SL-MP 20W / 30W
Speedy Laser
8456110090
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JPT MOPA laser 20W 30W laser marking machine stainless steel color marking
The JPT MOPA 20W and 30W laser marking machines are engineered to deliver precision and versatility for demanding industrial applications. Unlike standard Q-switched fiber lasers, the MOPA (Master Oscillator Power Amplifier) technology allows for highly adjustable pulse widths and frequencies. This flexibility provides operators with precise control over thermal energy, significantly reducing the heat-affected zone. It is an ideal solution for manufacturing facilities and processing centers that require highly accurate surface treatments, ensuring consistent output without compromising the integrity of sensitive materials.
Investing in a MOPA laser system helps production managers reduce material waste and improve overall processing efficiency. The integrated air-cooling mechanism ensures stable continuous operation, minimizing maintenance downtime. Whether upgrading an existing production line or establishing a new marking station, this machine provides the reliability and precision required for consistent, industrial-grade output.
Understanding how these features translate to practical value is crucial for equipment selection. The adjustable pulse width (2-350 ns) and wide frequency range (1KHz-4000KHz) allow the machine to adapt to various materials that standard lasers may struggle with.
Metal Surface Processing & Coating Peeling: Designed to efficiently remove surface coatings, paint, or plating from various metal substrates. The controlled energy output ensures that the underlying material remains intact, making it suitable for rework, surface preparation, and precise layer removal.
Aluminum Oxide Black Marking: Capable of producing clear, dark marks on anodized aluminum surfaces. This process is widely utilized in the production of consumer electronics, device housings, and industrial components where permanent, high-contrast identification is required without damaging the protective anodized layer.
Colorful Marking on Stainless Steel: By precisely tuning the pulse parameters, the MOPA laser can generate a spectrum of colors on stainless steel surfaces. This capability adds significant value for product branding, decorative applications, and specialized medical instruments, offering a permanent and visually distinct finish.
Semiconductor & Electronics Industry Applications: The fine beam quality and minimal thermal impact make this machine highly suitable for processing delicate electronic components, microchips, and printed circuit boards (PCBs). It ensures legible micro-marking and traceability codes without inducing thermal stress on fragile parts.
| Item Name | Technical Parameters | |
| Model | SL-MP 20W | SL-MP 30W |
| Laser Power | 20W | 30W |
| Laser wavelength | 1064nm | |
| Laser type | JPT MOPA laser source | |
| Max pulse energy | 0.5 mJ | |
| Repeat frequency | 1KHz-4000KHz | |
| Pulse width | 2-350 ns | |
| Marking depth | 0.1-0.2mm | |
| Marking area | 175*175mm | |
| Rated power consumption | 500W | 600W |
| Operating voltage | 110V- 240V/50-60 Hz/15A | |
| Cooling | Air Cooling | |
| Packing size | 850*400*800 mm (L*W*H) | |
| Gross weight | 60 KG | |
| Package | Standard export wooden case | |
JPT Mopa 20W 30W 60W laser marking machine from Manjing Speedy Laser Technology CO.,Ltd

The JPT MOPA 20W and 30W laser marking machines feature a highly integrated and robust industrial design, engineered to withstand rigorous daily operations in professional manufacturing environments. The exterior construction focuses on durability, space efficiency, and ergonomic accessibility, ensuring that operators can easily interact with the equipment while maintaining a clean and organized workspace.
The 30W configuration presents a solid, well-ventilated chassis designed to securely house the advanced MOPA laser source. Its rigid structural design minimizes environmental interference, providing a highly stable physical foundation for continuous industrial operations.
Designed with a compact footprint, the 20W model offers excellent spatial efficiency without compromising on build quality. The streamlined hardware layout allows for straightforward setup and routine maintenance, making it highly adaptable to various production floor layouts.
This detailed view highlights the premium finishing and meticulous assembly of the MOPA fiber laser system. The robust casing and clearly organized interface layout reflect a commitment to industrial-grade reliability, ensuring long-term operational stability and safe handling.



The MOPA fiber laser marking machine is specifically engineered for high-precision surface processing, mainly excelling in aluminum oxide black marking and stainless steel colorful marking. Unlike traditional Q-switched lasers, the MOPA (Master Oscillator Power Amplifier) technology offers adjustable pulse widths and frequencies. This flexibility allows operators to achieve highly refined, permanent, and visually striking marking results without damaging the underlying material structure, making it an ideal choice for industries requiring strict aesthetic and functional standards.
When applied to stainless steel, the 20W and 30W MOPA lasers can generate various vibrant colors by precisely controlling the heat input on the metal surface. This thermal process creates a thin, controlled oxide layer that reflects light differently, resulting in rich, fade-resistant colors. This capability is widely utilized for customized metal products, jewelry, medical instruments, and consumer electronics where visual differentiation, branding, and precise product tracking are essential for purchasing decisions.
For anodized aluminum, the machine delivers exceptional black marking capabilities. By fine-tuning the pulse duration, the laser effectively alters the anodic layer to produce a deep, high-contrast black mark without destroying the surface's protective properties. This technique ensures a smooth tactile finish and is highly favored in the manufacturing of smartphone casings, tablets, keyboards, and other electronic enclosures that demand a sleek appearance and long-term durability.
The marking samples below demonstrate the machine's capability to deliver crisp edges, intricate details, and consistent color reproduction across different metallic substrates, helping buyers reduce processing risks and improve overall production quality.

