Fiber laser cutting machine: a precision tool to reshape the manufacturing world with a "light knife"

What is a fiber laser cutting machine?

Fiber laser cutting machine is a device that uses the high energy laser beam generated by fiber laser to focus into a "light knife" with a diameter of only tens of microns through an optical system to accurately cut various materials. Its core principle is:

1. Laser generation: the rare earth doped optical fiber (such as ytterbium doped optical fiber) in the fiber laser is stimulated by the pump light and produces high brightness laser through stimulated radiation.
2. Beam transmission: The laser is transmitted to the cutting head through flexible optical fiber, avoiding the limitation of traditional rigid optical path and can flexibly adapt to complex motion trajectory.
3. Focusing cutting: The lens focuses the laser beam into a very small spot, and the energy density is instantly increased to 10⁶-10¹² W/cm², so that the material is rapidly melted, vaporized or plasmaized locally, and the slag is removed by auxiliary gas (such as oxygen, nitrogen) to complete the cutting.

The "secret weapon" of fiber laser cutting machine

1. Fiber laser source: energy core
Low power (<1kW): suitable for precision electronics, craft cutting
Medium and high power (1-20kW): industrial main model, used for automotive parts, sheet metal processing, aerospace structural cutting.
Ultra-high power (>20kW): Challenges thick plate cutting, faster than traditional CO₂ laser by more than 30%.

2. Cutting head: the "eye" of precision control
Automatic focus: the sensor monitors the surface height of the material in real time and dynamically adjusts the focal length to ensure consiStent Cutting quality of different thickness materials.
Coaxial blowing: auxiliary gas is sprayed synchronously during cutting. The effects include:
Blow off slag: make the cut smoother;
Auxiliary combustion: improve cutting efficiency;
Protect lens: prevent splashing from contaminating optical components.

3. The sports system: the "hands and feet" of accurate positioning
Portal structure: suitable for large panel cutting, strong stability.
Overhead structure: high flexibility, suitable for pipe and profile cutting

"Eighteen applications" of fiber laser cutting machine

Automotive Industry: Cutting body frames, door hinges, exhaust pipes, etc., with precision up to ±0.05mm, aiding in the lightweighting of new energy vehicles ).
 Aerospace: Cutting titanium alloy landing gear, carbon fiber composite wing components, with minimal heat-affected zones (<0.1mm), avoiding material performance degradation caused by traditional processing methods.
Sheet metal processing: fast processing of complex graphics , replace the traditional stamping mold, shorten the sample cycle by more than 80%.

The fiber laser cutting machine uses an invisible "light knife" to redefine the precision and speed of manufacturing. From automotive to aerospace, it makes "what you think is what you get" possible.