Comparative Analysis of Pulse Frequencies for Laser Marking on Copper
In the realm of precision marking, the Laser marking machine stands as a versatile tool capable of inscribing various materials with high accuracy. When it comes to marking copper, a material known for its high reflectivity and thermal conductivity, the choice of pulse frequency plays a crucial role in the quality and depth of the marking. This article delves into the effects of 20 kHz and 200 kHz pulse frequencies on copper when using a Laser marking machine.
Copper, with its distinctive properties, poses a challenge for Laser marking machines due to its tendency to reflect laser light and dissipate heat rapidly. To achieve a clear and deep mark, the pulse frequency must be carefully selected to optimize the interaction between the laser and the copper surface.
At 20 kHz, the Laser marking machine emits pulses at a rate that allows for a more controlled energy delivery to the copper surface. This lower frequency results in a longer "on" time for each pulse, which can lead to a deeper and more pronounced mark. However, the lower frequency also means that the marking process will take longer to complete, as there are fewer pulses per second to etch the surface. This can be advantageous for achieving a high-contrast mark, especially when deep engraving is required.
On the other hand, a 200 kHz pulse frequency offers a higher pulse rate, which translates to a faster marking process. The shorter "on" time per pulse results in less heat being transferred to the copper in each interaction, reducing the risk of overheating and maintaining the integrity of the copper surface. This frequency is ideal for applications where speed is of the essence, and a less intrusive mark is acceptable. However, the higher frequency may not provide the same depth of marking as the 20 kHz setting, making it more suitable for shallow engravings or when the copper's surface finish is a priority.
The difference in pulse frequency significantly impacts the marking outcome on copper. A 20 kHz setting is more likely to produce a deeper, more visible mark, suitable for applications requiring high contrast and depth, such as barcodes or deep engravings. Conversely, a 200 kHz setting is better for high-speed marking, where a less invasive mark is acceptable, such as in the case of date stamps or shallow engravings.
In conclusion, the choice between 20 kHz and 200 kHz pulse frequencies for Laser marking machines on copper depends on the specific requirements of the marking task. Deep, high-contrast marks benefit from the lower frequency, while high-speed, less intrusive marking is better served by the higher frequency. Understanding these differences is key to optimizing the Laser marking process for copper and achieving the desired results.
.
.
Previous page: Hybrid Laser Marking: Peeling and Marking Copper with Precision Next page: Optimal Pulse Width for Laser Marking on Copper: Nanosecond, Picosecond, or Femtosecond?
Evaluating the Ice Point of a 1030 nm 35 W Picosecond Laser Marking Machine with 20% Ethylene Glycol
High-Speed Modulation Capabilities of RF-Excited CO₂ Laser Marking Machines
Achieving Invisible Cutting Paths on Gallium Nitride Wafers with Green Laser Marking Machines
Achieving Seamless 360° Marking on Rotary Fixtures with MOPA Laser Marking Machine
Differences Between MOPA Laser Marking Machines and Traditional Fiber Laser Marking Machines
Adapting F254 Field Lens on a Compact Laser Marking Machine with 150 mm Lift Column Travel
Can a Laser Marking Machine Create Superhydrophobic Microstructures on Copper?
The Difference in Marking Depth Between 20W and 50W Laser Marking Machines on Stainless Steel
Comparative Analysis of Pulse Frequencies for Laser Marking on Copper
Optimal Pulse Width for Laser Marking on Copper: Nanosecond, Picosecond, or Femtosecond?
The Role of Assist Gases in Laser Marking Copper with a Laser Marking Machine
Optimal Scanning Speed for Copper Marking with a Laser Marking Machine
Optimal Scanning Speed for Laser Marking on Copper: The Impact of 1000 mm/s
Addressing "Fuzziness" in Copper Laser Marking by Adjusting Focus
Understanding the Etching Depth of Blackened Copper by Laser Marking Machines
Understanding the Durability of Colored Markings on Copper Made by Laser Marking Machines
Minimizing Micro-Character Size in Copper Marking with Laser Marking Machines
Minimizing Edge Oxidation in Deep Engraving of Copper with Laser Marking Machines