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Laser welding : a practical guide /
Enables the reader both to understand and to use, in a practical manner, laser welding. The author explains the principles of laser welding and provides examples of industrial applications, examines many aspects of laser welding and devotes a complete chapter to safety.
| Clasificación: | Libro Electrónico |
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| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Cambridge, England :
Abington Publishing,
1992.
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| Colección: | Woodhead Publishing series in welding and other joining technologies.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Front Cover; Laser Welding: A Practical Guide; Copyright Page; Table of Contents; Preface; Chapter 1. Light and lasers; Light; Lasers; Welding lasers; Nd:YAG lasers; CO2 lasers; Harnessing the laser beam for welding; References; Chapter 2. Principles of laser welding and its characteristics; Laser welding; Characteristics and considerations; Choosing laser welding; References; Chapter 3. Industrial applications; Electron guns for television tubes; Razor blades; Heart pacemakers; Opto-electronic transmitters; Food mixer whisks; Tappet housing; Gas hob distribution plates.
- Passenger car body partsSeam welded stainless steel tubes; Stainless steel heat exchangers; Saw blades; Solenoid operated hydraulic valves; Viscous couplings and differentials; Specialist fabrication; References; Chapter 4. Materials; Weldability and alloying elements; Effects of surface coatings and treatments on the weldability of steel; Possible weld defects and solutions; References; Chapter 5. Laser welding parameters and their effects; Focused spot size, depth of focus and focus position; Shielding gases. shielding devices and plasma suppression; Laser power and welding speed.
- Material preparation prior to weldingWelding performance troubleshooting checklist; References; Chapter 6. Welding sheet metal parts; Joint configurations; Laser beam spinning; Chapter 7. Welding plate, tube and pre-machined parts; Welding conditions; Joint configurations; Joint fit-up and laser beam joint alignment; Joint tacking; Closing the keyhole ofcircumferential welds; Welding partial penetration joints; References; Chapter 8. Single and multi-pass welding with filler materials; Filler materials; Welding with continuous wire feed; Welding with pre-placed filler materials; References.
- Chapter 9. Process performance control and monitoringMaterials; Welding conditions; Periodic post-weld examination; Equipment performance monitoring; In-process weld monitoring; References; Chapter 10. Work handling, laser beam manipulation and process automation; Workpiece manipulators; Laser beam manipulation; Process automation; Workpiece clamping and weld underbead spatter channels; Chapter 11. Optical equipment; Focusing optics; Which focusing optic
- reflective or transmissive?; Cleaning laser optics and in-process protection; Laser beam transmission systems; References.
- Chapter 12. Laser safetyLaser beam hazards; Electrical hazards; Chemical and fume hazards; Practical precautions; Further information on the safe use of lasers; Chapter 13. Installing and operating a laser
- some questions and answers; The laser; Laser beam transmission and focusing equipment; Gas shielding and equipment; Workhandling equipment; Material preparation; Laser safety; Site preparation; Achieving repeatable weld quality; Operator and maintenance engineer training; Planning from concept to production; Epilogue; Chapter 14. Glossary of common terminology; Index.