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Articles tagged with "forming"
Results: 35
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Tube Hydroforming Design Flexibility—Part II |
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Tube Hydroforming Design Flexibility—Part VI |
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Guidelines for forming high-strength materialHigh-strength materials are becoming more common in stamping, especially for the aircraft and space industries. Although they all have their own specific features, they have some common characteristics and typical reactions to stretching and drawing.
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New forms for modern autobody stamping: High-strength, low-weight requirements spur new developmentsWith the introduction of stronger safety legislation and increased fuel prices, auto manufacturers must respond with higher car body stiffness for safety and lower body weight for fuel efficiency. The fields of materials development, engineering, and manufacturing are working together to achieve autobody weight reduction with improved crash characteristics.
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Improve HSS part quality before die tryout: Calculating springback compensation with simulation softwareThe use of high-strength steels (HSS) and aluminum in automotive and other stamping manufacturing is creating forming challenges for tool and die engineers. Forming simulation software, formerly used to predict conventional failure causes, now also enables the stamping tool and die engineer to simulate secondary operations, including springback to avoid expensive and time-consuming die tryouts.
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Meeting the Standard: Five must-have accessories for your next roll formerUsing old roll forming technology is one thing, but it's another to use or buy equipment that does not have essential features that now are considered standard. Learn which five features must be included in roll forming equipment and why they simplify manufacturing.
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A different battlefield, the same strategy: How the OODA Loop applies to businessThe war in Iraq is giving the world a firsthand look at modern warfare and its latest weapons. Embedded reporters and military experts give us blow-by-blow details and explain strategies, logistics, aircraft, weapons, and other tools of war. While war coverage and weapons have evolved since previous wars, the basic strategies remain the same, and these same strategies have found acceptance in business.
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Waste not, want more: General MetalWorks' lean manufacturing practices have helped it earn The FABRICATOR's 2010 Industry AwardIn recent years General Metal Works, Mequon, Wis., has leaned heavily on practices that eliminate waste in its shop floor operations and kept its work force engaged. The efforts have paid off in that no layoffs have occurred during the recent economic downturn, and the company is still on track to finish with $10 million in sales revenue in 2009. The company also has been named the winner of The FABRICATOR's Industry Award 2010.
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The Age of Cautious OptimismWhen it comes to the economy, cautious optimism is as good as it gets.
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EuroBLECH 2008: A celebration of metal fabricating and forming: A visit to Hannover, Germany, for the world's largest sheet metal manufacturing exhibition reveals a European taste for automation and efficiencyEuroBLECH is a celebration more than anything. Most of the booths have plenty of tables and, usually, a bar for customers, distributors, business partners, and friends to swing by, chat, have a drink, and talk about life both in and out of the industry. In fact, unlike shows in North America, a visitor will find materials suppliers—the folks that make the metal sheet, plate, and tube—among the exhibitors. Everyone comes together for this global event.
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Hydraulic forming takes a front seat: How an automotive supplier improved quality characteristics on seat adjuster channelsFor about 50 years roll forming was the process of choice for making seat track channels at Dura Automotive Seat Systems, Stockton, Ill. While the process was high-speed, low-maintenance, and flexible, it also caused channel end flare, twist, and bow.
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Stamping out bad partsSheet metal manufacturers are under constant pressure to improve and document quality while reducing costs. Furthermore, original equipment manufacturers are shifting responsibility for quality inspections to suppliers, adding extra burdens. New, complex product designs and rigorous processes, such as deep drawing and the growing use of exotic materials, are placing greater demands on both quality assurance and development departments.
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Advanced lubricants improve high-strength steel forming: New data uncovers measured results |
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Blanking questions have you on the edge?: Understanding blanked edge characteristics improves stampingReducing the damaging effects of fractures, burnishing, burrs, and rollover improves subsequent forming processes. The blanked edge condition can be improved by adjusting the punch and die clearance tolerance, shaving the area of the defected blanked edge, designing an appropriate contact profile of the tool and die, and understanding the mechanical properties of the sheet metal used.
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Knockout punch: Hand-in-glove fit between application and process has Sanmina-SCI punching out profitsThe system Sanmina-SCI uses to produce rails for Sun Microsystems' large servers is a key factor in Sanmina-SCI's competitiveness when it comes to processing a large, heavy-gauge, complet part, delivered in large volume on an as-needed basis for computer server systems and other similar applications.
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Hot forming: Strong meets light: Caught between NHTSA and CAFECosma International applies its own hot-forming technique to stamping automotive metal components such as A and B pillars, roof headers, roof rails, rockers, door intrusion beams, and bumpers, to meet new CAFE standards for weight, NHTSA requirements for strength, and to counter problems with springback in UHSS components.
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Draw forming: ArrayArray
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Unique forming short cutsDie designers often are faced with how to make a part feature that is unique and possibly difficut to form. Short cuts are discussed for twisting a part, creating a return flange, and making a 90-degree bend.
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Setting up progressive dies: ArrayProper feeding, scrap removal, and shut height calibration are essential for good die setup.
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Drawing on new experiences: Whirlpool Corporation's new line is a flexible approach to refrigerator door fabricationIn the past metal forming in the appliance industry meant giant presses with expensive tooling. Lead-times were forever, and change didn't come easy. Whirlpool Corp. in Fort Smith, Ark., is taking a new approach to metal forming, and flexible technologies are the key.
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Overcoming deformity by design: The importance of keeping the die strip level through progressionsAchieving typical goals in stamping, such as zero development and fewer labor requirements, is made easier when the progressive die strip is kept level through the entire progression. Keeping the strip level can eliminate wave problems caused by incorrect pilot/lifter use occurring in punch forming.
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Setting up progressive dies - Part II: Establishing a good setup procedureProper feeding, scrap removal, and shut height calibration are essential for good die setup.
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Know your bending basics—Part 1Knowing how metal bends and what factors come into play during bending -- especially wipe bending—can make a positive difference in your stamping operation.
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Draw forming: ArrayArray
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Sheet Metal Stamping 101: ArrayArray
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Draw forming Part I : Processing functions: Part I : Processing functionsDraw forming is one of the net shape processes, and, as a result, many of the technology advances in the general field of manufacturing have not been as beneficial to draw forming as one would expect. All too often, such advancements as lean manufacturing, statistical process control, just-in-time, and six sigma, have not resulted in benefits for draw forming.
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Sheet Metal Stamping 101 Part III: Dies and cutting: Part III: Dies and cuttingContinuing his series about sheet metal stamping, tool and die expert Art Hedrick focuses on die basics, including die materials and rudimentary maintenance. He also explains the cutting process and what happens to metal when you cut it with a stamping die.
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Forming exhaust components with an alternative lubricant: Manufacturer cleans up with gelSwitching from an oil-based lubricant to a water-based gel lubricant helped an exhaust-system components manufacturer, Zeuna Starker, reduce costs and cycle time. After studying several types of lubricants, the company chose a water-based gel that was less prone to spilling onto the floor and did not produce smoke during the welding process. The company reaped benefits in decreased housekeeping and disposal costs, and found that it did not need to wash the lubricant residue from semifinished parts before welding.
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Reviewing forming, expansion, and bending applications for welded tubeTube used in production processes that form a part by expanding or bending the tube
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Using punching and forming plates: An alternate method for tube fabricationThis article discusses using punching and forming plates within a stamping press as an alternative to tube bending and end forming machinery.
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The basics of roll form tooling design: Understanding tube forming's not-so-distant cousinYou can successfully roll-form a profile more than one way. In fact, many roll form designers take different approaches to design and development. Also, because the roll forming process has a seeming limitless capacity to produce complex profiles with just as many variables, many roll form designs are one-of-a-kind; therefore, theory can go only so far.
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Opening the gate to efficiency: Farm equipment-maker combines new, custom machines to boost productivitySince 1945 family-owned and -operated Tarter Gate has grown in staff and sales as it has changed the design of its products. To keep up with sales, continue growing the company, and absorb as many rising costs as possible — particularly in steel and fuel prices — the company uses custom machines and new technologies to its advantage.
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Turning the corner on making doors: North Carolina company streamlines the processA small fabricator North Carolina, family-owned company manufactures standard and custom electrical enclosures for the commercial construction industry and a growing number of OEMs.
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Reasons for a press brake upgrade: Adopting new technology takes a change in shop mindsetModern press brakes add intelligence to the machine control and bring programming offline.
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Predicting the outcomes of laser thermal forming: How process simulation brought this technology to industry |
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