The Laser Welding Technology Used to Produce Glasses Frames

The laser welding machine uses the pulse laser with the wavelength of 1064 run generated by the laser to radiate the surface of the workpiece after beam expansion, reflection and focusing. The surface heat is diffused internally through the heat conduction. The width, energy, peak power, repetition frequency and other parameters of the laser pulse are precisely controlled digitally to melt the workpiece and form a specific molten pool, so as to realize laser welding of the workpiece, Complete precision welding that traditional processes cannot achieve.

(1) Scope of application: At present, high-grade spectacle frames have gradually adopted the laser welding process, and the main Applied Materials is stainless steel. Materials with high melting points such as TITANIUM. Through the interaction between laser and the welded object, a highly concentrated heat source area is formed at the welded area in a very short period of time. The heat energy melts and cools the welded object area, forming a solid solder joint and weld seam.

(2) Advantages of laser welding

① Laser welding can realize spot welding, butt welding, overlap welding, seal welding, etc. for thin-walled materials and precision parts.

② High laser power, high aspect ratio of weld seam, small heat affected area, small deformation, and fast welding speed.

③ The welding seam is of high quality, flat and beautiful, without pores, and the toughness of the welded material is at least equivalent to that of the parent material.

④ Humanized design, LCD display, and centralized button operation are simpler.

⑤ The four-dimensional ball screw workbench adopts an imported control system, with an optional rotating workbench. It can achieve automatic welding such as spot welding, linear welding, and circumferential welding, with a wide range of applications, high accuracy, and fast speed.

(3) Precautions for laser welding machine: laser, like ordinary light, has biological effects (such as thermal effect, optical effect, pressure effect and electromagnetic field effect). While this biological effect brings benefits to human beings, it will also cause direct or indirect damage to human tissues such as eyes, skin and nervous system if there is no protection or poor protection. In order to ensure the safety and protection during laser welding, laser hazards must be strictly controlled, and engineering control, personal protection and safety management must be done well.

① Engineering control: refers to the safety measures taken on the structure of a laser or laser processing system, mainly including: protective covers - used to prevent workers from receiving more than the maximum allowable exposure; Safety interlock - refers to an automatic device connected to a protective cover that can prevent radiation when the protective cover is removed; Safe optical path - sealing off optical paths that may cause combustion or secondary radiation due to radiation; Key switch - refers to the laser turning when the key is removed; Beam termination - In order to ensure that the laser beam does not exceed the controlled processing area, a beam terminator or attenuator can be used.

② Personal protection: mainly refers to wearing fire-resistant and heat-resistant laser protective clothing, laser protective glasses that can selectively attenuate specific laser wavelengths, laser protective masks that can protect ultraviolet laser sources, and laser protective gloves that can avoid damage caused by direct or scattered laser.

③ Safety management: mainly includes setting up specialized agencies or personnel, clarifying responsibilities and rights (including safety training and medical supervision, etc.).

If you want to know more information about our company and products, please visit our website at https://www.belieyeglasses.com. We will offer the best price and the best quality for you.