Table of Contents

1. Introduction
2. Working Principle of Handheld Laser Engraving Machines
3. Key Components of Handheld Laser Engraving Machines
4. Langsheng Laser Company Solutions
5. Numerical Analysis and Parameters
6. Conclusion
7. References

Introduction

Handheld laser engraving machines are compact devices used to etch designs, text, or logos onto various materials such as metal, plastic, wood, and leather. These machines utilize laser technology to achieve precise and permanent engravings that are widely used in industries ranging from manufacturing to craft.

Working Principle of Handheld Laser Engraving Machines

The core working principle of a handheld laser engraving machine is based on the process of laser ablation. A high-intensity laser beam is emitted from the device, which is focused onto the material surface to remove material layers, ranging from micrometers to nanometers in thickness. This removal leads to precise engravings that are controlled by the laser's power, speed, and pulse frequency.

Key Components of Handheld Laser Engraving Machines

Handheld laser engravers typically consist of several critical components that ensure efficient operation:

• Laser Source: Most machines use a fiber or CO2 laser source, with powers ranging between 10 to 50 watts for handheld models.
• Focusing Lens: Directs and focuses the laser beam onto the material surface to ensure precision.
• Control System: Includes software that allows users to upload designs and adjusts the operational parameters such as laser power and speed.
• Cooling System: Maintains optimal laser operation temperatures, often utilizing air or water cooling methods.

Langsheng Laser Company Solutions

Langsheng Laser is a leading provider of laser technology solutions, offering state-of-the-art handheld laser engraving machines. Their products include:

• LS-20 Handheld Laser Engraver: Utilizing a 20-watt fiber laser, it offers high precision engraving with an adjustable pulse frequency up to 200 kHz.
• LS-30 Portable Laser Engraver: Features a 30-watt CO2 laser, ideal for organic materials and capable of engraving at speeds up to 700 mm/s.
• LS-50 Pro Model: Enhanced for industrial applications with a 50-watt fiber laser, providing deeper penetration on metal surfaces.

Numerical Analysis and Parameters

The efficiency of a laser engraving machine is determined by several numerical parameters:

• Laser Power: Affects the depth of the engraving; higher power enables deeper cuts.
• Engraving Speed: Measured in mm/s; faster speeds reduce engraving time but may decrease depth.
• Pulse Frequency: Measured in kHz; influences the smoothness and detail of the engraving.
• Spot Size: Determines the precision; smaller spot sizes yield finer details.

For instance, engraving a 1mm deep logo on stainless steel may require a 30-watt laser with a speed of 400 mm/s and a pulse frequency of 150 kHz.

Conclusion

Handheld laser engraving machines offer versatile and precise engraving capabilities for various materials. The advancements in laser technology, as epitomized by Langsheng Laser's solutions, continue to enhance the functionality and ease of use of these devices, meeting the needs of both industrial and personal users.

References

1. Langsheng Laser. (2023). Product Brochure. Retrieved from Langsheng Laser Official Website.
2. Smith, J. (2022). Principles of Laser Engraving. Journal of Manufacturing Processes, 35, 78-85.
3. Chen, L., & Zhang, Y. (2021). Advances in Laser Engraving Technology. Laser Technology Review, 18(3), 45-59.