Content tagged with "frame"
Results: 17
Article
November 7, 2006
Fabricator finds tubular niche
Although Illinois is known primarily for its fertile fields and agricultural output, it's home to many manufacturing companies too. John Deere incorporated Deere & Co. in Moline. DaimlerChysler manufactures automobiles in Belvidere. Caterpiller's worldwide headquarters is in Peoria. Where... Read more...
Article
May 9, 2006
Optimizing flow through robotic welding workcells
Figure 1
One of the new CNH systems welds on a loader chassis. Veteran industrial robotic user Case New Holland (CNH), Fargo, N.D., recently installed three robotic welding systems. Each system consists of an inverted robot on a large, three-axis traveling column and two... 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
February 26, 2004
Metal Art Takes on the Fireplace
Figure 1 After tracing the fireplace screen pattern on 12-gauge mild steel plate, Jim Truett performed his intricate cuts with an air plasma cutter. Truett knows his way around a welding power source and its allied tools, consumables and equipment. His job mandates it. But it's... Read more...
Article
December 11, 2003
Taking tubular aluminum scaffolding to new heights
Photo courtesy of Fred R. Tannery Photography, Brooklyn, N.Y. Universal Builders Supply, a temporary-structures company with headquarters in Mount Vernon, N.Y., designs and constructs scaffolding, hoisting, and platforms—big ones. It was the company's proposal for a unique... Read more...
Article
November 20, 2003
Zero to sixty in the blink of an eye
Bruce Van Sant heats the rear tire just before a time trial at The Big Race at Brainerd International Raceway, Brainerd, Minn. It would be no exaggeration to say that Bruce Van Sant grew up around motorcycles. The youngest of three Van Sant brothers, he rode motorcycles all over the... Read more...
Article
October 23, 2003
Programming multiple robots
Figure 1 Two robots can weld on the left side of a large vehicle frame, while two other robots weld on the right side, with all robot motion synchronized by a multiple-robot control. Multiple Robots, Single Process Multiple-robot control can increase productivity in workcells in... Read more...
Article
August 28, 2003
Designing an off-road sport truck
They're big. They're mean. They growl and snarl. Untamed beasts, they're at home anywhere, regardless of the terrain or the climate. They prowl over mountains or deserts or backwoods trails, whether the conditions are warm or cold or wet or dry. They're custom-made off-road trucks, and... Read more...
Article
June 26, 2003
Making hands-free straight, saddle, and miter cuts
Since its inception in 1969, the company had used traditional, manual processes. Pipes were moved into and out of the work area by forklift, and pipe cutting was done with either a hand-powered mechanized torch or a hand-held torch. For straight end cuts, an operator attached a... Read more...
Article
June 12, 2003
Al GMAW: CC or CV?
I've read that constant-current (CC) power supplies are preferred for gas metal arc welding (GMAW) aluminum, but when I visit companies that sell welding equipment, they tell me I want a constant-voltage (CV) power supply. What's the real story? Can I use the more common CV power supplies or... Read more...
Article
June 12, 2003
Loading up on quality, productivity, safety
Like the products it manufactures, CNH Global N.V. has to stay on the move—technologically. The company's Wichita, Kan., facility uses robotic welding to help produce Case- and New Holland-brand skid steer loaders. Powerful yet quick, skid steers can spin on a dime and move heavy... 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
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 11, 2001
Installing and maintaining coil cradles and reels
All stamping and forming operations outside of the powder or forging industries begin with coiled steel. In many fabricators' plants, the decoiler, payoff reel, recoiler, tensioner, or other coil handling equipment require constant maintenance. Installation The nature of the... Read more...
Article
May 15, 2001
Hydroforming of tubes, extrusions, and sheet
Hydroforming tubes, extrusions, and sheet metal is a state-of-the-art enterprise and is just now becoming more popular in the industrial production of frames for light trucks and vans. Figure 1: Hydroforming tubes with outer pressure, though not the norm in the industry, has several... Read more...
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...
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