2000W Fiber Handheld Laser Welding Machine

2000W Fiber Handheld Laser Welding Machine

Product Introduction

Handheld laser welding machine is a kind of welding equipment using laser technology with high power, high precision and high efficiency, which is suitable for welding, cutting and repairing of various metal materials and other applications, widely used in automotive, electronics, aerospace, manufacturing and other fields.

Handheld laser welding machine consists of optical path system, control system, power supply system, cooling system, etc. Its compact structure, easy operation, high welding quality and no direct contact are required, avoiding problems such as deformation and cracks that tend to occur in traditional welding methods.

Wleding Ways

Product Advantages

• With the advantages of good quality of laser beam and fine spot, laser welding machine allows precise positioning of welded joints and are used in group welding of micro and small workpieces for automated production.
• High flexibility, non-contact long-distance welding of difficult-to-adjust parts is possible, with optional fiber length.
• Flat and beautiful weld seam. It does not require further treatment or simple treatment after welding.
• Strength and toughness of the welded material at least equal to that of the parent material.
• High speed, large welding depth and low thermal deformation.

Laser welding principle

Photons bombard the metal surface to form a vapor, and the vaporized metal prevents the remaining energy from being reflected off the metal. If the welded metal has good thermal conductivity, a larger depth of dissolution is obtained. The reflection, transmission and absorption of laser light on the material surface are essentially the result of the interaction of the electromagnetic field of the light wave with the material. When the laser light wave is incident on the material, the charged particles in the material vibrate according to the pace of the light wave electric vector, so that the radiation energy of the photon becomes the kinetic energy of the electron. After the absorption of laser light, the first thing produced is the excess energy of certain masses, such as the kinetic energy of free electrons, the excitation energy of bound electrons or excess phonons, the original excitation energy after a certain process and then converted into thermal energy.

The absorption of laser by metal is mainly related to the laser wavelength, the nature of the material, temperature, surface condition and laser power density. In general, the absorption of laser light by metals increases with the temperature and increases with the resistivity.

Factors that affect the weld ability of metals are material chemistry and mechanical properties, surface conditions, and process parameters. Surface conditions with high reflectivity are not conducive to good laser welding quality. The ability of the laser to vaporize or melt holes in opaque materials and the freedom of the laser to pass through the transparent material without damaging it is a feature that enables the laser to weld metals that have been pre-placed inside the electron tube.

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