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About Laser Welding Services
Laser welding services use high-powered laser welding equipment to fuse materials together. Laser beams provide a very narrow, concentrated energy source that melts a narrow region, resulting in a minimal heat-affected zone. Laser welds can be made without filler metals or consumable electrodes. Most laser welding equipment includes laser optics, workpiece sensors, pointing diodes or beam injectors, enclosures, XY or gantry tables, rotary tables, shuttle pallets and other part handlers or manipulators. Some laser welding services have equipment that provides versatility beyond two dimensional (2D) devices such as XY or gantry tables. For example, 3D laser welding is often available. Many laser welding systems include a CNC controller that runs automatically, or with little or no operator intervention. These machines change travel position, speed, laser power, air or gas flow, beam delivery factors and other parameters in a pre-programmed manner. Often, laser welding services control or program these machines with a personal computer (PC) interface.
Laser welding services are located across the United States and around the world. Most use machines with carbon dioxide (CO2) lasers; neodymium-doped, yttrium aluminum garnet (Nd:YAG) lasers; or diode lasers. Pulsed or Q-switched lasers are also available. Suppliers differ in terms of services offered and process a variety of materials, many of which are made of aluminum, copper, or steel. Stainless steel is a family of corrosion-resistant steels that contain a minimum of 10% chromium. Structural steels are large, part-strength materials used to build components. Tool steel is a group of high-carbon steels that provides varying combinations of high hardness, toughness, or resistance at elevated temperatures. Some laser welding services specialize in exotic metals or alloys with special properties and applications. Others weld plastic or thermoplastic materials. Finished products include semiconductor wafers, electronic materials, and medical devices.
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