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![Laser Sealing Welding Machine]()
Laser Sealing Welding MachineThe Laser Sealing Welding Machine is a high-end packaging tool that joins materials precisely via high-energy-density laser beams. Yep, its core principle is simple: use the laser’s focusing and thermal properties to form a tiny molten...view more
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The Laser Sealing Welding Machine is a fascinating intersection of technology and precision, offering a wide range of applications across numerous industries. These machines are designed to join metals and thermoplastics by using laser beams to create a strong and durable bond. The Laser Sealing Welding Machine of laser welding sealing machine are unparalleled, making them an essential tool in sectors such as automotive, aerospace, electronics, and jewelry manufacturing. With the rapid advancements in technology, Laser Sealing Welding Machine have become even more versatile, allowing for intricate designs and complex structures to be achieved with ease. The adoption of laser welding sealing machine in industrial applications is driven by their ability to deliver high-quality results, reduced production time, and minimized material waste.
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Item |
Specific Indicators |
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Laser Type |
Pulsed/Continuous Wave Dual-mode |
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Laser Power |
10-500W, Continuously Adjustable |
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Positioning Accuracy |
≤±5μm (Based on CCD Visual Positioning System) |
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Applicable Workpiece Size |
Minimum φ1mm, Maximum Applicable to 300mm×300mm Components |
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Welding Airtightness |
≤1×10⁻⁹ Pa·m³/s |
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Weld Joint Strength |
≥90% of Base Material Tensile Strength |
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Laser Head Type |
Optional Planar, Annular, Point-Focus Laser Heads |
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Applicable Materials |
Metals (Steel, Aluminum, Titanium Alloy, etc.), Ceramics, Glass and Heterogeneous Material Combinations |
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Temperature Control Method |
Infrared Temperature Measurement + Closed-Loop Intelligent Temperature Control |
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Data Function |
Supports Welding Process Image Traceability and Process Parameter Storage |
1.The energy density is high, the heat input is low, the amount of thermal deformation is small, and themelting zone and the heat-affected zone are narrow and deep.
2.High cooling rate, which can weld fine weld structure and good joint performance.
3.Compared with contact welding, laser welding eliminates the need for electrodes, reducing daily maintenance costs and greatly increasing work efficiency.
4.The weld seam is thin, the penetration depth is large, the taper is small, the precision is high, the appearance is smooth, flat and beautiful.
5.No consumables, small size, flexible processing, low operating and maintenance costs.
6.The laser is transmitted through fiber optics and can be used in conjunction with a pipeline or robot.
Advantages of Laser Sealing Welding Machine
Higher speed:
Laser welding can complete welds in a fraction of the time it takes for conventional welding, which improves productivity and efficiency.
Higher precision:
Laser welding can produce accurate and high-quality welds, especially for intricate and delicate work. Laser welding can also weld metals of different thicknesses and types, such as steel, aluminum, copper, titanium, and nickel alloys.
Lower distortion:
Laser welding generates less heat and has a smaller heat-affected zone, which reduces the deformation and warping of the metal. Laser welding also minimizes the need for post-weld finishing and cleaning, which saves time and cost.
Higher flexibility:
Laser welding can be performed in various positions and angles, and can access hard-to-reach areas. Laser welding can also use different modes, such as continuous wave, pulsed, or wobble, to adjust the weld width and depth.
Type of Laser Sealing Welding Machine
Diode lasers
Lower beam quality than fiber but very efficient and compact; often used in combinations or as preheat sources.
Disk (thin-disk) lasers
High beam quality and good power scaling; combines advantages of solid-state designs.
Gas lasers (CO2)
High power, wavelength ~10.6 µm (infrared), historically common for cutting; less common for welding today due to beam delivery limits for metals and lower coupling efficiency on some materials.
Pulsed lasers
Deliver energy in short, controlled bursts (microseconds to milliseconds).controlled heat input, minimal heat-affected zone (HAZ), ideal for micro-joins and dissimilar metals.
Applications of Laser Sealing Welding Machine
Automotive Manufacturing: In automotive body manufacturing, laser welding is widely used in the welding of body frames, doors, rooftops and other parts. It can enhance the structural strength of the vehicle body, reduce its weight, and improve the flatness and aesthetics of the body's appearance.
Electronics Manufacturing: From consumer electronics products (such as mobile phones, tablets, laptops) to industrial electronic equipment, laser welding machines are used for the connection of electronic components, such as the soldering of integrated circuit pins and circuit boards.
Aerospace: The aerospace field has extremely high requirements for material performance and welding quality. Laser welding machines are used in the manufacturing of aircraft fuselage structural components, engine parts (such as combustion chambers, turbine blades), etc.
Medical Devices: In the manufacturing of medical devices, laser welding machines are often used for the assembly and welding of precision medical devices, such as pacemakers, vascular stents, surgical instruments, etc. Its high precision and pollution-free welding characteristics can ensure the safety and reliability of medical devices, meeting the strict standards of the medical industry.
New Energy: In the field of new energy battery manufacturing, laser welding machines are used for the welding of battery tabs and battery modules. They can ensure good conductivity and sealing of the batteries, improve the energy density and charge-discharge performance of the batteries, and extend their service lives.
Components of Laser Sealing Welding Machine
Laser Source: The laser source generates the laser beam used for welding. Common types of laser sources include CO2 lasers, Nd lasers, and fiber lasers. The type of laser source used depends on the specific application and materials being welded.
Beam Delivery System: The beam delivery system directs the laser beam from the laser source to the material’s surface. This system often includes mirrors, lenses, and optical fibers to focus and guide the laser beam accurately.
Welding Head: The welding head is the part of the machine that focuses the laser beam onto the material. It may also include a nozzle that directs shielding gas over the weld area to protect it from contamination and oxidation.
Control System: The control system manages the laser welding machine’s operation, including laser power, beam focus, and movement. Advanced control systems allow for precise adjustments and automation, enhancing the accuracy and efficiency of the welding process.
Cooling System: Laser welding generates a significant amount of heat. A cooling system is essential to prevent overheating and damage to the laser source and other components. The cooling system circulates coolant to absorb and dissipate heat.
Working Principle of Laser Sealing Welding Machine
Laser Generation: The laser source generates a coherent, monochromatic light beam. This beam is highly concentrated and can be focused to a small point.
Beam Focus: The laser beam is focused onto the material’s surface using lenses and mirrors. The focused beam creates a high-intensity heat zone that melts the material at the weld point.
Welding Process: As the material melts, it forms a molten pool. The laser beam moves along the weld joint, creating a continuous weld. The molten material solidifies quickly, forming a strong bond.
Shielding Gas: Shielding gas, such as argon or nitrogen, is often used to protect the weld area from oxidation and contamination. The gas is directed over the weld zone, providing a clean environment for the welding process.
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