Content tagged with "flow"
Results: 12
Article
November 9, 2004
On the road again
Just a missed exit away from the Caterpillar facility in Morton, Ill., contract manufacturer Morton Metalcraft Co. teems with noise and activity. It seems fitting that the company's headquarters is planted among rich, green farmland and gravel-dust-steaming road construction sites,... Read more...
Article
September 14, 2004
Where abrasive waterjets shine
One of the first applications for abrasive waterjet technology was blanking sheet metal made of high-strength steels (HSS), such as Inconel® alloys and Hastelloy®, and titanium for jet engine applications. Although the technology was designed to help meet the challenges associated... Read more...
Article
November 6, 2003
Choosing the right oxyfuel gas and supply system
Photo courtesy of Weldstar Inc. Cutting In oxyfuel cutting, an oxygen jet, not the preheat flame, performs the cutting. The oxygen jet oxidizes the material and expels the heated material from the kerf. The purpose of the preheat flame is to heat the material to the ignition... Read more...
Article
October 9, 2003
Using finite element analysis to roll-form tubes
Figure 1 Roll forming causes yield stress, flow stress, and hardness variations in material properties around a tube's circumference. These variations may lead to premature bursting or excessive thinning in hydroformed parts. This makes it necessary to determine the effect roll forming... Read more...
Article
August 14, 2003
Toolmaker tricks
This article focuses on a few tricks of the tooling trade that have been used for years. It is very important for toolmakers, troubleshooters, and technicians to make rational data based decisions regarding permanent corrective action. These tricks are intended solely for data gathering purposes... Read more...
Article
August 14, 2003
Keep it clean
A variety of technologies for treatment of industrial waste fluids produced by metalworking processes are available. Some of these technologies can treat waste from complex waste streams, even commingled, and allow you to reuse the water in your forming processes. Waste Treatment Options... Read more...
Article
June 12, 2003
Designing high-strength steel stamped parts for formability
The problems associated with forming high-strength steel often are created during the design stage, when products are designed in such a way that they cannot be manufactured using conventional stamping methods. Or the product requires numerous or special offline operations, such as annealing or... Read more...
Article
August 16, 2001
Article
May 30, 2001
Key design principles for successful deep drawing
Successful deep drawing depends on many factors. Ignoring even one of them during die design and build can prove disastrous. However, regardless of the many factors involved, the most important element to a successful deep drawing operation is initiating metal flow. The following are key... Read more...
Article
May 15, 2001
Mill coolant system design
Coolants are used to wash away oils, oxides, slivers, and dirt generated during the forming, welding, and sizing of tubes and roll-formed profiles. These coolants are a mixture of water and refined chemicals that help cleanse the process, protect part finish, extend tool life, and inhibit rust... Read more...
Article
April 24, 2001
Examining electric resistance weld nuggets in tube and pipe
An in-depth examination of electric resistance welding (ERW) weld nuggets as a quality control step in the manufacturing of high-strength tube and pipe used for pressure applications has been a proprietary procedure for some manufacturers for several years. Types of pressure-application tube... Read more...
Article
February 19, 2001
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