Techniques to Prevent Cracking in Glass Laser Engraving
Updated Sep 10,2025
Updated Sep 10,2025

1. Common Issues

1.1 Explosive points appear at the contact area between the glass material and the baseplate.

1.2 Excessive laser power during glass processing causes explosive points inside the material.


2. Solutions

2.1 Avoid Contact Between Glass and Base Material

During processing, glass materials should be kept from direct contact with the baseplate. When the laser directly hits the contact area, heat accumulation occurs, which can cause explosive points or blackened marks on the glass. To prevent this, place wooden blocks of equal height under both sides of the glass to elevate it.

2.2 Reduce Power to Prevent Explosive Points

Explosive points generated during glass processing may be caused by excessive laser power. Appropriately reducing the power can effectively prevent explosive points from forming on the glass.

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