SFX Laser offer 20W 30W 50W JPT Fiber Laser Engraver, some customer may have some questions when choosing among the different types.

For 20W 30W 50W JPT Fiber Laser they can all engrave or mark on metal materials as Aluminum, Stainless Steel, Brass, Copper,etc. Also some of nonmetal such as nylon, light button, ABS, PVC, PES, etc.

Same Point:

1. Repetition rate:1-600kHz. Pulse Duration: 200ns.

2.Output Power Adjustment Range: 10%-100%

3.Marking Speed: 7000mm/s (275.6in/s)

4. Minimum Line Width: 0.01mm(0.0004inch)

5.Minimum Character: 0.2mm (0.008inch)

Difference:

Engraving depth: 20w≤0.2mm(0.008inch), 30w≤0.4mm(0.016inch), 50w≤1mm(0.039inch)
 

So under same time, the bigger the power, the deep the engraving depth. If you want to do deep engraving, compared with 20w 30w, 50w is better.
Under same engraving depth, bigger power fiber laser will save more time.