Article
August 8, 2006
A breath of fresh air
Ten years ago laser cutting offered a distinctive advantage to those who invested in the technology. For the most part, successful laser cutting required gas, optics, and patience. The decade has brought many changes to laser cutting, including higher power levels and faster drive... Read more...
Article
January 10, 2006
Cutting to the chase - Integrating secondary operations
Many tube cutoff machines have evolved to integrate end forming and bending capabilities that normally are considered secondary operations. Considering the tube industry's need to reduce costs to stay competitive, the concept of integrating more operations may sound appealing. An inline system... Read more...
Article
March 8, 2005
Not Your Parents' Workplace
In recent years there has been considerable discussion of a coming labor shortage. A large number of workers are expected to leave the work force when the baby boomers retire, and the younger generations comprise a considerably smaller demographic. According to a study by the Employment... Read more...
Article
January 11, 2005
Balancing work and life
Now more than ever before, it's important to work smarter—to strengthen your job performance and productivity without letting your efforts compromise your personal life and health. Adopting a few positive behaviors can help you work smarter and even enhance other areas of your life.... Read more...
Article
June 8, 2004
Spraying it right
For coil-fed applications, spray cabinets can be mounted to the feeder to accommodate passline changes. Most stampers understand the need for lubricants, but many apply as little as possible so they don't have to deal with the mess. Others take an opposite approach and flood the tool... Read more...
Article
June 8, 2004
Plasma pleases plenty
In case you missed it, check out this excerpt from the article "National research programs explore plate welding for shipbuilding" in the March 2004 issue of The FABRICATOR®: One project objective is to introduce laser cutting technology—which is already being used to cut sheet... Read more...
Article
February 26, 2004
Three optional techniques for beveling
All of these methods generate no dust or fumes and produce paintable edges without distortion or a heat-affected zone (HAZ). Finished edges have consistent angles along the bevel's entire length. Punch and Nibble Method Punch and nibble-style bevelers are portable power tools... Read more...
Article
January 29, 2004
Article
January 29, 2004
Taxing situation
That's why The FABRICATOR® sought out a tax expert to explain the opportunities presented by the Jobs and Growth Tax Relief Reconciliation Act of 2003, signed into law by the president this summer. Mark Sellner is the managing principal of tax services for Larson Allen, Weishair,... Read more...
Article
January 29, 2004
Occupational injury and illness statistics
Statistics also were reported for cases that resulted in days away from work, a job transfer, or restriction and are grouped in two categories: those requiring at least one day away from work, with or without job transfer or restricted activity, and those requiring job transfer or... Read more...
Article
January 13, 2004
Producing side-impact profiles
Euro-NCAP, which stands for European New Car Assessment Program, was introduced in 1997 by five European governments, together with the European Commission. The results of this program are followed closely by the general public, so much so that hardly any automobile producer would risk... Read more...
Article
January 13, 2004
New Year's Resolutions
What causes us to fail to follow-through on those well-intentioned resolutions we make every year? And a more important question is, How do we make them stick? Two things cause people to dump their New Year's resolutions – daily circumstances and overplanning and underexecuting. Circumstances... Read more...
Article
January 13, 2004
Rolling bolsters bolster productivity
Shown out of the press, the guided wheels on this 120,000-pound rigid chain rolling bolster are evident on the front face of the bolster. One element of changing dies in stamping presses quickly and efficiently is the use of a rolling bolster. With this equipment, the operator rolls... Read more...
Article
December 11, 2003
Selecting a stamping die pressure system, Part I
Selecting the stamping die's pressure system can be a critical decision. Many questions must be answered to determine what type of pressure system best suits your application. Controlling Factors 1. Pressure requirements Simple conventional metal cutting dies, such as those used in blanking... Read more...
Article
November 20, 2003
High-tech presses
Figure 1 Complex drive system Stampers are looking to achieve higher productivity, better component quality, longer die life, and increased flexibility. While these capabilities are essential to maintaining an edge in today's competitive environment, they come at a price. New... Read more...
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 20, 2003
Handling appliance steel
As appliance manufacturers strive to reduce costs and streamline production processes, additional pressure is placed on coil processing to produce high-quality, surface-sensitive materials. These materials include pre-painted steel products and decorative metals such as stainless steel,... 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
Tube Hydroforming Design Flexibility—Part IV
Material selection is a very important aspect of design flexibility when striving to fulfill part functionality requirements. Choosing the correct material is fundamental to making the part effectively and efficiently.
The way a material is formed and the conditions it needs to withstand for... Read more...
Article
October 23, 2003
March for manufacturing
Yes, the issue is on the radar screen. People are talking about it. E-mails are racing around the Internet. Letters are being written. Industry associations are working hard to educate, raise awareness, and get attention. The Metals Service Center Institute (MSCI) organized a Town Hall... Read more...
Article
October 23, 2003
Material handling safety
How the material or goods are unloaded or loaded is a key factor in reducing employee injuries. Persons involved in material handling should be able to lift and hold the weight of the material or goods used in their operations. They also must be properly trained in the correct way to lift... Read more...
Article
October 23, 2003
Using a gel-type tube lube
As one manufacturer of automotive exhaust assemblies recently discovered, selecting the most appropriate lubricant for a tube bending operation can have a dramatic impact on part quality, workplace cleanliness, and economic efficiency. Although the liquid lubricant it was using was reliable and... 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
September 25, 2003
Article
September 25, 2003
Getting a handle on work-related hand injuries
Of the 3.6 million work-related injuries treated annually in emergency rooms across the U.S., hands and fingers are the most commonly treated body parts, according to the U.S. Centers for Disease Control and Prevention. More than 90 percent of all acute injuries in the workplace are... Read more...
Article
August 14, 2003
Workplace stress—Part 2
In his bestseller, Spontaneous Healing , Andrew Weil, M.D., wrote, "All illnesses should be assumed to be stress-related until proved otherwise. Even if stress is not the primary cause of illness, it is frequently an aggravating factor. To say that a bodily complaint is... Read more...
Article
July 24, 2003
Die width selection
Most designers and engineers usually place very little importance on achieving the correct inside radius of a formed part. Why? Because the functionality of the part is unaffected if the specified inside radius is 0.062 in. and actual measured inside radius is 0.078 in. So why do we care about... Read more...
Article
July 24, 2003
Using inverter technology
Those familiar with inverters usually know they offer size, weight, and portability advantages. They also can improve reliability by overcoming primary power fluctuations, also known as dirty power. Question: Does the weight of the plasma cutter matter? Answer: Yes, because labor... Read more...
Article
July 24, 2003
Workplace stress—Part 1
Among the many definitions of stress in The American Heritage Dictionary of the English Language is "A mentally or emotionally disruptive or upsetting condition occurring in response to adverse external influences and capable of affecting physical health, usually characterized by... Read more...
Article
July 24, 2003
Improving blank edge conditions
Blanking—like piercing, parting, notching, and trimming—basically is a shearing process. Sheet metal that is sheared undergoes a predictable process and yields a predictable cross-sectional profile. Typically during shearing, as the punch initially engages the sheet metal, it... Read more...
Article
July 24, 2003
Which wire do you require?
Many fabricators overlook the efficiencies they can gain by changing a wire or process. In fact, when you ask fabricators why they're using a particular electrode, some respond with "That's the way it's always been done here," even though another way might yield significant improvement.... Read more...
Article
July 10, 2003
What price workers' compensation insurance?
According to an article in the June 23 issue of The New York Times , the cost of workers' compensation insurance has soared to its highest rate in nearly a decade, adding yet another heavy burden on businesses and the struggling national economy. Nationwide, the average cost of the... 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
The little-known life of the scarfing tool
Just kidding, but I'm sure you get my point. Scarfing tools are pretty boring compared to the greater issues we face since 9/11. I pray for world peace right there with anybody who will listen. But then again, I've been asked many times why tools don't last or why they break after only a short... Read more...
Article
June 12, 2003
Inline process auditing
Sound familiar? What are the options? Today's Audit Today the most widely accepted practice for checking part or process quality is random or, at best, controlled sampling. With these types of sampling, you hope those four parts you checked from 70 are enough to catch a major disaster.... Read more...
Article
May 29, 2003
Predicting the service life of galvanized steel
Zinc, which has been used to hot-dip-galvanize steel for 250 years, provides 50 to 75 years of corrosion protection in many environments. Empirical data collected about hot-dip galvanized (HDG) steel field performance from 1940 to 1980—in environments ranging from industrial to... Read more...
Article
May 29, 2003
Making your own punch and dies
Speaking from 30 years of experience, I'd say this situation probably is a fact of life for 99 percent of us. Whether we are doing some in-house engineering and design or working at the press brake, the thought is the same.
An End to the Dilemma
Sure enough, there is a reasonable solution... 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
Finding the best splice for your light-duty conveyor
In most light-duty conveyor systems, one of the key factors in obtaining conveyor uptime is achieving the optimal splice. Reviewing the available alternatives in light of the realities of your conveyor system will suggest which type might serve your needs best. Belting designed for... Read more...
Article
May 15, 2003
Producing holes in tubing
Producing holes in tubing with punch press tooling can be divided into two main processes: punching and piercing (see Figure 1 ). Tube Piercing Tube piercing is different from traditional hole punching in that a die is not employed on the underside of the material. Instead, external... Read more...
Article
April 24, 2003
Coating fabricating tooling
Exotic metals are being used more often, and stainless steel usage continues to rise in this industry as end users seek better-quality products to stay ahead of their competitors. Coatings have become a major player in helping tube fabricators manufacture parts from such materials. Let's talk... Read more...
Article
November 15, 2002
Equipping Your Press With the Right Tonnage Monitor
Tonnage monitoring equipment has been around for several decades. The early models were sometimes finicky, hard to use, and susceptible to outside electrical interference. Today's tonnage monitors are easier to install, simpler to use, and more reliable. Many types are available to meet the... Read more...
Article
December 13, 2001
Sawing structural and architectural tubing
Figure 1
The circular saw is a commonly used option for cutting structural materials, including (top) solid H beams, and both round (middle) and rectangular (bottom) hollow materials.
Architectural tubing is something of a mixed blessing: On the one hand, the... Read more...
Article
December 13, 2001
Keeping pace with today's punching requirements
Figure 1 The punch, die, and stripper's function still is to punch holes that are a specific size and shape into sheet metal in a specific location. The quest for accurately punched holes, top-quality piece parts, and long tool life can be a positive experience when you consider your... 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 29, 2001
Tooling, the key for mill production
One of the most important lessons any successful tube mill producer learns is that high-quality tooling is mandatory to achieving and sustaining top-grade production values. To put it simply, tooling is to a tube mill as an engine is to an automobile: You can't get where you need to go without... Read more...
Article
November 29, 2001
Making the most of the daily grind
The design and production of abrasives have kept pace with other advances in the welding industry, making grinding and finishing products more effective than ever in helping fabricators to lower costs and improve productivity. Grinding equipment and accessories for this industry are available... Read more...
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
November 15, 2001
Assessing cutting and forming machine tool safety
During the past decade increasingly comprehensive machine tool safety standards have been adopted in many countries, including the U.S. The expanded breadth of recent standards typically includes the entire life expectancy of machines, the full scope of possible risks, the frequency and severity... Read more...
Article
October 25, 2001
Achieving straight-side capabilities in a gap-frame press
Gap, or C-frame, mechanical stamping presses have undergone relatively few fundamental design changes since they were first introduced in the mid-1800s. The basic principle behind their operation, simply stated, is this: Inertial energy stored in a rotating flywheel is converted to a... Read more...
Article
October 25, 2001
Article
October 25, 2001
Comparing single-cut and dimple-free tube mill cutoffs
This article covers the application of single-cut and dimple-free cutoff shear technologies as they are applied to contemporary high-speed tube mills. A single-cut die set is a unit composed of an upper shoe and a lower shoe in which a single severing blade and tube supporting jaws are... Read more...
Article
September 17, 2001
Monitoring laser beam performance
In the last 20 years, the use of industrial lasers for cutting, drilling, welding, marking, and cladding has increased dramatically. Industrial lasers, unlike their laboratory cousins, are not designed with continuous monitoring in mind. The laser often is assumed to be operating at peak... Read more...
Article
August 16, 2001
Sharpening for a longer life
Taking a little extra time when performing routine maintenance on your stamping tools can produce big dividends in tool life and reliability. Production stamping tools typically use hardened tool steel insert components, such as punches, matrixes, and die steels, to perform cutting,... Read more...
Article
August 16, 2001
Article
August 16, 2001
Article
July 26, 2001
Article
July 26, 2001
Achieving faster, more efficient tube mill changeovers
A changeover on a tube mill does not mean just changing the tooling. It means changing from running good tube of one size to running good tube of another size. Many machine configurations can speed up a changeover, such as rafted sections, quick-change fasteners, etc. However, fast changeover... Read more...
Article
July 26, 2001
Article
July 12, 2001
How to Kill a Robotic Project in Five Easy Steps
The same few roadblocks always seem to conspire to either cause a robot project to fail or at least greatly limit its success. Too many manufacturers do things that virtually guarantee that their robots will have serious problems performing as expected. Many of these hindrances have... Read more...
Article
June 15, 2001
Gas-shielded cored wires find their niche
Object Gas-shielded flux-cored arc welding (FCAW) and metal-cored arc welding (MCAW) are growing in popularity for many applications. To determine if these wires should be used, shop managers should understand how formulations of cored wires do or do not fit their quality requirements for... Read more...
Article
June 15, 2001
Article
May 15, 2001
Article
April 10, 2001
8 ways to keep your shear in top shape
Shears are common pieces of fabricating equipment that can be found in many metal forming plants. From tube mills to small fabricators, the shear is one of the most critical and diverse tools used in metal fabricating. Varying in size from small hand-held metal shears and foot-operated trim... 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...
