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    <copyright>Copyright © 2026. National Academy of Sciences. All rights reserved.</copyright>
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    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
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      <title>A STUDY OF PARAMETERS GOVERNING CONTINUOUS CARBON DIOXIDE-LASER CUTTING</title>
      <link>https://trid.trb.org/View/431184</link>
      <description><![CDATA[The parameters governing the cutting efficiency of perspex with a continuous carbon dioxide laser were investigated.  It was concluded with regard to an optimum cut that: The conclusion of the present work in regard to an optimum cut can be stated as: i) the perspex can be cut at the fastest speed when the focal plane is approximately 0.0254 to 0.508mm (0.0010in. to 0.020in.) below the surface of the perspex; ii) a maximum depth of cut is obtained in perspex when the focal plane is 0.508mm (0.020in.) below the surface; iii) a minimum width of cut is obtained for approximately the same focal position; iv) the cut obtained at this focal position is of a good quality with almost parallel sides; and v) the theory is adequate to predict spot sizes and hence the width of cut.]]></description>
      <pubDate>Mon, 14 Aug 1995 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/431184</guid>
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    <item>
      <title>USE OF LASERS IN SHIPBUILDING</title>
      <link>https://trid.trb.org/View/440602</link>
      <description><![CDATA[No abstract provided.]]></description>
      <pubDate>Mon, 14 Aug 1995 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/440602</guid>
    </item>
    <item>
      <title>CUTTING PROCESSES - THE RIGHT CHOICE - PART 2</title>
      <link>https://trid.trb.org/View/443568</link>
      <description><![CDATA[Laser cutting and abrasive water jet cutting processes are described.  Their advantages and disadvantages are discussed together with those for oxy-fuel and plasma processes.  See also abstract no. 93051048.]]></description>
      <pubDate>Mon, 14 Aug 1995 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/443568</guid>
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      <title>SHIPYARD OF THE FUTURE, CUTTING AND WELDING WITH LASER TECHNOLOGY</title>
      <link>https://trid.trb.org/View/444021</link>
      <description><![CDATA[No abstract provided.]]></description>
      <pubDate>Mon, 14 Aug 1995 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/444021</guid>
    </item>
    <item>
      <title>LASER PLATE CUTTING AND WELDING</title>
      <link>https://trid.trb.org/View/444025</link>
      <description><![CDATA[This article describes high-power CO2 laser cutting and welding which are becoming accepted techniques in metal fabrication and other production processes.]]></description>
      <pubDate>Mon, 14 Aug 1995 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/444025</guid>
    </item>
    <item>
      <title>VARIETY OF CUTTING PROCESSES SPOIL FABRICATORS FOR CHOICE</title>
      <link>https://trid.trb.org/View/446243</link>
      <description><![CDATA[There are a wide variety of non-contacting cutting technologies available on the market today.  In this article the author reviews a selection of the types available, and outlines their advantages and disadvantages.  He also considers to what extent such processes lend themselves to automation.]]></description>
      <pubDate>Mon, 14 Aug 1995 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/446243</guid>
    </item>
    <item>
      <title>DEVELOPMENT OF LASER CUTTING OF SHEET MATERIAL</title>
      <link>https://trid.trb.org/View/391842</link>
      <description><![CDATA[Gas laser cutting enables a radical change to be made in the process of machining thin sheet metal which allows the process to be automated and mechanized. Because of such advantages as acting on the metal without making contact with it, the small size of the area heated, the chemical purity of the coolant, and the insensitivity of the beam to the action of electrical and magnetic fields, the laser has become an effective tool for machining metal.]]></description>
      <pubDate>Thu, 21 Jul 1994 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/391842</guid>
    </item>
    <item>
      <title>NEW FACILITY FEATURES AUTOMATED HIGH-SPEED LASER WELDING</title>
      <link>https://trid.trb.org/View/154756</link>
      <description><![CDATA[In a new manufacturing technology program, a team of scientists from the Naval Research Laboratory is establishing an ultra-high-speed laser-welding facility. Located at FMC Corporation's Minneapolis ordnance plant, the facility will evaluate the benefits of automated high-energy laser welding over conventional welding processes and determine its value in terms of reduced costs, increased structural integrity, and increased production rate.  The new laser-welding facility combines the demonstrated capabilities of high-speed laser welding with well established numerical control of machine tooling.  It is projected that the new facility should be able to increase welding speeds tenfold and greatly reduce current dependence on labor-intense, manual welding.  Although the initial emphasis of the new program is on laser welding, similar savings are expected to evolve in other processing areas, such as cutting, heat treatment, and cladding, and in areas unique to laser processing, such as surface alloying.  A comprehensive processing system, including all of these operations, could be configured to work with a single high-energy laser serving several work stations in a time-sharing mode of operation.]]></description>
      <pubDate>Wed, 08 Oct 1980 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/154756</guid>
    </item>
    <item>
      <title>DEVELOPMENT OF FLAME CUTTING</title>
      <link>https://trid.trb.org/View/52243</link>
      <description><![CDATA[An overall view of the thermal cutting processes most widely used in the West German steel consuming industries is presented.  Details are given of the Messer Griesheim range of equipment, i.e. stationary machines with mechanical guiding systems, machines using photo-electrical control with coordinate drives, and numerically-controlled machines. The principles of laser cutting and plasma cutting are discussed and some new developments are briefly described. Because of their high power consumption, both air plasma and water injection plasma have found relatively limited use in Europe so far, although with pollution requirements becoming more stringent, they may find greater acceptance.  In contrast, the Messer Griesheim CO2 gas laser with a folded optical resonator is relatively small and has advantageous power/weight output characteristics.  Some practical applications of laser beam cutting are described.]]></description>
      <pubDate>Wed, 11 May 1977 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/52243</guid>
    </item>
    <item>
      <title>CHOOSING OPTIMUM METHODS FOR THE CUTTING OF HULL PARTS, TAKING THE TYPE AND VOLUME OF PRODUCTION INTO ACCOUNT</title>
      <link>https://trid.trb.org/View/52256</link>
      <description><![CDATA[A concise review and analysis of the methods and equipment used for the thermal and mechanical cutting of plate in shipbuilding, including quantitative and other information on the productivity and economics of the equipment types.  A number of recommendations are made as to which methods and equipment are preferable for various cutting and edge-preparation applications.  These recommendations embrace plasma cutting, cutting of pairs of mirror-image plates, flame-cutting, laser cutting, mechanical cutting, and control systems for the machines, and are in broad terms (individual makes of machine are not, in general, mentioned).  A final recommendation is that, where there is a steel throughput of over 30,000 tonnes/yr, three types of machines should be provided: a two-position (i.e., mirror-image) plasma-cutting machine, a single-position plasma-cutting machine, and either a three-gantry flame-cutting machine with three-torch equipment or a two-position flame-cutting machine.  The number of each of these machines would depend on the production volume and conditions.  The possibility of developments in plasma cutting eventually leading to its completely replacing mechanical cutting and flame-cutting is mentioned.]]></description>
      <pubDate>Wed, 11 May 1977 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/52256</guid>
    </item>
    <item>
      <title>LASER WELDING AND CUTTING</title>
      <link>https://trid.trb.org/View/11720</link>
      <description><![CDATA[The first part discusses the principles of laser welding, selecting weld parameters, equipment and tooling, material properties and joint design, new CO2 laser for welding, and applications.  The second part dealing with cutting, considers apparatus, reflectively, power and power density requirements, single mode and multimode lasers, applications, cutting and drilling with laser alone, and future developments.]]></description>
      <pubDate>Mon, 22 Jan 1973 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/11720</guid>
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