Laser Machine Welding

Laser machine welding is the joining of two pieces of material, usually metal, but often these days plastics, using a laser beam. A laser is a single phase, or coherent beam of light often seen in science fiction movies, but the development of the laser beam and its application in laser machine welding allows for advancements in precision welding using this high-energy device, which creates heat when it strikes a surface. Laser machine welding is used for steam tracing and inspection, for surface heat treating, cutting with heat and other precision applications.

The laser, which stands for light amphlication by stimulated emission of radiation, emits photons in a narrow beam. Laser light usually in monochromatic, meaning that it emits light of a single wavelength. Common light emits incoherent light, which goes in all directions over the spectrum. The first working laser was developed by Hughes labs in 1960, but was descended from work done by Albert Einstein in 1916. However, the laser itself is such a recent development that the use of laser machine welding is a fairly recent technological innovation.

Lasers have found applications in many areas since their invention. Modern medicine utilizes lasers for surgery, having realized the ability to perform less invasive surgical procedures than in the past. Also the fine and precise nature of lasers has led surgeons to use them for such delicate operations as eye surgery. In common practice many people today use laser pointers, especially in the classroom. Marksmen use laser sights on rifles. Computer users use laser printers for output rather than old-fashioned methods, and lasers are used for motion detection and security, among many dozens if not hundreds of other applications. Lasers are even used in children?s toys, office photocopiers and in the devices used to lock and unlock car doors. As technology improved lasers worked their way into all aspects of life and it was only natural that applications of lasers to welding technology would occur. The end result of this has been the creation of the laser machine-welding specialty, taking its place next to Mig, Tig, Arc and other welding methods.

Uses of laser machine welding are becoming commonplace in the computer and consumer electronics industry, in space and aircraft technology and with defense contractors. Laser machine welding is often used because it can be much more precise than other welding methods. Laser machine welding is often used for micro welds of hyper small dimensions that conventional welding methods could never touch. Laser machine welding is often used in jewelry manufacturing, engraving, in dentistry, and in the tool and die industry where precision is demanded. Laser machine welding is on the cutting edge of technology, and welders trained to use laser machine welding are some of the brightest and most talented welders in the industry.

Laser machine welding has also found a home in the highly technical and precise welding needs of plastic welding. While plastic welding is often done with ultrasonic welders, many times laser machine welding is the preferred method.Peter Vermeeren is the owner and webmaster of: http://www.machine-and-tool.com - http://www.kamikaze-portal.com and http://www.airsoft-got.es

Foam Cutting Equipment from Riema USA LLC

Clearfield, Utah, Feb. 5 2007 ? Riema USA LLC - There are many uses of hard foam in construction and other industries: insulation of walls and roofs (such as rigid insulation, Insulated Concrete Forms, Exterior Insulation and Finishing Systems), design work (like on stucco and architectural trim), concrete work, packaging, hobbies, and many more.

In construction, the main use of foam is for insulation. Because of increasing energy costs, the U.S. Department of Energy recommends to ?use higher density insulation, such as rigid foam boards, in cathedral ceilings and on exterior walls? which will achieve a R-value ?up to two times greater than most other insulation materials.? Another great use of hard foams in construction is for trim on the exterior and interior of buildings as done by many contractors with foam cutting equipment.

The problem many contractors run into while working with hard foam is its difficulty to be cut into a desired shape. Knifes and saws create un-even and jagged edges. Further, they are never exact, create an immense mess, and one small cut takes a long time to finish.

By using foam cutting equipment, these problems can be solved very easily; Cuts can be made fast, exact, and without creating a large mess. Contractors can see an increase in productivity as well as a decrease in costs right away. Costs savings include: less time spent on each project and a hefty deduction in wasted material. Other benefits include an increase in quality and making the job easier for your workers or yourself.

Most foam cutting equipment cuts foam by using a heated wire. It glides through the foam just like a hot knife cuts through butter. A company that manufactures foam cutting equipment for every industry and use is Riema USA LLC, a Utah based company. Of course many tools on the market have different features. The L-G-S 135 R from Riema USA combines almost all features found on hot wire cutting machines into one affordable and portable package while making the operation of it very easy.

Other useful features found on this tool are a cutting arm that can be tilted to cut vertical angles, an angular adjustable strike ledge to cut horizontal angles, a catch plate to prevent cut off material from falling to the floor, a spring suspension to extend the life of the cutting wire, a strong transformer to finish cuts faster, and a removable cutting arm for custom or tapered cuts, and many more.

To see how much easier working with foam can be visit http://www.foamcuttingtools.com.

Laser Wood Cutting

Ever since its introduction in the mid 1900's the laser has come a long way. From light shows to scientific experiments, this optical phenomenon has been used in a variety of avenues. Today, lasers are being used in the manufacture process as cutting equipment.

Laser cutting devices direct a high-powered laser beam at the required surface. This makes the surface burn, melt or vaporize, giving the end product a high quality finish. Laser cutting is used on a variety of surfaces such as plastic, glass, metal and so on. Wood is another popular surface for laser cutting.

Most laser cutters are powered by CO2. Wood has a high absorption of the 10.6-micron wavelength of CO2. The cutting takes place as a result of a chemical degradation process, where wood fiber is burned away and removed under the pressure of an assist gas. Due to this, the edges of wood articles cut by the laser process appear charred, but there is negligible surface discoloration.

There are several factors that influence the ability of a laser to cut wood. Firstly, the characteristic of the laser beam should be taken into consideration. These include power, mode, polarization and stability. Usually, lasers used for cutting wood range between 200 to 800 watts. However, depending on the application and the intricacy of work, the beam density maybe varied. The equipment and processing variables such as the design of the beam, the feed speed and the type of gas used also greatly affect the wood cutting process. Lastly, the properties of the work piece also affect the efficiency of the laser cutting process. For example, dry lightweight woods are easy to cut, while dense moisture laden woods require more effort.

The laser cutting process scores several advantages over the conventional wood cutting methods. The traditional saw cutting method cannot match the level of accuracy and intricacy achieved by laser cutting. Moreover, the durability of the end product is greater and wastage of materials is minimized. However, with each machine accompanied by a cost of several thousand dollars, it is not an affordable option for everyone.

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Laser Metal Cutting

Laser cutting is a modern technology in which a high-powered laser is directed at the desired surface to cut different shapes and forms. The material usually burns or melts, leaving a high-quality surface finish. Since there is no direct contact between the laser and the surface in use, the level of precision and accuracy in the laser cutting process is much more as compared to conventional methods.

Due to its accuracy and efficiency, laser cutting is used to cut a wide variety of materials. Metal is one such common application. Since ancient times, metals have been widely used for a number of purposes. From weapons and ornaments to construction and packing material, the importance of metals in our day-to-day lives cannot be denied. Today, with the development of fiber optics and information technology, metals have gained a highly specific role. Since conventional processing methods cannot suffice all these modern requirements, laser cutting is being extensively used in metal processing.

Apart from the normal CO2 laser used in most processes, metal cutting employs the use of three other processes, namely Oxygen cutting, Nitrogen cutting and Sublimation cutting. The oxygen process creates more heat on account of the reaction between the metal and the gas. The extra heat assists in the cutting process. On the other hand, when an inert gas like nitrogen is used for cutting the metal, additional power is required.

Since metals are good conductors and reflectors of heat, the intensity of the laser needs to be altered, depending upon the nature of the metal. The laser beam is guided around the metal surface to get the desired shape.

Laser metal cutting offers several advantages over the other processes such as plasma cutting, water-jet cutting and flame cutting. The laser process is not only faster than the other methods, but also offers unparalleled levels of accuracy and quality. The chances of damaging the surface being cut are also reduced.

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Laser Glass Cutting

Laser cutting is a precision cutting method widely used in industrial manufacturing. Laser cutting allows a level of accuracy unmatched by any other cutting method. A high-powered laser is directed at the material to be cut. The material burns, melts or vaporizes, leaving a high quality finish.

Apart from the common materials such as wood, plastic and metal, laser cutting is also widely used in the processing of glass. Glass has become an important component of a large number of applications. Its use is not just restricted to windows and bottles but has expanded to telecommunications and information technology. These modern applications require a higher level of accuracy and precision that cannot be matched by traditional methods.

Traditional glass cutting methods make direct contact with the surface, increasing chances of unwanted scratches and abrasions. Moreover, material losses and glass dust are other problems faced in the conventional process.

The use of lasers has revolutionized the art of glass cutting. The laser beam is used to produce highly complex and accurate shapes with a fine edge finish. The power of the laser beam ranges between 1000 to 2000 watts. Most laser cutters are integrated into an enclosed machine with state-of-the-art software. Since the laser used is a "class 4" laser, care is taken to keep the user away from direct contact. The CO2 laser is the most common device used in glass cutting.

The advantages of laser cut glass are many. Apart from the superb quality edges, flaking, chipping and micro-cracks are almost completely eliminated. Moreover, laser cut glass is up to 3 times more durable than conventional cut glass. Since cutting oil is not used in the process, the glass washing process is also minimized.

Laser glass cutters can be used to cut glass of any thickness with an equal amount of accuracy. From decorative articles and frames to quartz crystal oscillators and display glasses, the use of these devices is limitless.

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Laser Plastic Cutting

Laser-aided cutting has brought about a revolution in the manufacturing industries. These high-powered optical beams are used to cut through a variety of materials such as metal, wood, glass and plastic. The laser is directed at the required surface and moved around to cut the material in the desired shape. Laser cutting gives a finer finish to the end product as compared to conventional cutting methods.

A typical laser beam is about 1/5th of a millimeter in width and has an intensity of 1000 to 2000 watts. Most laser cutting machines are integrated into a CAD/CAM system that helps the user design the end product on a computer before implementing it on the work piece.

Laser cutting devices are proving beneficial in a wide array of industries. The plastic industry is no exception. These optic powered devices are used to cut precise shapes into plastic or acrylic sheets. The lasers can be used to cut plastics of varying thickness by simply altering the intensity of the beam. Lasers are not only used to cut through plastics but also help engrave on various surfaces.

Laser plastic cutting machines bring precision and accuracy to the entire process. Since most machines are fully automated, they can perform complex cutting operations at high-speeds. The laser plastic cutting machines can also be used to cut polymers, polycarbonates and other synthetic materials such as polyesters and rubbers.

The laser cutting method uses a non-contact approach when cutting the material. Due to this, the wear and tear associated with conventional methods is absent, preventing the product from any damage and deformation. The laser process also delivers a finish quality unmatched by any other process.

When using laser plastic cutting machines, care should be taken to avoid the use of flammable plastics such as PVCs. These materials cannot cope with the heat generated by the laser and get damaged easily.

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High Quality Laser Cutting

Laser cutting instruments are very versatile and can cut any kind of material with a laser beam. There are different types of laser systems that are used to fulfill different requirements. The accuracy and ease of use associated with laser cutting has made it very popular for many uses the world over.

Decades ago, the laser made its entry into modern technology. The laser, an acronym that stands for Light Amplification by Stimulated Emission of Radiation, has advanced over time and has many applications today. In fact, different applications use different types of lasers. The applications of lasers range from making holes into soft materials like rubber to cutting high strength steel. An example of laser technology in soft materials is for making holes in the nipples that are used for baby bottles. Laser applications have indeed come a long way.

High quality laser cutting instruments are utilized for cutting a wide range of materials. This technology has the capacity to make holes as small as a few millimeters to making a hole that is several feet wide. High quality laser cutting can be used on a wide variety of materials. It is used to cut most metals, including steel, aluminum, copper, etc. Most of these high quality laser-cutting instruments and set ups, however, have a limit as to the maximum and minimum thickness of metal that they can cut. The numerous uses and applications of high quality laser cutting have made it a preferred choice in many industries.

An increase in the need for high quality laser cutting has seen the appearance of many companies that provide high quality laser cutting services using state of the art equipments. Most of these high quality laser cutting instruments can also hold tight positioning and have a high repeatability tolerance.

There are many requirements wherein the need is to cut something to a precise and close measurement. Precision high quality laser cutting is accurately accomplished with the use of calibrations done on a computer.

Quality work and precision are the two main hallmarks of any job executed with the use of high quality laser cutting instruments.

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Industrial Laser Cutting

Over time, the use of lasers for various types of cutting jobs has increased several times over. Today, laser cutting instruments and systems are being used in many types of industrial laser cutting jobs.

Industrial laser cutting is popular with various precious metal cutting industries, as it allows the precious metal to be cut with high precision. This process results in minimal wastage of precious metals. The precise cut also ensures quality work.

Industrial laser cutting has gained popularity because of its many benefits. Both small and large parts can be cut at reasonable cutting speeds while maintaining very high quality standards. The cutting can be done without the need for repeated passes. The laser cutting width can also be kept at a minimum, even as little as 20 microns in fine sheet material. This ensures very small radii and results in excellent and crisp cutting, even in the smallest of instruments or components.

Lasers also have high repetition rates and high speed. This means that they have an excellent edge over any other cutting method. Good quality and high speed is a combination that makes good commercial sense. Also, the edges cut by lasers have minimum burr, which means that there is hardly any post-processing work required. Besides this, the laser can also be personalized to suit industrial cutting needs.

Apart from this, industrial laser cutting also involves engraving on various systems. This means that industrial laser cutting can also be used for designing purposes.

Most industrial laser cutting involves the cutting of plastic, wood, and metal. However, with the use of lasers growing by the day, industrial laser cutting is seeing many new applications being introduced every day. It is also advisable for any industry that uses other cutting instruments, to shift to industrial laser cutters because of the ease, convenience, and versatility that they offer.

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Laser Cutting Companies

If you are on the lookout for laser cutting companies, the Internet is a good place to start. There are various business establishments that you can choose from offering various kinds of services.

There are companies that offer reliable service when it comes to laser cutting. Also, they provide superior quality alternatives to in-house resources and give a high level of practical knowledge and experience along with confidentiality.

These laser cutting companies have expertise and equipment that is valuable both for medical devices and high-tech clients. They have an impressive list of both traditional and novel laser cutting materials.

They are experts on laser cutting of acrylic, textiles, fabric, plastic, paper, pressure-sensitive adhesives, Mylar, veneers, wood, and Plexiglas. Eurolaser cutting equipment from Germany patterned after Switzerland?s platform is integrated with American lasers.

Cutting through the use of lasers can cut virtually at any angle and shape and through materials that will otherwise be destroyed by other contact-cutting tools. Its features include cutting flat sheets while defining extremely sharp edges. They also have a five axis laser control and have the ability to cut complex and three dimensional corners, shapes, hole, and slots with very high repeatability function. These machines also have kerf width on the minimum with distortion that is ultra-low with no variation due to tool wear, providing an alternative to cutting dies for small productions.

The limitations of laser cutting include being more expensive with high volumes of work compared to stamping. There is also limitation in terms of thickness. Also, laser cutting involves a high cost on capital and maintenance with the need for assistance and cover gas.

Before you choose a reputable laser cutting company, remember to shop around first to guide you in making a sound decision and to save you both time and effort.

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Laser Cutting Jobs

 

Ever since its invention, the importance of lasers has been growing by leaps and bounds. Not only can lasers cut with ease, they can do so with precision and speed effectiveness, all for a minimal cost. Laser cutters have replaced various other kinds of cutters that were available prior to their invention, and their demand has been growing over the years with the growth in the number of laser cutting jobs.

Laser cutting jobs are versatile and virtually anything can be cut with a laser, from delicate material such as fabric, plastic, and paper, to other tougher materials like wood, metal, and stainless steel. And best of all, most of the laser cutting jobs on precision high quality laser cutting systems take no time at all and require minimal human intervention.

The various advantages offered by lasers have led to their usage in different laser cutting jobs. A few examples of such advantages are a reduction in total work time, precision quality work, clean and silent work, as well as other benefits. Since lasers use a non-contact way of cutting things, there is no mechanical pressure on the piece being cut, thereby reducing the chances of wear and tear on the instrument. The laser instrument is not affected by the hardness of the material being cut. The cutting has high degrees of automation and flexibility and offers an ease of integration with other automated systems. As lasers have a high trimming capability, they can produce products that do not require further processing like polishing, de-burring, finishing, etc.

Advantages such as these have ensured the popularity of various types of laser cutting jobs over the years as well as that of the varied applications of laser cutting in several industries.

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Laser Cutting Systems

 

Laser cutting systems are quite in demand for normal and high quality laser cutting of various substances?from fabric to metal. Depending on the need for laser cutting, there are different types of laser cutting systems. These are high speed cylindrical laser cutting systems, CO2 laser cutting systems, ion lasers, diode lasers, fiber lasers, etc.

Ion lasers stimulate the emission of radiation between two levels of ionized gas providing moderate to high continuous-wave output of around 1mW to 10W. Carbon dioxide lasers, on the other hand, use the energy-state transitions that exist between the vibrational and rotational state of the CO2 molecule to emit radiation that is of 10 ?m, wavelengths. Carbon dioxide lasers have the ability to maintain a continuous and high level of power and are typically used for purposes like cutting, welding, etching, and marking applications.

Diode lasers are tunable and allow for adjustments so that they can emit any one of several different wavelengths. The other type of laser is fiber laser that uses optical fibers that are doped with low levels of rare-earth halides used as lasing medium for amplifying light.

Each of the above laser types has its individual laser-making systems, which can be varied according to their use. The strength of different types of lasers produced by different laser systems makes them versatile enough to be used for cutting even sensitive and delicate substances like thin cotton, and also to be used for cutting, scribing, marking, joining, and surface treating a variety of hard materials and metals.

A lot of these laser-cutting systems are high precision equipments. These are attached to computers that control the exact amount and strength of the laser beam. These are excellent for delicate or precision cutting as per exact requirements.

Thus, the choice of a particular laser system totally depends on the type of material that the laser is to cut as well as the purpose of the cut.Laser Cutting provides detailed information on Laser Cutting, Laser Cutting Companies, Laser Cutting Machines, Laser Cutting Services and more. Laser Cutting is affiliated with Lean Manufacturing Seminars.

Small Laser Cutting Machines

There are varied types of small laser cutting machines depending on the type of laser cutting job that you want.

You can cut carbon steel with a CO2 laser. The laser is a device that can produce a coherent and concentrated light beam through stimulation of molecular or electronic transitions to lower levels of energy that cause photons to be emitted. Laser is short for ?light amplification by stimulated emission of radiation.?

Acrylic panels that are cut by laser can be turned into shapes and signs that can be used for lettering outside the building or even inside through laser-cut graphics. There are graphic designers of laser cutting companies that can set up any file to make it ready for laser cutting.

These companies supply products that are laser cut for use by builders, architects, commercial and building designers, floor layers, and other companies specializing in industrial design. You can either set up a meeting with these experts or you can email them for suggestions and advice on the best laser cutting materials and methods.

Commercial building designers are supplied with laser cut panel systems made from aluminum for under boards and eaves. The aluminum laser cut shapes and styles are used by designers of display systems.

Laser cut signs and letters that are dimensional and custom-cut and can build your corporate identity in stores, reception areas, and showrooms. You can even integrate in a cost-effective manner letters and other components into your displays and signage. It also speeds up your fabrication, even in large volumes of work.

Plasma cutting involves burning the materials. The edge finishing is perfect for materials such as acrylic since the laser beam polishes and cuts at the same time. Other materials will either discolor or melt while others can be cut in a precise manner.

So take your pick from various laser cutting tools available on the market.

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