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Articles tagged with "slitting"
Results: 14
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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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What's new with multiblanking lines?: Advancements in leveling, slitting, feeding, shearing, and stackingMultiblanking lines are used to produce small, accurately shaped blanks directly from large coils. Modern lines can process many different types of material over a range of thicknesses, while still allowing quick changeovers and minimal maintenance. New technology is available in several key areas that limit the capacity of a typical multiblanking line, which include leveling, slitting, feeding, shearing, and stacking.
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Special slitting for specialty metals: Stainless steel has its own issuesMany of today's consumer products, commercial and industrial processing machines, and automotive components are being exposed to continually higher temperatures and more severe corrosion.
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Camber-free slitting for successful stamping: Tooling, techniques for modern looping slittersFor large volume parts runs, problems such as misfeeds, off-center hits and inadequate transfer webbing can cause slitting-induced strip camber. The production of camber-free slitting requires proper material selection, tooling, techniques and inspection practices.
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Everything you need to know about flatteners and levelers for coil processing—Part 1: How flat-rolled metal gets unflatThis is article is part 1 of a four-part series covering flatness and stability in cut-to-length, slitting, and tension leveling operations. This article covers how flat rolled metal gets unflattened, including the 3 categories of defects, how defects are created at hot and cold mills, and how coil processors also create defects.
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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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Slitting ultrahigh-strength steels: Are you ready to process these coil types? |
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Survival of the fastest: Modern cut-to-length line performance |
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A focus on slitting lines: Improving efficiency ... one component at a timeAs manufacturing has moved overseas, the U.S. slitting market has become saddled with overcapacity. Coil processors can improve efficiencies by upgrading the equipment they use in the following areas: coil storage, changeovers in coil and slitting tooling; scrap handling; and tensioning.
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Maintaining a slitting line: Tips for extending equipment lifeA slitting line can operate efficiently for 20 or more years if properly maintained. Modern slitting lines are high-performance machines that are intended to produce 24 hours a day, 365 days a year. As a result, stampers must be sure that all line elements are properly maintained, which represents a titanic effort if you don't understand what components are critical.
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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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Feed to registration: A different way to process round, nested parts efficientlyFor applications such as clutch disks, oil seals, oil filters, and other round stampings, feed to registration with scroll-slit material can reduce scrap rates and, in some cases eliminate the need to retool the job.
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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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