Article
November 20, 2003
Reflection—Getting the most from experience
As a sharp leader, you look for ways to evaluate progress. You know how essential it is to benchmark activities that make you successful and eliminate those that do not. You understand that it's advantageous to evaluate where you have been and where you want to go. This evaluation... Read more...
Article
November 6, 2003
Meeting ISO 14001 requirements
First published in 1996, ISO 14001 specifies the actual requirements for an environmental management system. It applies to those environmental aspects an organization can control. Achieving ISO 14001 requires documented improvement. First, you must document your current environmental conditions... Read more...
Article
November 6, 2003
Shedding light on negativity—Part 2
Read Part I . Negative thoughts, feelings, opinions, and comments are normal. Each of us thinks and expresses negative thoughts every day. Often the negatives illuminate problems that need to be addressed. When handled properly, they can lead to positive changes. But when negativity... Read more...
Article
October 23, 2003
Take control of safety
Often invisible to the human eyes, airborne contaminants can have serious consequences for your health. Be familiar with the potential hazards and the effects they can have on your respiratory system. The Occupational Safety and Health Administration (OSHA) standard 1910.134... Read more...
Article
October 9, 2003
Shedding light on negativity—Part 1
Read Part II .
Are you a negaholic—someone who almost always sees the glass as half or totally empty? Do you live or work with one? If you answered, "No" to both of these questions, I'd like to know what planet you live on. These days—which are rife with economic... Read more...
Article
October 9, 2003
Eliminating final trim shearing of hydroformed tube
An alternative to trimming a tube to establish tube length is to form the tube in the preform operation to a geometry that is close to the final product and to seal it during hydroforming with caps that match its formed shape. Generally, a round tube is bent on a rotary draw bender... Read more...
Article
September 25, 2003
Article
September 25, 2003
Stamping 101
Figure 1 The Catalyst To make the facility a reality, in 2000 Mike Chester, president and co-owner of Buhrke Industries, a Tier 1 and Tier 2 automotive stamper, donated 1,750 square feet of space in one of Buhrke's buildings. Once a location was established, many Chicago-area... Read more...
Article
September 25, 2003
Hydraulic presses make their mark
Just like hydraulics technology itself, the market for presses based on it is fluid and dynamic. And for the first time in a while, the tide may be turning in favor of its practitioners. As many manufacturers report prosperity and strong prospects for it in the near future, the hydraulic... Read more...
Article
July 24, 2003
Tuning a piano—making the most of your best resources
Editor's Note: Is your company in survival mode? There are questions you should be asking and steps you can take to improve your company's position—instead of shooting the pianist. Ever listen to someone playing a piano that's out of tune? Remember the sound? Completely sour.... Read more...
Article
July 10, 2003
Six dangerous misconceptions about crane safety
Nearly every product today has a warning label. In fact, many products have multiple warning labels, lights, and bells. We even have warnings telling us our coffee is hot! It's little wonder, then, that many of us suffer from warning overload and just ignore the warnings. Unfortunately,... Read more...
Article
June 26, 2003
Tooling tricks of the trade
Just make it work!" they scream. "I don't care how Just make it work!" As a tooling professional (whether you are a tool- and diemaker, engineer, press operator, or any other member of the team responsible for operating and maintaining that die), you quickly find that "making it work" is... Read more...
Article
June 26, 2003
Selecting a table for abrasive jet machining
Editor's Note: This article is the third in a series intended to help a prospective user evaluate abrasive jet machinery. The first article, Buying an abrasive jet machine , compared the abrasive jet process with other cutting processes. The second article, Software for abrasive waterjet... Read more...
Article
June 12, 2003
Understanding weld discontinuities
A welder's primary concern in any kind of work is ensuring his weld is sound. For this reason, it's important for an inspector examining the weld to be able to spot a variety of weld discontinuities, including: Porosity. Incomplete fusion. Incomplete joint penetration. Unacceptable... Read more...
Article
June 12, 2003
Dealing with internal pressure in free hydraulic bulging
Finite element analysis (FEA) is a numerical process that treats a single item, such as a metal tube, as a large number of small, individual components, or finite elements. It performs calculations on each of the elements and uses the result to predict the deformation behavior of the... Read more...
Article
May 29, 2003
Art From the Forge
It's been happening gradually over the past 25 years, but in the past four or five years, art from the forge is finding outlets in fine art and sculpture galleries, as public art and even jewelry. These motifs, techniques, designs, and objects are heading ironwork in new directions. Much of it... Read more...
Article
May 29, 2003
Defibrillators—Should you have one in your workplace?
Photo courtesy of American Heart Science . In December 2001 the Occupational Safety and Health Administration (OSHA) released a statement encouraging employers to consider making automated external defibrillators (AEDs) available in their workplaces. This announcement followed the... Read more...
Article
May 15, 2003
Solving the mysteries of the fin pass—Part 2
First, some ground rules (assumptions) for the arrangement before we discuss some possible reasons for poor-quality seam welding and their solutions:
1. You are working with a new set of rolls and spacers. We assume that the rolls are manufactured correctly. This eliminates from the equation... Read more...
Article
May 15, 2003
Overcoming organizational paralysis
What if you were powerless or incapable of moving? Wouldn't it be awful if you found yourself in a situation in which you knew you had all the appropriate limbs, plus the desire for movement, but still couldn't move? Paralysis is not something any of us wants to experience or even think... Read more...
Article
February 19, 2002
High-speed feeding techniques
The maximum operating speed of a stamping operation should be limited, in theory, only by the maximum number of strokes per minute (SPM) that the press can achieve. In reality, production speed is limited by other factors as well. For instance:
1. The uncoiler may not unwind... Read more...
Article
December 13, 2001
Pairing a servo feed with a pull-through straightener
Servo feeds have been in use for many years now. People have become comfortable with this technology and it is becoming commonplace. What is not commonplace is the knowledge that servo feeds can be used with pull-through straighteners as opposed to a conventional feed line that uses a... Read more...
Article
December 13, 2001
Hydraulic workholding from scratch
Hydraulic clamps can be used in place of manual or toggle clamps to hold a workpiece or tool in place during stamping. The foundation for effective hydraulic workholding is built on component selection and system connection. Whether the system is simple or complex, the job at hand basic... Read more...
Article
November 15, 2001
Article
November 15, 2001
Article
November 15, 2001
Contract stamper increases die life and draw die productivity
Object Jancox Stampings has remained competitive by investing in link drive mechanical presses from PTC, offering value-added assembly services, and encouraging employee initiatives. The article discusses how the presses work and how reduced speed reduces springback (which allows the company... Read more...
Article
October 25, 2001
Article
October 25, 2001
Common barricades on the road to lean
Shops trying to create a lean manufacturing environment within their businesses sometimes make common mistakes that could be avoided with forethought and a little knowledge of the pitfalls faced by lean pioneers past. Self-imposed Inflexibility Job shops, make-to-order shops, and... Read more...
Article
September 17, 2001
Designing progressive dies
Figure 1: This part was rotated in the strip to maintain critical tolerances better. The decision to produce a part progressively is usually determined by two factors: the volume of production and the complexity of the part. These two factors are instrumental in the design and... Read more...
Article
September 17, 2001
Working safely with metalworking fluids
Metalworking fluids (MWFs) are widely used in many manufacturing industries. These fluids are used in the cutting, machining, and grinding of metal parts to cool and lubricate tools and workpieces, wash away the removed metal, prolong tool life, and prevent corrosion of the workpiece.... Read more...
Article
September 17, 2001
Article
September 13, 2001
Selecting the right materials for roll forming—Part 2
Alloyed Steel In addition to carbon, large varieties of metallic and nonmetallic elements are used to achieve the desired mechanical properties and corrosion resistance. The most frequently used alloying elements are manganese, cobalt, chromium, copper, molybdenum, vanadium, nickel, zirconium,... Read more...
Article
September 4, 2001
Exploring complementary cutting methods
Diversification is the linchpin of running a successful business. The key to producing quality work and investing in equipment wisely is knowing which cutting method—laser, plasma, electrical discharge machining, waterjet, or another—to use for a particular application. While... Read more...
Article
September 4, 2001
Skiving strip edges for tube and pipe producing
Edge treatment of coil strip before it enters a tube and pipe mill, called skiving, is a rapidly advancing technology. Improving the coil edge before it is welded helps increase the quality of the seam join and helps prevent rejected tube or pipe. Traditional Skiving Equipment Edge skiving to... Read more...
Article
August 16, 2001
Article
August 16, 2001
In search of the perfect bend
Press brake manufacturers have made tremendous advances in the art of machine design and manufacturing. Machine frame components are designed to use proven mechanical engineering principles combined with CAD technology to identify the areas most susceptible to stresses consistent with the metal... Read more...
Article
August 16, 2001
Article
July 12, 2001
Automated welding for job shops
A robotic welding system represents a significant capital investment for a job shop. The number and diversity of typical products that job shops produce may discourage any interest in automation, primarily because the company cannot figure out how to justify the system purchase and operation.... Read more...
Article
July 12, 2001
Article
June 15, 2001
Article
June 13, 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
Know your bending basics—Part I
Editor's Note: This article is Part I of a two-part series discussing bending. Read Part II .
Of all of the operations that typically are done in a stamping die, it seems that achieving and maintaining a 90-degree bend are two of the most difficult.
To accomplish these tasks... Read more...
Article
February 19, 2001
Article
February 19, 2001
Article
February 19, 2001
Cutting die-related costs: Where to look to save money
I want it cheaper. I want it better. I want it faster, preferably yesterday. The pace of business in the metal stamping industry continues to escalate. And the trend is not going to reverse. Balancing cost against quality and time can be a real challenge. Add to that the pressures of... Read more...
Article
February 19, 2001
Article
February 19, 2001
Joining aluminum with GTAW: Advice for the novice
Aluminum: beautiful, lightweight, strong, versatile—and a real challenge to weld, especially for beginners. This article describes some of the new gas tungsten arc welding (GTAW) equipment available and its benefits, accessories required, points to consider before welding, and the... Read more...
