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Topic: Laser cutting

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	Laser Cutting
		The laser beam is typically 0.2 mm (0.008 in) diameter at the cutting surface with a power of 1000 to 2000 watts.
		Laser cutting takes direct input in the form of electronic data from a CAD drawing to produce flat form parts of great complexity.
		Lasers cut by melting the material in the beam path.
	www.efunda.com /processes/metal_processing/laser_cutting.cfm (358 words)

	Laser cutting - Wikipedia, the free encyclopedia
		Laser cutting is a technology which uses a laser to cut materials, and is usually used in industrial manufacturing.
		Advantages of laser cutting over mechanical cutting vary according to the situation, but important factors are: lack of physical contact (since there is no cutting edge which can become contaminated by the material or contaminate the material), and to some extent precision (since there is no wear on the laser).
		Laser cutters usually work much like a milling machine would for working a sheet in that the laser (equivalent to the mill) enters through the side of the sheet and cuts it through the axis of the beam.
	en.wikipedia.org /wiki/Laser_cutting (480 words)

	Laser Cutting - Laser Cutting Services > Laser Cutting Job Shop, Laser Job Shops, Laser Machining
		Laser cutting is a hot cutting manufacturing and fabricating process using an industrial laser for the cutting of material, usually metal.
		Lasers are not very effective on metals such as aluminum and copper alloys due to their ability to reflect light as well as absorb and conduct heat.
		Laser welding is the process of using a laser beam to connect two or more pieces of metal together by melting the areas to be joined and allowing them to resolidify.
	www.iqsdirectory.com /laser-cutting (2807 words)

	Laser Cutting Paper
		Current laser systems are able to easily cut out any shape presented to them; their computers can generate tool paths, set cutting parameters and optimize nesting so that the manufacturing process is highly automated.
		The laser beam, aimed vertically down in the drawing, is focused by a lens onto the surface of the material to be cut.
		While the majority of laser cutting is performed on metal, the process has the great value that it is not limited to hard, conductive materials.
	www.laserk.com /newsletters/papercut.html (2868 words)

	Nozzle for laser cutting head - Patent 5128508
		The laser cutting head in accordance with claim 9 wherein said receptacle has a axially extending slot therein and said laser cutting head has a depending pin thereon which is engaged in said slot to effect radial positioning of said nozzle assembly.
		The laser cutting head in accordance with claim 9 wherein said receptacle has a contact on its upper surface which is electrically connected to said insert by said conductor which extends through a longitudinal passage in said receptacle.
		If the workpiece to be cut is not perfectly flat, it is necessary for the focal point of the beam, and generally the entire laser cutting head, to be moved upwardly and downwardly to maintain the desired spacing of the focal point relative to the surface of the workpiece.
	www.freepatentsonline.com /5128508.html (2395 words)

	[No title]
		The advantage of laser cutting is the simplicity of handling without having to worry about stretching or distorting of the material due to the impact of a cutting tool.
		The ability of Mazak lasers to switch from cutting one material type and thickness to another without operator intervention is a prerequisite for the level of untended cutting provided by the Mazak FMS.
		The characteristics of the laser cutting process relate to the fact that the beam can be focused to a spot of less than 0.5mm diameter to achieve these very high power densities.
	www.lycos.com /info/laser-cutting.html (581 words)

	Laser Cutting
		Laser Cutting produces exact cuts in virtually any shape, at any angle, and through materials that would destroy or be destroyed by contact cutting tools.
		The LASER, an acronym for "Light Amplification by Stimulated Emission of Radiation," is a device that produces a concentrated, coherent beam of light by stimulating molecular or electronic transitions to lower energy levels, causing the emission of photons.
		One hundred percent of the laser light will be reflected off the rear mirror and thirty to fifty percent will pass through the front mirror, continuing on through the shutter assembly to the angled mirror and down through the focusing lens to the workpiece.
	www.ebteccorp.com /lasercut.html (295 words)

	Laser Cutting Machines
		Simply knowing the laser power is only half of the equation to cutting, how quickly you move that laser over the material determines how much burning power you are applying to any one spot.
		Cutting Formica is rather violent in the laser.
		Air assist on a laser is where a jet of air is directed at the cutting point.
	www.inlay.com /cnc/laser/index.html (4631 words)

	Laser Wizard - Laser Cutting and Watejet Cutting specialists based in Sydney.
		Both the laser and waterjet machines are advanced manufacturing processes that are computer controlled and produce components with inherent accuracy, repeatability and precision.
		Laser Wizard are cutting specialists, providing a practical and affordable service using either a laser or a waterjet cutting machine.
		Waterjet cutting has a number of advantages over laser cutting, and is particularly suitable with low melting point and inflammable materials such as aluminium.
	www.laserwizard.com.au (371 words)

	Auger Laser Cutting
		Laser cutting is the cutting process wherein gases are excited by electricty, creating a concentrated and targeted heat source.
		One of the greatest benefits to laser cutting is that there are no expensive tooling charges — this makes laser cutting absolutely ideal for prototyping and subsequential runs while refining a design.
		The laser cutting process is well suited to a variety of materials, such as wood, paper plastics, rubber, and foams to name a few.
	www.augerlasercutting.com /lasercutting.htm (369 words)

	Laser Cutting
		Skilcraft currently operates six CO2 Lasers, including a new Trumpf L3040 laser cutting system that can handle sheet steel up to 3/4" thick with an X Y work range of 120" by 60" in a continuous manufacturing cycle.
		Complementing the new L3040 is a Trumpf L4030 laser cutting system, a pair of CL-707's and a pair of CL-7's, the predecessor of the CL-707.
		Laser cutting technology can be applied to a broad range of materials including: Tool Steel, Aluminum, Wood, Acrylic and Plastic.
	www.skilcraft.com /laser.htm (184 words)

	Laser Cutting - Aloma Shim And Manufacturing (Site not responding. Last check: 2007-10-17)
		While structural steel of 2-3 mm could be cut with great difficulty 15-20 years ago, and no one could imagine that it would ever be possible to cut more than 10 mm, it is possible nowadays to cut 20-25 mm structural steel with ease.
		The ever increasing quality of the laser sources meant that the process reliability could also be raised, with many Bystronic systems operating round the clock, the third shift usually with very few workers.
		The laser cutting systems still cut approximately 70% structural steel, but the share of stainless steel and aluminum is becoming larger.
	www.aloma.com /lasercut.aspx (567 words)

	Laser Cutting, Laser Engraving and Laser.
		Laser light can be highly intense — able to cut steel and other metals.
		Population inversion is also the concept behind the maser, which is similar in principle to a laser but works with microwaves.
		The first working laser was made by Theodore H. Maiman in 1960 at Hughes Research Laboratories in Malibu, California, beating several research teams including those of Townes at Columbia University, and Schawlow at Bell laboratories.
	www.laser-cutting.biz /definition.html (579 words)

	Laser-Cutting Paper Specifications (Site not responding. Last check: 2007-10-17)
		cut area: 5.5" x 28" is the most cost effective maximum area.
		Lasered art must be on a separate "layer".
		Laser Excel has a full-time art staff to assist you with art preparation and sheet layout.
	www.laserexcel.com /laser-cutting/paper_specs.html (305 words)

	LASER PROCESSES-CUTTING
		Laser power is defined as the rate at which energy is delivered by the beam and is measured in units of Joules/second or Watts.
		In Figure 2 the cutting speed is given of various CO lasers of different power cutting sheets of mild steel.
		The width of the cut is 2.0 mm.
	chem.lapeer.org /physicsdocs/Goals2000/Laser1.html (1807 words)

	Laser Cutting - Online Machine Shop - Laser Cut Parts
		During laser cutting, a beam of high-density light energy is focused through a tiny hole of a nozzle.
		CNC Laser cutting is a popular process for cutting simple to intricate designs accurately and is used widely for many applications.
		Metals such as aluminum and copper alloys are more difficult to cut by laser due to their ability to reflect the laser light as well as absorb and conduct heat.
	www.emachineshop.com /machines-kerf/laser_cutting.htm (411 words)

	CO2 Laser Cutting Centers
		The laser cutting installations from the TRUMATIC L 3030 -L 4030 - L 6030 series are all based on a uniform machine design.
		The cutting head of the TRUMATIC L 3030, L 4030 and L 6030 is easy to use : the quick-change system allows the cutting head to be exchanged in a matter of seconds.
		Cutting speed needs to be calculated precisely here, while Z-axis travel also has to be taken into account.
	www.emtmftm.com /co2__laser_cutting_centers.htm (1460 words)

	Laser Cutting Basics - How to Cut with a Laser System
		Laser cutting materials with a CO2 laser allows you to create intricate designs and highly detailed inlays with a low-cost, highly profitable tool.
		The laser creates a beam of light that is used to cut through the material, so there is no part of the laser system in contact with the material you are cutting, so gravity can hold the material in place.
		The laser system will engrave and cut with the one system, so to let the laser know that the lines we have on screen are to be cut out, we set them to.001".
	www.epiloglaser.com /laser_cutting.htm (604 words)

	sei spa cutting laser machine
		Laser cutting is nowadays used in different industrial and artisan fields to process different materials or by products such as wood, fabrics, paper, plastics and metal etc.
		The advantages of laser cutting technology are: high productivity, accuracy, no contact between tool and material, high speed and process repeatability.
		Thanks to its long experience, to its continuos efforts to deal with different applications SEI has produced a wide range of laser cutting systems based on Co2 laser sources from 10 to 1500watts and it is in a position to supply
	www.seispa.com /eng/lasercutting.html (120 words)

	Laser Cutting, Laser Cutting Services- The Laser Shop (Site not responding. Last check: 2007-10-17)
		Lasers are capable of cutting steel, super alloys, copper, aluminum and brass.
		Lasers have the ability to cut most materials, due to a non-contact cutting process.
		Lasers are also very cost-competitive because of low fixture costs, high feed rates and minimal downtime.
	www.thelasershop.com /lasercutting.html (312 words)

	Optimizing CO2 laser use: Part I
		Besides generating the laser beam, gases are used to protect the transmission of the beam from the resonator to the workpiece and also to cut the material (Figure 1).
		Cutting parameters, such as the focus point, assist gas pressure, and gas type, can be changed remotely via a cutting database table, and selection depends on the process to be performed.
		As soon as a laser is activated, a series of reactions begins to occur within the resonator, separating the CO molecules into carbon monoxide and oxygen.
	www.thefabricator.com /LaserCutting/LaserCutting_Article.cfm?ID=1245 (1505 words)

	Laser cutting vs. plasma cutting - standard metal cutting processes
		Laser manufacturing processes compete both technically and economically with conventional and nonconventional manufacturing processes such as mechanical and thermal machining, arc welding, electrochemical, and electric discharge machining (EDM), abrasive water jet cutting, plasma cutting, and flame cutting.
		Plasma (arc) cutting was developed in the 1950s for cutting of metals that could not be flame cut, such as stainless steel, aluminum and copper.
		The power source and arc starter circuit are connected to the cutting torch through leads and cables that supply proper gas flow, electrical current flow, and high frequency to the torch to start and maintain the process.
	www.teskolaser.com /laser_cutting2.html (598 words)

	Laser Cutting of non metals
		Current applications of this laser cutting technology are the laser drilling of holes into rubber profiles, perforating of plastics and the cutting of fibers.
		Most of our laser cutting systems for flat or rolled goods and our "on-the=fly" applications are based on opitcal tools and use only very little mechanical parts.
		Laser cutting works contact free, without any residue, is fast and extremly precise and very cost efficient.
	www.adapt-laser.com /applications/cutting/cutting.html (282 words)

	Laser Cutting
		Laser cutting offers the ultimate in precision and smoothness in cutting steel plate.
		We use laser to cut all of our light gauged blanks, and offer this service to you for your custom steel shapes and precision parts.
		Tolerances on the laser are + -.005", which can eliminate the need for extra machining in many cases.
	www.shamrocksteel.com /laser_cutting.html (91 words)

	Custom Laser Cutting Service
		We cannot laser cut metals, PVC, vinyl, polycarbonate (Lexan), or carbon fiber; www.dcwaterjet.com may be able to help you cut these materials.
		Upon receiving your design, we can often laser cut and ship your part to you within a few business days (our standard turn time is five business days).
		The laser cuts at a slight taper (since the laser beam is conical rather than cylindrical).
	www.pololu.com /laser_cutting.html (1408 words)

	Laser Cutting Services - Laser Welding - Laser Fusion
		At Laser Fusion we can download your dfx files to create 4 axis CNC motion to produce very complex laser cut shapes.
		Lasers have the ability to cut the hardest materials and leave burr-free edges without causing distortion.
		Laser cutting is also suited for rapid prototyping of parts which provides a cost effective solution for short run production, making a good alternative for stamping.
	www.laserfusionwelding.com /cutting.htm (109 words)

	Industrial Laser Cutting and Laser Engraving Systems - Kern Lasers
		Kern Electronics and Lasers, Inc. is a leading manufacturer of industrial laser cutting and laser engraving systems.
		The 52 Series laser cutting and laser engraving machine from Kern Electronics and Lasers, Inc. offers a rugged steel table structure that will hold up to your demanding industrial production schedules.
		The laser metal cutting option can be added to any Kern laser cutting machine.
	www.kernlasers.com (192 words)

	LLTI - Laser cutting parts on flat or three dimensional materials
		Cutting of flat or three-dimensional ceramic parts for use as components or IC substrates.
		Diamond, sapphire, and graphite composites are among the materials suitable for laser cutting.
		Laser sources include CO2, YAG (wavelength 1.06um, 0.532um and 0.355um) and Excimer lasers.
	www.laserusa.com /services_cutting.asp?section=services&page=cutting (224 words)

	Laser Cut, Laser Engrave, Laser Services
		Like many laser able materials, an adhesive backing can be applied prior to cutting the finished shape enabling the end user to be able to peel and stick.
		Many fabrics cut well and in many cases the cut edges are sealed as in the case of NYLON fabrics so that the finished edges will not fray.
		In addition, we generally think of engraving as a rastering process where the laser behaves like a dot matrix printer firing and burning the material as the head transverses the material at an instructed DPI or “resolution”. We also engrave, using our cut mode; vector cutting, which enables us to “Etch” with very fine detail.
	www.vtlaserworks.com (467 words)

	Amazon.com: Co2 Laser Cutting: Books: John Powell (Site not responding. Last check: 2007-10-17)
		The discussion covers the cutting of metals and non metals on a wide range of levels, from practical advice and processing parameters to explanations of the physical and chemical reactions which take place in the cut zone.
		Covers the cutting of metals & non-metals on a wide range of levels, from practical advice & processing parameters to explanations of the physical & chemical reactions which take place in the cut zone.
		Laser Measurment Sensors from Acuity — Acuity laser measurement tools are made in the United States and are used by worldwide customers in forest products, metal working, medical and heavy industrial applications.
	www.amazon.com /Co2-Laser-Cutting-John-Powell/dp/1852330473 (912 words)

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