Glossary · Accessories

Laser

Honeycomb bed

A support made of thin metal in a honeycomb shape on which the material is placed. After the cut, the beam can pass downwards instead of scorching the underside.

Explained in more detail

The honeycomb bed consists of an aluminium or steel grid with hexagonal cells, often about 5 to 10 mm across and 20 to 25 mm high. Because the workpiece rests only on the thin edges, smoke can be drawn downwards and the beam passing through is scattered instead of reflected back. This reduces burn marks and back reflections on the underside. When focusing, the height of the honeycomb bed must be taken into account. For metal materials on a steel honeycomb, workpieces can be fixed with magnets.

Where does the term come from?

Named after the shape of a honeycomb. In English it is called a honeycomb bed.

In practice

• With many cuts, raise it slightly: if the cut lies exactly on a honeycomb edge, light or dark marks appear there.
• Resin and soot build up in the honeycomb over time. Clean the bed regularly, otherwise it can catch fire.
• Small cut-out parts fall through the honeycomb. A bed with pins or blades (knife bed) suits this better.
• With steel honeycombs, magnets hold thin, warped sheets flat; with aluminium honeycombs you need clamps or pins.

Not to be confused

The honeycomb bed belongs to the laser and is not the same as the print plate of a 3D printer. It also does not replace a fireproof base under an open device.

Frequently asked questions

Do you need a honeycomb bed for lasering?

Not necessarily for engraving. For cutting it is highly recommended, because otherwise the underside and the base burn.

Why does my wood have burn marks on the underside?

Usually the beam reflects back from the surface underneath or smoke builds up below. A honeycomb bed, more air assist and extraction from below help.