How-to: White engraving
From: 本站 Date: 12th August 2021 Author: shengangtong Views: 2249
How-to: White engraving
White engraving or inversion engraving.
Objectives
To obtain white engraving, you must remove thin dark layer of the coating from product and prevent charring of wood.
To achieve this effect, high speed and low laser power are needed.
Preparing wooden blank
Apply dark stain to wooden blank (plywood, veneer…) then varnish.
You can use paint instead of stain.
Laser machine parameters*
*Suitable for 40 watt laser machine
• Speed: 300-400 mm / sec
• Maximum power: 12-13%
• Interval: 0.05-0.1 mm
You may to play with parameters of your laser machine.
Post processing
After fast and low-power engraving almost no soot on product.
Soot from the cutted edges of the product can be easily removed with damp sponge soaked in water.
Apply varnish to product after drying.
Conclusion
Effect of white (inversion) engraving is stunning.
In this way we are make many projects.
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