30W jpt Laser Settings for Granite

1 verified settings · manufacturer data · fiber mopa laser · Updated January 2026

Quick Answer — Best Engrave Setting30W

500

Speed (mm/s)

30%

Power

Passes

Source: LaserTips.org

Operation	Speed (mm/s)	Power (%)	Passes	Air Assist	Notes
engrave	500	30%	1	—	Original: STONE / GRANITE \| Also works on other stone types

About Granite Settings for the 30W jpt

The 30W jpt cuts Granite cleanly at 500 mm/s with 30% power. Always test on a scrap piece first — every machine is slightly different, and variables like tube age, lens condition, and material batch can shift results.

For Granite, the key variables to dial in are speed and power. If the laser isn't cutting through cleanly, slow down or add a pass before pushing power higher — excessive power causes charring and wider kerfs. Air assist is highly recommended for wood and organic materials to clear smoke and protect the lens.

Once you find settings that work, save them in Laser Lab to build your personal settings library. The AI predictor uses your calibrated results to suggest starting points for new materials automatically — so the more you log, the smarter it gets.

Frequently Asked Questions

What speed and power for Granite on the 30W jpt?↓

For cutting Granite on the 30W jpt, start at 500 mm/s speed and 30% power. These are manufacturer-verified starting points — always test on scrap first.

Do I need air assist for Granite on the 30W jpt?↓

Air assist is strongly recommended when cutting Granite. It clears smoke from the cut path, reduces charring, and helps protect your laser lens.

How many passes to cut through Granite on the 30W jpt?↓

The manufacturer recommends 1 pass to cut through Granite at 500 mm/s and 30% power. If the cut isn't clean, try reducing speed slightly before adding more passes.

Why isn't my 30W jpt cutting through Granite?↓

Incomplete cuts are usually caused by incorrect power, speed, or focus distance. If edges are charred, try increasing speed or reducing power. If the laser isn't cutting through, reduce speed or increase power — or add an extra pass. Also verify your focal distance is correct for the material thickness and that your lens is clean.