Mon, Nov 30th - 1:11AM
The Advantage Of Fiber Laser
Development of laser technology range is beyond what we can imagine. Nanosecond laser, the microchip laser, and us to the femtosecond laser had made great
contributions to the cause of science and medicine. But a special laser stand out, it's fiber laser.
In the past couple of years,the production of this top class laser has increased by up to 300% annually, which gives testament to their efficiency compared to the likes of Carbon dioxide lasers, which are predominantly less effective. The fiber laser has proven invaluable in folding metals, welding and cutting backing a potent punch in its high optical contact beam that gives a clean,http://www.lasermarkingcnc.com precise cut with the slightest of efforts. This fiber laser is coming at the very opportune time. Many large scale industries are now becoming aware of the need for effective lasers, and that is trickling down to improved production and overall growth in terms of operational capacity.
The fiber laser is a technological milestone-one that will cause a revolution in the manufacturing industry and bring the kind of value that has been lacking over the years. When you think about the kind of versatility you get with this laser, coupled to the fact that it has substantially lesser carbon dioxide emissions; then what you get is a solid state laser that is both effective and environmentally friendly, which is more than can be said for its competitors.
Fiber lasers are tipped to be a major contributor to technological growth in the very near future, and they are expected to change many industries for the better. The adoption of solid state laser is also set to replace other less effective lasers, and to benefit many different sectors both in business and other relevant industries.
New technology is beginning to shift the proverbial posts,http://www.lasermarkingcnc.com and to redefine our approach to emerging trends. Fiber lasers are a promising new investment, both as an eco-friendly tool, and an impressive industrial innovation.
If you are interested in fiber laser, you can contact with us, we are professional fiber laser manufacturer. We have advanced equipment and technical expertise. I believe our company is your best choice!
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Tue, Nov 24th - 1:14AM
Introduce some different types of fiber laser marker
There are many types fiber laser marker to satisfy different indutries. Today I
will share with you 4 types fiber laser marker, as following:
1. Desktop type
This type uses widely.http://www.lasermarkingcnc.com It equips desktop industrial PC, so it has a bigger
cabinet. If you have a big workshop, and your product size is not big, not very
heavy, then choose this type. It's practical.
2. Mini type
Mini type also is the one of most popular models because its samll size. It will
save users' floor size, but also save freight if you choose to delivery by air
(by DHL/Fedex/TNT express). The only difference between desktop type and mini
type is desktop type equips desktop PC while mini type equips laptop. All core
spare aprts assemble in a small cabinet(the left part in the photo), so it will
save space, also it's easy to move.
3. Portable type
Portable type is more easier to move or put in different places. Net weight only
35KG, easy to carry. Now it's the smallest laser marking machine in market.
Desktop and mini type adjust focal length though lifting column and rotating
handle, but portable type adjust focal length by 3D worktable.
you can rotate screws get work table left-right-up-down. Another way, you also
can put machine on a higher table, then put your product on a lower table to
adjust focal length, then mark your product.
Another advantage is portable type also can mark heavier and bigger products.
Before that,http://www.lasermarkingcnc.com you need take 3D work table off, then put machine in a proper
position.
4.Enclosure type.
Enclosure type-very popular in Europe market. It can protect operator's safety.
User can set"marking only close the door". But this type also expensive than
other types. Besides, this type adjust focal length by press button. It's
automatic. you may press "up" or "down" to adjust focal length.
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Thu, Nov 19th - 1:18AM
How Do Laser Marking Machines Work?
Although, there are a number laser marking machines available of in the market,
the latest state-of-the-art technology used widely is the fiber laser machine.
This machine is the best option existing that uses fiber-pumping technology to
“dope” fibers with a unique earthy element like Ytterbium.
Using this element (Ytterbium) in a laser marking machine increases the ability
of fibers to carry high-emitting diodes,www.lasermarkingcnc.com which are pumped to optical heads
through the fibers. At this point, the light beam expands to produce the
capability of laser marking. The light beam is then able to mark a variety of
materials using any one of the following four methods:
1. Removal of a layer of any material or Ablation
2. Etching of material surface to change color or Carbon Migration
3. Bonding
4. Laser Engraving
Laser marking applications are suitable with a several material types. These can
range from leather to plastics and metals as well. The different kind of metals
that fit perfectly to the fiber laser engraving criteria include silver, bronze,
gold, stainless steel and platinum. Other materials and elements that respond
positively to fiber laser marking include copper,www.lasermarkingcnc.com aluminum, carbide, tungsten
and medical grade alloys.
Different Ways That Laser Marking Machines can be used
A fiber laser marking machine that uses fiber lasers is also known as a laser
engraving machine due to the resulting surface patterns produced during the
ablation process. The laser machines are used for an array of applications
including:Jewelry Engraving,Laser Cutting and Medical Devices& Equipment
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Tue, Nov 17th - 1:21AM
Precision laser marking for medical applications
Ultraviolet DPSS lasers work with wider range of materials
Marking is critical for medical devices and pharmaceuticals, both to enable
product tracking and identification and to combat counterfeiting. Traditionally,
these marks have been printed with ink or, more recently, produced with infrared
(IR) lasers. However, both of these approaches have disadvantages. Ultraviolet
(UV) diode-pumped solid-state (DPSS) lasers overcome virtually all the drawbacks
of these other technologies, but have rarely been utilized in the past because
of their cost. But significant reductions in capital expenditure (capex) and
cost of ownership now make UV http://www.lasermarkingcnc.comlaser marking very attractive for many medical
applications. This article reviews its characteristics and presents some
applications results for medical and pharmaceutical uses.
Medical marking
The requirements for marking medical products are somewhat unique compared to
other industries. Pills are ingested, and many other medical products (tubing,
stents, etc.) are brought into either external or internal contact with
patients. So, it is often essential that the mark itself is not a source of
contamination, or does not contain chemicals that might cause an allergic
reaction. Furthermore, it is frequently desirable that the marking process leave
the marked surface smooth, either to avoid tissue damage or to avoid having the
mark become a site for bacterial growth.
Another frequent requirement of medical marks is the inclusion of lot numbers,
serial numbers, or other identifying information that enables the determination
of where and when a specific product was manufactured. Then, if units are
subsequently found to be somehow defective, users can readily identify if they
possess products made at the same time and place that might exhibit a similar
problem.
Batch and origin marking also helps to address a growing problem in the
pharmaceutical and medical industries, namely counterfeiting and "gray market"
products. Sometimes, this counterfeiting involves nothing more than simply
peeling a label off a bottle and applying a new one. But, increasingly, western
countries are being flooded with counterfeit pharmaceuticals (usually produced
in Asia) that appear identical to the real version, but may not contain the
correct dosages or meet requisite quality control standards.
As a result, the ideal mark for medical applications is indelible, easy to read,
difficult to copy or alter, contains unique serialization information, and
doesn't change product functionality in any way.
Traditional marking methods
The dominant method for marking pharmaceuticals, medical devices, and their
associated packaging has long been ink printing (inkjet or pad printing). Pills
are usually imprinted using an offset rotogravure method. Printing is attractive
to manufacturers because the capital equipment cost is relatively low. However,
the ongoing cost of consumables (ink) is often substantial.
For medical applications, the main drawback of printing is that it is often easy
to remove or alter printed marks (especially if they're on a paper label). This
means that marks can become difficult to read after shipping, handling, or
storage, and also permits purposeful counterfeiting. Print quality is also
limited, and this represents a problem as manufacturers try to squeeze ever more
information, including 2D barcodes, into a small space. For pill printing (in
particular), offset techniques, which apply pressure to the product, are
difficult to implement with increasingly popular "softgel" capsules.
While the inks employed for printing pharmaceutical and medical equipment are
non-toxic, the printing equipment itself is often "dirty," utilizing lubricants
and solvents that can become airborne and contaminate printed products. Also,
printing equipment is often mechanically complex, requiring downtime for
cleaning and maintenance.
Laser marking is a non-contact method that avoids the problems of contamination
and eliminates the cost of consumables. Furthermore, laser marking generally
supports the creation of high-contrast, high-resolution marks that can be made
very small and readily be applied to curved or contoured surfaces.
Laser marking usually employs either CO2 or solid-state lasers operating in the
IR. The marking process itself is a thermal interaction; material is heated
until it bleaches, carbonizes, or ablates to produce a color contrast. Nearly
all plastics directly absorb the far-IR CO2 output—absorptive additives are
sometimes used to facilitate this process with a near-IR, solid-state laser.
However, this heating can alter the chemical structure of the material in the
heat-affected zone (HAZ), and also produces some surface relief. This texture
can offer a place for bacteria to settle and grow, and may be difficult to
clean.
UV laser marking
The laser/material interaction is fundamentally different in the UV than in the
IR. Specifically, the UV (355 nm) output of a frequency-tripled DPSS laser is
typically absorbed more strongly than longer wavelengths. It then undergoes a
cold photochemical (rather than photothermal) interaction with any fillers or
pigments within the plastic. For most plastics that appear white, this pigment
is titanium dioxide (TiO2), which strongly absorbs the UV light and then
undergoes a change in crystalline http://www.lasermarkingcnc.com structure. This renders the substance dark,
producing a smooth, highly legible mark within the bulk material rather than at
the surface.
Because the mark is actually subsurface, it doesn't provide a possible home for
bacteria, and it is nearly impossible to alter or deface without destroying the
material itself. Furthermore, since this is a cold process, there is essentially
no HAZ or changes to the surrounding material. And, the higher absorption in the
UV means that material can be processed with lower laser power (or pulse
energy). Finally, since UV light can be more tightly focused than IR, UV lasers
support complex, high-resolution marks such as 2D barcodes.
Given all these advantages, why haven't UV lasers been widely employed in
medical marking applications in the past? The simple answer was cost. But, over
the past decade, companies such as Coherent have made substantial improvements
in UV laser lifetime, reliability, and output power. These have been achieved
through improvements in laser design, materials, and the implementation of
stringent cleanroom procedures during production. Also, automated assembly
methods and economies of scale as sales volumes have increased have helped to
reduce UV laser price by a factor of nearly five over this period.
Marking results
The Coherent applications laboratory (Luebeck, Germany) has used a 355nm DPSS
laser (MATRIX 355) to mark several different materials that are representative
of those used in medical applications. Some of the most relevant of those
results are presented here.
High-density polyethylene (HDPE) is a plastic widely employed for packaging
pharmaceuticals and food, as well as to make water bottles. Ink marks on HDPE
can be removed with solvents, allowing the product to be relabeled after
packaging. Also, the ink is a possible source of contamination.
In this test, the laser was used to mark 2D barcodes on the curved surface of a
pill bottle (FIGURE 1). The 355 nm laser, working with a focused spot size of 30
μm, was scanned over the part surface using a galvanometer mirror system. In
this configuration, high-contrast, 8 × 8mm barcode patterns were generated in
2s.
The MATRIX 355 is particularly advantageous for producing this type of mark on
HDPE because of its PulseEQ mode, which holds pulse energy at a constant value,
even as repetition rate is varied. This is not the case with conventional Q-
switched lasers. The advantage of changing repetition rate is that it enables
the color, darkness, and pulse overlap of the mark to be altered on the fly
without affecting other scan parameters. This makes it easier to stay within the
marking process window.
Another plastic used extensively in the medical field is silicone rubber, which
can appear either transparent or white. A common application for this is tubing
to connect an intravenous infusion to a patient, or for intubation. Typically,
the hose must be marked with its diameter dimension and its storage date (by
law, these must be used withinhttp://www.lasermarkingcnc.com three years of manufacture). In this case, the
laser was focused on the inside surface of the tube (FIGURE 2) so that marking
produced absolutely no change in the texture of the outside surface (which is
what comes into contact with the patient).
Test marking on various types of softgel and hardgel capsules was performed to
determine the maximum achievable marking speed (FIGURE 3). For 1.5mm-high
characters on softgel capsules, the highest speed was <0.024s/character. Mark
legibility was excellent in all cases. For hardgel capsules, a 2D barcode
measuring 1 × 1mm could be reproduced in <0.2s. In contrast, ink marking
requires a drying time of 1–2s before the pill can be handled without smearing
the mark.
A type of gelatin is also used to make blister packages for some medical
products (FIGURE 4). The goal in this case was to produce a legible mark with a
maximum penetration depth of 30% of the thickness (specifically, 0.17mm of the
0.58mm total thickness). The laser pulse energy was 100μJ and the scan speed
was 1.3m/s. The laser was purposefully defocused at the work surface to produce
a character line width of 160μm. The color change marks show good contrast with
no material ablation.
Conclusion
Testing at the Coherent applications laboratory shows the UV DPSS laser to be an
effective source for rapidly producing legible, high-resolution marks on medical
devices and pharmaceutical products. These permanent marks compare favorably
with printed marks. The UV laser is also advantageous over longer-wavelength
lasers since it is usable with a wider range of materials, including plastics
and papers, which might not be compatible with a thermal process.
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Thu, Nov 12th - 1:18AM
Art department seeks funding for 3-D printers
The Department of Art plans to take sculpting to a new level with the help of 3
-D printing.
The department, specifically the sculpture program, is seeking $1,500 from the
Student Government Association for tools it needs to create artwork.
David Marquez, sculpting professor, wrote the proposal for the money, making the
case for the new equipment and tools in the sculpting program.
“We need the money to get back to par with technology and tools needed to make
art,” Marquez said.
According to the written proposal, the department proposed three different
budgets to SGA. The first is the cheapest option of the three at just over
$1,500. It includes a structure scanner that Marquez said would be used to scan
objects that could be printed on a 3-D printer. Objects that have been printed
can be used directly for www.lasermarkingcnc.com a sculpture or can be used to create a mold to make
pieces for a sculpture.
This budget also includes a laser engraving and cutting machine. Marquez says
the sculptors will use this tool to cut material for their pieces.
The second budget is the most expensive of the three at almost $1,700 and only
includes a laser engraving and cutting machine. Marquez said this machine is
larger than the machine from the other two budgets.
The final budget is priced at about $1,550 and includes more tools than the
other budgets. These include the structure sensor from the first budget and
various tools students need like screwdrivers and a carving set.
Marquez says the head of the art department has already promised to allot $500
to the sculpture program if it is awarded the $1,500 from SGA. The League of
Sculptors, an organization at WKU invested in supporting the art of sculpture,
has also set aside approximately $250 from its own funds to contribute to the
proposed budgets.
Duncan Underhill is one of the students in the sculpture program who went to
propose the budgets to SGA. He is also the co-treasurer of the League of
Sculptors.
“I think [the proposal] went well,” he said. “They asked a lot of questions.
They seemed really interested.”
Underhill said he and the other members who attended last Tuesday’s SGA meeting
were a little overwhelmed.
“We weren’t prepared for all the questions they asked,” he said. “They
wanted to know how our program compared to other schools.”
The League of Sculptors members will give their final budget proposal to SGA
today.
Hannah Johnston, the president of the League of Sculptors, said the new tools
will help WKU sculptors compete with other sculpting students from other schools
— Georgia State University, for example — that already have this technology.
“We go to a lot of exhibitions that are very competitive,” she said. “It’s a
good way to show off our work and get out our name.”
Marquez said it is a good thing for students to go to these exhibitions and see
how this technology would help them with their work.
“Students see this in action,”www.lasermarkingcnc.com he said. “They know what it would do for us.
It would expand our high-end resources.”
Marquez said this new equipment will help shift the sculpture program from using
older, more traditional methods of sculpting to using newer methods that
implement more advanced technology.
“We want to expand toward technology as opposed to traditional-based sculpting,
” he said.
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Tue, Nov 10th - 1:36AM
Explore the European fiber laser market growth drivers, challenges and trends to 2019
Market outlook of the fiber laser market in Europe Fiber lasers contain an optical fiber that is integrated with rare-earth elements like erbium and ytterbium. They are preferred over other lasers as they are more reliable, efficient, robust, and portable than CO2 lasers. The market for fiber lasers in Europe is expected to post a strong market growth rate of approximately 21% by 2019. Factors like their superior performance, longer lifespan, high efficiency, and eco-friendly nature are responsible for this market’s impressive growth rate during the forecast period.
Technavio’s market research analysts have estimated eminent drivers, such as the augmented usage of fiber lasers in the automotive industry, to positively influence market growth during the forecast period. As fiber lasers can easily cut through high-strength steel, their applicability in the automotive industry is envisaged to increase significantly during the forecast period.
Application-based segmentation of the fiber laser market in Europe
Material processing
Advanced applications
Medical applications
In this market analysis, analysts estimate the materials processing segment to account for more than 84% of the total market share by 2019. This segment dominates the fiber laser market in Europe www.lasermarkingcnc.com due to its increasing usage in applications like marking, engraving, printing, welding, and cutting.
Growth drivers, challenges, and upcoming trends: Fiber lasers
Upcoming trends like the emergence of eco-friendly technologies are expected to foster market growth during the forecast period. The recent paradigm shift toward eco-friendly products has resulted in the development of eco-friendly fiber lasers, which offer advantages like high-energy savings.
Factors like reduced energy consumption, reduced wastage, and the usage of non-hazardous materials are expected to augment the demand for eco-friendly fiber lasers in the next five years.
This report provides a number of factors contributing to the adoption, limitations, and opportunities of the fiber laser market in Europe. It also offers an analysis of each factor and an estimation of the extent to which the factors are likely to impact the overall market growth.
Key questions answered in the report include
What will the market size and the growth rate be in 2019?
What are the key factors driving the fiber www.lasermarkingcnc.com laser market in Europe?
What are the key market trends impacting the growth of the fiber laser market in Europe?
What are the challenges to market growth?
Who are the key vendors in the fiber laser market in Europe?
What are the market opportunities and threats faced by the vendors in the fiber laser market in Europe?
What are the key outcomes of the five forces analysis of the fiber laser market in Europe?
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Fri, Nov 6th - 1:15AM
fiber laser marking systems
A laser marking system includes a high power fiber laser with a double clad fiber having a doped core surrounded by an inner pump cladding and providing an optical output for marking; a high power laser diode source for pumping the double clad fiber laser via an input into the inner pump cladding; an optical
canner coupled to receive the marking output from the double clad fiber laser to scan the output over a surface of an article to be marked by sweeping the
marking output in one, two or three dimensions to form strokes, the completion of which comprises indicia to be marked on the article surface; and a controller
to control the operation of the scanner synchronized with the modulation of the laser diode pump source to initiate the marking output and sweep and modulate
the marking optical output in one, two or three dimensions to form strokes comprising the indicia. A main advantage of the fiber laser marking system over
CO2 and YAG laser marking systems is the ability to provide modulation via the semiconductor laser diode at the input to the marking laser rather than having
to modulate the optical power beam at the output of the marking laser, such as through an acusto-optic modulator, which provides for a pulse of non-uniform
stability across the pulse width with a substantial decrease in the amount of power in the modulated beam output. Also disclosed is circuitry to dampen the
ON-time rise of a current signalwww.lasermarkingcnc.com input for operation of the laser diode pump source to improve the ON-time quality of the marking optical output created by
the double clad fiber marking laser.
FIELD OF THE INVENTION
This invention relates generally to a laser marking system and more particularly to fiber laser marking systems operated cw or pulsed for marking surfaces of
objects with information or data, hereinafter referred to as “indicia” which includes, for example, alphanumeric information, letters, words, personal or
company logos, tradenames, trademarks, data or batch codes, numbers, symbols, patterns, article coding or identification, personalized signatures, and the
like.
BACKGROUND OF THE INVENTION
Laser marking systems have been in existence as early as 1971 for marking indicia on surfaces of articles. A major use of laser marking of articles is for
marking an article or product or a product package particularly with respect to high volume manufacturing lines,www.lasermarkingcnc.com so as to take advantage of marking these goods
“on-the-fly”. This type of marking provides data about the product, such as, date of manufacture, shelf life, factory origin, model and/or serial number,
product tracking and the like. The use of lasers to provide marking indicia is preferred since it does not generally affect the integrity of the article or
product or its packaging and the marked indicia is not easily removable.
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Tue, Nov 3rd - 1:13AM
CO2 Laser Market Will Grow at 5.36% CAGR to 2019, Forecasts a new Global Report
The OEMs in the global CO2 laser market are continually adding new features in their products, resulting in regular launches of innovative products in the market, which analysts forecast to grow at a CAGR of 5.36% over the period 2014-2019.
Complete CO2 Laser Market by end-user applications (communication applications, communication applications, medical applications, military applications and others) report spread across 69 pages, analyzing 5 major companies and supported with 36 data exhibits is now available.
According to the CO2 Laser Market report, there is an increased demand for highly precise and efficient laser products in manufacturing and healthcare industry because CO2 laser systems also provide benefits such as treatment of skin imperfections including pigmentation, removal of moles, birthmarks, sun-damaged skin, and precancerous spots. Thus, seen and increased demand for cosmetic dentistry or aesthetic dentistry has created the demand for high-precision laser products.
The CO2 laser used in communication applications and material processing applications has been the highest contributor to the total revenue in 2014. These applications are expected to maintain their dominance during the forecast period due to the increase in the capability of the satellite communications and manufacturing sectors.www.lasermarkingcnc.com However, due to increase in application of CO2 lasers in medical devices, the healthcare segment will be the fastest growing segment during the forecast period.
In terms of geography, the market is dominated by APAC with a share of over 42% in 2014 because of the presence of numerous automobile and consumer electronic device manufacturers in China, South Korea, Taiwan, and Japan. The APAC region is followed by other geographical regions, such as Europe and the Americas. Order a copy of Global CO2 Laser Market Analysis Report.
Global Fiber Laser Market 2015 - 2019: Analysts predict the global fiber laser market to grow at a CAGR of 16.2% over the period 2014 - 2019. To calculate the market size, the report considers revenue generated through different applications of fiber lasers: material processing application [High power (Cutting and Welding), Marking, Fine processing, Micro processing], advanced application, medical application, and other application. www.lasermarkingcnc.com The key players in the Global Fibre Laser Market: Coherent, IPG Photonics, Newport, Rofin-Sinar Technologies, and Trumpf. Other Prominent Vendors in the market are: Active Fiber Systems, Advalue Photonics, Calmar Lase, Furukawa Electric, Hypertherm, Lumentum, and Nufern.
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Name: Emily James
