What is laser beam machining process?
Laser beam machining (LBM) is a form of machining that uses heat directed from a laser beam. This process uses thermal energy to remove material from metallic or nonmetallic surfaces.
What are the characteristics of laser beam machining?
Laser beam have two great characteristics, these are monochromatic and parallel so it can be directly focused to a micron size diameter and can produce high energy (like 100MW) for micro size area. It is best for making a precise micro size hole. Also, it can be used for other micro machining on all types of materials.
Which type of laser is used in laser beam machining?
Types of lasers used for laser beam machining: Gas lasers such as CO2 and excimer lasers, along with solid-state lasers such as Nd:YAG and YAG lasers and femtosecond lasers, are some of the most popular lasers.
What are the main parts of laser beam machining?
Laser Beam Machining Construction or Main Parts:
- #1 Power Supply: A high voltage is required for Laser.
- #2 Flash Lamps:
- #3 Capacitor:
- #4 Reflecting Mirror:
- #5 Lense:
- #6 Workpiece:
- Laser Beam Machining Advantage:
- Laser Beam Machining Disadvantage:
What is the advantage of laser beam machining?
The main advantages of laser beam machining are ease of automation for complex cutting patterns, absence of tool wear and breakage, ability to cut at shallow angles, and rapid cutting rates. As it is a noncontact process, energy transfer between the laser and the material occurs through irradiation.
What are the advantages of laser beam machining?
What are lasers used for?
Lasers are used in optical disc drives, laser printers, barcode scanners, DNA sequencing instruments, fiber-optic, semiconducting chip manufacturing (photolithography), and free-space optical communication, laser surgery and skin treatments, cutting and welding materials, military and law enforcement devices for …
How is machining time in laser beam machining?
Explanation: Time of machining in the laser beam machining process is directly proportional to laser beam spot diameter. Larger the diameter, larger will be the HAZ.
What are the types of laser?
Based on their gain medium, lasers are classified into five main types:
- Gas Lasers.
- Solid-State Lasers.
- Fiber Lasers.
- Liquid Lasers (Dye Lasers)
- Semiconductor Lasers (Laser Diodes)
What are the advantages and disadvantages of laser beam machining?
Advantages and Disadvantages:
- It can cut all material.
- No tooling cost because no physical tool is required.
- It produces finish part or high surface finish.
- No tool wear because no physical tool is used.
- Micro holes can be drilled accurately.
- Complex shape can be machined easily because laser can be move in any path.
What are the 5 types of lasers?
How does laser beam machining work?
Laser Beam Machining Used light energy from a laser to remove material by vaporization and ablation Energy is concentrated optically Laser emits either continuous or pulsed light beam 5 Source: Google Images 6. Effect of Laser Beam on Material 6 Source: Internet
What is laser beam welding?
Laser Beam welding. LBW is a versatile process, capable of welding carbon steels, HSLA steels, stainless steel, aluminum, – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com – id: 434088-MmFlO Toggle navigation Help
What are the applications of LBM in micro machining?
FUTURE USE OF LBM Perspectives of applications of micro-machining utilizing water jet-guided laser.- It is accurate, produce small cutting radius – temperature-controlled which no burns on work piece – without producing impurities 3D LDM machining such as turning and milling- controlling different/ many laser in different angles
What is the mechanism of material removal by laser?
The mechanism of material removal is primarily by melting and rapid vaporisation due to intense heating by the electrons and laser beam respectively. VERSATILITY Laser can be used in wide range of manufacturing applications