Content tagged with "dies"
Results: 30
Spanish
February 9, 2010
Article
December 15, 2009
Sheet Metal Stamping 101
The author of the "Die Science" column in STAMPING Journal®, Art also has written several other series that appear at www.thefabricator.com, including:
Solving Punch Breakage Problems Die Basics 101 Cutting Tooling Costs
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Article
August 25, 2009
Sheet Metal Stamping 101, Part III
Editor's Note: This series presents an overview of metal stamping. Part I of this series focused on the various careers in the metal stamping industry. Part II discussed stamping materials and equipment;
Part III focuses on dies and cutting and Part IV offers more detail about cutting... Read more...
Article
April 1, 2009
Bending rolled steel sections
Bending tube or pipe successfully is a matter of managing a handful of processes and variables. For example, the bending process causes thickening where the metal is under compression and thinning where it is under tension. Too much thickening can result in wrinkles; too much thinning results... Read more...
Spanish
November 6, 2007
Cambie el orden de formado
Configure le prensa de forma que usted trabaje con su flujo natural. Foto cortesía de Wila USA, Columbia, Md.
Con qué frecuencia estima usted que está desechando partes debido a que se formaron al revés o se doblaron con el grupo de herramientas inadecuado? Usted podría estar... Read more...
Article
June 12, 2007
The tao of forming order
The Emperor's guard was patrolling the river near the base of the Great Falls when the scout came running back down the bank. He was short of breath, too excited to speak.
The Captain of the Guard's attention was drawn to the excitement. "Report the cause of this commotion, soldier!"... Read more...
Article
May 8, 2007
Stop wasting time!
Figure 1 Refurbished die carts are in the standby position by the press, ready for the automatic changeover sequence. Staying competitive in today's manufacturing environment is a challenge that all stampers are trying to manage. Running lean is a way of life, and most successful companies... Read more...
Article
April 10, 2007
Tooling coating extends die life, reduces die rework
Die sections with a narrow slot, such as the one shown on the right, can be coated with Phygen's low-temperature PVD process without fear of warping the tool. According to Ron Saling, tooling supervisor, Glacier Vandervell Bearings, attempts to coat this part with a high-temperature, thermal... Read more...
Article
January 9, 2007
Solving punch breakage problems - Part II
Editor's Note: This is Part II of a three-part series that discusses the numerous factors that contribute to punch breakage and solutions to each problem. Part I, which appeared in the December issue of STAMPING Journal, discussed the typical causes of premature failure. Part III, which will... Read more...
Article
January 9, 2007
Draw forming, Part VI
Editor's Note: This is the sixth in a series of seven articles that identify and define the need for a new processing theory for the net shape processes (of which draw forming is one) and that explain the general content and configuration that new theory must have.
Figure 1
Sheet... Read more...
Article
January 9, 2007
Draw forming
Editor's Note: This is the sixth in a series of seven articles that identify and define the need for a new processing theory for the net shape processes (of which draw forming is one) and that explain the general content and configuration that new theory must have. The first five articles in... Read more...
Article
December 12, 2006
Solving punch breakage problems - Part I
Editor's Note: This is one article in a three-part series. Part I discusses typical causes of premature failure. Part II covers the roles of cutting shear and retainers. Part III discusses how tool steel selection, press deflection, and heat from processes such as EDM and grinding affect the... Read more...
Article
December 12, 2006
Solving punch breakage problems
Editor’s Note: Part I discusses typical causes of premature failure. Part II covers the roles of cutting shear and retainers. Part III discusses how tool steel selection, press deflection, and heat from processes such as EDM and grinding affect the likelihood of punch breakage. Read more...
Article
August 8, 2006
Die basics 101 starts with eight basic components
Editor's Note: This article is edited from Part IV and Part V of an article series on thefabricator.com covering stamping die fundamentals and focusing on the components used in manufacturing stamping dies. A stamping die is a special, one-of-a-kind precision tool that cuts and forms... Read more...
Article
June 16, 2006
Draw forming, Part II
Editor's Note: This is the second in a series of seven articles that identify and define the need for a new theory on the net shape processes (of which draw forming is one) and that explain the general content and configuration that new theory must have. Metrics is how things are measured.... Read more...
Article
May 9, 2006
Do you need a die transport system?
If your current method for transporting 5- to 100-ton dies is causing injuries and you need to reduce downtime and costs to stay competitive, now might be the time to ask whether you need a die transport system.
Determining the Need
For a stamper, the primary indications that a die... Read more...
Article
March 7, 2006
Taking the danger out of bottom bending
Liability! It's more than just a word. It is the single reason that manufacturers of press brakes and press brake tooling maintain that you cannot bottom bend with their tooling or machines.
It is all too easy to ruin a tool or upset a ram if the process is done incorrectly. Ram upset occurs... Read more...
Article
February 7, 2006
Die basics 101: Part VI
Previous articles in this series discussed common stamping die components. This article focuses on less common specialty components found only in certain dies, most of which are available from various suppliers. Figure 1 Inidie Tapping Units Image courtesy of Danly IEM. In-die... Read more...
Article
February 7, 2006
A new energy in appliance manufacturing
Flex Bed Panel Forming Die and Press New body styles, colors, and options are a must in the automotive industry. The same goes for household appliances, as colors and shapes — as well as internal gadgetry — continue to evolve. Although consumer demands are partially... Read more...
Article
December 13, 2005
Die basics 101: Part V
Many specialty components can be used in dies, but the most commonly used are die plates, shoes, die sets, guide pins, bushings, heel blocks, heel plates, screws, dowels, and keys—all of which were explained in Part IV of this series. This article focuses on other common components—pads,... Read more...
Article
October 11, 2005
Die basics 101: Part IV
While many specialty components can be used in manufacturing dies, most dies contain certain common components. Die Plates, Shoes, and Die Sets Figure 1 Various die set types Die plates, shoes, and die sets are steel or aluminum plates that correspond to the size of the die. They... Read more...
Article
August 9, 2005
Die Basics 101: Part III
Figure 1
Tandem Line Presses
Photo courtesy of APT. Among the many factors to consider when choosing a production method are the production speeds necessary to produce the required quantity within a given time frame; the material consumption needed for each part; the... Read more...
Article
April 11, 2005
Die Basics 101: Part I
Figure 1 When I conduct conferences, it isn't unusual to have one or two attendees who are new to the stamping die and pressworking world. Some are young new hires trying to learn about stamping, and others are individuals who have been transferred from a different department and... Read more...
Article
February 8, 2005
Solving pierce punch breaking and chipping problems
Figure 1 Having a pierce or perforating punch chip, or worse yet break, can cause severe die damage. It also can result in nonconforming parts because of burrs or undersize holes. Broken punch pieces can fall into the die and crush pads, as well as forming and cutting sections. This... Read more...
Article
November 9, 2004
Successful stamping: It's a 'we' thing
As a consultant and educator, I travel to numerous die shops and stamping plants, and almost all of them have the same basic request: "Can you show these tooling guys how to make the dies run better?" I hear comments like "We sure have a lot of downtime and scrap, not to mention the usual... Read more...
Article
August 28, 2003
Roll out the shelving
These units typically are used in conjunction with overhead cranes, roller arms, and powered conveyors located at the press. The operator pushes a button that rolls out a shelf, picks up the dies with an overhead crane, and takes them directly to the press. Rollout shelves can be manual... Read more...
Article
April 24, 2003
Truckin' along through a stamping plant
The earlier cab models were built in a facility that was converted in 1921 to produce the model S truck line, a truck with a 1.5-ton load capacity and a top speed of 30 MPH. The company determined that it could not competitively launch a new line of vehicles without building a new... Read more...
Article
February 13, 2003
Why use sheet hydroforming dies?
It's a simple fact that the automobile industry constantly strives to reduce vehicle weight, while maintaining or increasing performance and fuel efficiency. Despite major advances in engine and powertrain technology, the need to reduce vehicle weight still exists. Most automobile manufacturers... Read more...
Article
June 26, 2002
Article
March 14, 2002
Galling reduction through die surface treatment
Figure 1: Galling behavior is shown here as a function of draw depth and material gauge. Sheet metal stamping is one of many processes prone to galling, a form of wear. Galling occurs when metals with dissimilar hardness (the die and the sheet metal) come in contact at high speeds... Read more...
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