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STAMPING Journal® - May/June 2002
 
STAMPING Journal® May/June 2002

Publication Information:

Publication:

STAMPING Journal®

Issue:

May/June 2002

Publish Date:

Wednesday, May 1, 2002

Information Website:

http://www.fma-communications.com/sj/

Subscription Website:

http://fma-communications.com/Forms/Digital-Stamping-Subscription-Page.cfm

Selected articles from May/June 2002 issue published on TheFabricator.com:

Giving your press a lift

This article outlines how operational changes, planning, and combinations and adaptations of existing technologies are upgrading quick die change. Die standardization and new technologies, such as mechanical die lifters, box-style lifters rolling bolsters and programmable logic controllers, is making quick die change more efficient and cost effective.

Improving stamping production end to end

Exploring the benefits of welding coils in roll forming and progressive stamping operations. Welding coils can reduce scrap, downtime, and tooling damage. A variety of coil end joiners are described, such as portable, stationary, single-and double-cut, fully automatic, and semiautomatic.

What's new with multiblanking lines?

Multiblanking lines are used to produce small, accurately shaped blanks directly from large coils. Modern lines can process many different types of material over a range of thicknesses, while still allowing quick changeovers and minimal maintenance. New technology is available in several key areas that limit the capacity of a typical multiblanking line, which include leveling, slitting, feeding, shearing, and stacking.

Evolution of the beast

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 adjusted midstroke. Technological advances include real-time press monitoring, automatic die changes, and computerized troubleshooting.

Adding flexibility to stamping operations

You're not afraid of automation. You already have automated several cells around high-volume parts. But now you have a new challenge: Integrate several large presses while still maintaining the flexibility to run lower-volume parts?

Controlling stamping processes with statistical logic

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.

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