning or recoating. However, some coating processes are done at such high temperatures that the dies become distorted and unuseable, requiring further regrinding. Omni Mfg. encountered this problem in stamping a heavy-duty hinge. It then discovered FortiPhy UltraEndurance™ from Phygen Inc., which increased the hit count on its dies from 20,000 to 200,000 between recoatings. The coating is applied at a relatively low temperature, so distortion is not a factor.

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Regaining flatness in stamped parts

December 7, 2004 | By Art Hedrick

Of all the geometric tolerances that are difficult to achieve, flatness is one of the hardest. Most stampers probably would much rather try to make a complex-shaped, thin, high-strength steel deep-drawn part than hold a small-tolerance part requiring a tight flatness.Achieving part flatness is a...

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Finding simplicity and efficiency in servo press feeds

December 7, 2004 | By Brian Landry

Upon their debut in the 1960s, servo press feed systems were hailed as the technology for the future. They were recognized for their productivity advantages, a result of digital setups that quickly dialed in feed length and speed parameters, with controlled acceleration and deceleration rates, job...

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Cams, cams, and more cams

December 7, 2004 | By Art Hedrick

How do you choose a store-bought cam for your stamping operation? Hundreds of cam designs are available today from numerous suppliers. Choosing the one that best fits your needs, as well as your budget, sometimes can be very confusing.

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Launching a successful die protection program

November 9, 2004 | By Greg Dickerson

As I entered the clean, well-lit Midwest factory one day, I found several relatively new presses and feeder systems. The shop floor appeared to be well-organized, with material steadily flowing into and away from the presses. The employees seemed to know their jobs and were on task.But when I...

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Servo-driven mechanical presses meet HSS head-on

October 12, 2004 | By James Landowski

A recent mechanical stamping press innovation, the servo drive is designed to meet challenges related to stamping high-strength steels (HSS).

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Using forming assessment tools to make wise die-buying decisions

October 12, 2004 | By Art Hedrick

Establishing a good buying procedure is a critical aspect of the tool purchasing process. All too often tool supplier expectations are not communicated and executed effectively. Miscommunication can cause you to purchase a die that doesn't produce good parts, needs constant attention, wears out prematurely, or has other problems.

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Making a case for in-die tapping

October 12, 2004 | By William Pfister

Never before has competition been greater in the metal stamping industry, both domestically and worldwide.

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Chemical-free cleaning of HSP lubricants

September 14, 2004 | By Brad Jeffery

New requirements for clean, dry parts drive the need for efficient, flexible workcell parts cleaning.

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Survival of the fastest

September 14, 2004 | By Ken Shoop

Because metal fabricators and OEMs have increasingly strict requirements, many suppliers of sheets and blanks must provide high-quality metal stock in terms of flatness, finish, and dimensional accuracy. Competition for every bid is tight, making it easy to take the quality for granted. If every...

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Keep on stamping

September 14, 2004 | By Kevin Enos

To be competitive in a global economy, U.S. stampers must provide defect-free parts, reduce waste, and eliminate downtime while contending with increasing raw material costs and limited availability of some metals. Because stampers have no control over the supply side of the market, they must focus...

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Tackling cutting and piercing problems in stamping operations

August 10, 2004 | By Art Hedrick

Figure 1Poor cutting section designCutting problems, such as die sections breaking, slugs jamming and pulling, and burrs, are common stamping challenges. Many of these problems are caused by poor die design. Others are caused by poor maintenance techniques, improper setup, and poor scrap...

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Preventive maintenance for hydraulic presses

August 10, 2004 | By Carl Jean

Ask 10 stampers what preventive maintenance is, and you'll probably get 10 different answers.Why? Because not all presses require the same maintenance.To keep all of your shop's equipment in good working condition, try developing and implementing a written routine preventive maintenance schedule.An...

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Slitting ultrahigh-strength steels

August 10, 2004 | By Greg Hoon, Ed Basta

The automotive industry's search for stronger and lighter materials spawned new steel grades to meet higher strength-to-weight ratio requirements. While these materials allow automotive engineers to design lighter and stronger components, they present stampers and coil processors with some...

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Sequence scheduling in automotive scheduling

August 10, 2004 | By Frank G. Rubury

Although automakers' demands on automotive stampers fluctuate, under normal conditions, the variation in quantities of parts required is 20 percent or less. Most of the time the variation is substantially lower, although seasonal changes, such as holidays and plant shutdowns, can have an impact on...

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