Content tagged with "coil"
Results: 22
Article
April 10, 2007
Article
April 11, 2005
Analyzing coil handling equipment purchases
Refurbishing can be a cost-effective way to breathe new life into an old piece of equipment. This cam feed was originally built in 1974. Recent economic growth finally has spilled over to the manufacturing sector, so this might be a good time to upgrade your stamping process. While... Read more...
Article
September 14, 2004
Survival of the fastest
Because metal fabricators and OEMs have increasingly strict requirements, many suppliers of sheets and blanks must provide high-quality metal stock in terms of flatness, finish, and dimensional accuracy. Competition for every bid is tight, making it easy to take the quality for granted.... Read more...
Article
August 10, 2004
Slitting ultrahigh-strength steels
The automotive industry's search for stronger and lighter materials spawned new steel grades to meet higher strength-to-weight ratio requirements. While these materials allow automotive engineers to design lighter and stronger components, they present stampers and coil processors with... Read more...
Article
March 11, 2004
New Features in Coil-to-Coil Slitters
Productivity is at the forefront for equipment builders today because their customers demand it, and processing margins for users of coil processing equipment haven't changed from years ago. For a company to be profitable, its equipment has to produce more. It's that simple. To accommodate the... Read more...
Article
December 11, 2003
Filling in the blanks
Because of sluggish economies and uncertain markets, the need to hone a competitive edge is more sharply defined. Many stampers are doing this by taking control of their material inventory and production schedules by adding a cut-to-length blank shearing line. An in-house blank... 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
August 28, 2003
Article
May 29, 2003
Getting it Straight
Before coiled material can pass through a die to produce an acceptable part, it must be straightened. Coil straightening is accomplished by bending a strip of material around sets of rollers that alternately stretch and compress the upper and lower surfaces so that the material's yield... Read more...
Article
May 15, 2003
Examining slit coil handling and packaging
Figure 1 A turret recoiler with two rewind drums and two overarm separators mounted on a 180–degree rotating base can save time by allowing coil tails to be taped or banded while the slitter is running. Today slit coil packaging systems are available for almost every operation,... Read more...
Article
April 10, 2003
Establishing a die setup recipe for progressive dies
To reduce the number of mistakes, it is important to have a good die setup recipe for each progressive tool. The special setup sheet should contain numerous items in checklist form. Setup Checklist All of the following items are crucial to your die-setup recipe. Although some of these items... Read more...
Article
February 27, 2003
Advanced roll forming troubleshooting
If the tooling is fine, you need to begin by dividing the process into three areas: The roll form machine The material being roll formed The setup of the roll form tooling Then start eliminating the areas as potential causes of the problem. Machine Face Alignment One of the most... Read more...
Article
March 14, 2002
Maintaining a coil feed line for optimum production
Object Today's metal stamping facilities are faced with a variety of demands, including increasing production, improving quality, and reducing operating costs. How does a manufacturer attain all of these goals in both good and bad economic times? Some of the simplest and least expensive... 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
The basics of uncoiling
Choosing proper coil handling and processing equipment can improve material handling and jump-start your shop's overall productivity improvement effort. However, before purchasing any one component, you should consider four factors: • Material to be processed • Line speed... Read more...
Article
October 11, 2001
Inspecting for and correcting coil reel damage
Object Q. What is the most common type of failure encountered with payoff or take-up reels? A. The most common failure is overload failure, which occurs when the reel is loaded with coils that exceed the OEM's weight rating. Often, this failure is not evident with a catastrophic event... Read more...
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
September 4, 2001
Presenting coil to a tube mill
Many articles have been written on the different types of entry end equipment for tube and pipe mills. Most of these articles concentrate on the specific equipment that is used to feed the coils to the mill. This article focuses on the presentation of the strip, including the coil end weld, to... Read more...
Article
August 16, 2001
Article
August 16, 2001
Article
June 6, 2001
Protecting surface-sensitive materials in coil processing
In today's world of metal fabricating, reducing the number of steps in the production process is an ever-increasing trend. Fabricators are becoming more efficient by: Feeding production lines with materials that have been slit to the proper finished dimension. Feeding production lines with... Read more...
Article
May 30, 2001
Skelp edge preparation for manufacturing ERW pipe
Achieving a quality weld requires starting with good edges. In manufacturing electric-resistance- welded (ERW) pipe and tube, this is critical. Perfect edges are almost impossible to obtain consistently by rotary side trimming single-width coils or side trimming and slitting master... Read more...
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