Laser Marking on MCB Using UV Laser
Material Details:
PA6 GF20 FR(30) - A polyamide material reinforced with 20% glass fibers and flame-retardant properties. It is widely used in electrical components such as miniature circuit breakers (MCBs) due to its excellent mechanical strength and thermal stability.
Requirement
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UV Laser Marking: The laser marking system must ensure precise and permanent marking on the MCB surface.
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Continuous Conveyor System: The indexing system operates at a speed with min time cycles of 1-2 seconds, necessitating synchronization between the laser marking machine and the indexer.
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Synchronization: The laser machine must dynamically adapt to the conveyor’s speed to ensure accurate and consistent marking on moving parts.
Challenges in Marking PA6 GF20 FR(30):
Material Properties:PA6 GF20 FR(30) has a glass-filled and flame-retardant composition, which can pose difficulties in achieving uniform laser marking due to its uneven thermal conductivity and surface characteristics.
High operating Speed: The indexing system operates at a speed with min time cycles of 1-2 seconds, making it challenging to mark both faces of the MCB swiftly and precisely.
Mark-on-Fly Process: Stability and synchronization of the laser system during continuous motion are critical to avoid distortions or misalignment in the marking process.
Trial Results:
Marking Intensity and Clarity: The UV laser demonstrated excellent performance, delivering clear and consistent markings on the MCB surface. The material’s flame-retardant and glass-filled composition did not compromise the marking quality.
Customized Conveyor Speed: The system was successfully customized to adapt to the specified conveyor speed, enabling fast and precise marking on both faces of the MCB.
Stability in Indexing automation: A specialized system was designed and implemented with the assistance of the automation department to ensure stability during the marking process. This enhancement has improved the reliability and accuracy of the laser marking operation.
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