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547 results

Have a tool- and diemaker shortage?

February 1, 2016

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The skilled-worker shortage has become a much-discussed topic at industry events and conferences, at FABTECH®, around the water cooler, at association meetings, and in trade publications and in general audience media. It’s even a buzzword in the U.S. presidential campaigns.

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At WITS end with wrinkles, tears, springback in AHSS?

January 26, 2016

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: Stamping AHSS comes with forming challenges such as wrinkling, tearing, and springback. A servo’s controlled force can help resolve some of those problems—and keep you from tearing your hair out.

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How to set up your press, tooling, workpiece for press-to-press robotic transfers

January 19, 2016

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Setting up for robotic press-to-press transfer systems requires some consideration of distances, bolster height, and stroke length, as well as feed length, die clearance and several other press, tooling and workpiece considerations.

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Ask the Stamping Expert: Should light curtains stop a press even if it is traveling up?

January 8, 2016

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Q: We have some manual presses set up in a single part load-and-stamp production mode. The press is equipped with light curtains. When the operator activates the press buttons, he has to wait until the tool runs through the entire press cycle before he can reach into the work area. If he tries to...

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R&D Update: Lightweighting in the automotive industry using sheet metal forming, Part 1

January 7, 2016

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The Ohio State University's Center for Precision Forming provides an overview of design considerations and materials used in lightweighting in the automotive industry in the first part of a two-part series.

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Die Science: How to destroy a die in 7 easy steps (or, how to work every Sunday)

January 7, 2016

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Art Hedrick applies humor to a not-so-funny problem.

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Die Science: How to destroy a press

January 6, 2016

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It’s amazing how many stampers and tool and die shops negate the importance of the press. Shops often “maintain” a press when it stops working. In other words, they repair the press, but they don’t maintain it regularly. I could have just as easily named this article “How to select...

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R&D Update: Flow stress data and FE simulation

November 30, 2015

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Finite element (FE)-based computer software commonly is used in the sheet metal forming and stamping industry for die design and for predicting metal flow and thinning in the formed part. It is a useful tool for predicting and preventing forming defects such as fracture and wrinkling. However,...

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Ask the Expert: How do I calculate press tonnage for swaging?

November 30, 2015

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Q: We are in the process of quoting a new job for the swaging and stamping of copper rod. To do this job, we need to buy a hydraulic press. The goal is to deform copper rods into a flat form on one of the edges. How do we calculate how much press tonnage we need? A: Obviously I would need a...

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Die Science: Training new tool- and diemakers

November 27, 2015

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I must get two or three calls a week from companies needing tool- and diemakers, die maintenance specialists, or die repair specialists. The demand for skilled labor has skyrocketed in the last year or so. Unfortunately, most of the time I can’t help them. The Dwindling Talent Pool...

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Interrelated coil processing reduces cost, enhances control

November 11, 2015

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More stampers are using multiple coil processing methods, including feeding, multiblanking/slitting, recoiling, and blanking, on the same line to achieve flexible fabrication. Benefits of doing so include better control and savings.

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Profiles in stamping: John Boughton

November 11, 2015

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When everything hangs on the frame, and you design the frame, everything hangs on you. Profile of Fiat Chrysler Automobiles frame designer John Boughton reveals insights into his 52-year career.

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3-D transfer die simulation eliminates transfer die headaches

November 11, 2015

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Often, transfer dies are designed, built, and installed in a press, and then stamping manufacturers discover that they have crash interference problems. Then diemakers are sent to fix the problems, but the solutions slow down productivity. Running transfer dies through simulation software first can circumvent those problems.

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Manufacturer revives stamping department with overhaul, press rebuild

November 11, 2015

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Quality Industries made a U-turn on its decision to let its stamping department stall and has reignited the department’s restart with a press retrofit, quick die change (QDC) equipment, and a new press.

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Servomechanical press makes foray into hot stamping

October 26, 2015

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As corporate average fuel economy (CAFE) standards require increasingly lighter vehicles, stamping manufacturers look for innovative ways, such as hot stamping, to form increasingly harder metals. Hydraulic presses have been the default technology for hot-stamping presses. Now servo-mechanical presses have entered the arena that hydraulic presses previously soloed, offering improved energy efficiency, cycle time, and reliability.

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