Laser Cutting An Innovation For Highly Accurate And Precision Cutting

Laser cutting is a methodology that uses a laser beam on the surface of the material which has to be cut. This methodology is mostly used in the industrial sector where large blocks of materials like iron and steel have to be cut to the required sizes. The process technically is similar to laser, marking and laser engraving. Even in this case, high power laser beam is directed onto the metal surface through optical devices like convergent lenses.

Computer numerical controls are used to direct the laser beams onto the material surface, which either melts or vaporises the material surface at the point of requirement, thereby living a very high quality finish at that point of cutting. Before the laser cutter or the laser cutting machine, became to be used extensively. These kinds of laser machines are mostly used to drill holes on the material surface. Advanced technology later on was used to cut material surfaces for aerospace applications, which needed a very fine finish. The disadvantages of mechanical cutting on certain material surfaces gave room to the invention of laser cutting machines. The process of laser cutting has its own advantages over the mechanical cutting like easier, cutting, more precision, accuracy, no wear and tear and so on.

Basically, there are three types of laser cutting machines in which the carbon dioxide laser is the best suited for cutting, drilling, and engraving. The ND lasers are used where very high power is needed in case of cutting very thick sheet metal materials. However, both carbon dioxide lasers and ND lasers can be used for the purpose of welding. While carbon dioxide lasers are used for the industrial cutting of many materials, including titanium and stainless steel, the ND lasers are primarily used for cutting ceramics. The laser cutting machine are dependent on the type of a gas flow that is used in it.

The usual types of gases that are used in these machines are carbon dioxide, helium, nitrogen, or a mixture of any of these. A laser cutting machine generates a good amount of heat within itself and hence requires a proper cooling process also. In most of the cases, water is commonly used as a coolant and is circulated during the process. A micro jet of water is integrated at a low pressure, which is used to perform laser cutting functions, which is also helpful in removing the debris and cooling the material.

Another advanced type of laser cutting machine is the fiber laser which is a solid state laser. Here the fiber technology is used to produce a laser beam which is then amplified and is known as fiber with a suitable wavelength. These lasers are very much suitable for cutting metals and metal sheets which reflect the light which is the main advantage of fiber laser cutting machine. Signvec is an organization that deals with laser cutting and engraving machine, known to have a number of advantages like less energy consumption, higher reliability, and performance, less maintenance, very low, operational cost and so on.

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Laser Engraving The Magical Invention For Metal Surface Marking

Laser engraving and laser marking are quite known factors in the field of surface marking technologies. The theory and technology behind it is quite simple and straightforward but a talk about its applications would not end in a single discussion. The scope of this magical invention and the significance in various applications is amazing. Laser marking and laser engraving are those technologies which make use of a focused beam of light to the desired point on the surface of the material. While this converged beam of light is scientifically known as light amplification of stimulated emission of radiation, has an extraordinary power of making a permanent and consistent marking on any metal surface. Depending on the intensity of light, the amount of time it is in contact with the medical surface, and nature of the metal surface. These laser beams actually make a deep incision like markings, which is conspicuously visible from a distance.

Although laser marking machine and laser engraving machine is usually done on hard metal surfaces, it is also employed in creating or inscribing on other surfaces, which are comparatively weak and soft Depending on the metal surface and its nature, the amount of laser beam, the time of exposure and similar relevant aspects, the intensity, the focal point and other allied things are set up to carry out the necessary actions. Although these laser beams are used to engrave or mark an almost all solid surfaces, there are certain metals which are best suited for laser engraving and laser marking.

although there are other various means of writing and marking on metal surfaces, laser technology is the most preferred method because the marking has an exceptionally good capacity to remain legible and clear even under very hard conditions. The next important point that makes lasers marking machines and laser engraving machines stand above the rest is the time taken for the whole process. Laser marking and laser engraving hardly takes up any time in comparison to its other competitors where in the engraving is done using physical force like a rotor, or chipping of the unwanted material, and similar, physically, strenuous and mechanical methods whereas, in case of laser engraving and laser marking not much of physical strain is needed, on the contrary, only the laser beam must be moved in accordance with the inscription, text, image, symbol or other similar which have to be marked engraved. The same way in certain mechanisms the laser beam remains fixed while the platform on which the metal surface is placed is moved accordingly. In either of the cases, the marking is 100% accurate and precise and as per the necessity and requirement. 

Signvec Technology is the pioneer in engraving and signage industry located in Singapore specialist in laser, rotary engravers, marking, and allied products that range from high-end laser marking and engraving machines to affordable budget, range machines.

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Types of Laser Engraving And Laser Marking Machines

Laser engraving and laser marking have got its own applications and scope. These are one of the complex mechanisms that are used in various industrial sectors. Initially this method was being widely used in the automotive industry to mark the engine numbers which had to be consistent and long lasting. Later on this method slowly started to spread to other sectors like medical, toys, electronics, manufacturers of Fancy, glass panel, House-hold electronic devices and so on. Basically it’s laser beam that is focused to a precise point and then subjected to on the material surface where the marking has to be done. Depending on the intensity of the beam, the material surface undergoes changes which may be physical and to some extent chemical. 

The laser beam accurately burns out the area of focus, thereby leaving a marking which either is a grove contrasted with the surrounding material service, which other words is a long, lasting mark left on the material surface, which is conspicuously visible. Laser marking and laser engraving are two Technically similar, but giving a different result. Laser engraving is that method where the laser beam is usually of a stronger intensity, strong enough to create a grove whereas laser marking is a comparatively low intensity, laser beam marking, which is also quite long lasting but without any grove on the material surface. Categorically there are three main types of laser engraving machines that can be mentioned. The carbon dioxide laser marking machine, the fiber laser marking machine and the crystal laser marking machine. In a carbon dioxide, leisure engraving machine, a mixture of carbon dioxide undergo electrical treatment giving rise to a precise laser beam. 

Talking about the fibre, laser engraving machine, it can be called as a solid state laser which has a very short wavelength and a smaller focal diameter due to which the intense intensity of the laser beam. The third type of laser engraving machine is the crystal laser machine, which is a highly complex device which involves the use of diodes in it. Since these diodes wear out in Due course, they need to be replaced with new diodes. In comparison to the other engraving machines, crystal laser engraving machine happens to be more intricate and needs more maintenance than the other two. However, due to this intricacies, crystal lasers are used to engrave on plastic ceramics and glass. 

However, all the above three laser engraving machines can be employed to laser mark metal surfaces like aluminium, steel, magnesium, lead and stainless steel. Different material surfaces respond in their own way when they are subjected to the laser. Organisations like Signvec technology, Located in Singapore are skin and expert in manufacturing, installing, servicing and maintenance of laser marking machine and laser engraving machines. With a special expertise in Rotary engraving, laser cutting, The Company, manufactures, customised laser engraving machines to reputed clients. With a dedicated intention to offer and deliver best services in this sector, Signvec has been providing first quality as engraving and blazer marking machines.

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Laser Engraving And Marking: Metals That Are Mostly Preferred For The Job

The process of laser engraving or marking is one of the most preferred ways of inscribing on metal surfaces, where in a focussed beam of laser light is used to carry out the process. While this process can be implemented on various materials surfaces, there are certain materials that may not be so suitable as well. Material surfaces that are fragile and sensitive to lasers cannot be subjected to lasers. However material surfaces that are durable and tolerant to lasers can be successfully used to carry out the task of laser engraver and marking. Naming a few material surfaces that are commonly used, Aluminium both anodized and non-anodized, Stainless Steel are the ones that are extensively preferred, but all the same magnesium and lead also can be categorised as the metal surfaces that are suitable for the job.

A deeper review reveals why these metal surfaces are considered as ideal surfaces for laser engraving and marking. Aluminium is such a metal that is very widely used in fabricating vehicle crankcase and body parts in the automobile sector. With a comparatively high thermal conductivity, aluminium metal can sustain substantially high temperature variations and due to the naturally light colour of the metal surface laser engraver can make remarkable contrast markings which are quite conspicuous and visible easily. Stainless steel is the other metal that can be categorised as a metal that is one of the strongest materials, and can hence withstand the laser treatments to a great extent without the loss of properties or getting disfigured easily.

Along with the process of laser etching and engraving, the process of annealing laser on the material surface of steel also offers corrosion resistance, when we consider rust as one of the biggest killer of steel surfaces or the material as a whole. Steel tubes, sheets and other steel items can effectively endure to the process of laser engraving.

The metal magnesium is one such metal where the industrial sector mostly makes use of in the fabrication of auto parts that have to be lighter I weight. Generally spares like the gearbox parts, steering wheels of cars, engine casings and similar are those parts which contain a known percentage of magnesium to render the parts light in weight. Laser engraving works best in this metal surface thereby making it one of the preferred metals for laser marking and engraving. Lead is another metal that is subjected to laser engraving and etching or marking, in the industry.

Since the metal lead has a comparatively lesser thermal conductivity amongst the other preferred metals, heat generated during the process does not disassociate to the atmosphere or the surrounding, on the other hand it remains on the material surface, making it the fastest of the metal surfaces that can go on with the laser marking, etching and laser marking process. Companies like Signvec technology, with more than two decades of rich professional experience in the manufacture of laser marking machines, laser etching and laser engraving machines, provide second to none services in the mentioned sector.

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