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Articles tagged with "coil processing"
Results: 34
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Is metal roofing fabrication right for your shop?: How to ensure your roll forming operation is a good fitWhen deciding wheher or not to produce roofing panels, you need to determine your ROI, based on if you can use existing equipment or need new equipment, the required panel appearance; possible line configuration; and material handling options.
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Rolling to market: ArrayArray
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Pushing plate processing productivity: To speed up fabricating efforts, remove time wasteProductivity increases when manufacturing processes are executed as quickly as possible. Maximizing productivity also means minimizing the nonproductive segments of the manufacturing cycle. When all the time associated with manufacturing—the fabricating process itself, non-process in-cycle time, out of cycle waiting time, downtime, and secondary operations—is minimized that productivity is maximized.
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Big shoulders, long strides: Four-generation family shop starts anewFamily-owned Hansen Steel Services started six years ago with a 600-ft. long empty building and a combined 144 years of experience and built it into a thriving job shop that shoulders large plate fabrications.
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Getting it there yesterday: Greenheck Fan cuts lead-time to, in some cases, mere hoursGreenheck has made a science out of quick lead-times. For most products, customers can place an order and receive a custom fabrication within three to five days, and sometimes in less than 24 hours.
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Everything you need to know about flatteners and levelers for coil processing—Part 2: Flattening solutions and the anatomy of a bend in flat-rolled metalsEditor's Note: This article is Part II of a four-part series covering flatness and stability in cut-to-length, slitting, and tension leveling operations. This article discusses flattening solutions and the anatomy of a bend. Part I, which appeared in the October issue of The FABRICATOR®, discussed how flat-rolled metal gets unflat; Part III in the December issue will address how coil processors can make metal flat so it stays that way; and Part IV in the January 2003 issue will discuss new applications and options in leveling equipment.
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Correcting shape problems in flat-rolled coil: Defining simple and complex shape defectsVarious shape defects can be encountered in flat-rolled ferrous and nonferrous strip. Knowing their mechanics and origins and how to correct them can be very useful in times of need.
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Minimizing knife deflections in coil slitting: How to buy and use the right rotary knives |
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Everything you need to know about flatteners and levelers for coil processing—Part 3: How coil processors can make metal flat so it stays that wayEditor's Note: This article is Part III of a four-part series covering flatness and stability in cut-to-length, slitting, and tension leveling operations. This article discusses how coil processors can make metal flat so it stays that way. Part I, which appeared in the October issue of The FABRICATOR®, discussed how flat-rolled metal gets unflat; Part II in the November issue covered flattening solutions and the anatomy of a bend; and Part IV in the January 2003 issue will discuss new applications and options in leveling equipment.
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Everything you need to know about flatteners and levelers for coil processing—Part 4: New applications and options in flattening and levelingThe best way to eliminate defects in coil shape is to buy prime material. What you get out of any leveler, flattener, or tension leveler is affected by the flatness of the material you put into it.
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Sizing up pallet decoilers: Choosing the proper motor table sizes saves time, moneyThe primary reason for purchasing a decoiler is to increase production. By correctly sizing the machine for your needs, you can increase production and the bottom line.
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Analyzing coil handling equipment purchases: New, used, or refurbished? |
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Evaluating in-house coil slitting: Key areas to consider |
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How to avoid slit-in coil slitting problems: Controlling variables prevents edge wave, width inconsistencies, burrsProblems that can arise during metal slitting include poor edge quality, edge burr, edge wave, camber, crossbow, knife marks, and slit width that is out of specification. Some slitting problems can be attributed to poor metal quality; however, it is much more common for the problems to be caused by other variables and factors during the slitting process.
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Getting a handle on coil handling: One size doesn't fit all when selecting coil handling equipmentCoil handling equipment can take up a lot of space, so it's important to consider different equipment configurations and options that may deliver much-needed floor space.
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New handling instructions: Weiss-Aug. Co. Inc. reorganizes its stamping operations, takes on a new approach to coil handlingIn 2005 precision stamper Weiss-Aug of East Hanover, N.J., achieved a reject rate of less than 1 part per million. The company credits the success to meticulous planning and almost flawless execution. Such an approach applies for Weiss-Aug even when it comes to uncoiling metal.
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Holding the line on metal costs: Reducing coil line scrap can expand your bottom lineStampers and roll formers can look at edge trim, heads, tails, skeletons, and coil damage for ways they can reduce scrap to hold the line on metal costs.
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Doing its level best: Automotive blanker's leveler eliminates costly shape defectsA precision roller leveler, installed between the coil payoff reel and the press equipment, allows an operator to stretch the edges when necessary to compensate for loose centers or stretch the center to compensate for loose edges before the blanking operation.
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The big payoff: Pallet uncoilers help to reduce scrap, labor, and safety costsTraditional coil slinging and hoisting for vertical dereelers and positioning them in coil cradles requires extra personnel and is time consuming because production must be stopped. When a line isn't running—it's not making any money. To keep your line moving, consider a pallet uncoiler.
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Roller leveling 101: A review of the basicsEvery metal coil has unique characteristics. Leveling is achieved by precisely bending metal strip back and forth as it's passed through a series of small-diameter offset rolls.
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Technological quantum leap: Multiblanking line improves output, creates new opportunitiesArme S.A., a Colombian service center, was producing cut blanks for several local, small customers using a 48-year-old Stamco cut-to-length line purchased more than 20 years ago. It served them well over the years, but the company realized it needed to upgrade its technology to take advantage of the market opportunities it saw growing around them.
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Keeping stainless flawless for appliance stamping, fabrication: Processing stainless safely through 7 damage-danger zonesBefore stainless steel is stamped, bent or folded, and fabricated into an appliance, stampers, other fabricators and coil processors need to do damage control as they process stainless steel coil through 7 damage-danger zones.
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Implementing a coil-end joiner: Automotive stamper reduces downtime on its heavy-gauge linesAfter adding a coil-end joiner, automotive stamper Pax Machine Works increased its productivity approximately 33 percent, reduced its scrap, and created a safer working environment.
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Leveling flat-rolled strip: How roller levelers handle the taskOperating a leveler requires training and skill, but computers are making the task much easier. A computer can quickly set the machine to a good starting point and allow very fine adjustment of the back-ups. Once the leveler is delivering good results on a particular coil, the settings can be saved and called up later. That saves setup time when coils are partially run and then sent back to stock.
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6 ways to focus on slitting lines: Improving efficiency ... one component at a timeBy improving entry coil storage, coil inside diameter (ID) changes, slitter tooling changeover, scrap handling, and strip tensioning, you can slitting line efficiency.
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For flawless cosmetic finish, start at the head: A clean straightening head prevents debris damage during coil feedingStamping cosmetic parts in coil feed lines can be challenging. Cleaning the coil feeding head properly can eliminate waste or scrapped parts caused by debris and contamination.
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Choosing between feeding your new stamping line coil or blanks?: Maybe you should feed it bothStampers today need to process more grades and types of material than ever before, yet are under relentless pressure to reduce costs. They increasingly rely on systems integrators and equipment suppliers to design and install versatile stamping lines with quick-change capabilities. A notable case was that of a truck frame and chassis components manufacturer. It worked with vendors to develop a line that processes material up to 0.280 in. thick and 72 in. wide, in a range of yield strengths, in three forms – coil, blanks, or sheet.
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Rolling to market: ArrayArray
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Reducing setup time in strip leveling: Equations minimize trial and error in strip or coil processingEquations help leveler operators significantly reduce the traditional trial and error during setup.
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Rolling to market - Part II: More roll forming, less coil handlingA variety of methods help push a roll forming operation's efficiency. Various coil handling methods offer different levels of efficiency and automation, each suiting certain applications. The key is to analyze an operation, calculate the time spent handling coil, and then determine the best level of coil handling automation to fit.
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Coil feed line considerations when stamping HSS: Making adjustments for stronger steelWith its higher tensile and yield strengths, HSS is stronger at any given gauge than conventional "mild" steels. Initially, lighter-gauge HSS was used to replace heavier-gauge mild steel to reduce weight in many automotive parts, and this continues to be the most widely used application for HSS. However, as a new trend to run thicker and thicker gauges of HSS continues, stamping fabricators are evaluating their press feeding and coil handling equipment, as well as press tonnage capacities and die designs to ensure that these harder parts can be formed effectively. The dynamics of HSS have a bearing on feeding, straightening, and coil handling equipment.
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Understanding press feeds: A primer for the ‘nontechie’Major technology shifts in how stamping presses are fed have allowed press feed technology to evolve, enabling stampers to realize increased processing speeds, improved processing flexibility, easier setup, and better quality and reliability. Even with today's advancements, a press feed must meet three basic and important criteria to be successful: Setup must be flexible. It must deliver the material with sufficient precision into the tool and die. It must feed at the correct time. Advancements in feed technology include pilot release, space-saving line configurations, transfer/progressive operations, and scratch-free processing.
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Stamper rebuffs recession with retool: Magnetic die handling, new press cell, coil feeder provide means to weather stormRichland Manufacturing, a subsidiary of Eagle Wings, a tiered automotive supplier, retooled with a new stamping press cell equipped with an electromagnetic die handling system. The retool efffort also included installation of a 330-ton tie-rod type press, and a compact coil feeder.
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Sizing up servo presses: A look at tonnage and energyServo-powered presses will not replace all flywheel mechanical presses. Each technology has its advantages and disadvantages, depending on the stamping application.
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