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Research on laser technology
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Recommended: Research on laser technology
1. Identify a product that has been manufactured using laser processing (Cutting, welding, etc.)
and describe what laser process has been used in it (4)
2. How was this part manufactured before lasers were used (2)?
3. What are the advantages and disadvantages of using lasers instead the previous process in the case of this particular item (4)?
4. Identify a company that manufactures this item or does the mentioned laser processing part.
Briefly describe the operations of the company with a focus on its laser operations. Are there any other advanced manufacturing process carried out on this item or component? What are they (5)?
5. How can the company benefit more through applying innovation in its manufacturing process? What innovation do you recommend? Please describe the pros and cons of your idea (5).
Assessment Task Comments:
If needed, add any comments you wish to make to the assessor about this assessment task.
1. Introduction
LASER is an abbreviation to Light Amplification by Simulated Emission of Radiation. Laser emits light at a particular wavelength by simulating atoms or molecules. It produces a narrow beam of radiation which is limited to ultraviolet, infrared and visible wavelength ranges only. [1]
The use of laser in industrial applications has been rapidly increasing as an alternate to the traditional or conventional manufacturing processes. [1]
Many manufacturing processes are performed using laser which includes
• Laser Cutting • Laser Welding
• Laser Drilling • Laser Cladding
• Laser Marking • Laser Forming
Product and Process
Laser Drilling is a process of making holes using short pulses of laser at high density, which results in melting and vaporizing of material. [2]
Laser drilling presently covers 5% of industrial laser processing applications. [3]
One of the main applications of laser drilling is drilling cooling holes in gas turbines for aircraft and power plants. [3]
Fig (a) - Ceramic coated gas turbine Fig (b) – Stator Blade of stationary
blade with 500 cooling holes [3] gas turbine (Siemens Power Generation) [4]
In turbine engine laser drilling is used to produce cylindrical holes for cooling system. It is done through melting and vaporization of material by absorption of focused laser beam energy.
Here the energy is transferred in the direction of laser deep into the material by a process called heat conductivity using a power of about 200-400 W.
Flash-lamp pumped Nd: YAG lasers are used for pulse generation.
Xie, J. "Weld Morphology and Thermal Modeling in Dual-beam Laser Welding." Was.org. American Welding Society, n.d. Web. 24 Mar. 2014. .
What theory is the assessment you chose to take based on? Discuss the results of your test to show an understanding of the variables being assessed and
This tool has a thin metal sheet or ribbon attached to the handle. The ribbon carves into the material.
Evaluate and recommend any actions that will ensure the safe, equality, rationality of the assessment methods, sampling judgments and decisions that have been put forward.
The time required for recovery and recuperation in laser treatment is less than that required for surgery.
For several tasks, it is available with drill bits which are quite helpful in screw driving and space mission applications. It is fitted with electrical motor that can drill a hole in the object by moving the bit in a rotating mode. It can work in a variable speed and easy to adjust in accordance to the requirements of the task and comfort of the skill worker. These days cordless drill accessories are used frequently than common drill accessories. The reason of using cordless drill accessories is that they contain battery fitted in the hand...
Carbon dioxide laser, a recent development, emits extremely high energy. It vaporizes the scarred skin tissue layer leaving fresh skin behind. The benefit of this process is that very less medical complications are associated with this.
Light energy cannot be created or destroyed; it can only be converted from one form to another. Just like how a pendulum eventually stops due to air resistance, the laser should continue to travel indefinitely unless the light is either absorbed, reflected or refracted. Harnessing a lightsaber would be extremely unwieldy- slight carelessness could potentially sever off your own toes. According to the movie, the lightsaber consists of a “plasma blade” which is powered by a “kyber crystal” and emitted from a “metallic hilt”.
Laser is an acronym used for Light Amplification by Stimulated Emission of Radiation. Laser treatment is a procedure used to cure skin problems with a strong beam of light. Experienced cosmetologists and dermatologists use this new technology to cure many ailments.
Drilling holes is something most of us have done, whether as part of a hobby, or for our jobs. One of the basic tools for the homeowner, the handyman, or a contractor is an electric drill. While hand-held power drills are some of the most used tools in the box, they are not necessarily the most accurate. When you need an exact hole drilled at a precise angle, or maybe a hundred of these holes, then the tool you want is a Drill Press.
"Pulsed MIG Welding Improves Quality and Saves Money | Lincoln Electric." Lincolnelectric. N.p., n.d. Web. 27 Apr. 2014.
Rapid generation of large area polished optical surfaces by high-power CO2 laser irradiation is shown. Results focus on glasses with high expansion coefficients (a>1025/°C) conventionally used in the optical industry. The technique involves active beam integration to obtain an intensity irradiation profile with a good uniformity over large spot sizes and is applied to preheated glass samples with initial rms roughness up to 500 nm. To find out the conditions for successful and reliable use of the proposed laser polishing method, the laser-driven heating process was monitored by means of the surface and depth temperature
1. The layer of resin or polymer is exposed to Ultra Violet flood light through a computerized programmable
As you can see lasers are a very useful and important tool which is why I have
The drilling machine/drill press has been utilized to create the holes. Drilling is basically used to produce holes with the application of tool drill named as drill bit. The drill bit is a cylindrical bar having helical flutes and radial cutting edges at one end. The drilling operation may be defined as the rotation of drill and feeding it into the work piece being drilled at a specified speed and feed as per the necessity varying to the size and depth of the hole. The process is simple and reasonably accurate and the drill is easily controlled both in cutting speed and feed rate the cutting speed depends purely on the gear settings in the machine in order to set the speed i.e. lower speed for larger size drills and higher speed for the smaller size drills. The drill is likely one of the important conventional machining techniques and is the most generally utilized to create holes into or through metal, wood, or different materials. These machines are in many shapes and sizes, from small hand-held power drills to bench mounted and finally floor-mounted models. It