In the field of new energy vehicle parts processing, compared with traditional stamping and laser cutting processes, the precision etching process brings multiple core advantages to the production of speaker grilles and has become the preferred processing method for new energy vehicle OEMs and supporting suppliers. The etching process requires no mold opening, and the customization of grilles with different patterns and sizes can be completed only by modifying the design drawings. The development cycle is shortened from 15-30 days of the traditional process to 3-7 days, which perfectly adapts to the industry characteristics of fast model iteration and high customization demand of new energy vehicles, and greatly reduces the time and capital cost of new product development. At the same time, the etching processing has no mechanical stress, will not cause substrate deformation and warpage, and the processed grille has high flatness and can be directly assembled without subsequent shaping, solving the problems of reduced product precision and excessive assembly clearance caused by mechanical extrusion in the stamping process, and improving the assembly efficiency of parts.

In terms of precision and consistency, the etching process can achieve micron-level processing, with both hole precision and hole position deviation controlled within ±0.01mm. The uniform mesh structure results in sound transmittance consistency far exceeding that of traditional processes, which can accurately match the acoustic design standards of the intelligent cockpit of new energy vehicles and ensure the sound quality and effect of the audio system. In response to the lightweight trend of new energy vehicles, the etching process can process ultra-thin metal substrates of 0.1mm, which greatly reduces the product weight while ensuring the protective performance, meeting the demand of the whole vehicle for weight reduction and range improvement. It can also process lightweight materials such as aluminum alloy to further optimize the product weight. In addition, the etching process can realize the integrated processing of complex special-shaped patterns without subsequent splicing, resulting in a strong product integrity. At the same time, the burr-free surface and smooth edges avoid the heat-affected zone problem of the laser cutting process, improve the aesthetics and safety of the product, and are more in line with the high-quality requirements of automobile interior decoration.