This careful and comprehensive analysis examines not only the laser cutter equipment itself, but also the impact the new equipment will have on other existing sheet metal fabricating processes.

Evolution of Fiber Laser Cutting Technology

Fiber laser cutting has been one of the most “disruptive” technologies introduced to the metalworking market since CO2 lasers were first introduced for cutting sheet metal back in the 1980s. Fiber laser cutting technology is considered a disruptive and “revolutionary” change because it has impacted the entire status quo in sheet metal fabrication. And the opportunities are easy to realize.

Over a relatively short period of time we have seen exponential advances in Fiber laser cutting technology used for cutting flat metal sheets and plate. In just five years, Fiber lasers achieved the 4 kW cutting threshold that took CO2 lasers approximately four times as long to reach. After ten years, Fiber lasers have achieved the 10 kW to 12 kW range for which CO2 laser cutting never did. In all fairness, Fiber lasers – some exceeding 20 kW – have been used by other industries for many years in applications other than sheet metal cutting. More details!

Advantages of Fiber Laser Cutting Technology

The primary advantages of cutting flat sheet metal with Fiber laser technology are derived from its monolithic, Fiber-to-Fiber, compact solid state design configuration that is maintenance free and provides a lower cost of operation than can be achieved with comparable CO2 lasers.

Fiber laser beam characteristics also provide for much faster cutting speeds than CO2 lasers as we will explore below.

The focused beam of even a 2 kW Fiber laser demonstrates a 5X greater power density at the focal point when compared with a 4 kW CO2 laser. It also possesses a 2.5X greater absorption characteristic due to the shorter wavelength of the Fiber laser. (see Figure 1 and Figure 2).

The higher absorption of the Fiber wavelength and the higher power density created by the focused beam combine to achieve up to a five time increase in cutting speeds in materials that are less than 1/4 inch thick.

Fiber laser cutting systems can certainly cut up to one-inch thick with higher Fiber laser powers and even cut faster when utilizing nitrogen as the assist gas, but the “sweet spot” where the most significant benefits are realized is in the 5/16 inch and under range for steel when making comparisons with CO2 systems. For certain, if you are processing stainless, aluminum, brass or copper materials, Fiber laser technology is the fastest and most economical regardless of thickness.

Effectively utilizing the speed benefits from high power Fiber lasers takes careful planning and management of all processes. With a three to four time greater throughput and a cost of operation that is half of the CO2 laser, the financial gains can be game changing. The results are a lower cost per part, higher potential profit margins and shorter return on investment time. Let’s not forget the added benefit of increased machine capacity now that you are processing normal part volumes much faster, providing the opportunity to take on additional work to further increase your sales revenue and profits.

Much better and more safely

Fiber lasers can cut copper, brass and aluminum much better and more safely than CO2 because the beam is more readily absorbed and not reflected. Fiber laser operating costs are typically half of what a CO2 system can offer due to the lower electrical consumption and high electrical efficiency of Fiber lasers.

There are many aspects of operating a CO2 laser cutter that do not exist with operating a Fiber laser cutter:

  • A high power Fiber laser cutter is capable of cutting up to 5 times faster than a conventional CO2 laser and utilizes half the operating costs.
  • Fiber laser cutters do not need any warm-up time – typically about 10 minutes per start-up for a CO2 laser.
  • The Fiber laser cutter has no beam path maintenance such as mirror or lens cleaning, bellows checks and beam alignments. This can consume another 4 or 5 hours per week for a CO2 laser.
  • Fiber lasers have a fully sealed Fiber optic beam path both at the power source and at the Fiber delivery to the cutting head. The beam is not subjected to beam path contaminates as is the case with CO2 lasers.

Fiber optic beam paths maintain consistent nozzle beam centering.

Because the integrity of the Fiber beam remains consistent from day to day, so do the cutting parameters, requiring far less adjustments than a CO2 laser.

What becomes of all of this saved time? Higher productivity and greater machine capacity! With the Fiber laser cutter capable of five times faster cutting speeds, generating three to four times more parts per unit of time and coupled with 50% less operating costs as compared to CO2 lasers, this represents a large opportunity based on having created more machine capacity.

If you are running multiple lasers, perhaps you could consider replacing two CO2 laser cutting machines with one Fiber laser cutting machine.

 

The question of which technology is right for you really boils down to your operation. How well does the system fit your particular application? How much faster and how much more cost effective are your parts going to be produced? With this in mind it will be necessary to make a careful analysis of the pertinent data, including application range, operating costs, throughput, cost of ownership and, of course, the investment costs.

 

Whatever the final conclusion, don’t forget about the impact of this investment on your downstream processes: What effect does adding this new laser cutting system have on the flow of operations before and after the parts are cut?

 

Certainly knowing and preparing in advance that front-end office systems will need to keep up with the productivity of the Fiber laser helps fabricators adjust their front-end processes to keep the Fiber laser cutting, rather than waiting for jobs. Knowing that materials will need to be presented to the Fiber laser  cutter in a timely manner will drive new efficiency in material handling and inventory. Knowing that increased cut part volumes need to be met with additional bending capacity will help prepare the bending area for the increased volume. For fabricators using CO2 laser cutting systems, making the move to Fiber laser technology represents a huge window of opportunity that can’t be overlooked. Learn more details at: https://www.wikihow.com/Choose-Laser-Skin-Resurfacing

August 27th, 2019

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Wood, newspaper, cardboard, plastic material, PMMA.Moreover,also, plastic, leather, metals, and ceramics: the actual applications of the co2 laser cutter are infinite. Perhaps because of this, among the countless different laser beam types developed over time, the CO2 laser beam has become the most broadly diffused laser technology for laser beam material processing applications. The technology of this kind of laser goes back to 1964: since then it has been successfully used in several industrial sectors.

However, regardless of the large use of the CO2 laser, there is still a great deal of confusion about how exactly the laser beam can be utilized. Do we receive many questions like Which materials can be cut by the CO2 laser? Can the CO2 laser cut hardwood? Alternatively, Can CO2 laser cut plastic? However, still What are the actual applications of the CO2 laser beam? Moreover, so forth.

How to locate Materials?

There is a fairly good supply of materials sold at home supply stores, lumber yards and through commercial source channels. Manufacturers tend to procure their materials from specific providers since they’ll receive their desired width right off the truck.

Here are a couple of popular options for finding co2 laser cutter able materials:

Safe Materials

The versatility of laser cutters is remarkable, considering they can cut, draw and etch. The laser cutter can accurately trim or etch numerous materials such as solid wood, paper, cork, plus some sorts of plastics. Laser etching can produce great results on nearly every organic material. The primary materials shops will will include wood, cardboard, lightweight aluminum, stainless steel, plastic, tile, marble, anodized aluminum, stone, and cup. Most reflective materials, such as raw aluminum, sterling silver, copper may necessitate a different wavelength and perfection beyond some co2 laser cutter machinery’s capacity. Check here.

Laser Cutting

Laser lowering materials offerartisans and manufacturers detail results using the vitality of lasers and the strength of CO2. Before you begin any cutting project, always examine your machine, take notice of the chiller temp and gauge your central heat to meet up with the wattage needs of your cutter. For an 80-watt co2 laser cutter that’ll be used in warmer climates as an example, make sure your chiller is adjusted to handle the heat load. Temps above 75 certifications F can reduce laser power significantly.

Clean your laser lens often as well. Built-up residues will cause a dramatic reduction in cutting power and reliability, with an eventual lens cracking imminent.

The list above is merely a short set of the many different materials that can be prepared by the CO2 lasers: several other materials canbe minimized with the co2 laser cutter beam. Research on the applications of the CO2 laser is still a continuing process, which experimentation plays an important role: only testing provides us with certainty about the possible claims. Because of this, we invite you to get hold of us whereby the materials you want to work is not provided in the list above. Collectively we will see you the answer that fits yourco2 laser cutter preferences!

March 25th, 2019

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The purchase of a laser engraver is a great decision for many businesses and is on the wish list of many amateurs. As the name implies, these complicated pieces of technology employ high-power lasers to etch designs on surfaces. Like 3D printers, laser engravers are computer controlled and perform work independently once the CAD design is available. But before buying a laser engraving machine, there are lots of things you should consider first. All these considerations are related to making the right choice when buying a recorder for your business. Here are the things you should think about before making a considerable investment in a laser engraver.

1. How Much Are the Maintenance Costs Going to Be?

The first thing to think about when buying a laser engraver is how much maintenance costs will cost. Though you may find a laser engraver that looks like a real bargain originally, later on you could simply realize that the maintenance of that particular machine will be excessive. This is one of the reasons why it is sometimes better to invest a little more in a high-quality machine.

2. Are Replacement Parts Simply Accessible?

Another main consideration is whether you will have a hard time getting replacement parts for your new laser engraver when it breaks. And it will surely decompose ultimately, despite the machine you select and how carefully you keep it. Eventually, there will come a time when it will be necessary to replace one or more pieces. When this happens, will you have to wait weeks to get the parts you want?

3. Will You Have to Hire Somebody for Maintenance and Repairs?

A few laser engravers are very easy to maintain, which means that the maintenance staff of your company must be able to take care of the essential maintenance of the laser machine. However, some other laser engravers are difficult to perform. These more difficult machines can be extremely hard to repair as well.

In these cases, your business will have to hire a technician to perform the maintenance and repairs of the laser engraver. This costs of the company’s extra money that should be included in the purchase decision. That is why it is better to look for a laser engraving machine that is simply maintained by your maintenance staff. Click here for more information.

4. Can You Use the Laser Engraver?

It is very good to buy a laser engraving machine of quality, economic and easy maintenance. But will someone on the staff have the experience to use the machine of your choice? You do not need to make a key investment in a laser engraving machine just to discover that none of your people recognize how to use it.

When it turns out that none of your employees is known with any laser engraving machine, one or more maintenance staff members will have to take courses that cover the machine you buy. This must include security procedures. Surely, it is cheaper and easier to buy a machine that is familiar to at least one person who works for you. In addition, you can make your machine vigorously produce for you much earlier, so you can begin to recover your investment.

October 20th, 2018

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In spite of being the oldest form of gas lasers, CO2 laser cutter are still considered one of the most valuable types of lasers. Also, it is included in the list of supposed versatile lasers since it is actually helpful in several applications and procedures. It is made of a combination of various chemical components. Apart from carbon dioxide, nitrogen and helium are present at the outlet as well. The ratio of these 3 components is 9.5: 13.5: 77. These have various roles to play in the technique. It is in nitrogen where the energy is engaged before it ignites carbon dioxide. Since CO2 produces a laser, nitrogen carries on igniting it. The role of helium is seen through the process of heat transfer.

Different Types of CO2 Lasers

The basic types of carbon dioxide lasers are divided into three. First, there is the axial gas flow that pumps the mixture of carbon dioxide, helium and nitrogen from one end of the tube before it exits towards the other. To ensure that the flow is maintained well, carbon dioxide is continuously pumped into the pipe. The role of helium and nitrogen in the procedure is to improve efficiency. The length of this carbon dioxide laser can be condensed with the help of folded optical methods. Also, there is a CO2 laser cutter of transverse gas flow. The gas flow for this technique is horizontally done. A third type well-known as the sealed tube is available as well. This is just same as the sealed argon and krypton lasers sealed with helium and neon. It is not filled during the process.

Different Construction Materials for CO2 Lasers

In addition to these types are various construction materials to take into account. The mirrors, for instance, use silicon, gold, and molybdenum, all coated. For windows, germanium and zinc selenide are used in construction. In some cases, the diamond can be used in the production of windows or mirrors. Some of the traditionally produced optical elements were made of sodium or potassium chloride. Currently, these materials are no longer used because, in spite of their low cost, production degrades rapidly, in particular when there is moisture in the atmosphere.

Benefits of CO2 Lasers

The cutting quality of a CO2 laser remains constant in all ranges of material thickness, while a fiber laser is a better cutter in the range of thin material, but begins to lose the quality of cutting when the thickness of the material exceeds 5 mm. Although fiber optic provides performance advantages in the range of thin material, CO2 lasers surpass them when the thickness of the metal that is cut exceeds 5 mm. While this can be true when comparing most fiber lasers to CO2, in several units the common consensus of fiber cut quality can vary. In 2kW IPG’s fiber laser units have been shown to reach a cutting quality equal to or better than the CO2 laser up to 12 mm in mild steel. With this thickness, the laser cut at the similar speed as CO2 and the power consumption per cut was even lower using fiber technology. Check this site.

Conclusion

In general, CO2 laser cutters are used in cutting, engraving, and heat treating, as well as welding. In addition, they are significant in the production of cardboard, fabric, paper, plastics, wood, and ceramics. They can also be used in medical fields especially in the world of dermatology. Dermabrasion, laser surgery, and skin rejuvenation are some of the examples in this application.

June 3rd, 2018

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Laser cutting is used to cut any number of items from a variety of materials, such as clock faces, jigsaw puzzles, metal tags, packaging, machinery parts and components, signs, leather upholstery pieces, patterns, and more.

According to Coherent, a company that manufactures laser cutting machines, laser cutting may:

“… Concentrate a greater amount of energy towards a small and well-defined identified spot. The heat energy result, created through the laser, will vaporize the  materials in it as a small-defined place and gas, and/or a mixture of different  gases, like CO2, Oxygen, nitrogen, or even helium is then used in blowing out the material that was being vaporized by the kerf. The energy of the beam is applied right away and directly to where it is really needed, minimizing the HAZ or the Heat Affected Zone.”

Laser cutting is a process where a laser beam is used to heat a piece to the point where it is precisely severed. According to Answers.com, laser machines include a high-powered laser and a computer to direct the laser beam onto the material to be cut. From there, the laser beam melts, vaporizes, or burns the material along the predetermined cut line, resulting in a precise, neatly cut edge.

Laser Cutting Applications

Laser cutting is used by manufacturers, small businesses, schools, and hobbyists alike. According to Coherent, common items suitable for laser machine include:

  1. Thicker non-metal materials– You’ll need a laser cutter with an average power of between 250 to 500 watts (up to 1500 watt peak power) to cut thicker non-metal materials such as thicker plastics and wood up to one inch thick. In general, lower power lasers will have to work harder to make the same cut. This reduces cutting speed and can result in excessive heat, chemical changes, or damage to the Heat Affected Zone.
  2. Thin and non-metal form of materials– Fabrics, most plastics, papers, polycarbonate,  mylar stencils, wood that up to.04 more inches, and thin acrylics can be cut with a 150 watt average power (450 watt peak power) laser.
  3. Metal materials– Metal materials generally require higher power lasers between 150 and 1,000 watts (up to 2500 watt peak power). Some thin metals (such as stainless steel or cold rolled steel) can be cut with 150 watt lasers when oxygen-assist gas is used.

When it comes to cutting metal, wood, glass, and other hard surfaces, it’s hard to imagine a beam of light being able to keep up with a spinning blade. A traditional beam of light would indeed have a tough time. That said, a concentrated laser beam makes cutting a breeze. for additional tips, learn more information at http://hackaday.com/2017/07/12/laser-cutting-orreries/

Advantages of Laser Cutting

Laser machine do not wear due to cutting, resulting in less strain on the cutting equipment. Laser cut edges are clean. In addition to cutting items, lasers can also cut small, highly detailed holes with good edge quality.  The laser machine has come of age and are proven to be a reliable, advantageous alternative to other cutting methods.

Finally, laser offers numerous advantages over other types of cutting. Not only can you cut a variety of materials such as paper, plastics, cardboard, leather, and metal, lasers are extremely precise. Once a pattern is programmed into a laser cutter, it will continue to cut an exact copies piece after piece.

July 18th, 2017

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