2025-04-24
Precautions for laser cutting machine processing PCB boards
(Click 18 )Laser cutting technology is increasingly widely used in PCB board processing. Its high-precision and non-contact processing characteristics have brought revolutionary changes to the electronics manufacturing industry. In actual operation, it is crucial to master the correct processing method.
Before processing, the laser parameters must be adjusted according to the material characteristics of the PCB board. The cutting of FR-4 materials usually requires a laser power of 30W, and the cutting speed is controlled at about 20mm/s. For high-frequency plates, the power needs to be appropriately reduced to prevent carbonization of the material. The adjustment of the focal length directly affects the cutting quality. It is generally recommended to set the focus 0.1-0.2mm below the surface of the plate.
The selection of auxiliary gas during the processing cannot be ignored. When using compressed air as an auxiliary gas, the pressure should be maintained between 0.3-0.5MPa, which can effectively remove slag and prevent overheating of the plate. Nitrogen protection is suitable for occasions with high requirements for the cutting surface, but the cost is relatively high.
Safety protection measures must be strictly implemented. Operators need to wear special protective glasses, and the working area should be equipped with a fume exhaust system to promptly remove harmful gases generated during the processing. Regularly check the laser’s protective cover and interlocking device to ensure safe operation of the equipment.
The quality inspection link needs to focus on the quality of the cutting edge. The qualified cutting surface should be smooth and flat, without obvious carbonization marks. Use a magnifying glass to check the slit width to ensure that it meets the design requirements, generally controlled within the range of 0.1-0.15mm.
By strictly controlling the processing parameters and optimizing the process flow, laser cutting technology can provide high-quality solutions for PCB board processing. With the continuous advancement of technology, the application prospects of laser cutting in the field of electronic manufacturing will be broader. As a professional laser equipment manufacturer, MenLuck provides customers with high-quality equipment and complete system solutions, and has a professional technical team. Welcome companies with needs to contact us.
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