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Friday, April 17, 2020 | History

3 edition of Near net shape manufacturing found in the catalog.

Near net shape manufacturing

Near net shape manufacturing

proceedings of a conference : Columbus, Ohio, 8-10, November, 1988

by

  • 318 Want to read
  • 22 Currently reading

Published by ASM International in [Metals Park, Ohio] .
Written in English

    Subjects:
  • Near net shape (Metalwork) -- Congresses.

  • Edition Notes

    Includes bibliographies.

    Statementedited by Peter W. Lee, B. Lynn Ferguson ; sponsored by the Materials Shaping Technology Division of ASM International ; co-sponsored by the Engineering Research Center for Net-Shape Manufacturing ... [et al.].
    ContributionsLee, Peter W., Ferguson, B. Lynn., ASM International. Materials Shaping Technology Division., Ohio State University. Engineering Research Center for Net-shape Manufacturing.
    Classifications
    LC ClassificationsTS200 .N38 1988
    The Physical Object
    Paginationx, 316 p. :
    Number of Pages316
    ID Numbers
    Open LibraryOL2069961M
    ISBN 100871703513
    LC Control Number88083122
    OCLC/WorldCa20828419

    Deformation processes transform solid materials from one shape into another. The initial shape is usually simple (e.g., a billet or sheet blank) and is plastically deformed between tools, or dies, to obtain the desired final geometry and tolerances with required properties (Altan, ). A . @article{osti_, title = {Electrohydraulic Forming of Near-Net Shape Automotive Panels}, author = {Golovaschenko, Sergey F.}, abstractNote = {The objective of this project was to develop the electrohydraulic forming (EHF) process as a near-net shape automotive panel manufacturing technology that simultaneously reduces the energy embedded in vehicles and the energy .


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Near net shape manufacturing Download PDF EPUB FB2

This book covers the mechanism, salient features, and important aspects of various subtractive, additive, forming and hybrid techniques to manufacture near Near net shape manufacturing book products.

The latest research in this area as well as possible future research are also highlighted. Near net shape is an industrial manufacturing technique. The name implies that the initial production of the item is very close to the final (net) shape, reducing the need for surface ng traditional finishing such as machining or grinding eliminates more than two-thirds of the production costs in some industries.

This book sheds light on near net shape manufacturing processes. It covers mechanism, salient features, and important aspects of various subtractive, additive, and forming techniques to. Powder injection molding is a near net-shape manufacturing technique for complex metal or ceramic components.

The first step in the manufacturing process (Figure 1) is the careful choice of the ingredients of the compound that in general consists of a polymeric binder system and the metal or ceramic powder. Binder system is a mixture of all. Near net shape manufacturing can be applied to a wide variety of media.

It's often used in metal working, particularly with titanium and other expensive alloys. This process can also be used in ceramics making, where spray or gel ceramics can offer a near net alternative to milling or machining.

near-net-shape manufacturing examples in advanced process chains Casting: Selected Examples The main advantage of shaping by casting or powder metallurgy is the realization of near-net-shape production of castings and sintered parts, thereby minimizing cutting processing and drastically short- ening the process chains due to fewer process stages.

Net Shape Manufacturing for RocCera Ceramics. Net shape manufacturing focuses on the manufacture of discrete parts to net or near net dimensions. In the past, a ceramic component has been Near net shape manufacturing book to 5x more expensive than a comparable steel component.

Traditional ceramic machining requires diamond tooling and longer processing time. Kuang-Hua Chang, in e-Design, Laser Engineered Net Shaping. Laser engineered net shaping (LENS) uses computer-controlled lasers that, in hours, weld air-blown streams of metallic powders into custom parts and manufacturing molds.

The technique produces shapes close enough to the final product to eliminate the need for rough machining. Near-net-shape describes a group of manufacturing processes. These are designed to limit the material application. It is deposited only within an envelope very near to the final volume of the finished item.

This presentation will show methods where the material is applied by fusion welding. High energy processes like Electron Beam and Laser Beam technology are used. Get this from a library. Near-net-shape manufacturing: proceedings of Near-Net-Shape Manufacturing: Examining Competitive Processes Conference, September, Pittsburgh, Pennsylvania.

[Peter W Lee; B Lynn Ferguson; American Foundrymen's Society.;]. Get this from a library. Near-net shape manufacturing of miniature spur gears by wire spark erosion machining. [Kapil Gupta; Neelesh Kumar Jain] -- This work describes an experimental investigation with the aim to evaluate and establish wire spark erosion machining (WSEM) as a viable alternative for high quality miniature gear manufacturing.

Lee P W, Fergusan B L Near-Net-Shape Manufacturing. The Materials Information Society, ASM International Materials Park, Ohio Google Scholar Ong S K, de Vin L J, Nee A Y C, Kals H J J Fuzzy set theory applied to bend sequencing for sheet metal by: 1.

Near net shape manufacturing of metal: A review of approaches and their evolutions. the aim of reducing product ions costs through the applicatio n of. Net Shaped Solutions provides innovative cold forged product solutions for a wide variety of high-impact applications.

Our process creates products that are stronger, more durable and better engineered. Ask us if Net Shaped Solutions' superior cold forging process can help you become leaner, smarter and more efficient.

Summary This chapter contains sections titled: Process Chains in Part Manufacturing An Approach to Near‐Netshape Philosophy: Principle and Possibilities Near‐Net‐Shape Manufacturing Examples in Adv Author: Reimund Neugebauer, Klaus Herfurth. Near-Net Shape Manufacturing These processes produce parts in a manner which does allow use of rules to relate design attributes to manufacturing ones.

Hence rule based systems found much success here. However recent trend is to use the process physics knowledge and simulation to find out the manufacturability. The ERC/NSM is one of the leading university associated groups in North America conducting R&D and providing education in metal forming (stamping.

Introduction • Net-shape and near net-shape, subsequently referred to as just net-shape, manufacturing can be defined as ‘the manufacture of a component or section of a component by consolidating material with minimal loss or wastage’. Near net shape technologies have expanded these concepts, targeting mainly primary shaping process, such as casting or forging.

The desired outcome of manufacturability analysis for near-net-shape (NNS) processes is cost and lead-time reduction through minimization of process steps (in particular cutting and finishing operations) and raw Author: D.

Marini, D. Cunningham, J.R. Corney. This book covers the mechanism, salient features, and important aspects of various subtractive, additive, forming and hybrid techniques to manufacture near net-shaped products. The latest research in this area as well as possible future research a.

Near-net-shape casting (NSC) is a family of techniques where the initial part production provides a quality surface finish and is close to the final (net) shape. Reducing the need for machining and grinding can eliminate more than two-thirds of the production cost in some industries.

Net and near net shape forging represents some relatively recent developments of the conventional impression die forging process. Net and near net shape forgings are distinguished by geometric features that are thinner and more detailed, varying parting line locations, virtual elimination of draft, closer dimensional tolerances and with many as-forged surfaces.

Near-net shape product solutions based on powder metallurgy from Sandvik - Duration: Sandvik Materi views. How To Form, Pour. Near net shape manufacturing technologies produce components that are close to the finished size and shape, requiring a minimal amount of finishing process such as machining.

Closed die forging is such a near net shape forging process that requires less or no machining. It will be helpful for us to save machining cost.

Modern Manufacturing Technology & Cost Estimation offers a systematic coverage of essential advanced manufacturing processes. Throughout the book authors stress practical approach to near-net-shape and non-traditional (EDM, ECM) processes. Technological developments have recently advanced along with materials, tooling and machines.

This book serves as the. / Near-net shape structures fabricated by micro-robotic deposition using precision extrusion control. ASME/ISCIE International Symposium on Flexible Automation, ISFA American Society of Mechanical Engineers (ASME), pp. (ASME/ISCIE International Symposium on Flexible Automation, ISFA ).Author: David J.

Hoelzle, Andrew G. Alleyne, Amy J. Wagoner Johnson. Comprehensive and fundamental, Manufacturing Technology: Materials, this book covers complete manufacturing technology courses taught in engineering colleges and institutions worldwide.

The book also addresses the needs of production and manufacturing engineers and technologists participating in related industries. Near Net Shape.

Near net shape of simple components Can make use of common Ti stock plates Helps reducing component “time to market” Produce faster LFW’s fast cycle time means less machines One LFW machine can serve several CNCs Start producing quicker Production changeover under 30min possible Typical new tooling manufacture:File Size: 1MB.

Near-net shape quality gears. The majority of forged gears produced today are near-net shape configurations. Gear teeth are forged with an envelope of material (stock allowance) around the tooth profile. This envelope is subsequently removed by the forging house or the customer purchasing the forged gears.

The manufacturing process begins with. The Additive Manufacturing technology is an innovative solution for the manufacturing of Near Net Shape (NNS) or Net Shape (NS).

Forging is a manufacturing process involving the shaping of metal using localized compressive forces. The blows are delivered with a hammer (often a power hammer) or a g is often classified according to the temperature at which it is performed: cold forging (a type of cold working), warm forging, or hot forging (a type of hot working).For the latter two, the metal is.

Manufacturing near-net shape preforms of fibre-reinforced composites has received growing interest from industry. Traditionally, a preform was made from 2D fabrics, but recently, it has been shown that 3D textiles can be used with success; with weaving being the predominant technology for carbon fibre composites.

In 3D weaving, weft, warp and binder fibres run across, along and Cited by: 4. Increasing demands on the industry to produce components to final net-shapes, make this an important and timely book This volume addresses the design, analysis and simulation of near net-shape operations using some of the most advanced computer techniques and tools available.

Composites do not have high pressure and temperature requirements for part processing as compared to the processing of metal parts using extrusion, roll forming, or casting.

Because of this, composite parts are easily transformed to near. Manufacturing of Ti‐6Al‐4V structural parts with linear friction welding (LFW) is explained focusing on main advantages using this technology.

Several studies have been conducted by ACB to understand main stakes of LFW for manufacturing and Cited by: 1. T he objective of the Advanced Near Net Shape Technology (ANNST) project is to radically improve near net shape manufacturing of cryogenic propellant tanks using the Integrally Stiffened Cylinders (ISC) process.

Under NASA’s Game Changing Development Program, the goal of ANNST is to develop innovative spin/flow forming technology that could revolutionize.

This book showcases different processes of fabrication and processing applied to shape memory alloys. It provides details and collective information on working principles, process mechanisms, salient features, novel aspects, process capabilities, properties of material and unique applications of shape memory : Springer International Publishing.

Near net shape technologies have expanded these concepts, targeting mainly primary shaping process, such as casting or forging. The desired outcome of manufacturability analysis for near-net-shape (NNS) processes is cost and lead-time reduction through minimization of process steps (in particular cutting and finishing operations) and raw Cited by: NEAR NET SHAPE COLD, WARM AND HOT FORGING WITHOUT FLASH Engineering Research Center for Net Shape Manufacturing The Ohio State University Engineering Research Center for Net Shape Manufacturing Rm Baker.

Cutting Near-Net-Shape PM Preforms. Near-net-shape machining of powder metal preforms presents a special problem because of composition. "You can measure the hardness of a pressed component at a spot on its surface and get a reading of 30 Rc," says Mr.

Goulding. "But if you measure the hardness of individual particles, the reading might be 55 Rc.". Supplier Information Terms and Conditions. NSS Terms and Conditions (PDF). Forms. The following are PDF forms. For best results, use the most recent version of Acrobat Reader and save the file to your desktop before entering any [email protected]{osti_, title = {Additive Manufacturing of Near-net Shaped Permanent Magnets}, author = {Paranthaman, M.

Parans and Sridharan, Niyanth and List, Fred A. and Babu, S. S. and Dehoff, Ryan R. and Constantinides, Steve}, abstractNote = {The technical objective of this technical collaboration phase I proposal is to fabricate near net-shaped permanent magnets .is needed when the raw material shape is close to the finished part size and shape (called near net shape casting).

8. The foam is melted and vaporized and so moves into the atmosphere around the process. 9. The cavity in the die that the work material is deformed into when the die is pressed into the Size: 1MB.