When selecting a MOPA fiber laser (our MP/IP series), the most common question is whether 60W is sufficient or if one should invest in 100W. Power selection affects not only the initial cost but also production efficiency, processing depth, and the range of materials you can handle.
I. Core Performance: More Than Just "Extra Strength"
In MOPA technology, increased power brings qualitative improvements beyond mere force:
- Processing Speed: 100W lasers have higher energy density. For deep metal engraving or mass production, the 100W model is typically 40%–70% faster than the 60W model.
- Deep Processing & 2.5D/3D Engraving: While 60W can perform deep engraving, it requires more passes, which can lead to heat accumulation and uneven bottoms. 100W is the "golden power" for 2.5D reliefs, coin molds, and jewelry engraving, offering sharper edges, smoother bottoms, and a smaller Heat Affected Zone (HAZ).
- Cutting Ability: 100W is a watershed for occasionally cutting thin brass or aluminum plates (0.5mm – 1.2mm). It achieves precision cuts easily, whereas 60W struggles and often leaves burrs on thicker materials.
II.Deep Technical Comparison
| Feature | 60W MOPA (MP/IP) | 100W MOPA (MP/IP) |
| Single Pulse Energy | Approx. 0.8 - 1.5 mJ | Approx. 1.5 - 2.0 mJ |
| Color Marking | Excellent (suitable for fine colors) | Excellent (more efficient, more saturated) |
| Aluminum Blackening | Very delicate | Extremely efficient; significant advantage for large areas |
| Max Engraving Depth | Approx. 0.5 - 0.8 mm (recommended) | 1.0 - 1.5 mm and above |
| Ideal Field Lens | Recommended 110x110mm | Supports larger lenses (e.g., 175x175mm or higher) |
III. Why 100W is Often More Future-Proof
- Large Format Marking: With larger lenses (e.g., 175x175mm), the laser beam is stretched and energy weakens. 100W provides the power reserve needed to ensure consistent marking effects across the entire frame.
- Extending Equipment Life: Running a 60W machine at 100% power for deep engraving can accelerate the aging of optical components. A 100W machine can achieve the same results at 60%–70% output, keeping the device in its "comfort zone".
- Smart Plugin Compatibility: 100W's rapid response speed perfectly matches the capture speed of built-in camera vision systems or conveyor belt operations.
IV.Selection Decision: Which Category Do You Belong To?
Reasons to Choose 60W:
- You have a limited budget and focus primarily on surface marking (stainless steel color marking, aluminum blackening).
- You process small parts (e.g., rings, watch dials) with depth requirements under 0.3mm.
- Production volume is moderate.
Reasons to Choose 100W:
- Efficiency Priority: You need to shorten processing time per workpiece.
- Process Depth: You need to create 2.5D reliefs, fine molds, or cut thin metal.
- Versatility: You want to ensure compatibility with future diverse orders.
- Large Area Marking: You need uniform results across 175x175mm or larger areas.
V. Professional Advice
More professional users globally are leaning toward 100W MOPA systems due to the obvious quality improvements and time savings. We offer split-type or fully enclosed structures. For 100W deep engraving, we strongly recommend our air filter to maintain studio air quality.
Conclusion: If you are still undecided, you are welcome to send us your sample materials! Our engineers will provide samples using both 60W and 100W to help you make an objective decision based on actual results and efficiency reports.
