Common Mistakes When Preparing DXF/DWG Files

The first and most critical step of the laser cutting process is a correctly prepared technical file. Faulty files can lead to production delays and additional costs.

Open Contours (Unclosed Drawings)

Every contour to be cut must be a closed shape. Lines left open cause the laser machine to misinterpret the cutting path.

Double Lines and Overlapping Geometries

Having more than one line on the same path causes the machine to try to cut the same area multiple times, leading to both time loss and quality issues.

Incorrect Scale Usage

Not preparing the drawing at true scale (1:1) causes the produced part to come out different from the intended size. Scale must always be checked before sending the file.

Text and Layer Confusion

Unnecessary text, dimension lines, or auxiliary layers mixing with the cutting layer on the drawing can cause the machine to interpret the wrong lines as the cutting path. The cutting layer must be clearly separated.

Fine Details Not Suited to Material Thickness

Depending on the thickness of the material to be cut, very fine details (for example, a very narrow slot on thick sheet) may not be technically cuttable or may compromise the part's integrity. Attention must be paid to thickness-detail compatibility.

Using the Correct Format and Version

Format incompatibilities can occur when transferring files between different CAD software. It is recommended to save the DXF or DWG file in a version compatible with the software used by the manufacturer.

Conclusion

A properly prepared technical file speeds up both the quoting process and prevents production errors. Reviewing these checkpoints before sending your file ensures the process proceeds smoothly.