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A source-based overview of how nozzle diameter and focal length are described in relation to cut surface quality and cutting stability.
The source article identifies three factors in the illustrated relationship: nozzle diameter, focal length, and temperature. It defines cut quality by whether the cut surface is smooth or rough, and stability by whether repeated cuts remain straight and consistent.
The article describes nozzle diameter as inversely related to cut quality and directly related to stability. At the same focal length, it says increasing nozzle diameter lowers nozzle temperature; the cut surface may become rougher, while stability increases.
Conversely, the article says reducing nozzle diameter raises nozzle temperature and may produce a smoother cut, while reducing stability.
The source describes focal length as directly related to cut quality and inversely related to cutting stability. At the same nozzle diameter, it says increasing focal length raises nozzle temperature and cut quality, while stability decreases. It describes the reverse trend when focal length is reduced.
These are the relationships presented in the source article; confirm settings against the machine, material, gas, and cutting conditions in use.
Send PK LASER a photo or video of the cutting issue and the cutting-head model in use. The technical team can help review the setup.
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